There is a long list of 637 institutional holders of OC within the last two holding periods in our database of 13F filers, so we've sorted through to present to you just the top 50 institutional holders of OC by largest to smallest position reported in the institutional investor's latest 13F filing. In the institutional-holders-of-OC table below, the initial column indicates the name of each top institutional holder of OC, with a link to that fund's top holdings. The next columns indicate the amount of OC stock held by each of the institutional holders of OC, followed by the OC position size held by the institution, and finally the date of the quarterly 13F filing period the holdings data represents for that institution.

Holder	Amount	Position Size ($ in 1000's)	As of
BlackRock Inc.	10,973,591	$1,626,615	12/31/2023
OC	10,973,591	$1,626,615	12/31/2023
Vanguard Group Inc.	9,104,618	$1,349,578	12/31/2023
OC	9,104,618	$1,349,578	12/31/2023
State Street Corp	4,126,020	$611,600	12/31/2023
OC	4,126,020	$611,600	12/31/2023
Davis Selected Advisers	2,685,808	$398,120	12/31/2023
OC	2,685,808	$398,120	12/31/2023
Dimensional Fund Advisors LP	2,305,255	$341,713	12/31/2023
OC	2,305,255	$341,713	12/31/2023
LSV Asset Management	2,272,150	$336,801	12/31/2023
OC	2,272,150	$336,801	12/31/2023
AQR Capital Management LLC	1,654,447	$245,239	12/31/2023
OC	1,654,447	$245,239	12/31/2023
Invesco Ltd.	1,521,093	$225,472	12/31/2023
OC	1,521,093	$225,472	12/31/2023
Victory Capital Management Inc.	1,481,937	$219,668	12/31/2023
OC	1,481,937	$219,668	12/31/2023
Geode Capital Management LLC	1,462,824	$216,485	12/31/2023
OC	1,462,824	$216,485	12/31/2023
FMR LLC	1,238,451	$183,576	12/31/2023
OC	1,238,451	$183,576	12/31/2023
Allianz Asset Management GmbH	1,057,518	$156,756	12/31/2023
OC	1,057,518	$156,756	12/31/2023
Bank of New York Mellon Corp	1,024,175	$151,813	12/31/2023
OC	1,024,175	$151,813	12/31/2023
Ameriprise Financial Inc.	966,579	$143,270	12/31/2023
OC	966,579	$143,270	12/31/2023
Amundi	937,283	$139,556	12/31/2023
OC	937,283	$139,556	12/31/2023
Northern Trust Corp	925,242	$137,149	12/31/2023
OC	925,242	$137,149	12/31/2023
Bank of America Corp DE	882,943	$130,879	12/31/2023
OC	882,943	$130,879	12/31/2023
Deutsche Bank AG	877,036	$130,003	12/31/2023
OC	877,036	$130,003	12/31/2023
Pacer Advisors Inc.	832,594	$123,415	12/31/2023
OC	832,594	$123,415	12/31/2023
Morgan Stanley	824,552	$122,224	12/31/2023
OC	824,552	$122,224	12/31/2023
Norges Bank	797,753	$118,251	12/31/2023
OC	797,753	$118,251	12/31/2023
Citadel Advisors LLC		$115,862	12/31/2023
OC	778,442	$115,388	12/31/2023
Call	30,300	$4,491	12/31/2023
Put	27,100	$4,017	12/31/2023
Zurcher Kantonalbank Zurich Cantonalbank	732,890	$108,636	12/31/2023
OC	732,890	$108,636	12/31/2023
Nordea Investment Management AB	717,743	$106,556	12/31/2023
OC	717,743	$106,556	12/31/2023
Skandinaviska Enskilda Banken AB publ	662,924	$98,265	12/31/2023
OC	662,924	$98,265	12/31/2023
Man Group plc	634,538	$94,058	12/31/2023
OC	634,538	$94,058	12/31/2023
Charles Schwab Investment Management Inc.	594,132	$88,068	12/31/2023
OC	594,132	$88,068	12/31/2023
Nuveen Asset Management LLC	575,762	$85,345	12/31/2023
OC	575,762	$85,345	12/31/2023
DekaBank Deutsche Girozentrale	515,387	$85,178	03/31/2024
OC	515,387	$85,178	03/31/2024
Legal & General Group Plc	540,842	$80,169	12/31/2023
OC	540,842	$80,169	12/31/2023
Caisse DE Depot ET Placement DU Quebec	531,559	$78,793	12/31/2023
OC	531,559	$78,793	12/31/2023
Federated Hermes Inc.	530,802	$78,681	12/31/2023
OC	530,802	$78,681	12/31/2023
Franklin Resources Inc.	515,262	$76,377	12/31/2023
OC	515,262	$76,377	12/31/2023
Empower Advisory Group LLC	510,604	$75,687	12/31/2023
OC	510,604	$75,687	12/31/2023
UBS Asset Management Americas Inc.	501,398	$74,322	12/31/2023
OC	501,398	$74,322	12/31/2023
Millennium Management LLC	493,186	$73,105	12/31/2023
OC	493,186	$73,105	12/31/2023
AustralianSuper Pty Ltd	485,616	$71,983	12/31/2023
OC	485,616	$71,983	12/31/2023
Schroder Investment Management Group	421,308	$62,450	12/31/2023
OC	421,308	$62,450	12/31/2023
First Trust Advisors LP	402,392	$59,647	12/31/2023
OC	402,392	$59,647	12/31/2023
Robeco Institutional Asset Management B.V.	331,912	$55,363	03/31/2024
OC	331,912	$55,363	03/31/2024
Principal Financial Group Inc.	335,528	$49,735	12/31/2023
OC	335,528	$49,735	12/31/2023
JPMorgan Chase & Co.	330,653	$49,013	12/31/2023
OC	330,653	$49,013	12/31/2023
Robecosam AG	325,000	$48,175	12/31/2023
OC	325,000	$48,175	12/31/2023
American Century Companies Inc.	324,357	$48,079	12/31/2023
OC	324,357	$48,079	12/31/2023
Barclays PLC	306,338	$45,411	12/31/2023
OC	306,338	$45,411	12/31/2023
Standard Life Aberdeen plc	304,867	$45,190	12/31/2023
OC	304,867	$45,190	12/31/2023
Russell Investments Group Ltd.	302,260	$44,807	12/31/2023
OC	302,260	$44,807	12/31/2023
Swiss National Bank	280,900	$41,638	12/31/2023
OC	280,900	$41,638	12/31/2023
BNP PARIBAS ASSET MANAGEMENT Holding S.A.	276,845	$41,037	12/31/2023
OC	276,845	$41,037	12/31/2023
Prudential Financial Inc.	273,622	$40,559	12/31/2023
OC	273,622	$40,559	12/31/2023