On this page, we present all of the funds holding IOSP from our database of 13F filers, detailed in the table below. The first column indicates the name of each of the funds holding IOSP, with a link to that fund's top holdings. The next columns indicate the amount of IOSP stock held by each of the funds holding IOSP, followed by the IOSP position size held by the fund, and lastly the date of the quarterly filing period the data represents. In total, we count 224 funds holding IOSP 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 IOSP), click the fund name in the "Holder" column of the funds-holding-IOSP table below.

Holder	Amount	Position Size ($ in 1000's)	As of
BlackRock Inc.	3,974,345	$489,798	12/31/2023
IOSP	3,974,345	$489,798	12/31/2023
Vanguard Group Inc.	2,953,918	$364,041	12/31/2023
IOSP	2,953,918	$364,041	12/31/2023
Allspring Global Investments Holdings LLC	2,318,589	$298,959	03/31/2024
IOSP	2,318,589	$298,959	03/31/2024
Wasatch Advisors Inc.	1,972,110	$254,284	03/31/2024
IOSP	1,972,110	$254,284	03/31/2024
Dimensional Fund Advisors LP	1,215,525	$149,803	12/31/2023
IOSP	1,215,525	$149,803	12/31/2023
Victory Capital Management Inc.	1,023,632	$126,152	12/31/2023
IOSP	1,023,632	$126,152	12/31/2023
State Street Corp	959,907	$118,299	12/31/2023
IOSP	959,907	$118,299	12/31/2023
Royce & Associates LP	824,125	$101,565	12/31/2023
IOSP	824,125	$101,565	12/31/2023
Champlain Investment Partners LLC	779,565	$96,074	12/31/2023
IOSP	779,565	$96,074	12/31/2023
Geode Capital Management LLC	591,737	$72,934	12/31/2023
IOSP	591,737	$72,934	12/31/2023
Janus Henderson Group PLC	581,053	$71,610	12/31/2023
IOSP	581,053	$71,610	12/31/2023
Nuveen Asset Management LLC	464,532	$57,249	12/31/2023
IOSP	464,532	$57,249	12/31/2023
Northern Trust Corp	401,422	$49,471	12/31/2023
IOSP	401,422	$49,471	12/31/2023
Charles Schwab Investment Management Inc.	307,490	$37,895	12/31/2023
IOSP	307,490	$37,895	12/31/2023
Invesco Ltd.	287,050	$35,376	12/31/2023
IOSP	287,050	$35,376	12/31/2023
Westwood Holdings Group Inc.	272,000	$33,521	12/31/2023
IOSP	272,000	$33,521	12/31/2023
Bank of New York Mellon Corp	263,055	$32,419	12/31/2023
IOSP	263,055	$32,419	12/31/2023
Goldman Sachs Group Inc.	248,344	$30,606	12/31/2023
IOSP	248,344	$30,606	12/31/2023
Morgan Stanley	219,406	$27,040	12/31/2023
IOSP	219,406	$27,040	12/31/2023
Norges Bank	210,359	$25,925	12/31/2023
IOSP	210,359	$25,925	12/31/2023
Eagle Asset Management Inc.	198,344	$24,444	12/31/2023
IOSP	198,344	$24,444	12/31/2023
Bank of America Corp DE	183,684	$22,637	12/31/2023
IOSP	183,684	$22,637	12/31/2023
Voya Investment Management LLC	149,287	$18,398	12/31/2023
IOSP	149,287	$18,398	12/31/2023
