Stocktoria
Organon & Co. OGN
Organon & Co. institutional holders
| Investor | Shares | Value | % of company |
|---|---|---|---|
| BlackRock Finance, Inc. | 32,579,067 | $674.4M | 12.49% |
| MILLENNIUM MANAGEMENT LLC | 3,442,430 | $46.6M | 1.32% |
| AQR CAPITAL MANAGEMENT LLC | 1,245,588 | $16.8M | 0.48% |
| CITADEL ADVISORS LLC | 846,659 | $11.5M | 0.32% |
| D. E. Shaw & Co., Inc. | 736,353 | $10.0M | 0.28% |
| TWO SIGMA INVESTMENTS, LP | 241,392 | $3.3M | 0.09% |
% of company = reported institutional shares ÷ shares outstanding. Based on the latest reports; not every holder reports every quarter.
Computed from company filings · US · as of 2025-12-31. Facts plus Stocktoria's own computed scores — not investment advice.