On this page, we present all of the funds holding CLB from our database of 13F filers, detailed in the table below. The first column indicates the name of each of the funds holding CLB, with a link to that fund's top holdings. The next columns indicate the amount of CLB stock held by each of the funds holding CLB, followed by the CLB position size held by the fund, and lastly the date of the quarterly filing period the data represents. In total, we count 185 funds holding CLB within the last two filing periods in our coverage universe of 13F filers, with the largest position size having been reported by Ariel Investments LLC. For more details on the positions held by Ariel Investments LLC (or by any of the other funds holding CLB), click the fund name in the "Holder" column of the funds-holding-CLB table below.

Holder	Amount	Position Size ($ in 1000's)	As of
Ariel Investments LLC	8,988,399	$158,735	12/31/2023
CLB	8,988,399	$158,735	12/31/2023
BlackRock Inc.	7,979,470	$140,917	12/31/2023
CLB	7,979,470	$140,917	12/31/2023
Vanguard Group Inc.	5,364,333	$94,734	12/31/2023
CLB	5,364,333	$94,734	12/31/2023
Earnest Partners LLC	3,727,668	$65,831	12/31/2023
CLB	3,727,668	$65,831	12/31/2023
State Street Corp	2,041,533	$36,053	12/31/2023
CLB	2,041,533	$36,053	12/31/2023
Congress Asset Management Co. MA	1,606,745	$27,443	03/31/2024
CLB	1,606,745	$27,443	03/31/2024
Ameriprise Financial Inc.	1,089,207	$19,235	12/31/2023
CLB	1,089,207	$19,235	12/31/2023
Fred Alger Management LLC	1,020,549	$18,023	12/31/2023
CLB	1,020,549	$18,023	12/31/2023
Geode Capital Management LLC	1,000,731	$17,675	12/31/2023
CLB	1,000,731	$17,675	12/31/2023
Dimensional Fund Advisors LP	947,807	$16,739	12/31/2023
CLB	947,807	$16,739	12/31/2023
Royce & Associates LP	914,274	$16,146	12/31/2023
CLB	914,274	$16,146	12/31/2023
Fisher Asset Management LLC	754,407	$13,323	12/31/2023
CLB	754,407	$13,323	12/31/2023
Disciplined Growth Investors Inc. MN	752,367	$13,287	12/31/2023
CLB	752,367	$13,287	12/31/2023
Morgan Stanley	727,516	$12,848	12/31/2023
CLB	727,516	$12,848	12/31/2023
Boston Trust Walden Corp	720,292	$12,303	03/31/2024
CLB	720,292	$12,303	03/31/2024
Van ECK Associates Corp	586,432	$10,356	12/31/2023
CLB	586,432	$10,356	12/31/2023
Charles Schwab Investment Management Inc.	580,353	$10,249	12/31/2023
CLB	580,353	$10,249	12/31/2023
Northern Trust Corp	494,336	$8,730	12/31/2023
CLB	494,336	$8,730	12/31/2023
Citadel Advisors LLC		$8,166	12/31/2023
CLB	357,900	$6,321	12/31/2023
Call	127,200	$2,246	12/31/2023
Put	22,700	$401	12/31/2023
Bank of New York Mellon Corp	477,393	$8,154	03/31/2024
CLB	477,393	$8,154	03/31/2024
Invesco Ltd.	412,484	$7,284	12/31/2023
CLB	412,484	$7,284	12/31/2023
Scout Investments Inc.	281,731	$4,975	12/31/2023
CLB	281,731	$4,975	12/31/2023
Wintrust Investments LLC	275,250	$4,861	12/31/2023
CLB	275,250	$4,861	12/31/2023
LMR Partners LLP	272,380	$4,810	12/31/2023
CLB	272,380	$4,810	12/31/2023
Envestnet Asset Management Inc.	261,345	$4,615	12/31/2023
CLB	261,345	$4,615	12/31/2023
Norges Bank	258,466	$4,565	12/31/2023
CLB	258,466	$4,565	12/31/2023
