On this page, we present all of the funds holding NOG from our database of 13F filers, detailed in the table below. The first column indicates the name of each of the funds holding NOG, with a link to that fund's top holdings. The next columns indicate the amount of NOG stock held by each of the funds holding NOG, followed by the NOG position size held by the fund, and lastly the date of the quarterly filing period the data represents. In total, we count 337 funds holding NOG within the last two filing periods in our coverage universe of 13F filers, with the largest position size having been reported by BlackRock Inc.. For more details on the positions held by BlackRock Inc. (or by any of the other funds holding NOG), click the fund name in the "Holder" column of the funds-holding-NOG table below.

Holder	Amount	Position Size ($ in 1000's)	As of
BlackRock Inc.		$512,615	12/31/2023
NOG	13,713,823	$508,371	12/31/2023
NOTE 3	3,600,000	$4,244	12/31/2023
FMR LLC		$400,660	12/31/2023
NOG	9,753,290	$361,554	12/31/2023
NOTE 3	33,169,000	$39,106	12/31/2023
Vanguard Group Inc.	10,587,536	$392,480	12/31/2023
NOG	10,587,536	$392,480	12/31/2023
State Street Corp		$213,691	12/31/2023
NOG	5,370,230	$201,231	12/31/2023
NOTE 3	10,500,000	$12,460	12/31/2023
Invesco Ltd.		$183,665	12/31/2023
NOG	3,903,192	$144,691	12/31/2023
NOTE 3	33,057,000	$38,974	12/31/2023
American Century Companies Inc.	3,837,280	$142,248	12/31/2023
NOG	3,837,280	$142,248	12/31/2023
Copeland Capital Management LLC	2,217,989	$88,010	03/31/2024
NOG	2,217,989	$88,010	03/31/2024
Westwood Holdings Group Inc.		$87,562	12/31/2023
NOG	2,133,847	$79,102	12/31/2023
NOTE 3	7,115,000	$8,460	12/31/2023
Adage Capital Partners GP L.L.C.	2,112,361	$78,305	12/31/2023
NOG	2,112,361	$78,305	12/31/2023
Geode Capital Management LLC	1,880,013	$69,701	12/31/2023
NOG	1,880,013	$69,701	12/31/2023
Loomis Sayles & Co. L P		$63,649	12/31/2023
NOG	915,234	$33,928	12/31/2023
CV BND	801,761	$29,721	12/31/2023
Westfield Capital Management Co. LP	1,537,719	$57,003	12/31/2023
NOG	1,537,719	$57,003	12/31/2023
Allspring Global Investments Holdings LLC	1,432,704	$56,850	03/31/2024
NOG	1,432,704	$56,850	03/31/2024
Bank of New York Mellon Corp		$54,676	12/31/2023
NOG	1,452,623	$53,849	12/31/2023
NOTE	700,000	$827	12/31/2023
Nuveen Asset Management LLC	1,408,315	$52,423	12/31/2023
NOG	1,408,315	$52,423	12/31/2023
Principal Financial Group Inc.	1,406,354	$52,134	12/31/2023
NOG	1,406,354	$52,134	12/31/2023
Dimensional Fund Advisors LP	1,375,710	$51,001	12/31/2023
NOG	1,375,710	$51,001	12/31/2023
Morgan Stanley		$46,946	12/31/2023
NOG	1,213,872	$44,998	12/31/2023
NOTE 3	1,670,000	$1,948	12/31/2023
Ameriprise Financial Inc.		$43,240	12/31/2023
NOG	880,246	$32,632	12/31/2023
CONV BND	9,000,000	$10,608	12/31/2023
Alliancebernstein L.P.	1,139,768	$42,251	12/31/2023
NOG	1,139,768	$42,251	12/31/2023
Palisade Capital Management LLC NJ		$41,971	12/31/2023
NOG	1,074,887	$39,846	12/31/2023
NOTE 3	1,800,000	$2,125	12/31/2023
Goldman Sachs Group Inc.		$41,684	12/31/2023
NOG	1,067,211	$39,562	12/31/2023
CNV	1,800,000	$2,122	12/31/2023
Northern Trust Corp	1,104,441	$40,942	12/31/2023
NOG	1,104,441	$40,942	12/31/2023
Requisite Capital Management LLC		$33,455	03/31/2024
NOG	814,943	$32,663	03/31/2024
Call	360,000	$792	03/31/2024
Royal Bank of Canada		$30,732	12/31/2023
NOG	396,012	$14,679	12/31/2023
NOTE 3	10,786,000	$12,717	12/31/2023
Call	90,000	$3,336	12/31/2023
Millennium Management LLC		$28,957	12/31/2023
NOG	882,438	$32,712	12/31/2023
Put	101,300	$3,755	12/31/2023
Hood River Capital Management LLC	778,738	$28,868	12/31/2023
NOG	778,738	$28,868	12/31/2023
Victory Capital Management Inc.	757,659	$28,086	12/31/2023