Telemark Asset Management LLC	147,000	$18,116	12/31/2023
IOSP	147,000	$18,116	12/31/2023
Principal Financial Group Inc.	135,189	$16,661	12/31/2023
IOSP	135,189	$16,661	12/31/2023
Sei Investments Co.	132,256	$16,299	12/31/2023
IOSP	132,256	$16,299	12/31/2023
JPMorgan Chase & Co.	129,900	$16,009	12/31/2023
IOSP	129,900	$16,009	12/31/2023
Bessemer Group Inc.	118,146	$14,561	12/31/2023
IOSP	118,146	$14,561	12/31/2023
Acadian Asset Management LLC	99,425	$12,239	12/31/2023
IOSP	99,425	$12,239	12/31/2023
Raymond James & Associates	84,196	$10,856	03/31/2024
IOSP	84,196	$10,856	03/31/2024
Ameriprise Financial Inc.	87,138	$10,739	12/31/2023
IOSP	87,138	$10,739	12/31/2023
Segall Bryant & Hamill LLC	87,043	$10,727	12/31/2023
IOSP	87,043	$10,727	12/31/2023
Kirr Marbach & Co. LLC IN	78,336	$10,101	03/31/2024
IOSP	78,336	$10,101	03/31/2024
Hotchkis & Wiley Capital Management LLC	79,800	$9,835	12/31/2023
IOSP	79,800	$9,835	12/31/2023
Osterweis Capital Management Inc.	79,610	$9,811	12/31/2023
IOSP	79,610	$9,811	12/31/2023
Algert Global LLC	76,327	$9,407	12/31/2023
IOSP	76,327	$9,407	12/31/2023
Rhumbline Advisers	75,386	$9,291	12/31/2023
IOSP	75,386	$9,291	12/31/2023
Legal & General Group Plc	70,721	$8,716	12/31/2023
IOSP	70,721	$8,716	12/31/2023
Leeward Investments LLC MA	66,548	$8,581	03/31/2024
IOSP	66,548	$8,581	03/31/2024
Thrivent Financial for Lutherans	65,208	$8,036	12/31/2023
IOSP	65,208	$8,036	12/31/2023
Assenagon Asset Management S.A.	60,528	$7,804	03/31/2024
IOSP	60,528	$7,804	03/31/2024
Millennium Management LLC	60,170	$7,415	12/31/2023
IOSP	60,170	$7,415	12/31/2023
Wells Fargo & Company MN	60,061	$7,402	12/31/2023
IOSP	60,061	$7,402	12/31/2023
UBS Group AG	57,410	$7,075	12/31/2023
IOSP	57,410	$7,075	12/31/2023
Huber Capital Management LLC	56,786	$6,998	12/31/2023
IOSP	56,786	$6,998	12/31/2023
Credit Suisse AG	56,667	$6,984	12/31/2023
IOSP	56,667	$6,984	12/31/2023
Public Sector Pension Investment Board	51,602	$6,359	12/31/2023
IOSP	51,602	$6,359	12/31/2023
Panagora Asset Management Inc.	49,113	$6,053	12/31/2023
IOSP	49,113	$6,053	12/31/2023
Swiss National Bank	49,003	$6,039	12/31/2023
IOSP	49,003	$6,039	12/31/2023
Moran Wealth Management LLC	46,869	$5,776	12/31/2023
IOSP	46,869	$5,776	12/31/2023
ZWJ Investment Counsel Inc.	41,936	$5,168	12/31/2023
IOSP	41,936	$5,168	12/31/2023
Barclays PLC	39,225	$4,834	12/31/2023
IOSP	39,225	$4,834	12/31/2023
B. Metzler seel. Sohn & Co. AG	37,652	$4,640	12/31/2023
IOSP	37,652	$4,640	12/31/2023
UBS Asset Management Americas Inc.	37,401	$4,609	12/31/2023
IOSP	37,401	$4,609	12/31/2023
Royal Bank of Canada	37,115	$4,575	12/31/2023
IOSP	37,115	$4,575	12/31/2023
Bahl & Gaynor Inc.	36,001	$4,437	12/31/2023