Principal Financial Group Inc.	243,431	$4,299	12/31/2023
CLB	243,431	$4,299	12/31/2023
D. E. Shaw & Co. Inc.	227,442	$4,017	12/31/2023
CLB	227,442	$4,017	12/31/2023
Advisors Capital Management LLC	226,318	$3,997	12/31/2023
CLB	226,318	$3,997	12/31/2023
Congress Wealth Management LLC DE	183,282	$3,130	03/31/2024
CLB	183,282	$3,130	03/31/2024
Gendell Jeffrey L	162,093	$2,863	12/31/2023
CLB	162,093	$2,863	12/31/2023
Bank of America Corp DE	161,721	$2,856	12/31/2023
CLB	161,721	$2,856	12/31/2023
Goldman Sachs Group Inc.	145,532	$2,570	12/31/2023
CLB	145,532	$2,570	12/31/2023
Rhumbline Advisers	142,414	$2,515	12/31/2023
CLB	142,414	$2,515	12/31/2023
Confluence Investment Management LLC	146,048	$2,495	03/31/2024
CLB	146,048	$2,495	03/31/2024
First Trust Advisors LP	140,701	$2,485	12/31/2023
CLB	140,701	$2,485	12/31/2023
State of New Jersey Common Pension Fund D	138,951	$2,454	12/31/2023
CLB	138,951	$2,454	12/31/2023
Horizon Kinetics Asset Management LLC	136,908	$2,418	12/31/2023
CLB	136,908	$2,418	12/31/2023
Nuveen Asset Management LLC	134,903	$2,382	12/31/2023
CLB	134,903	$2,382	12/31/2023
Wells Fargo & Company MN	128,178	$2,264	12/31/2023
CLB	128,178	$2,264	12/31/2023
Partnership Wealth Management LLC	125,750	$2,148	03/31/2024
CLB	125,750	$2,148	03/31/2024
Susquehanna International Group LLP		$2,074	12/31/2023
CLB	64,863	$1,145	12/31/2023
Call	52,600	$929	12/31/2023
Russell Investments Group Ltd.	112,290	$1,983	12/31/2023
CLB	112,290	$1,983	12/31/2023
Group One Trading L.P.		$1,748	12/31/2023
Call	100,800	$1,780	12/31/2023
Put	1,800	$32	12/31/2023
FMR LLC	98,856	$1,746	12/31/2023
CLB	98,856	$1,746	12/31/2023
Voloridge Investment Management LLC	97,499	$1,722	12/31/2023
CLB	97,499	$1,722	12/31/2023
Public Sector Pension Investment Board	96,958	$1,712	12/31/2023
CLB	96,958	$1,712	12/31/2023
Swiss National Bank	91,900	$1,623	12/31/2023
CLB	91,900	$1,623	12/31/2023
QSV Equity Investors LLC	82,039	$1,449	12/31/2023
CLB	82,039	$1,449	12/31/2023
Barclays PLC	80,866	$1,428	12/31/2023
CLB	80,866	$1,428	12/31/2023
Moors & Cabot Inc.	75,331	$1,330	12/31/2023
CLB	75,331	$1,330	12/31/2023
UBS Asset Management Americas Inc.	71,371	$1,260	12/31/2023
CLB	71,371	$1,260	12/31/2023
Mraz Amerine & Associates Inc.	65,249	$1,152	12/31/2023
CLB	65,249	$1,152	12/31/2023
Two Sigma Investments LP	62,460	$1,103	12/31/2023
CLB	62,460	$1,103	12/31/2023
Campbell & CO Investment Adviser LLC	60,842	$1,074	12/31/2023
CLB	60,842	$1,074	12/31/2023
JPMorgan Chase & Co.	60,356	$1,066	12/31/2023
CLB	60,356	$1,066	12/31/2023
Jane Street Group LLC		$1,049	12/31/2023
CLB	47,397	$837	12/31/2023
Call	12,000	$212	12/31/2023
Alliancebernstein L.P.	56,790	$1,003	12/31/2023
CLB	56,790	$1,003	12/31/2023
Credit Suisse AG	55,443	$979	12/31/2023
CLB	55,443	$979	12/31/2023
Royal Bank of Canada	54,325	$960	12/31/2023
CLB	54,325	$960	12/31/2023
Prudential Financial Inc.	54,271	$958	12/31/2023
CLB	54,271	$958	12/31/2023
Oppenheimer Asset Management Inc.	52,423	$926	12/31/2023
CLB	52,423	$926	12/31/2023
Simplex Trading LLC		$888	03/31/2024
Call	51,800	$884	03/31/2024
CLB	1,039	$17	03/31/2024
Put	800	$13	03/31/2024