NOG	757,659	$28,086	12/31/2023
Susquehanna International Group LLP		$28,012	12/31/2023
NOTE 3	11,891,000	$14,047	12/31/2023
Call	326,800	$12,114	12/31/2023
NOG	180,049	$6,674	12/31/2023
Put	130,100	$4,823	12/31/2023
Bank of America Corp DE	744,906	$27,614	12/31/2023
NOG	744,906	$27,614	12/31/2023
Citadel Advisors LLC		$27,435	12/31/2023
Call	367,900	$13,638	12/31/2023
NOTE 3	10,900,000	$12,881	12/31/2023
NOG	166,004	$6,154	12/31/2023
Put	141,300	$5,238	12/31/2023
Silvercrest Asset Management Group LLC	736,854	$27,315	12/31/2023
NOG	736,854	$27,315	12/31/2023
Charles Schwab Investment Management Inc.	734,485	$27,227	12/31/2023
NOG	734,485	$27,227	12/31/2023
SIR Capital Management L.P.	691,323	$25,627	12/31/2023
NOG	691,323	$25,627	12/31/2023
New York State Common Retirement Fund	660,120	$24,471	12/31/2023
NOG	660,120	$24,471	12/31/2023
JPMorgan Chase & Co.		$24,170	12/31/2023
NOG	645,647	$23,934	12/31/2023
BOND	200,000	$236	12/31/2023
Wells Fargo & Company MN		$23,673	12/31/2023
NOG	590,366	$21,885	12/31/2023
NOTE 3	1,514,000	$1,788	12/31/2023
Putnam Investments LLC		$22,097	12/31/2023
NOG	448,273	$16,617	12/31/2023
CONV	4,648,000	$5,480	12/31/2023
Sei Investments Co.		$21,913	12/31/2023
NOG	587,502	$21,779	12/31/2023
NOTE 3	114,000	$134	12/31/2023
Tributary Capital Management LLC	547,595	$21,729	03/31/2024
NOG	547,595	$21,729	03/31/2024
Steward Partners Investment Advisory LLC	549,564	$20,372	12/31/2023
NOG	549,564	$20,372	12/31/2023
Nomura Holdings Inc.		$18,698	12/31/2023
NOG	375,725	$13,928	12/31/2023
NOTE 3	128,679	$4,770	12/31/2023
Voya Investment Management LLC	497,440	$18,440	12/31/2023
NOG	497,440	$18,440	12/31/2023
Two Sigma Investments LP		$18,020	12/31/2023
NOTE 3	27,930,000	$32,929	12/31/2023
Put	487,700	$18,079	12/31/2023
NOG	85,522	$3,170	12/31/2023
Jane Street Group LLC		$17,816	12/31/2023
Call	237,800	$8,815	12/31/2023
NOG	161,782	$5,997	12/31/2023
NOTE 3	4,904,000	$5,784	12/31/2023
Put	75,000	$2,780	12/31/2023
Emerald Advisers LLC	476,248	$17,655	12/31/2023
NOG	476,248	$17,655	12/31/2023
Aventail Capital Group LP	462,772	$17,155	12/31/2023
NOG	462,772	$17,155	12/31/2023
Wellington Management Group LLP	461,090	$17,093	12/31/2023
NOG	461,090	$17,093	12/31/2023
Ninepoint Partners LP	450,000	$16,682	12/31/2023
NOG	450,000	$16,682	12/31/2023
Penn Capital Management Co. Inc.	439,202	$16,330	12/31/2023
NOG	439,202	$16,330	12/31/2023
Thrivent Financial for Lutherans		$16,108	12/31/2023
NOTE 3	11,100,000	$13,087	12/31/2023
NOG	81,500	$3,021	12/31/2023
Raymond James & Associates	395,622	$15,698	03/31/2024
NOG	395,622	$15,698	03/31/2024
CNH Partners LLC		$15,613	12/31/2023
NOTE 3	13,187,000	$15,613	12/31/2023
Mutual of America Capital Management LLC	403,420	$14,955	12/31/2023
NOG	403,420	$14,955	12/31/2023
Bank of Montreal Can		$14,414	12/31/2023
NOTE 3	11,916,000	$14,070	12/31/2023
NOG	9,029	$344	12/31/2023
Envestnet Asset Management Inc.	384,142	$14,240	12/31/2023
NOG	384,142	$14,240	12/31/2023
Emerald Mutual Fund Advisers Trust	381,386	$14,138	12/31/2023
NOG	381,386	$14,138	12/31/2023
Citigroup Inc.		$13,881	12/31/2023
NOG	374,257	$13,874	12/31/2023
NOTE 3	6,000	$7	12/31/2023
12th Street Asset Management Company LLC	358,152	$13,277	12/31/2023
NOG	358,152	$13,277	12/31/2023
Barclays PLC		$13,259	12/31/2023
NOG	315,874	$11,708	12/31/2023
Call	32,900	$1,220	12/31/2023
BOND	280,000	$331	12/31/2023
First Trust Advisors LP	352,774	$13,077	12/31/2023
NOG	352,774	$13,077	12/31/2023
Royce & Associates LP	341,569	$12,662	12/31/2023
NOG	341,569	$12,662	12/31/2023
Aristotle Capital Boston LLC	339,979	$12,603	12/31/2023
NOG	339,979	$12,603	12/31/2023
Ghisallo Capital Management LLC	325,000	$12,048	12/31/2023