IOSP	36,001	$4,437	12/31/2023
Connors Investor Services Inc.	32,849	$4,048	12/31/2023
IOSP	32,849	$4,048	12/31/2023
Evoke Wealth LLC	31,368	$3,866	12/31/2023
IOSP	31,368	$3,866	12/31/2023
FMR LLC	29,782	$3,670	12/31/2023
IOSP	29,782	$3,670	12/31/2023
Prudential Financial Inc.	28,744	$3,542	12/31/2023
IOSP	28,744	$3,542	12/31/2023
Alliancebernstein L.P.	28,671	$3,533	12/31/2023
IOSP	28,671	$3,533	12/31/2023
Great West Life Assurance Co. Can	28,024	$3,447	12/31/2023
IOSP	28,024	$3,447	12/31/2023
California State Teachers Retirement System	26,334	$3,245	12/31/2023
IOSP	26,334	$3,245	12/31/2023
State Board of Administration of Florida Retirement System	25,367	$3,126	12/31/2023
IOSP	25,367	$3,126	12/31/2023
Envestnet Asset Management Inc.	24,110	$2,971	12/31/2023
IOSP	24,110	$2,971	12/31/2023
Qube Research & Technologies Ltd	23,642	$2,914	12/31/2023
IOSP	23,642	$2,914	12/31/2023
State of New Jersey Common Pension Fund D	22,991	$2,833	12/31/2023
IOSP	22,991	$2,833	12/31/2023
American Century Companies Inc.	21,494	$2,649	12/31/2023
IOSP	21,494	$2,649	12/31/2023
Texas Permanent School Fund	21,481	$2,647	12/31/2023
IOSP	21,481	$2,647	12/31/2023
Oppenheimer Asset Management Inc.	20,912	$2,577	12/31/2023
IOSP	20,912	$2,577	12/31/2023
State of Tennessee Treasury Department	20,658	$2,546	12/31/2023
IOSP	20,658	$2,546	12/31/2023
Round Hill Asset Management	20,379	$2,512	12/31/2023
IOSP	20,379	$2,512	12/31/2023
Public Employees Retirement System of Ohio	19,421	$2,393	12/31/2023
IOSP	19,421	$2,393	12/31/2023
BNP Paribas Arbitrage SA	18,826	$2,320	12/31/2023
IOSP	18,826	$2,320	12/31/2023
Skandinaviska Enskilda Banken AB publ	18,700	$2,305	12/31/2023
IOSP	18,700	$2,305	12/31/2023
AQR Capital Management LLC	18,444	$2,273	12/31/2023
IOSP	18,444	$2,273	12/31/2023
GSA Capital Partners LLP	16,767	$2,066	12/31/2023
IOSP	16,767	$2,066	12/31/2023
Price T Rowe Associates Inc. MD	16,312	$2,011	12/31/2023
IOSP	16,312	$2,011	12/31/2023
Citigroup Inc.	15,898	$1,959	12/31/2023
IOSP	15,898	$1,959	12/31/2023
State of Alaska Department of Revenue	15,148	$1,953	03/31/2024
IOSP	15,148	$1,953	03/31/2024
Franklin Resources Inc.	15,771	$1,944	12/31/2023
IOSP	15,771	$1,944	12/31/2023
QSV Equity Investors LLC	15,305	$1,886	12/31/2023
IOSP	15,305	$1,886	12/31/2023
New York State Teachers Retirement System	15,110	$1,862	12/31/2023
IOSP	15,110	$1,862	12/31/2023
Illinois Municipal Retirement Fund	14,065	$1,733	12/31/2023
IOSP	14,065	$1,733	12/31/2023
American International Group Inc.	13,578	$1,673	12/31/2023
IOSP	13,578	$1,673	12/31/2023
Deutsche Bank AG	13,453	$1,658	12/31/2023
IOSP	13,453	$1,658	12/31/2023
Martingale Asset Management L P	13,207	$1,628	12/31/2023