California State Teachers Retirement System	49,313	$871	12/31/2023
CLB	49,313	$871	12/31/2023
Townsquare Capital LLC	43,400	$766	12/31/2023
CLB	43,400	$766	12/31/2023
Toroso Investments LLC	43,146	$762	12/31/2023
CLB	43,146	$762	12/31/2023
Everence Capital Management Inc.	42,210	$745	12/31/2023
CLB	42,210	$745	12/31/2023
Thrivent Financial for Lutherans	41,722	$737	12/31/2023
CLB	41,722	$737	12/31/2023
Advisor Group Holdings Inc.	41,432	$732	12/31/2023
CLB	41,432	$732	12/31/2023
Texas Permanent School Fund	40,358	$713	12/31/2023
CLB	40,358	$713	12/31/2023
American Century Companies Inc.	35,274	$623	12/31/2023
CLB	35,274	$623	12/31/2023
Epacria Capital Partners LLC	31,860	$563	12/31/2023
CLB	31,860	$563	12/31/2023
Ridgewood Investments LLC	32,732	$559	03/31/2024
CLB	32,732	$559	03/31/2024
PEAK6 Investments LLC	29,546	$522	12/31/2023
CLB	29,546	$522	12/31/2023
Citigroup Inc.	28,313	$500	12/31/2023
CLB	28,313	$500	12/31/2023
Truist Financial Corp	28,172	$498	12/31/2023
CLB	28,172	$498	12/31/2023
Morningstar Investment Services LLC	27,346	$495	12/31/2023
CLB	27,346	$495	12/31/2023
Guggenheim Capital LLC	27,979	$494	12/31/2023
CLB	27,979	$494	12/31/2023
Illinois Municipal Retirement Fund	27,921	$493	12/31/2023
CLB	27,921	$493	12/31/2023
State of Alaska Department of Revenue	28,464	$486	03/31/2024
CLB	28,464	$486	03/31/2024
American International Group Inc.	25,510	$451	12/31/2023
CLB	25,510	$451	12/31/2023
Deutsche Bank AG	25,554	$451	12/31/2023
CLB	25,554	$451	12/31/2023
Price T Rowe Associates Inc. MD	25,380	$449	12/31/2023
CLB	25,380	$449	12/31/2023
UBS Group AG	24,885	$439	12/31/2023
CLB	24,885	$439	12/31/2023
Comerica Bank	24,768	$437	12/31/2023
CLB	24,768	$437	12/31/2023
MetLife Investment Management LLC	24,754	$437	12/31/2023
CLB	24,754	$437	12/31/2023
Yousif Capital Management LLC	23,168	$409	12/31/2023
CLB	23,168	$409	12/31/2023
Louisiana State Employees Retirement System	23,100	$395	03/31/2024
CLB	23,100	$395	03/31/2024
Norden Group LLC	23,086	$394	03/31/2024
CLB	23,086	$394	03/31/2024
SG Americas Securities LLC	21,999	$389	12/31/2023
CLB	21,999	$389	12/31/2023
The Manufacturers Life Insurance Company	21,786	$385	12/31/2023
CLB	21,786	$385	12/31/2023
Mirae Asset Global Investments Co. Ltd.	21,570	$381	12/31/2023
CLB	21,570	$381	12/31/2023
Walleye Trading LLC		$380	12/31/2023
Call	21,500	$380	12/31/2023
Janus Henderson Group PLC	20,093	$355	12/31/2023
CLB	20,093	$355	12/31/2023
New York State Teachers Retirement System	19,818	$338	03/31/2024
CLB	19,818	$338	03/31/2024
Voya Investment Management LLC	19,068	$337	12/31/2023
CLB	19,068	$337	12/31/2023
Sei Investments Co.	18,932	$334	12/31/2023
CLB	18,932	$334	12/31/2023
ExodusPoint Capital Management LP	18,643	$329	12/31/2023
CLB	18,643	$329	12/31/2023
New York State Common Retirement Fund	18,400	$325	12/31/2023
CLB	18,400	$325	12/31/2023
Marshall Wace LLP	18,361	$324	12/31/2023
CLB	18,361	$324	12/31/2023
Susquehanna Portfolio Strategies LLC	17,425	$308	12/31/2023
CLB	17,425	$308	12/31/2023
GTS Securities LLC		$300	12/31/2023
Call	17,000	$300	12/31/2023