NOG	325,000	$12,048	12/31/2023
Alyeska Investment Group L.P.	306,308	$11,355	12/31/2023
NOG	306,308	$11,355	12/31/2023
Sculptor Capital LP		$11,223	12/31/2023
NOTE 3	9,500,000	$11,223	12/31/2023
Jefferies Financial Group Inc.		$11,159	12/31/2023
NOG	157,600	$5,842	12/31/2023
NOTE 3	4,489,000	$5,317	12/31/2023
Linden Advisors LP		$11,036	12/31/2023
SDBCV	9,335,000	$11,036	12/31/2023
Hotchkis & Wiley Capital Management LLC	295,660	$10,960	12/31/2023
NOG	295,660	$10,960	12/31/2023
Point72 Asset Management L.P.		$10,846	12/31/2023
NOG	293,685	$10,887	12/31/2023
Put	4,900	$182	12/31/2023
Call	3,800	$141	12/31/2023
Kennedy Capital Management Inc.	284,713	$10,554	12/31/2023
NOG	284,713	$10,554	12/31/2023
Brandywine Global Investment Management LLC	274,127	$10,162	12/31/2023
NOG	274,127	$10,162	12/31/2023
Squarepoint Ops LLC		$10,058	12/31/2023
NOG	294,231	$10,907	12/31/2023
Put	22,900	$849	12/31/2023
HITE Hedge Asset Management LLC	255,611	$9,476	12/31/2023
NOG	255,611	$9,476	12/31/2023
Mackenzie Financial Corp	254,922	$9,450	12/31/2023
NOG	254,922	$9,450	12/31/2023
Rhumbline Advisers	254,753	$9,444	12/31/2023
NOG	254,753	$9,444	12/31/2023
Legal & General Group Plc	252,564	$9,362	12/31/2023
NOG	252,564	$9,362	12/31/2023
Peregrine Capital Management LLC	222,194	$8,237	12/31/2023
NOG	222,194	$8,237	12/31/2023
Mizuho Securities USA LLC		$7,952	12/31/2023
NOTE 3	6,769,000	$7,952	12/31/2023
Lord Abbett & CO. LLC	211,114	$7,826	12/31/2023
NOG	211,114	$7,826	12/31/2023
Bridgewater Associates LP	202,451	$7,505	12/31/2023
NOG	202,451	$7,505	12/31/2023
Credit Suisse AG		$7,305	12/31/2023
NOG	125,075	$4,668	12/31/2023
NOTE 3	2,637,000	$2,637	12/31/2023
Comerica Bank		$7,200	12/31/2023
NOG	194,164	$7,198	12/31/2023
COMMON	2,000	$2	12/31/2023
Russell Investments Group Ltd.	193,585	$7,176	12/31/2023
NOG	193,585	$7,176	12/31/2023
Rafferty Asset Management LLC	191,544	$7,101	12/31/2023
NOG	191,544	$7,101	12/31/2023
Public Sector Pension Investment Board	189,794	$7,036	12/31/2023
NOG	189,794	$7,036	12/31/2023
Sit Investment Associates Inc.	182,575	$6,768	12/31/2023
NOG	182,575	$6,768	12/31/2023
Sapience Investments LLC	177,731	$6,588	12/31/2023
NOG	177,731	$6,588	12/31/2023
Swiss National Bank	176,500	$6,543	12/31/2023
NOG	176,500	$6,543	12/31/2023
Silverleafe Capital Partners LLC	162,419	$6,445	03/31/2024
NOG	162,419	$6,445	03/31/2024
Phocas Financial Corp.	170,273	$6,312	03/31/2024
NOG	170,273	$6,312	03/31/2024
Portolan Capital Management LLC	170,179	$6,309	12/31/2023
NOG	170,179	$6,309	12/31/2023
HBK Investments L P		$6,037	12/31/2023
NOTE 3	13,700,000	$16,172	12/31/2023
Put	273,400	$10,135	12/31/2023
RE Advisers Corp	161,900	$6,002	12/31/2023
NOG	161,900	$6,002	12/31/2023
King Luther Capital Management Corp	156,880	$5,816	12/31/2023
NOG	156,880	$5,816	12/31/2023
UBS Group AG		$5,482	12/31/2023
NOG	147,838	$5,480	12/31/2023
NOTE 3	2,000	$2	12/31/2023
Deutsche Bank AG	143,130	$5,306	12/31/2023
NOG	143,130	$5,306	12/31/2023
Hudson Bay Capital Management LP	137,067	$5,081	12/31/2023
NOG	137,067	$5,081	12/31/2023
Pin Oak Investment Advisors Inc.	126,633	$4,745	12/31/2023
NOG	126,633	$4,745	12/31/2023
Gabelli Funds LLC		$4,696	12/31/2023
BOND CONVERTIBLE	3,975,000	$4,696	12/31/2023
Eagle Asset Management Inc.	124,071	$4,599	12/31/2023
NOG	124,071	$4,599	12/31/2023
Prudential Financial Inc.	115,977	$4,299	12/31/2023
NOG	115,977	$4,299	12/31/2023
Public Employees Retirement System of Ohio	104,788	$3,884	12/31/2023
NOG	104,788	$3,884	12/31/2023
Allianz Asset Management GmbH	104,787	$3,884	12/31/2023
NOG	104,787	$3,884	12/31/2023
Federated Hermes Inc.	100,630	$3,730	12/31/2023
NOG	100,630	$3,730	12/31/2023
