Organon & Co. (OGN) Institutional Ownership

$13.64 +0.02 (+0.11%)

Closing price 09/11/2026 03:58 PM Eastern

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$13.64 -0.01 (-0.07%)

As of 09/11/2026 07:30 PM Eastern

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Current Institutional Ownership Percentage: 77.43%
Number of Institutional Buyers (last 12 months): 183
Total Institutional Inflows (last 12 months): $377.37M

Number of Institutional Sellers (last 12 months): 159
Total Institutional Outflows (last 12 months): $245.68M

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OGN Institutional Buying and Selling by Quarter

Organon & Co. Major Shareholders & Ownership History

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Reporting Date	Major Shareholder Name	Shares Held	Market Value	% of Portfolio	Quarterly Change in Shares	Ownership in Company
9/9/2026	Sequoia Financial Advisors LLC	19,697	$267K	0.0%	N/A	0.008%
9/9/2026	Tidal Investments LLC	285,099	$3.86M	0.0%	+18.1%	0.109%
9/9/2026	WINTON GROUP Ltd	509,862	$6.90M	0.2%	N/A	0.194%
9/9/2026	Engineers Gate Manager LP	52,692	$713K	0.0%	N/A	0.020%
9/9/2026	Integrated Wealth Concepts LLC	56,076	$759K	0.0%	-34.5%	0.021%
9/9/2026	Maven Securities LTD	434,200	$5.88M	0.1%	N/A	0.165%
9/9/2026	IFP Advisors Inc	22,053	$299K	0.0%	+915.3%	0.008%
9/9/2026	Squarepoint Ops LLC	390,232	$5.28M	0.0%	-57.5%	0.149%
9/8/2026	Allworth Financial LP	5,072	$69K	0.0%	-14.9%	0.002%
9/8/2026	Carmignac Gestion	448,606	$6.07M	0.1%	N/A	0.171%
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9/8/2026	Nykredit A S	5,641	$76K	0.0%	N/A	0.002%
8/27/2026	Corient Private Wealth LP	32,772	$444K	0.0%	-6.9%	0.012%
8/25/2026	Absolute Gestao de Investimentos Ltda.	665,230	$9.01M	0.9%	N/A	0.253%
8/25/2026	Groupe la Francaise	775,382	$10.50M	0.1%	N/A	0.295%
8/25/2026	VIRGINIA RETIREMENT SYSTEMS ET Al	56,850	$770K	0.0%	N/A	0.022%
8/24/2026	California State Teachers Retirement System	4,064,911	$55.04M	0.0%	+1,142.8%	1.548%
8/23/2026	Readystate Asset Management LP	351,863	$4.76M	0.2%	N/A	0.134%
8/23/2026	Wedmont Private Capital	10,055	$136K	0.0%	N/A	0.004%
8/23/2026	HB Wealth Management LLC	12,062	$163K	0.0%	-23.3%	0.005%
8/21/2026	Nykredit A S	5,641	$76K	0.0%	N/A	0.002%
8/21/2026	Triumph Capital Management	6,724	$91K	0.0%	-33.7%	0.003%
8/18/2026	Kahn Brothers Group Inc.	2,670,523	$36.16M	0.1%	N/A	1.017%
8/18/2026	Public Employees Retirement System of Ohio	74,611	$1.01M	0.0%	N/A	0.028%
7/10/2026	Handelsbanken Fonder AB	113,800	$1.54M	0.0%	+24.8%	0.043%
7/9/2026	Atlas Brown Inc.	11,307	$153K	0.0%	-85.9%	0.004%
7/9/2026	Allied Private Wealth LLC	2,464	$33K	0.0%	N/A	0.001%
7/7/2026	180 Wealth Advisors LLC	226,383	$3.07M	0.3%	-0.7%	0.086%
7/7/2026	GAMMA Investing LLC	5,782	$78K	0.0%	+69.8%	0.002%
5/22/2026	WNY Asset Management LLC	10,666	$64K	0.0%	N/A	0.004%
5/19/2026	Orographic Financial Advisors LLC	254,200	$1.52M	1.1%	N/A	0.097%
5/19/2026	Bank of America Corp DE	738,502	$4.42M	0.0%	-58.5%	0.281%
5/18/2026	ADAR1 Capital Management LLC	10,000	$60K	0.0%	-71.4%	0.004%
5/18/2026	Amundi	80,944	$485K	0.0%	+84.0%	0.031%
5/18/2026	California State Teachers Retirement System	327,075	$1.96M	0.0%	+34.8%	0.125%
5/18/2026	Royal Bank of Canada	299,663	$1.79M	0.0%	+8.5%	0.114%
5/16/2026	The Manufacturers Life Insurance Company	52,816	$316K	0.0%	+8.0%	0.020%
5/16/2026	Infrastructure Capital Advisors LLC	28,001	$168K	0.0%	+64.7%	0.011%
5/16/2026	Quantinno Capital Management LP	265,024	$1.59M	0.0%	-27.1%	0.101%
5/16/2026	SummitTX Capital L.P.	23,455	$140K	0.0%	N/A	0.009%
5/15/2026	OMERS ADMINISTRATION Corp	71,334	$427K	0.0%	+11.1%	0.027%
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5/14/2026	Public Employees Retirement System of Ohio	75,586	$453K	0.0%	-3.3%	0.029%
5/14/2026	Compound Planning Inc.	27,591	$165K	0.0%	-8.3%	0.011%
5/14/2026	Sei Investments Co.	190,057	$1.14M	0.0%	+82.0%	0.072%
5/14/2026	State of Wyoming	54,310	$325K	0.0%	+7.9%	0.021%
