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Organon & Co.

OGN
Exchange
NYSE
Industry
Pharmaceutical Preparations
SEC CIK
0001821825

In the last 90 days, Organon & Co. insiders filed 0 open-market purchases and 1 sale; 636 institutions reported holding it in 13F filings for Q2 2026, worth $2.92B in total; no superinvestor holds it.

13F holders, Q3 2026

Institutional positions in Organon & Co. as of Sep 30, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Q3 2026 data is still coming in (13F filing deadline: Nov 16, 2026), so these numbers are incomplete.

Institutional holders
4
+1 vs. Q2 2026
Shares held
26.2K
+406 (+1.6%) vs. Q2 2026
Total value
$359.8K
+$10.1K (+2.9%) vs. Q2 2026
New holders
1
2 more added
Sold out
0
0 more reduced

633 institutions that held it in Q2 2026 haven't filed for Q3 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2026: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting OGN on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holders
Q1 2021: 1 institutionQ2 2021: 995 institutionsQ3 2021: 934 institutionsQ4 2021: 911 institutionsQ1 2022: 822 institutionsQ2 2022: 855 institutionsQ3 2022: 793 institutionsQ4 2022: 823 institutionsQ1 2023: 769 institutionsQ2 2023: 728 institutionsQ3 2023: 733 institutionsQ4 2023: 720 institutionsQ1 2024: 720 institutionsQ2 2024: 727 institutionsQ3 2024: 726 institutionsQ4 2024: 741 institutionsQ1 2025: 722 institutionsQ2 2025: 697 institutionsQ3 2025: 672 institutionsQ4 2025: 636 institutionsQ1 2026: 610 institutionsQ2 2026: 636 institutions
Value held
Q1 2021: $103.0KQ2 2021: $5.27BQ3 2021: $5.67BQ4 2021: $5.49BQ1 2022: $6.65BQ2 2022: $6.56BQ3 2022: $4.57BQ4 2022: $5.57BQ1 2023: $4.67BQ2 2023: $4.13BQ3 2023: $3.45BQ4 2023: $2.85BQ1 2024: $3.75BQ2 2024: $4.11BQ3 2024: $3.81BQ4 2024: $3.07BQ1 2025: $3.01BQ2 2025: $2.07BQ3 2025: $2.13BQ4 2025: $1.43BQ1 2026: $1.20BQ2 2026: $2.92B
Institutions holding OGN and their total value by quarter
QuarterHoldersValue
Q2 2026636$2.92B
Q1 2026610$1.20B
Q4 2025636$1.43B
Q3 2025672$2.13B
Q2 2025697$2.07B
Q1 2025722$3.01B
Q4 2024741$3.07B
Q3 2024726$3.81B
Q2 2024727$4.11B
Q1 2024720$3.75B
Q4 2023720$2.85B
Q3 2023733$3.45B
Q2 2023728$4.13B
Q1 2023769$4.67B
Q4 2022823$5.57B
Q3 2022793$4.57B
Q2 2022855$6.56B
Q1 2022822$6.65B
Q4 2021911$5.49B
Q3 2021934$5.67B
Q2 2021995$5.27B
Q1 20211$103.0K

Institutions, Q3 2026

Shares, value and share of portfolio for each institution holding Organon & Co.; share changes are against Q2 2026.