Truist Financial Corp	97,206	$3,603	12/31/2023
NOG	97,206	$3,603	12/31/2023
Aptus Capital Advisors LLC	96,681	$3,584	12/31/2023
NOG	96,681	$3,584	12/31/2023
Raymond James Financial Services Advisors Inc.	89,182	$3,539	03/31/2024
NOG	89,182	$3,539	03/31/2024
California State Teachers Retirement System	94,980	$3,521	12/31/2023
NOG	94,980	$3,521	12/31/2023
Epiq Partners LLC	87,739	$3,481	03/31/2024
NOG	87,739	$3,481	03/31/2024
Quantbot Technologies LP	90,845	$3,368	12/31/2023
NOG	90,845	$3,368	12/31/2023
Man Group plc		$3,364	12/31/2023
NOTE 3	2,850,000	$3,364	12/31/2023
Group One Trading L.P.		$3,340	12/31/2023
Call	112,800	$4,181	12/31/2023
Put	22,700	$841	12/31/2023
HN Saltoro Capital LP		$3,151	12/31/2023
Call	85,000	$3,151	12/31/2023
LPL Financial LLC	83,194	$3,084	12/31/2023
NOG	83,194	$3,084	12/31/2023
UBS Asset Management Americas Inc.	81,176	$3,029	12/31/2023
NOG	81,176	$3,029	12/31/2023
Texas Permanent School Fund	79,008	$2,929	12/31/2023
NOG	79,008	$2,929	12/31/2023
GW&K Investment Management LLC	77,685	$2,880	12/31/2023
NOG	77,685	$2,880	12/31/2023
Great West Life Assurance Co. Can	74,392	$2,754	12/31/2023
NOG	74,392	$2,754	12/31/2023
Stifel Financial Corp	73,036	$2,707	12/31/2023
NOG	73,036	$2,707	12/31/2023
DZ BANK AG Deutsche Zentral Genossenschafts Bank Frankfurt am Main		$2,653	12/31/2023
NOTE 3	2,250,000	$2,653	12/31/2023
Clark Capital Management Group Inc.	67,467	$2,501	12/31/2023
NOG	67,467	$2,501	12/31/2023
State of New Jersey Common Pension Fund D	67,362	$2,497	12/31/2023
NOG	67,362	$2,497	12/31/2023
D. E. Shaw & Co. Inc.		$2,417	12/31/2023
Call	55,600	$2,061	12/31/2023
NOG	9,599	$356	12/31/2023
Kornitzer Capital Management Inc. KS	63,900	$2,369	12/31/2023
NOG	63,900	$2,369	12/31/2023
Macquarie Group Ltd.		$2,363	12/31/2023
NOTE 3	2,000,000	$2,363	12/31/2023
Natixis Advisors L.P.	62,580	$2,318	12/31/2023
NOG	62,580	$2,318	12/31/2023
State of Alaska Department of Revenue	55,604	$2,206	03/31/2024
NOG	55,604	$2,206	03/31/2024
Illinois Municipal Retirement Fund	56,849	$2,107	12/31/2023
NOG	56,849	$2,107	12/31/2023
Motley Fool Asset Management LLC	56,231	$2,084	12/31/2023
NOG	56,231	$2,084	12/31/2023
Cahill Financial Advisors Inc.	51,727	$1,918	12/31/2023
NOG	51,727	$1,918	12/31/2023
Levin Easterly Partners LLC	49,427	$1,832	12/31/2023
NOG	49,427	$1,832	12/31/2023
Price T Rowe Associates Inc. MD	48,469	$1,797	12/31/2023
NOG	48,469	$1,797	12/31/2023
Yousif Capital Management LLC	48,298	$1,790	12/31/2023
NOG	48,298	$1,790	12/31/2023
American International Group Inc.	48,077	$1,782	12/31/2023
NOG	48,077	$1,782	12/31/2023
MetLife Investment Management LLC	46,056	$1,707	12/31/2023
NOG	46,056	$1,707	12/31/2023
Louisiana State Employees Retirement System	45,800	$1,698	12/31/2023
NOG	45,800	$1,698	12/31/2023
The Manufacturers Life Insurance Company	43,788	$1,623	12/31/2023
NOG	43,788	$1,623	12/31/2023
Janus Henderson Group PLC	42,084	$1,559	12/31/2023
NOG	42,084	$1,559	12/31/2023
Hodges Capital Management Inc.	39,080	$1,551	03/31/2024
NOG	39,080	$1,551	03/31/2024
Oak Ridge Investments LLC	40,421	$1,498	12/31/2023
NOG	40,421	$1,498	12/31/2023
Isthmus Partners LLC	40,254	$1,492	12/31/2023
NOG	40,254	$1,492	12/31/2023
Mirae Asset Global Investments Co. Ltd.	39,733	$1,473	12/31/2023
NOG	39,733	$1,473	12/31/2023
Aurora Investment Counsel	38,857	$1,440	12/31/2023
NOG	38,857	$1,440	12/31/2023
Amalgamated Bank	38,027	$1,410	12/31/2023
NOG	38,027	$1,410	12/31/2023
Maryland State Retirement & Pension System	32,890	$1,390	03/31/2024
NOG	32,890	$1,390	03/31/2024
AQR Capital Management LLC	37,014	$1,372	12/31/2023
NOG	37,014	$1,372	12/31/2023
New York State Teachers Retirement System	36,429	$1,350	12/31/2023