IOSP	13,207	$1,628	12/31/2023
MetLife Investment Management LLC	13,161	$1,622	12/31/2023
IOSP	13,161	$1,622	12/31/2023
Louisiana State Employees Retirement System	12,300	$1,586	03/31/2024
IOSP	12,300	$1,586	03/31/2024
First Trust Advisors LP	12,344	$1,521	12/31/2023
IOSP	12,344	$1,521	12/31/2023
The Manufacturers Life Insurance Company	12,320	$1,518	12/31/2023
IOSP	12,320	$1,518	12/31/2023
Two Sigma Advisers LP	12,300	$1,516	12/31/2023
IOSP	12,300	$1,516	12/31/2023
Yousif Capital Management LLC	12,295	$1,515	12/31/2023
IOSP	12,295	$1,515	12/31/2023
Edgestream Partners L.P.	11,755	$1,449	12/31/2023
IOSP	11,755	$1,449	12/31/2023
Ensign Peak Advisors Inc	11,722	$1,445	12/31/2023
IOSP	11,722	$1,445	12/31/2023
AMG National Trust Bank	11,595	$1,429	12/31/2023
IOSP	11,595	$1,429	12/31/2023
Linden Thomas Advisory Services LLC	11,589	$1,428	12/31/2023
IOSP	11,589	$1,428	12/31/2023
Putnam Investments LLC	11,557	$1,424	12/31/2023
IOSP	11,557	$1,424	12/31/2023
Mirae Asset Global Investments Co. Ltd.	11,551	$1,424	12/31/2023
IOSP	11,551	$1,424	12/31/2023
Comerica Bank	11,466	$1,413	12/31/2023
IOSP	11,466	$1,413	12/31/2023
PDT Partners LLC	11,245	$1,386	12/31/2023
IOSP	11,245	$1,386	12/31/2023
Jane Street Group LLC	10,818	$1,333	12/31/2023
IOSP	10,818	$1,333	12/31/2023
Teacher Retirement System of Texas	10,653	$1,313	12/31/2023
IOSP	10,653	$1,313	12/31/2023
Tredje AP fonden	10,499	$1,294	12/31/2023
IOSP	10,499	$1,294	12/31/2023
New York State Common Retirement Fund	10,300	$1,269	12/31/2023
IOSP	10,300	$1,269	12/31/2023
TD Asset Management Inc.	10,300	$1,269	12/31/2023
IOSP	10,300	$1,269	12/31/2023
Balyasny Asset Management LLC	10,034	$1,237	12/31/2023
IOSP	10,034	$1,237	12/31/2023
D. E. Shaw & Co. Inc.	10,008	$1,233	12/31/2023
IOSP	10,008	$1,233	12/31/2023
Canada Pension Plan Investment Board	9,813	$1,209	12/31/2023
IOSP	9,813	$1,209	12/31/2023
Jefferies Financial Group Inc.	9,552	$1,177	12/31/2023
IOSP	9,552	$1,177	12/31/2023
James Investment Research Inc.	9,512	$1,172	12/31/2023
IOSP	9,512	$1,172	12/31/2023
Strs Ohio	9,500	$1,170	12/31/2023
IOSP	9,500	$1,170	12/31/2023
Bank of Montreal Can	8,744	$1,094	12/31/2023
IOSP	8,744	$1,094	12/31/2023
Maryland State Retirement & Pension System	8,960	$1,089	03/31/2024
IOSP	8,960	$1,089	03/31/2024
Susquehanna International Group LLP	8,655	$1,067	12/31/2023
IOSP	8,655	$1,067	12/31/2023
Summit Global Investments	8,574	$1,057	12/31/2023
IOSP	8,574	$1,057	12/31/2023
ExodusPoint Capital Management LP	8,301	$1,023	12/31/2023
IOSP	8,301	$1,023	12/31/2023
Amundi	8,818	$1,018	12/31/2023
IOSP	8,818	$1,018	12/31/2023
Tower Research Capital LLC TRC	8,202	$1,011	12/31/2023
IOSP	8,202	$1,011	12/31/2023
