721 institutions reported holding $3.08B of ORGANON & CO (OGN) in SEC 13F filings for 2026-06-30. Largest institutional holders: BlackRock, Inc. ($434.0M), VANGUARD GROUP INC ($394.2M), Pentwater Capital Management LP ($245.1M), STATE STREET CORP ($130.8M), GOLDMAN SACHS GROUP INC ($70.4M). Source: SEC Form 13F.
Source: SEC Form 13F filings · as of 2026-06-30