NOG	36,429	$1,350	12/31/2023
Van Den Berg Management I Inc.	35,884	$1,330	12/31/2023
NOG	35,884	$1,330	12/31/2023
Advisor Group Holdings Inc.	35,817	$1,329	12/31/2023
NOG	35,817	$1,329	12/31/2023
Ensign Peak Advisors Inc	35,800	$1,327	12/31/2023
NOG	35,800	$1,327	12/31/2023
Cresset Asset Management LLC	34,044	$1,268	12/31/2023
NOG	34,044	$1,268	12/31/2023
EFG Asset Management North America Corp.	32,751	$1,213	12/31/2023
NOG	32,751	$1,213	12/31/2023
Trust Point Inc.	28,991	$1,150	03/31/2024
NOG	28,991	$1,150	03/31/2024
Teachers Retirement System of The State of Kentucky	31,030	$1,150	12/31/2023
NOG	31,030	$1,150	12/31/2023
State of Tennessee Treasury Department	30,465	$1,129	12/31/2023
NOG	30,465	$1,129	12/31/2023
Doliver Advisors LP	28,072	$1,114	03/31/2024
NOG	28,072	$1,114	03/31/2024
National Bank of Canada FI	29,966	$1,103	12/31/2023
NOG	29,966	$1,103	12/31/2023
CastleKnight Management LP	29,300	$1,086	12/31/2023
NOG	29,300	$1,086	12/31/2023
The PNC Financial Services Group Inc.	29,161	$1,081	12/31/2023
NOG	29,161	$1,081	12/31/2023
Kestra Advisory Services LLC	28,385	$1,052	12/31/2023
NOG	28,385	$1,052	12/31/2023
Insight Wealth Strategies LLC	26,480	$1,051	03/31/2024
NOG	26,480	$1,051	03/31/2024
Oregon Public Employees Retirement Fund	26,700	$990	12/31/2023
NOG	26,700	$990	12/31/2023
Franklin Resources Inc.	25,898	$960	12/31/2023
NOG	25,898	$960	12/31/2023
Yorktown Management & Research Co Inc	25,600	$949	12/31/2023
NOG	25,600	$949	12/31/2023
Arizona State Retirement System	25,039	$928	12/31/2023
NOG	25,039	$928	12/31/2023
Register Financial Advisors LLC	22,821	$906	03/31/2024
NOG	22,821	$906	03/31/2024
State Board of Administration of Florida Retirement System	23,383	$867	12/31/2023
NOG	23,383	$867	12/31/2023
First National Bank of Omaha	23,110	$857	12/31/2023
NOG	23,110	$857	12/31/2023
TD Asset Management Inc.	22,600	$838	12/31/2023
NOG	22,600	$838	12/31/2023
Bay Colony Advisory Group Inc d b a Bay Colony Advisors	22,191	$823	12/31/2023
NOG	22,191	$823	12/31/2023
Ziegler Capital Management LLC	21,610	$801	12/31/2023
NOG	21,610	$801	12/31/2023
Mariner LLC	21,417	$794	12/31/2023
NOG	21,417	$794	12/31/2023
Great Valley Advisor Group Inc.	21,102	$782	12/31/2023
NOG	21,102	$782	12/31/2023
Empowered Funds LLC	20,892	$774	12/31/2023
NOG	20,892	$774	12/31/2023
Balyasny Asset Management LLC	20,802	$771	12/31/2023
NOG	20,802	$771	12/31/2023
Ethic Inc.	20,286	$752	12/31/2023
NOG	20,286	$752	12/31/2023
Qube Research & Technologies Ltd	20,070	$744	12/31/2023
NOG	20,070	$744	12/31/2023
Commonwealth of Pennsylvania Public School Empls Retrmt SYS	19,737	$732	12/31/2023
NOG	19,737	$732	12/31/2023
ClariVest Asset Management LLC	19,503	$723	12/31/2023
NOG	19,503	$723	12/31/2023
US Bancorp DE	18,741	$695	12/31/2023
NOG	18,741	$695	12/31/2023
Captrust Financial Advisors	18,463	$684	12/31/2023
NOG	18,463	$684	12/31/2023
CoreCommodity Management LLC	18,342	$680	12/31/2023
NOG	18,342	$680	12/31/2023
NBC Securities Inc.	16,649	$661	03/31/2024
NOG	16,649	$661	03/31/2024
Ellevest Inc.	16,862	$625	12/31/2023
NOG	16,862	$625	12/31/2023
ProShare Advisors LLC	16,608	$616	12/31/2023
NOG	16,608	$616	12/31/2023
Neuberger Berman Group LLC	16,586	$615	12/31/2023
NOG	16,586	$615	12/31/2023
Simplex Trading LLC		$606	12/31/2023
Call	101,100	$3,747	12/31/2023
Put	85,500	$3,169	12/31/2023
NOG	758	$28	12/31/2023
NewSquare Capital LLC	16,280	$604	12/31/2023
NOG	16,280	$604	12/31/2023
Guggenheim Capital LLC	15,645	$580	12/31/2023
NOG	15,645	$580	12/31/2023
Teacher Retirement System of Texas	15,424	$572	12/31/2023
NOG	15,424	$572	12/31/2023
Mercer Global Advisors Inc. ADV	15,271	$566	12/31/2023
NOG	15,271	$566	12/31/2023
