There is a long list of 135 institutional holders of OM 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 OM by largest to smallest position reported in the institutional investor's latest 13F filing. In the institutional-holders-of-OM table below, the initial column indicates the name of each top institutional holder of OM, with a link to that fund's top holdings. The next columns indicate the amount of OM stock held by each of the institutional holders of OM, followed by the OM 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
FMR LLC	7,066,782	$38,231	12/31/2023
OM	7,066,782	$38,231	12/31/2023
JPMorgan Chase & Co.	4,961,199	$26,840	12/31/2023
OM	4,961,199	$26,840	12/31/2023
Vanguard Group Inc.	3,941,367	$21,323	12/31/2023
OM	3,941,367	$21,323	12/31/2023
Morgan Stanley	3,868,064	$20,926	12/31/2023
OM	3,868,064	$20,926	12/31/2023
BlackRock Inc.	3,795,419	$20,533	12/31/2023
OM	3,795,419	$20,533	12/31/2023
T. Rowe Price Investment Management Inc.	3,166,747	$17,133	12/31/2023
OM	3,166,747	$17,133	12/31/2023
Ameriprise Financial Inc.	2,982,490	$16,135	12/31/2023
OM	2,982,490	$16,135	12/31/2023
Braidwell LP	2,400,427	$12,986	12/31/2023
OM	2,400,427	$12,986	12/31/2023
Bellevue Group AG	1,760,134	$9,522	12/31/2023
OM	1,760,134	$9,522	12/31/2023
Mubadala Investment Co PJSC	1,440,601	$7,794	12/31/2023
OM	1,440,601	$7,794	12/31/2023
Geode Capital Management LLC	1,076,757	$5,826	12/31/2023
OM	1,076,757	$5,826	12/31/2023
State Street Corp	1,038,800	$5,620	12/31/2023
OM	1,038,800	$5,620	12/31/2023
PFM Health Sciences LP	999,259	$5,406	12/31/2023
OM	999,259	$5,406	12/31/2023
D. E. Shaw & Co. Inc.	831,752	$4,500	12/31/2023
OM	831,752	$4,500	12/31/2023
Millennium Management LLC	809,584	$4,380	12/31/2023
OM	809,584	$4,380	12/31/2023
Massachusetts Financial Services Co. MA	707,558	$3,828	12/31/2023
OM	707,558	$3,828	12/31/2023
Norges Bank	461,400	$2,496	12/31/2023
OM	461,400	$2,496	12/31/2023
Citadel Advisors LLC		$2,363	12/31/2023
OM	437,833	$2,369	12/31/2023
Put	10,800	$58	12/31/2023
Call	9,700	$52	12/31/2023
Northern Trust Corp	428,718	$2,319	12/31/2023
OM	428,718	$2,319	12/31/2023
C WorldWide Group Holding A S	1,000,000	$2,220	03/31/2024
OM	1,000,000	$2,220	03/31/2024
Assenagon Asset Management S.A.	944,845	$2,098	03/31/2024
OM	944,845	$2,098	03/31/2024
Two Sigma Investments LP	372,660	$2,016	12/31/2023
OM	372,660	$2,016	12/31/2023
Ensign Peak Advisors Inc	363,400	$1,966	12/31/2023
OM	363,400	$1,966	12/31/2023
Charles Schwab Investment Management Inc.	338,574	$1,832	12/31/2023
OM	338,574	$1,832	12/31/2023
Renaissance Technologies LLC	332,400	$1,798	12/31/2023
OM	332,400	$1,798	12/31/2023
Bank of New York Mellon Corp	771,531	$1,713	03/31/2024
OM	771,531	$1,713	03/31/2024
Jacobs Levy Equity Management Inc.	306,750	$1,660	12/31/2023
OM	306,750	$1,660	12/31/2023
Lazard Asset Management LLC	257,143	$1,391	12/31/2023
OM	257,143	$1,391	12/31/2023
Bank of America Corp DE	247,415	$1,339	12/31/2023
OM	247,415	$1,339	12/31/2023
Goldman Sachs Group Inc.	237,807	$1,287	12/31/2023
OM	237,807	$1,287	12/31/2023
GSA Capital Partners LLP	540,571	$1,200	03/31/2024
OM	540,571	$1,200	03/31/2024
Qube Research & Technologies Ltd	203,230	$1,099	12/31/2023
OM	203,230	$1,099	12/31/2023
Dimensional Fund Advisors LP	186,608	$1,010	12/31/2023
OM	186,608	$1,010	12/31/2023
PDT Partners LLC	172,672	$934	12/31/2023
OM	172,672	$934	12/31/2023
Acadian Asset Management LLC	166,013	$896	12/31/2023
OM	166,013	$896	12/31/2023
Federated Hermes Inc.	165,597	$896	12/31/2023
OM	165,597	$896	12/31/2023
Jane Street Group LLC		$876	12/31/2023
OM	228,331	$1,235	12/31/2023
Put	66,400	$359	12/31/2023
HRT Financial LP	152,394	$824	12/31/2023
OM	152,394	$824	12/31/2023
Two Sigma Advisers LP	141,200	$764	12/31/2023
OM	141,200	$764	12/31/2023
Squarepoint Ops LLC	129,765	$702	12/31/2023
OM	129,765	$702	12/31/2023
Nuveen Asset Management LLC	129,156	$699	12/31/2023
OM	129,156	$699	12/31/2023
TD Asset Management Inc.	92,634	$501	12/31/2023
OM	92,634	$501	12/31/2023
Susquehanna Portfolio Strategies LLC	211,119	$469	03/31/2024
OM	211,119	$469	03/31/2024
State of Wisconsin Investment Board	75,900	$411	12/31/2023
OM	75,900	$411	12/31/2023
Occudo Quantitative Strategies LP	74,948	$405	12/31/2023
OM	74,948	$405	12/31/2023
ExodusPoint Capital Management LP	73,519	$398	12/31/2023
OM	73,519	$398	12/31/2023
Barclays PLC	68,612	$370	12/31/2023
OM	68,612	$370	12/31/2023
Simplex Trading LLC		$364	03/31/2024
Call	142,700	$316	03/31/2024
OM	40,304	$89	03/31/2024
Put	18,700	$41	03/31/2024
Rhumbline Advisers	66,445	$359	12/31/2023
OM	66,445	$359	12/31/2023
Wells Fargo & Company MN	62,412	$338	12/31/2023
OM	62,412	$338	12/31/2023

See All: Funds Holding OM
See Details: Top 10 Hedge Funds Holding OM
Also See: OM Insider Buying
Also See: OM Holdings Changes

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