5/13/2026	Cetera Investment Advisers	48,073	$288K	0.0%	+1.7%	0.018%
5/13/2026	First Trust Advisors LP	3,227,320	$19.33M	0.0%	+78.1%	1.229%
5/8/2026	PNC Financial Services Group Inc.	78,257	$469K	0.0%	-7.8%	0.030%
5/7/2026	Meeder Advisory Services Inc.	17,230	$103K	0.0%	-63.8%	0.007%
5/7/2026	Dimensional Fund Advisors LP	3,265,280	$19.55M	0.0%	-3.5%	1.243%
5/7/2026	SEB Asset Management AB	35,107	$210K	0.0%	N/A	0.013%
5/5/2026	D.A. Davidson & CO.	33,079	$198K	0.0%	-11.9%	0.013%
5/5/2026	Bank of New York Mellon Corp	2,231,761	$13.37M	0.0%	-1.3%	0.850%
5/5/2026	Sanctuary Advisors LLC	42,405	$254K	0.0%	+46.2%	0.016%
5/4/2026	Principal Financial Group Inc.	1,260,689	$7.55M	0.0%	+2.1%	0.480%
5/1/2026	180 Wealth Advisors LLC	227,971	$1.37M	0.2%	+35.9%	0.087%
5/1/2026	Citizens Financial Group Inc. RI	55,206	$331K	0.0%	N/A	0.021%
5/1/2026	Fifth Third Bancorp	68,821	$412K	0.0%	+2,066.9%	0.026%
4/30/2026	Range Financial Group LLC	30,746	$184K	0.1%	+18.3%	0.012%
4/27/2026	HB Wealth Management LLC	15,733	$94K	0.0%	+39.1%	0.006%
4/27/2026	New York State Teachers Retirement System	206,121	$1.24M	0.0%	-27.5%	0.079%
4/27/2026	Y Intercept Hong Kong Ltd	476,488	$2.85M	0.1%	+17.3%	0.183%
4/27/2026	Sound Income Strategies LLC	20,164	$124K	0.0%	-25.1%	0.008%
4/24/2026	Acorn Financial Advisory Services Inc. ADV	84,334	$505K	0.1%	-25.4%	0.032%
4/22/2026	Janney Montgomery Scott LLC	50,111	$300K	0.0%	-10.4%	0.019%
4/22/2026	Pictet Asset Management Holding SA	45,763	$274K	0.0%	+17.8%	0.018%
4/22/2026	Sterling Capital Management LLC	58,527	$351K	0.0%	+28.8%	0.022%
4/21/2026	Wealth Effects LLC	12,512	$75K	0.0%	N/A	0.005%
4/21/2026	Poehling Capital Management INC.	219,288	$1.31M	0.3%	+1.3%	0.084%
4/21/2026	Foster & Motley Inc.	13,739	$82K	0.0%	-7.3%	0.005%
4/21/2026	Louisiana State Employees Retirement System	115,300	$691K	0.0%	N/A	0.044%
4/18/2026	Cidel Asset Management Inc.	14,989	$90K	0.0%	N/A	0.006%
4/17/2026	Krilogy Financial LLC	16,509	$99K	0.0%	-25.3%	0.006%
4/17/2026	Atlas Brown Inc.	80,177	$480K	0.1%	+7.1%	0.031%
4/16/2026	SG Americas Securities LLC	216,319	$1.30M	0.0%	-21.6%	0.083%
3/20/2026	Hsbc Holdings PLC	22,953	$165K	0.0%	+17.2%	0.009%
3/17/2026	Rockefeller Capital Management L.P.	12,461	$89K	0.0%	-15.7%	0.005%
3/9/2026	Corient Private Wealth LLC	35,727	$256K	0.0%	+57.3%	0.014%
3/9/2026	EMC Capital Management	15,167	$109K	0.0%	-15.0%	0.006%
2/26/2026	Alpine Global Management LLC	25,068	$180K	0.0%	N/A	0.010%
2/19/2026	Compound Planning Inc.	30,077	$216K	0.0%	-32.4%	0.012%
2/19/2026	Invesco Ltd.	2,222,248	$15.93M	0.0%	+38.1%	0.855%
2/19/2026	Corient Private Wealth LLC	35,912	$256K	0.0%	+58.1%	0.014%
2/18/2026	Mercer Global Advisors Inc. ADV	53,577	$384K	0.0%	+8.7%	0.021%
2/18/2026	Vident Advisory LLC	16,532	$119K	0.0%	-30.7%	0.006%
2/18/2026	State of Tennessee Department of Treasury	167,061	$1.20M	0.0%	+25.2%	0.064%
2/18/2026	Empowered Funds LLC	10,304	$74K	0.0%	N/A	0.004%
2/18/2026	XTX Topco Ltd	261,293	$1.87M	0.0%	+126.6%	0.101%
2/18/2026	VARCOV Co.	187,476	$1.34M	0.5%	N/A	0.072%
2/18/2026	Voloridge Investment Management LLC	498,631	$3.58M	0.0%	-0.7%	0.192%
2/18/2026	Wellington Management Group LLP	129,375	$928K	0.0%	-3.8%	0.050%
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2/18/2026	Twinbeech Capital LP	257,969	$1.85M	0.1%	-4.5%	0.099%
2/18/2026	Quadrature Capital Ltd	103,395	$741K	0.0%	N/A	0.040%
2/18/2026	Readystate Asset Management LP	514,810	$3.69M	0.1%	-42.9%	0.198%
2/18/2026	Oxford Asset Management LLP	10,370	$74K	0.0%	N/A	0.004%
2/18/2026	Millennium Management LLC	460,948	$3.31M	0.0%	-90.0%	0.177%
2/18/2026	Moore Capital Management LP	177,385	$1.27M	0.0%	N/A	0.068%
2/18/2026	Man Group plc	56,292	$404K	0.0%	+86.8%	0.022%
2/18/2026	Infrastructure Capital Advisors LLC	17,001	$122K	0.0%	N/A	0.007%
2/18/2026	Janus Henderson Group PLC	115,640	$829K	0.0%	-61.9%	0.044%
2/18/2026	Gotham Asset Management LLC	2,653,817	$19.03M	0.1%	-28.5%	1.021%