Institutions holding OGN in Q3 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Cacti Asset Management LLC25,000$343.5K0.02%00.0%Unchanged
Versant Capital Management, Inc1,116$15.3K0.00%+367+49.0%Added
CX Institutional65$1.00K0.00%+15+30.0%Added
Polaris Financial Partners24$00.00%+24New
BlackRock, Inc.––––Not filed
Pentwater Capital Management LP––––Not filed
Vanguard Portfolio Management LLC––––Not filed
Vanguard Capital Management LLC––––Not filed
State Street Corp––––Not filed
Goldman Sachs Group Inc––––Not filed
UBS Group AG––––Not filed
Geode Capital Management, LLC––––Not filed
Man Group plc––––Not filed
CNH Partners LLC––––Not filed
Private Management Group Inc––––Not filed
LSV Asset Management––––Not filed
Charles Schwab Investment Management Inc––––Not filed
Millennium Management LLC––––Not filed
Dimensional Fund Advisors LP––––Not filed
First Trust Advisors LP––––Not filed
Capula Management Ltd––––Not filed
Highland Capital Management Fund Advisors, L.P.––––Not filed
Magnetar Financial LLC––––Not filed
Glazer Capital, LLC––––Not filed
Kahn Brothers Group Inc––––Not filed
Bank of New York Mellon Corp––––Not filed
Morgan Stanley––––Not filed
Balyasny Asset Management LLC––––Not filed
Kryger Capital LLC––––Not filed
Alliancebernstein L.P.––––Not filed
Allianz Asset Management GmbH––––Not filed
Northern Trust Corp––––Not filed
Vanguard Fiduciary Trust Co––––Not filed
Invesco Ltd.––––Not filed
Westchester Capital Management, LLC––––Not filed
TIG Advisors, LLC––––Not filed
Water Island Capital LLC––––Not filed
Alpine Associates Management Inc.––––Not filed
Principal Financial Group Inc––––Not filed
AQR Capital Management LLC––––Not filed
FMR LLC––––Not filed
HSBC Holdings PLC––––Not filed
Gotham Asset Management, LLC––––Not filed
Cerity Partners LLC––––Not filed
Gabelli Funds LLC––––Not filed
Polar Asset Management Partners Inc.––––Not filed
Public Sector Pension Investment Board––––Not filed
Healthcare of Ontario Pension Plan Trust Fund––––Not filed
Marshall Wace, LLP––––Not filed
Groupe la Francaise––––Not filed
Hotchkis & Wiley Capital Management LLC––––Not filed
UBS Asset Management Americas Inc––––Not filed
Brandes Investment Partners, LP––––Not filed
D. E. Shaw & Co., Inc.––––Not filed
Tokio Marine Asset Management Co Ltd––––Not filed
Sagefield Capital LP––––Not filed
Legal & General Group Plc––––Not filed
P Schoenfeld Asset Management LP––––Not filed
Absolute Gestao de Investimentos Ltda.––––Not filed
Ameriprise Financial Inc––––Not filed
Bank of America Corp––––Not filed
Credit Industriel Et Commercial––––Not filed
Picton Mahoney Asset Management––––Not filed
American Century Companies Inc––––Not filed
Wells Fargo & Company––––Not filed
Centiva Capital, LP––––Not filed
Gabelli & Co Investment Advisers, Inc.––––Not filed
State of Wisconsin Investment Board––––Not filed
Swiss National Bank––––Not filed
Winton Group Ltd––––Not filed
First Manhattan Co––––Not filed
New York Life Investment Management LLC––––Not filed
Verition Fund Management LLC––––Not filed
Rhumbline Advisers––––Not filed
Nuveen, LLC––––Not filed
Alberta Investment Management Corp––––Not filed
Carmignac Gestion––––Not filed
Maven Securities LTD––––Not filed
Quantinno Capital Management LP––––Not filed
Franklin Resources Inc––––Not filed
Vestcor Inc––––Not filed
LMR Partners LLP––––Not filed
Citigroup Inc––––Not filed
Vivaldi Asset Management, LLC––––Not filed
BNP Paribas Arbitrage, SA––––Not filed
Squarepoint Ops LLC––––Not filed
Norges Bank––––Not filed
Readystate Asset Management LP––––Not filed
Citadel Advisors LLC––––Not filed
JPMorgan Chase & Co––––Not filed
Universal- Beteiligungs- und Servicegesellschaft mbH––––Not filed
California State Teachers Retirement System––––Not filed
Toroso Investments, LLC––––Not filed
CM Management, LLC––––Not filed
Sector Gamma AS––––Not filed
Vanguard Asset Management, Ltd––––Not filed
Two Sigma Investments, LP––––Not filed
Price T Rowe Associates Inc––––Not filed
Prudential Financial Inc––––Not filed
New York State Teachers Retirement System––––Not filed