Amalgamated Bank	7,736	$997	03/31/2024
IOSP	7,736	$997	03/31/2024
Teachers Retirement System of The State of Kentucky	7,854	$968	12/31/2023
IOSP	7,854	$968	12/31/2023
Gotham Asset Management LLC	7,720	$951	12/31/2023
IOSP	7,720	$951	12/31/2023
Russell Investments Group Ltd.	7,365	$908	12/31/2023
IOSP	7,365	$908	12/31/2023
Oregon Public Employees Retirement Fund	7,255	$894	12/31/2023
IOSP	7,255	$894	12/31/2023
Arizona State Retirement System	6,952	$857	12/31/2023
IOSP	6,952	$857	12/31/2023
First Hawaiian Bank	6,573	$848	03/31/2024
IOSP	6,573	$848	03/31/2024
Inspire Advisors LLC	6,844	$844	12/31/2023
IOSP	6,844	$844	12/31/2023
Engineers Gate Manager LP	6,561	$809	12/31/2023
IOSP	6,561	$809	12/31/2023
Diversified Trust Co	6,217	$802	03/31/2024
IOSP	6,217	$802	03/31/2024
Legacy Wealth Asset Management LLC	5,492	$708	03/31/2024
IOSP	5,492	$708	03/31/2024
Aviva PLC	5,498	$678	12/31/2023
IOSP	5,498	$678	12/31/2023
SG Americas Securities LLC	5,413	$667	12/31/2023
IOSP	5,413	$667	12/31/2023
Commonwealth of Pennsylvania Public School Empls Retrmt SYS	5,366	$661	12/31/2023
IOSP	5,366	$661	12/31/2023
Keybank National Association OH	5,295	$653	12/31/2023
IOSP	5,295	$653	12/31/2023
Bell & Brown Wealth Advisors LLC	5,216	$643	12/31/2023
IOSP	5,216	$643	12/31/2023
LPL Financial LLC	5,163	$636	12/31/2023
IOSP	5,163	$636	12/31/2023
Two Sigma Investments LP	4,851	$598	12/31/2023
IOSP	4,851	$598	12/31/2023
Zurcher Kantonalbank Zurich Cantonalbank	4,820	$594	12/31/2023
IOSP	4,820	$594	12/31/2023
HGK Asset Management Inc.	4,693	$578	12/31/2023
IOSP	4,693	$578	12/31/2023
ProShare Advisors LLC	4,683	$577	12/31/2023
IOSP	4,683	$577	12/31/2023
Ballentine Partners LLC	4,408	$568	03/31/2024
IOSP	4,408	$568	03/31/2024
Mutual of America Capital Management LLC	4,352	$536	12/31/2023
IOSP	4,352	$536	12/31/2023
Everence Capital Management Inc.	4,330	$534	12/31/2023
IOSP	4,330	$534	12/31/2023
Campbell & CO Investment Adviser LLC	4,093	$504	12/31/2023
IOSP	4,093	$504	12/31/2023
Jump Financial LLC	4,087	$504	12/31/2023
IOSP	4,087	$504	12/31/2023
Allianz Asset Management GmbH	3,961	$488	12/31/2023
IOSP	3,961	$488	12/31/2023
Los Angeles Capital Management & Equity Research Inc.	3,651	$471	03/31/2024
IOSP	3,651	$471	03/31/2024
O Shaughnessy Asset Management LLC	3,793	$467	12/31/2023
IOSP	3,793	$467	12/31/2023
Public Employees Retirement Association of Colorado	3,555	$438	12/31/2023
IOSP	3,555	$438	12/31/2023
Ethic Inc.	3,494	$431	12/31/2023
IOSP	3,494	$431	12/31/2023
Hancock Whitney Corp	3,425	$422	12/31/2023
IOSP	3,425	$422	12/31/2023
Cubist Systematic Strategies LLC	3,406	$420	12/31/2023
IOSP	3,406	$420	12/31/2023
Stifel Financial Corp	3,363	$414	12/31/2023