Zurcher Kantonalbank Zurich Cantonalbank	14,963	$555	12/31/2023
NOG	14,963	$555	12/31/2023
Snowden Capital Advisors LLC	14,475	$537	12/31/2023
NOG	14,475	$537	12/31/2023
Tower Research Capital LLC TRC	14,250	$528	12/31/2023
NOG	14,250	$528	12/31/2023
NJ State Employees Deferred Compensation Plan	14,000	$519	12/31/2023
NOG	14,000	$519	12/31/2023
Sawtooth Solutions LLC	13,875	$514	12/31/2023
NOG	13,875	$514	12/31/2023
Cetera Advisor Networks LLC	13,559	$503	12/31/2023
NOG	13,559	$503	12/31/2023
Bessemer Group Inc.	13,517	$502	12/31/2023
NOG	13,517	$502	12/31/2023
Advantage Alpha Capital Partners LP	13,171	$488	12/31/2023
NOG	13,171	$488	12/31/2023
Pitcairn Co.	13,048	$484	12/31/2023
NOG	13,048	$484	12/31/2023
Teton Advisors Inc.		$473	12/31/2023
BOND CONVERTIBLE	400,000	$473	12/31/2023
Dark Forest Capital Management LP	12,589	$467	12/31/2023
NOG	12,589	$467	12/31/2023
Petrus Trust Company LTA	12,538	$465	12/31/2023
NOG	12,538	$465	12/31/2023
Wealth Enhancement Advisory Services LLC	11,375	$451	03/31/2024
NOG	11,375	$451	03/31/2024
MML Investors Services LLC	11,872	$440	12/31/2023
NOG	11,872	$440	12/31/2023
Brevan Howard Capital Management LP	11,602	$430	12/31/2023
NOG	11,602	$430	12/31/2023
Qsemble Capital Management LP	11,425	$424	12/31/2023
NOG	11,425	$424	12/31/2023
Waldron Private Wealth LLC	11,325	$419	12/31/2023
NOG	11,325	$419	12/31/2023
Cambridge Investment Research Advisors Inc.	11,090	$411	12/31/2023
NOG	11,090	$411	12/31/2023
Envestnet Portfolio Solutions Inc.	11,063	$410	12/31/2023
NOG	11,063	$410	12/31/2023
iA Global Asset Management Inc.	340,000	$403	12/31/2023
COM	340,000	$403	12/31/2023
Public Employees Retirement Association of Colorado	10,721	$397	12/31/2023
COM	10,721	$397	12/31/2023
Personal CFO Solutions LLC	10,371	$384	12/31/2023
NOG	10,371	$384	12/31/2023
Cowa LLC	10,248	$380	12/31/2023
NOG	10,248	$380	12/31/2023
Pictet Asset Management Holding SA	10,235	$379	12/31/2023
NOG	10,235	$379	12/31/2023
Leavell Investment Management Inc.	10,000	$375	12/31/2023
NOG	10,000	$375	12/31/2023
Mount Yale Investment Advisors LLC	9,461	$351	12/31/2023
NOG	9,461	$351	12/31/2023
SG Americas Securities LLC	9,430	$350	12/31/2023
NOG	9,430	$350	12/31/2023
Ameritas Investment Partners Inc.	9,118	$338	12/31/2023
NOG	9,118	$338	12/31/2023
Foster & Motley Inc.	8,377	$332	03/31/2024
NOG	8,377	$332	03/31/2024
Howard Financial Services LTD.	8,214	$326	03/31/2024
NOG	8,214	$326	03/31/2024
Janney Montgomery Scott LLC	8,539	$317	12/31/2023
NOG	8,539	$317	12/31/2023
State of Wisconsin Investment Board	8,496	$315	12/31/2023
NOG	8,496	$315	12/31/2023
Private Advisor Group LLC	8,437	$313	12/31/2023
NOG	8,437	$313	12/31/2023
Eqis Capital Management Inc.	8,249	$306	12/31/2023
NOG	8,249	$306	12/31/2023
Wolverine Trading LLC		$296	12/31/2023
Put	36,300	$1,346	12/31/2023
Call	31,400	$1,164	12/31/2023
NOG	12,900	$478	12/31/2023
RFG Advisory LLC	7,439	$295	03/31/2024
NOG	7,439	$295	03/31/2024
Range Financial Group LLC	7,289	$289	03/31/2024
NOG	7,289	$289	03/31/2024
Alps Advisors Inc.	7,700	$285	12/31/2023
NOG	7,700	$285	12/31/2023
Douglas Lane & Associates LLC	7,050	$280	03/31/2024
NOG	7,050	$280	03/31/2024
XTX Topco Ltd	7,392	$274	12/31/2023
NOG	7,392	$274	12/31/2023
Pathstone Holdings LLC	7,342	$274	12/31/2023
NOG	7,342	$274	12/31/2023
Hennion & Walsh Asset Management Inc.	6,728	$267	03/31/2024
NOG	6,728	$267	03/31/2024
Engineers Gate Manager LP	6,930	$257	12/31/2023
NOG	6,930	$257	12/31/2023
Creative Planning	6,795	$252	12/31/2023
NOG	6,795	$252	12/31/2023
Ironwood Investment Management LLC	6,740	$250	12/31/2023
NOG	6,740	$250	12/31/2023
Heritage Wealth Management LLC	6,700	$248	12/31/2023
NOG	6,700	$248	12/31/2023
