Organon & Co. (OGN) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

260,653,000Shares Outstanding

199,248,460Shares held by institutions

$1,761,356,386Value of institutional holdings

76.44%Institutional ownership %

7.11%Shares Changed QoQ

617No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

Organon & Co. (NYSE:OGN) showed up in the 13F filings of 613 institutional investors as of December 2025.

They owned 75.7% of outstanding stock in December 2025, down from 76.7% the prior quarter.
They increased total shares held in Organon by 6.22% from the prior quarter, while the number of investors in OGN decreased 15.68% year over year.
Of these 613 holders, 228 added to their stakes in Organon, 223 trimmed positions, and 162 made no changes.
Altogether, these fund groups held 197.32Mn shares in OGN by December 2025, up by 11.55Mn shares quarter on quarter, and down 15.05Mn shares year over year.
Investors Research Corp leads ownership in OGN with 1.02K shares as of December 31, 2025, equal to 0.0% of outstanding shares.
The biggest sellers of Organon for the quarter ending December 2025 included Investors Research Corp (19), MJT & Associates Financial Advisory Group, Inc. (10).
Business Quant data shows the 6 biggest positions in Organon as of December 2025 are held by Investors Research Corp (1.02K), Hilltop National Bank (837), Bangor Savings Bank (56), Horizons Wealth Management (42), Aspect Partners, LLC (20), MJT & Associates Financial Advisory Group, Inc. (10).

617 Institutional Holders

199,248,460 Total Shares Held

Rows:

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Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
VANGUARD GROUP INC	31 Dec, 2025	36,916,382	987,979	2.75%	$264,690,458.00
BlackRock, Inc.	31 Dec, 2025	30,966,019	107,330	0.35%	$222,026,355.00
State Street Corp	31 Dec, 2025	9,597,761	262,185	2.81%	$68,815,946.00
AQR CAPITAL MANAGEMENT LLC	31 Dec, 2025	8,570,958	4,394,814	105.24%	$61,282,347.00
LSV ASSET MANAGEMENT	31 Dec, 2025	7,472,429	-362,111	-4.62%	$53,577.00
MASSACHUSETTS FINANCIAL SERVICES CO /MA/	31 Dec, 2025	6,882,166	-2,619,936	-27.57%	$49,345,130.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	4,600,477	-215,105	-4.47%	$32,992,346.00
PRIVATE MANAGEMENT GROUP INC	31 Dec, 2025	4,347,073	1,204,979	38.35%	$31,168,513.00
UBS Group AG	31 Dec, 2025	4,295,002	1,527,492	55.19%	$30,795,164.00
Goldman Sachs Group Inc	31 Dec, 2025	3,761,230	2,104,568	127.04%	$26,968,022.00
KAHN BROTHERS GROUP INC	31 Dec, 2025	3,629,451	12,606	0.35%	$26,023,163.00
Sio Capital Management, LLC	31 Dec, 2025	3,421,765	3,421,765	0.00%	$24,534,055.00
D. E. Shaw & Co., Inc.	31 Dec, 2025	3,386,724	2,895,864	589.96%	$24,282,811.00
DIMENSIONAL FUND ADVISORS LP	31 Dec, 2025	3,384,140	-305,410	-8.28%	$24,263,398.00
Morgan Stanley	31 Dec, 2025	3,179,142	-1,178,774	-27.05%	$22,794,461.00
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	31 Dec, 2025	2,906,768	-203,784	-6.55%	$20,841,524.00
Gotham Asset Management, LLC	31 Dec, 2025	2,653,817	-1,059,387	-28.53%	$19,027,868.00
CANADA PENSION PLAN INVESTMENT BOARD	31 Dec, 2025	2,429,740	56,200	2.37%	$17,421,236.00
Bank of New York Mellon Corp	31 Dec, 2025	2,260,925	-1,311,030	-36.70%	$16,210,831.00
Invesco Ltd.	31 Dec, 2025	2,222,248	613,352	38.12%	$15,933,517.00

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