Organon & Co. (OGN) Ownership & Trading Activity
Institutional holders, insider transactions, and congressional trades for OGN. 13F holdings as of 2026-06-30.
In 13F filings for the quarter ended June 30, 2026, 618 institutions reported holding OGN, with 218.2 million shares worth $2.9 billion in aggregate.
Top Institutional Holders
| Institution | Shares | Value | Change |
|---|---|---|---|
| BlackRock | 32,056,866 | $434M | INCREASED |
| Vanguard | 29,172,358 | $395M | DECREASED |
| Pentwater Capital Management | 18,100,000 | $245M | NEW |
| State Street | 9,659,371 | $131M | DECREASED |
| UBS Group | 5,598,538 | $76M | INCREASED |
Recent Congressional Trades
| Member | Type | Amount | Date |
|---|---|---|---|
| Kevin Hern (Republican) | SALE | $1,001 - $15,000 | 2026-08-05 |
| Kevin Hern (Republican) | SALE | $1,001 - $15,000 | 2026-08-04 |
Full institutional holdings, insider history, and congressional trades for Organon & Co. on SentiSense.