IOSP	3,363	$414	12/31/2023
New York Life Investment Management LLC	3,362	$414	12/31/2023
IOSP	3,362	$414	12/31/2023
Schonfeld Strategic Advisors LLC	3,340	$412	12/31/2023
IOSP	3,340	$412	12/31/2023
Man Group plc	3,297	$406	12/31/2023
IOSP	3,297	$406	12/31/2023
CWM Advisors LLC	3,129	$386	12/31/2023
IOSP	3,129	$386	12/31/2023
Mackenzie Financial Corp	3,024	$373	12/31/2023
IOSP	3,024	$373	12/31/2023
Creative Planning	2,984	$368	12/31/2023
IOSP	2,984	$368	12/31/2023
Advisor Group Holdings Inc.	2,936	$362	12/31/2023
IOSP	2,936	$362	12/31/2023
Pathstone Holdings LLC	2,832	$349	12/31/2023
IOSP	2,832	$349	12/31/2023
Pictet Asset Management Holding SA	2,770	$341	12/31/2023
IOSP	2,770	$341	12/31/2023
Contravisory Investment Management Inc.	2,478	$320	03/31/2024
IOSP	2,478	$320	03/31/2024
Renaissance Technologies LLC	2,600	$320	12/31/2023
IOSP	2,600	$320	12/31/2023
Ameritas Investment Partners Inc.	2,584	$318	12/31/2023
IOSP	2,584	$318	12/31/2023
Raymond James Trust N.A.	2,494	$307	12/31/2023
IOSP	2,494	$307	12/31/2023
Quest Partners LLC	2,470	$304	12/31/2023
IOSP	2,470	$304	12/31/2023
Grandfield & Dodd LLC	2,400	$296	12/31/2023
IOSP	2,400	$296	12/31/2023
State of Wisconsin Investment Board	2,358	$291	12/31/2023
IOSP	2,358	$291	12/31/2023
Baird Financial Group Inc.	2,349	$289	12/31/2023
IOSP	2,349	$289	12/31/2023
HighTower Advisors LLC	2,351	$288	12/31/2023
IOSP	2,351	$288	12/31/2023
Dakota Wealth Management	2,279	$281	12/31/2023
IOSP	2,279	$281	12/31/2023
CI Private Wealth LLC	2,218	$273	12/31/2023
IOSP	2,218	$273	12/31/2023
Boston Private Wealth LLC	2,184	$269	12/31/2023
IOSP	2,184	$269	12/31/2023
Toroso Investments LLC	2,092	$258	12/31/2023
IOSP	2,092	$258	12/31/2023
Evergreen Capital Management LLC	2,069	$255	12/31/2023
IOSP	2,069	$255	12/31/2023
Wolverine Trading LLC		$246	12/31/2023
Call	2,000	$246	12/31/2023
Tocqueville Asset Management L.P.	1,990	$245	12/31/2023
IOSP	1,990	$245	12/31/2023
Nisa Investment Advisors LLC	1,960	$242	12/31/2023
IOSP	1,960	$242	12/31/2023
Crossmark Global Holdings Inc.	1,941	$239	12/31/2023
IOSP	1,941	$239	12/31/2023
The PNC Financial Services Group Inc.	1,659	$204	12/31/2023
IOSP	1,659	$204	12/31/2023
Cetera Advisor Networks LLC	1,630	$201	12/31/2023
IOSP	1,630	$201	12/31/2023
Centiva Capital LP	1,628	$201	12/31/2023
IOSP	1,628	$201	12/31/2023
Shell Asset Management Co.	1,573	$194	12/31/2023
IOSP	1,573	$194	12/31/2023
Aquatic Capital Management LLC	1,500	$185	12/31/2023
IOSP	1,500	$185	12/31/2023
Metropolitan Life Insurance Co NY	1,437	$177	12/31/2023
IOSP	1,437	$177	12/31/2023
Signaturefd LLC	944	$116	12/31/2023
IOSP	944	$116	12/31/2023
HM Payson & Co.	909	$112	12/31/2023
IOSP	909	$112	12/31/2023