Geneos Wealth Management Inc.	6,550	$243	12/31/2023
NOG	6,550	$243	12/31/2023
Jump Financial LLC	6,421	$238	12/31/2023
NOG	6,421	$238	12/31/2023
Hancock Whitney Corp	6,184	$229	12/31/2023
NOG	6,184	$229	12/31/2023
Strs Ohio	6,100	$226	12/31/2023
NOG	6,100	$226	12/31/2023
Verition Fund Management LLC	6,075	$225	12/31/2023
NOG	6,075	$225	12/31/2023
Capstone Investment Advisors LLC	5,843	$217	12/31/2023
NOG	5,843	$217	12/31/2023
Two Sigma Securities LLC		$212	12/31/2023
Put	24,900	$923	12/31/2023
NOG	17,319	$642	12/31/2023
Call	13,300	$493	12/31/2023
SNS Financial Group LLC	5,650	$212	12/31/2023
NOG	5,650	$212	12/31/2023
Legato Capital Management LLC	5,186	$206	03/31/2024
NOG	5,186	$206	03/31/2024
Inceptionr LLC	5,507	$204	12/31/2023
NOG	5,507	$204	12/31/2023
KBC Group NV		$193	12/31/2023
NOTE 3	100,000	$119	12/31/2023
NOG	1,984	$74	12/31/2023
Metropolitan Life Insurance Co NY	4,995	$185	12/31/2023
NOG	4,995	$185	12/31/2023
Icon Wealth Advisors LLC	5,000	$185	12/31/2023
NOG	5,000	$185	12/31/2023
Lazard Asset Management LLC	4,158	$153	12/31/2023
NOG	4,158	$153	12/31/2023
Nisa Investment Advisors LLC	4,050	$150	12/31/2023
NOG	4,050	$150	12/31/2023
Assetmark Inc.	3,902	$145	12/31/2023
NOG	3,902	$145	12/31/2023
Cubist Systematic Strategies LLC		$137	12/31/2023
Call	17,100	$634	12/31/2023
Put	13,400	$497	12/31/2023
GWM Advisors LLC	3,598	$133	12/31/2023
NOG	3,598	$133	12/31/2023
Walleye Capital LLC		$133	12/31/2023
Call	24,900	$923	12/31/2023
Put	21,300	$790	12/31/2023
GTS Securities LLC		$126	12/31/2023
Call	9,700	$360	12/31/2023
Put	6,300	$234	12/31/2023
BOKF NA	3,194	$118	12/31/2023
NOG	3,194	$118	12/31/2023
First Horizon Advisors Inc.	3,193	$118	12/31/2023
NOG	3,193	$118	12/31/2023
Mendota Financial Group LLC	2,411	$89	12/31/2023
NOG	2,411	$89	12/31/2023
Quadrant Capital Group LLC	2,175	$81	12/31/2023
NOG	2,175	$81	12/31/2023
Covestor Ltd	1,986	$74	12/31/2023
NOG	1,986	$74	12/31/2023
CWM LLC	1,726	$69	03/31/2024
NOG	1,726	$69	03/31/2024
Stephens Inc. AR		$65	12/31/2023
NOTE 3	55,000	$65	12/31/2023
DekaBank Deutsche Girozentrale	1,655	$62	12/31/2023
NOG	1,655	$62	12/31/2023
SRS Capital Advisors Inc.	1,230	$46	12/31/2023
NOG	1,230	$46	12/31/2023
Fifth Third Bancorp	1,151	$43	12/31/2023
NOG	1,151	$43	12/31/2023
Proequities Inc.		$43	12/31/2023
NOG	1,148	$43	12/31/2023
Put	0	$0	12/31/2023
Call	0	$0	12/31/2023
FinTrust Capital Advisors LLC	1,166	$43	12/31/2023
NOG	1,166	$43	12/31/2023
Principal Securities Inc.	1,140	$42	12/31/2023
NOG	1,140	$42	12/31/2023
TFO TDC LLC	1,122	$42	12/31/2023
NOG	1,122	$42	12/31/2023
Versant Capital Management Inc	917	$36	03/31/2024
NOG	917	$36	03/31/2024
Byrne Asset Management LLC	900	$36	03/31/2024
NOG	900	$36	03/31/2024
EntryPoint Capital LLC	925	$34	12/31/2023
NOG	925	$34	12/31/2023
Tradition Wealth Management LLC	888	$33	12/31/2023
NOG	888	$33	12/31/2023
City State Bank	625	$25	03/31/2024
NOG	625	$25	03/31/2024
GAMMA Investing LLC	577	$23	03/31/2024
NOG	577	$23	03/31/2024
Centerpoint Advisors LLC	626	$23	12/31/2023
NOG	626	$23	12/31/2023
Advisory Services Network LLC	564	$21	12/31/2023
NOG	564	$21	12/31/2023
Tortoise Investment Management LLC	550	$20	12/31/2023
NOG	550	$20	12/31/2023
Allworth Financial LP	516	$19	12/31/2023
NOG	516	$19	12/31/2023
Salem Investment Counselors Inc.	440	$18	03/31/2024
NOG	440	$18	03/31/2024
Tradewinds Capital Management LLC	400	$16	03/31/2024
NOG	400	$16	03/31/2024
IFP Advisors Inc	438	$16	12/31/2023
NOG	438	$16	12/31/2023
UMB Bank N A MO	393	$15	12/31/2023
NOG	393	$15	12/31/2023
Lindbrook Capital LLC	376	$14	12/31/2023
NOG	376	$14	12/31/2023
Tucker Asset Management LLC	371	$14	12/31/2023
NOG	371	$14	12/31/2023
Signaturefd LLC	318	$12	12/31/2023