Maryland State Retirement & Pension System	17,194	$287	03/31/2024
CLB	17,194	$287	03/31/2024
State of Tennessee Treasury Department	15,757	$278	12/31/2023
CLB	15,757	$278	12/31/2023
Teachers Retirement System of The State of Kentucky	15,373	$271	12/31/2023
CLB	15,373	$271	12/31/2023
Aigen Investment Management LP	15,275	$270	12/31/2023
CLB	15,275	$270	12/31/2023
Tower Research Capital LLC TRC	15,188	$268	12/31/2023
CLB	15,188	$268	12/31/2023
Amalgamated Bank	15,127	$258	03/31/2024
CLB	15,127	$258	03/31/2024
GSA Capital Partners LLP	14,015	$248	12/31/2023
CLB	14,015	$248	12/31/2023
Creative Planning	13,992	$247	12/31/2023
CLB	13,992	$247	12/31/2023
Connable Office Inc.	13,928	$246	12/31/2023
CLB	13,928	$246	12/31/2023
Oregon Public Employees Retirement Fund	13,640	$241	12/31/2023
CLB	13,640	$241	12/31/2023
State Board of Administration of Florida Retirement System	13,390	$236	12/31/2023
CLB	13,390	$236	12/31/2023
Integrated Investment Consultants LLC	13,581	$232	03/31/2024
CLB	13,581	$232	03/31/2024
Arizona State Retirement System	13,050	$230	12/31/2023
CLB	13,050	$230	12/31/2023
Pathstone Holdings LLC	12,723	$225	12/31/2023
CLB	12,723	$225	12/31/2023
Natixis Advisors L.P.	12,735	$218	03/31/2024
CLB	12,735	$218	03/31/2024
Balyasny Asset Management LLC	12,340	$218	12/31/2023
CLB	12,340	$218	12/31/2023
Captrust Financial Advisors	12,319	$218	12/31/2023
CLB	12,319	$218	12/31/2023
Landscape Capital Management L.L.C.	12,336	$218	12/31/2023
CLB	12,336	$218	12/31/2023
LPL Financial LLC	11,473	$203	12/31/2023
CLB	11,473	$203	12/31/2023
KLR Investment Advisors LLC	11,301	$192	03/31/2024
CLB	11,301	$192	03/31/2024
Wealth Enhancement Advisory Services LLC	11,059	$189	03/31/2024
CLB	11,059	$189	03/31/2024
Zurcher Kantonalbank Zurich Cantonalbank	10,787	$184	03/31/2024
CLB	10,787	$184	03/31/2024
Profund Advisors LLC	10,407	$184	12/31/2023
CLB	10,407	$184	12/31/2023
Oppenheimer & Co. Inc.	10,137	$179	12/31/2023
CLB	10,137	$179	12/31/2023
Commonwealth of Pennsylvania Public School Empls Retrmt SYS	10,083	$178	12/31/2023
CLB	10,083	$178	12/31/2023
US Bancorp DE	9,863	$174	12/31/2023
CLB	9,863	$174	12/31/2023
Public Employees Retirement Association of Colorado	8,411	$149	12/31/2023
CLB	8,411	$149	12/31/2023
Farther Finance Advisors LLC	6,669	$118	12/31/2023
CLB	6,669	$118	12/31/2023
Platinum Investment Management Ltd.	5,577	$98	12/31/2023
CLB	5,577	$98	12/31/2023
Amundi	5,903	$97	12/31/2023
CLB	5,903	$97	12/31/2023
Ameritas Investment Partners Inc.	4,661	$82	12/31/2023
CLB	4,661	$82	12/31/2023
Lindbrook Capital LLC	3,713	$63	03/31/2024
CLB	3,713	$63	03/31/2024
CWM LLC	3,580	$61	03/31/2024
CLB	3,580	$61	03/31/2024
GAMMA Investing LLC	3,570	$61	03/31/2024
CLB	3,570	$61	03/31/2024
Quadrant Capital Group LLC	3,370	$60	12/31/2023
CLB	3,370	$60	12/31/2023
Qube Research & Technologies Ltd	3,101	$55	12/31/2023
CLB	3,101	$55	12/31/2023
Metropolitan Life Insurance Co NY	2,848	$50	12/31/2023
CLB	2,848	$50	12/31/2023
Northwestern Mutual Wealth Management Co.	2,429	$43	12/31/2023
CLB	2,429	$43	12/31/2023
IFP Advisors Inc	2,239	$40	12/31/2023
CLB	2,239	$40	12/31/2023