OGN Institutional Ownership - Frequently Asked Questions

During the previous two years, 483 institutional investors and hedge funds held shares of Organon & Co.. The most heavily invested institutionals were Vanguard Group Inc. ($264.69M), Pacer Advisors Inc. ($166.39M), Sound Shore Management Inc. CT ($74.11M), Deprince Race & Zollo Inc. ($70.56M), State Street Corp ($68.82M), AQR Capital Management LLC ($61.28M), and California State Teachers Retirement System ($55.04M).Learn more on Organon & Co.'s institutional investors.

77.43% of Organon & Co.'s stock is owned by institutional investors. Learn more on OGN's institutional investor holdings.

Of the 400 institutional investors that purchased Organon & Co.'s stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Pacer Advisors Inc. ($11.14M), AQR Capital Management LLC ($7.19M), Vanguard Group Inc. ($4.86M), Norges Bank ($4.00M), California State Teachers Retirement System ($3.83M), Kahn Brothers Group Inc. ($2.81M), and Private Management Group Inc. ($2.49M).

Institutional investors have bought a total of 38,394,489 shares in the last 24 months. This purchase volume represents approximately $377.37M in transactions.

Of the 159 institutional investors that sold Organon & Co.'s stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Millennium Management LLC ($4.13M), Massachusetts Financial Services Co. MA ($3.36M), UBS Group AG ($3.19M), Russell Investments Group Ltd. ($1.83M), Nordea Investment Management AB ($1.82M), Dimensional Fund Advisors LP ($1.36M), and Bank of America Corp DE ($1.26M).

Institutional investors have sold a total of 28,421,061 shares in the last 24 months. This volume of shares sold represents approximately $245.68M in transactions.

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Institutional ownership data for NYSE:OGN is compiled from quarterly 13F filings submitted to the U.S. Securities and Exchange Commission (SEC), with the most recent received on 9/9/2026. New 13F filings are added each quarter as they're published.

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Organon & Co. (OGN) Institutional Ownership

OGN Institutional Buying and Selling by Quarter

Organon & Co. Major Shareholders & Ownership History

OGN Institutional Ownership - Frequently Asked Questions

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Organon & Co. (OGN) Institutional Ownership

Institutional Ownership Changes (13F Filings) for Organon & Co. (NYSE:OGN)

OGN Institutional Buying and Selling by Quarter

Organon & Co. Major Shareholders & Ownership History

OGN Institutional Ownership - Frequently Asked Questions

Who are the largest shareholders of OGN shares?

What percentage of Organon & Co.'s stock is owned by institutional investors?

Which institutional investors have been buying Organon & Co.'s stock?

How much institutional buying is happening at Organon & Co.?

Which of Organon & Co.'s major shareholders have been selling company stock?

How much institutional selling is happening at Organon & Co.?

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