NOG	318	$12	12/31/2023
WealthCollab LLC	291	$11	12/31/2023
NOG	291	$11	12/31/2023
Cutler Group LP		$10	03/31/2024
NOG	177	$7	03/31/2024
Call	1,500	$3	03/31/2024
Richardson Financial Services Inc.	264	$10	12/31/2023
NOG	264	$10	12/31/2023
Turtle Creek Wealth Advisors LLC	230	$9	12/31/2023
NOG	230	$9	12/31/2023
Robinson Value Management Ltd.	200	$8	03/31/2024
NOG	200	$8	03/31/2024
Hexagon Capital Partners LLC	208	$8	03/31/2024
NOG	208	$8	03/31/2024
Private Trust Co. NA	207	$8	12/31/2023
NOG	207	$8	12/31/2023
Spire Wealth Management	203	$8	12/31/2023
NOG	203	$8	12/31/2023
Brown Brothers Harriman & Co.	200	$7	12/31/2023
NOG	200	$7	12/31/2023
Massmutual Trust Co. FSB ADV	140	$6	03/31/2024
NOG	140	$6	03/31/2024
Mitsubishi UFJ Kokusai Asset Management Co. Ltd.	152	$6	12/31/2023
NOG	152	$6	12/31/2023
CENTRAL TRUST Co	132	$5	12/31/2023
NOG	132	$5	12/31/2023
Eagle Bay Advisors LLC	144	$5	12/31/2023
NOG	144	$5	12/31/2023
First Financialcorp IN	97	$4	03/31/2024
NOG	97	$4	03/31/2024
Harbor Investment Advisory LLC	101	$4	03/31/2024
NOG	101	$4	03/31/2024
Bell Investment Advisors Inc	101	$4	12/31/2023
NOG	101	$4	12/31/2023
ICA Group Wealth Management LLC	107	$4	12/31/2023
NOG	107	$4	12/31/2023
Farther Finance Advisors LLC	98	$4	12/31/2023
NOG	98	$4	12/31/2023
BOK Financial Private Wealth Inc.	69	$3	12/31/2023
NOG	69	$3	12/31/2023
West Tower Group LLC	82	$3	12/31/2023
NOG	82	$3	12/31/2023
Pineridge Advisors LLC	81	$3	12/31/2023
NOG	81	$3	12/31/2023
Farmers & Merchants Investments Inc.	60	$2	03/31/2024
NOG	60	$2	03/31/2024
West Financial Advisors LLC	50	$2	03/31/2024
NOG	50	$2	03/31/2024
Huntington National Bank	48	$2	12/31/2023
NOG	48	$2	12/31/2023
Harbour Investments Inc.	61	$2	12/31/2023
NOG	61	$2	12/31/2023
Bollard Group LLC	58	$2	12/31/2023
NOG	58	$2	12/31/2023
Stone House Investment Management LLC	56	$2	12/31/2023
NOG	56	$2	12/31/2023
EverSource Wealth Advisors LLC	54	$2	12/31/2023
NOG	54	$2	12/31/2023
Prestige Wealth Management Group LLC	51	$2	12/31/2023
NOG	51	$2	12/31/2023
Sunbelt Securities Inc.	26	$1	03/31/2024
NOG	26	$1	03/31/2024
First Manhattan Co.	34	$1	12/31/2023
NOG	34	$1	12/31/2023
JFS Wealth Advisors LLC	37	$1	12/31/2023
NOG	37	$1	12/31/2023
Parallel Advisors LLC	28	$1	12/31/2023
NOG	28	$1	12/31/2023
Global Retirement Partners LLC	36	$1	12/31/2023
NOG	36	$1	12/31/2023
Avion Wealth	16	$1	12/31/2023
NOG	16	$1	12/31/2023
Cornerstone Planning Group LLC	38	$1	12/31/2023
NOG	38	$1	12/31/2023
SYSTM Wealth Solutions LLC	37	$1	12/31/2023
NOG	37	$1	12/31/2023
AdvisorNet Financial Inc	5	$0	03/31/2024
NOG	5	$0	03/31/2024
SJS Investment Consulting Inc.	11	$0	03/31/2024
NOG	11	$0	03/31/2024
Northwestern Mutual Wealth Management Co.	9	$0	12/31/2023
NOG	9	$0	12/31/2023
Parkside Financial Bank & Trust	7	$0	12/31/2023
NOG	7	$0	12/31/2023
Clear Street Markets LLC	1	$0	12/31/2023
NOG	1	$0	12/31/2023
Gradient Investments LLC	0	$0	12/31/2023
NOG	0	$0	12/31/2023
Maven Securities LTD		$0	12/31/2023
Put	29,500	$1,094	12/31/2023
Call	22,100	$819	12/31/2023
NOG	7,409	$275	12/31/2023
Ronald Blue Trust Inc.	11	$0	12/31/2023
NOG	11	$0	12/31/2023
DiNuzzo Private Wealth Inc.	6	$0	12/31/2023
NOG	6	$0	12/31/2023
Walleye Trading LLC		$-1,145	12/31/2023
Put	58,300	$2,161	12/31/2023
Call	27,400	$1,016	12/31/2023
Wolverine Asset Management LLC		$-1,361	12/31/2023
Put	42,100	$1,561	12/31/2023
NOG	5,400	$200	12/31/2023
PEAK6 Investments LLC	73,400	$-2,647	12/31/2023
Put	144,800	$5,368	12/31/2023
Call	73,400	$2,721	12/31/2023

See Summary: Institutional Holders of NOG
See Details: Top 10 Hedge Funds Holding NOG
Also See: NOG Insider Buying
Also See: NOG Holdings Changes

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NOG — Performance