The PNC Financial Services Group Inc.	2,167	$38	12/31/2023
CLB	2,167	$38	12/31/2023
KBC Group NV	1,898	$34	12/31/2023
CLB	1,898	$34	12/31/2023
Signaturefd LLC	1,536	$27	12/31/2023
CLB	1,536	$27	12/31/2023
Parallel Advisors LLC	1,354	$24	12/31/2023
CLB	1,354	$24	12/31/2023
Advisory Services Network LLC	1,277	$23	12/31/2023
CLB	1,277	$23	12/31/2023
nVerses Capital LLC	1,300	$22	03/31/2024
CLB	1,300	$22	03/31/2024
First Manhattan Co.	1,250	$22	12/31/2023
CLB	1,250	$22	12/31/2023
Gradient Investments LLC	1,200	$20	03/31/2024
CLB	1,200	$20	03/31/2024
Proequities Inc.		$20	12/31/2023
CLB	1,133	$20	12/31/2023
Put	0	$0	12/31/2023
Call	0	$0	12/31/2023
State of Wyoming	1,040	$18	12/31/2023
CLB	1,040	$18	12/31/2023
Public Employees Retirement System of Ohio	829	$15	12/31/2023
CLB	829	$15	12/31/2023
Fifth Third Bancorp	770	$13	03/31/2024
CLB	770	$13	03/31/2024
1832 Asset Management L.P.	652	$12	12/31/2023
CLB	652	$12	12/31/2023
Legal & General Group Plc	610	$11	12/31/2023
CLB	610	$11	12/31/2023
TCTC Holdings LLC	600	$11	12/31/2023
CLB	600	$11	12/31/2023
AdvisorNet Financial Inc	549	$9	03/31/2024
CLB	549	$9	03/31/2024
Massmutual Trust Co. FSB ADV	456	$8	03/31/2024
CLB	456	$8	03/31/2024
Private Ocean LLC	420	$7	03/31/2024
CLB	420	$7	03/31/2024
Rosenberg Matthew Hamilton	402	$7	03/31/2024
CLB	402	$7	03/31/2024
Pin Oak Investment Advisors Inc.	372	$7	12/31/2023
CLB	372	$7	12/31/2023
Rogco LP	390	$7	12/31/2023
CLB	390	$7	12/31/2023
Allworth Financial LP	367	$6	03/31/2024
CLB	367	$6	03/31/2024
Sunbelt Securities Inc.	294	$5	03/31/2024
CLB	294	$5	03/31/2024
Principal Securities Inc.	210	$4	12/31/2023
CLB	210	$4	12/31/2023
JFS Wealth Advisors LLC	231	$4	12/31/2023
CLB	231	$4	12/31/2023
TD Waterhouse Canada Inc.	190	$4	12/31/2023
CLB	190	$4	12/31/2023
Barrow Hanley Mewhinney & Strauss LLC	176	$3	12/31/2023
CLB	176	$3	12/31/2023
LGT Financial Advisors LLC	171	$3	12/31/2023
CLB	171	$3	12/31/2023
WASHINGTON TRUST Co	98	$2	03/31/2024
CLB	98	$2	03/31/2024
Clearstead Advisors LLC	102	$2	12/31/2023
CLB	102	$2	12/31/2023
EverSource Wealth Advisors LLC	102	$2	12/31/2023
CLB	102	$2	12/31/2023
Carolinas Wealth Consulting LLC	100	$2	12/31/2023
CLB	100	$2	12/31/2023
Cape Investment Advisory Inc.	119	$2	12/31/2023
CLB	119	$2	12/31/2023
Pineridge Advisors LLC	96	$2	12/31/2023
CLB	96	$2	12/31/2023
Farmers & Merchants Investments Inc.	44	$1	03/31/2024
CLB	44	$1	03/31/2024
Moisand Fitzgerald Tamayo LLC	78	$1	03/31/2024
CLB	78	$1	03/31/2024
Northwest Capital Management Inc	30	$1	03/31/2024
CLB	30	$1	03/31/2024
Huntington National Bank	44	$1	12/31/2023
CLB	44	$1	12/31/2023
Bessemer Group Inc.	50	$1	12/31/2023
CLB	50	$1	12/31/2023
First Horizon Advisors Inc.	66	$1	12/31/2023
CLB	66	$1	12/31/2023
Sachetta LLC	32	$1	12/31/2023
CLB	32	$1	12/31/2023
Harbour Investments Inc.	8	$0	12/31/2023
CLB	8	$0	12/31/2023
Nisa Investment Advisors LLC	18	$0	12/31/2023
CLB	18	$0	12/31/2023
Parkside Financial Bank & Trust	13	$0	12/31/2023
CLB	13	$0	12/31/2023
Avion Wealth	27	$0	12/31/2023
CLB	27	$0	12/31/2023

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

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