Citadel Advisors LLC		$86	12/31/2023
Call	1,300	$160	12/31/2023
Put	600	$74	12/31/2023
GWM Advisors LLC	701	$86	12/31/2023
IOSP	701	$86	12/31/2023
KBC Group NV	678	$84	12/31/2023
IOSP	678	$84	12/31/2023
Smartleaf Asset Management LLC	707	$81	12/31/2023
IOSP	707	$81	12/31/2023
US Bancorp DE	648	$80	12/31/2023
IOSP	648	$80	12/31/2023
Covestor Ltd	549	$68	12/31/2023
IOSP	549	$68	12/31/2023
Parallel Advisors LLC	518	$64	12/31/2023
IOSP	518	$64	12/31/2023
GAMMA Investing LLC	452	$58	03/31/2024
IOSP	452	$58	03/31/2024
Allworth Financial LP	406	$50	12/31/2023
IOSP	406	$50	12/31/2023
Point72 Asia Singapore Pte. Ltd.	340	$42	12/31/2023
IOSP	340	$42	12/31/2023
Quadrant Capital Group LLC	315	$39	12/31/2023
IOSP	315	$39	12/31/2023
TFO TDC LLC	299	$37	12/31/2023
IOSP	299	$37	12/31/2023
Global Retirement Partners LLC	202	$26	03/31/2024
IOSP	202	$26	03/31/2024
CWM LLC	187	$24	03/31/2024
IOSP	187	$24	03/31/2024
Creekmur Asset Management LLC	189	$23	12/31/2023
IOSP	189	$23	12/31/2023
SYSTM Wealth Solutions LLC	159	$20	12/31/2023
IOSP	159	$20	12/31/2023
West Paces Advisors Inc.	150	$19	03/31/2024
IOSP	150	$19	03/31/2024
Hexagon Capital Partners LLC	124	$16	03/31/2024
IOSP	124	$16	03/31/2024
Lindbrook Capital LLC	102	$13	12/31/2023
IOSP	102	$13	12/31/2023
First Horizon Advisors Inc.	53	$7	12/31/2023
IOSP	53	$7	12/31/2023
Ronald Blue Trust Inc.	45	$6	12/31/2023
IOSP	45	$6	12/31/2023
Federated Hermes Inc.	40	$5	12/31/2023
IOSP	40	$5	12/31/2023
Mitsubishi UFJ Kokusai Asset Management Co. Ltd.	42	$5	12/31/2023
IOSP	42	$5	12/31/2023
Bell Investment Advisors Inc	41	$5	12/31/2023
IOSP	41	$5	12/31/2023
LGT Financial Advisors LLC	42	$5	12/31/2023
IOSP	42	$5	12/31/2023
Fifth Third Bancorp	28	$4	03/31/2024
IOSP	28	$4	03/31/2024
JFS Wealth Advisors LLC	21	$3	12/31/2023
IOSP	21	$3	12/31/2023
Farmers & Merchants Investments Inc.	18	$2	03/31/2024
IOSP	18	$2	03/31/2024
Versant Capital Management Inc	17	$2	03/31/2024
IOSP	17	$2	03/31/2024
Northwestern Mutual Wealth Management Co.	20	$2	12/31/2023
IOSP	20	$2	12/31/2023
EverSource Wealth Advisors LLC	17	$2	12/31/2023
IOSP	17	$2	12/31/2023
SJS Investment Consulting Inc.	7	$1	03/31/2024
IOSP	7	$1	03/31/2024
Globeflex Capital L P	11	$1	12/31/2023
IOSP	11	$1	12/31/2023
Proequities Inc.		$0	12/31/2023
Put	0	$0	12/31/2023
Call	0	$0	12/31/2023
IOSP	0	$0	12/31/2023
Parkside Financial Bank & Trust	2	$0	12/31/2023
IOSP	2	$0	12/31/2023
DiNuzzo Private Wealth Inc.	4	$0	12/31/2023
IOSP	4	$0	12/31/2023
PEAK6 Investments LLC	503	$-308	12/31/2023
Put	3,000	$370	12/31/2023
IOSP	503	$62	12/31/2023

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

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IOSP — Performance