Organon OGN Institutional Ownership

NYSE OGN

$13.64 -0.03 (-0.26%)

As of: Sep 10, 2026 · 3:59 PM EDT

Institutions by Trading Activity

630 Institutions

Increased 245 38.9%

Unchanged 200 31.7%

Reduced 185 29.4%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

85.66%

▲+8.84 pp QoQ

Shares Held by Institutions

224.95Mn

of 262.61Mn outstanding

▲+23.99% QoQ

Shares Outstanding

262.61Mn

37.66Mn held outside 13F filers

Institutional Investors

630

filed 13F for Jun 2026

▲+22 vs prior quarter

Net Shares Added (QoQ)

+43.52Mn

accumulated since last quarter

Value of Holdings

$3.10Bn

reported market value

Shares Owned by Institutions

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed

Latest quarter —

Net over range —

Accumulating quarters —

Ownership Summary

Quarter ending 30 Jun, 2026

Organon & Co. (NYSE:OGN) has 630 institutional investors with active 13F positions as of June 2026.

Their combined ownership stood at 85.7% of outstanding shares in June 2026, up from 76.8% in March 2026.
They increased total shares held in Organon by 23.99% from last quarter, and the number of investors in OGN decreased 8.7% annually.
Activity in OGN broke down as 245 buyers, 185 sellers, and 200 unchanged among 630 total holders.
Institutional investors collectively held 224.95Mn shares in Organon as of June 2026, up by 43.52Mn shares quarter on quarter, and up 22.61Mn shares year over year.
BlackRock, Inc. holds the largest position in OGN at 32.06Mn shares as of June 30, 2026, or 12.21% of shares outstanding.
The most significant purchases of OGN for the quarter ending June 2026 came from Pentwater Capital Management LP (18.1Mn), Man Group plc (4.18Mn), ALLIANCEBERNSTEIN L.P. (4.03Mn), AQR Arbitrage LLC (3.88Mn), Goldman Sachs Group Inc (3.59Mn).
The largest sellers of Organon for the quarter ending June 2026 were VANGUARD PORTFOLIO MANAGEMENT LLC (6.71Mn), LSV ASSET MANAGEMENT (3.52Mn), MILLENNIUM MANAGEMENT LLC (3.34Mn), TWO SIGMA INVESTMENTS, LP (2.9Mn), AQR CAPITAL MANAGEMENT LLC (2.21Mn).
Organon's 10 largest shareholders as of June 2026 include BlackRock, Inc. (32.06Mn), Pentwater Capital Management LP (18.1Mn), VANGUARD PORTFOLIO MANAGEMENT LLC (15.13Mn), VANGUARD CAPITAL MANAGEMENT LLC (11.91Mn), State Street Corp (9.66Mn), KAHN BROTHERS GROUP INC (5.54Mn), Goldman Sachs Group Inc (5.2Mn), UBS Group AG (4.86Mn), GEODE CAPITAL MANAGEMENT, LLC (4.82Mn), ALLIANCEBERNSTEIN L.P. (4.75Mn) per Business Quant data.

Form 13F Holdings

630 Institutional Holders

Report period 30 Jun, 2026

Total shares held 224.95Mn

Of outstanding 85.66%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	BlackRock, Inc.	0002012383	32,056,866	12.21%	▲339,838	+1.07%	$434.05Mn
2	Pentwater Capital Management LP	0001425851	18,100,000	6.89%	▲18,100,000	0.00%	$245.07Mn
3	VANGUARD PORTFOLIO MANAGEMENT LLC	0002100121	15,132,118	5.76%	▼6,713,918	-30.73%	$204.89Mn
4	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	11,909,865	4.54%	▲172,847	+1.47%	$161.26Mn
5	State Street Corp	0000093751	9,659,371	3.68%	▼297,403	-2.99%	$130.79Mn
6	KAHN BROTHERS GROUP INC	0001039565	5,536,993	2.11%	0	0.00%	$33.17Mn
7	Goldman Sachs Group Inc	0000886982	5,199,002	1.98%	▲3,593,677	+223.86%	$70.39Mn
8	UBS Group AG	0001610520	4,856,529	1.85%	▲1,384,950	+39.89%	$65.76Mn
9	GEODE CAPITAL MANAGEMENT, LLC	0001214717	4,815,610	1.83%	▲56,273	+1.18%	$65.22Mn
10	ALLIANCEBERNSTEIN L.P.	0001109448	4,754,671	1.81%	▲4,034,159	+559.90%	$28.48Mn
11	Man Group plc	0001637460	4,180,500	1.59%	▲4,180,500	0.00%	$56.60Mn
12	AQR Arbitrage LLC	0001167456	3,880,354	1.48%	▲3,880,354	0.00%	$52.38Mn
13	PRIVATE MANAGEMENT GROUP INC	0001142031	3,742,161	1.42%	▼631,947	-14.45%	$50.67Mn
14	LSV ASSET MANAGEMENT	0001050470	3,737,036	1.42%	▼3,522,694	-48.52%	$50.60K
15	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	0000884546	3,457,262	1.32%	▲94,913	+2.82%	$46.81Mn
15	Sixth Street Partners Management Company, L.P.	0001812095	3,457,262	1.32%	▲3,457,262	0.00%	$46.81Mn
16	MILLENNIUM MANAGEMENT LLC	0001273087	3,442,430	1.31%	▼3,339,105	-49.24%	$46.61Mn
17	DIMENSIONAL FUND ADVISORS LP	0000354204	3,266,826	1.24%	▲1,546	+0.05%	$44.23Mn
18	FIRST TRUST ADVISORS LP	0001125816	3,099,481	1.18%	▼127,839	-3.96%	$41.97Mn
19	Capula Management Ltd	0001557017	3,049,207	1.16%	▲3,049,207	0.00%	$41.29Mn

Showing 1 to 20 of 630 holders