| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| VANGUARD GROUP INC | 14% | $383,705,956 | 35,927,524 | The Vanguard Group | 30 Sep 2025 | |||
| BlackRock, Inc. | 12% | $371,587,153 | 30,659,006 | BlackRock, Inc. | 31 Mar 2025 |
As of 31 Dec 2025, 600 institutional investors reported holding 197,838,103 shares of Organon & Co. - Common Stock (OGN). This represents 76% of the company’s total 259,967,612 outstanding shares.
The largest institutional shareholders of Organon & Co. - Common Stock (OGN) together control 60% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| VANGUARD GROUP INC | 14% | 36,916,382 | +2.7% | 0% | $264,690,458 |
| BlackRock, Inc. | 12% | 30,966,019 | +0.35% | 0% | $222,026,355 |
| STATE STREET CORP | 3.7% | 9,597,761 | +2.8% | 0% | $68,815,946 |
| AQR CAPITAL MANAGEMENT LLC | 3.3% | 8,570,958 | +105% | 0.03% | $61,282,347 |
| LSV ASSET MANAGEMENT | 2.9% | 7,472,429 | -4.6% | 0.12% | $53,577,000 |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | 2.6% | 6,882,166 | -28% | 0.02% | $49,345,130 |
| GEODE CAPITAL MANAGEMENT, LLC | 1.8% | 4,600,477 | -4.5% | 0% | $32,992,346 |
| PRIVATE MANAGEMENT GROUP INC | 1.7% | 4,347,073 | +38% | 0.91% | $31,168,513 |
| UBS Group AG | 1.7% | 4,295,002 | +55% | 0.01% | $30,795,164 |
| KAHN BROTHERS GROUP INC | 1.4% | 3,629,451 | +0.35% | 4.6% | $26,023,163 |
| Sio Capital Management, LLC | 1.3% | 3,421,765 | 4.1% | $24,534,055 | |
| D. E. Shaw & Co., Inc. | 1.3% | 3,386,724 | +590% | 0.02% | $24,282,811 |
| DIMENSIONAL FUND ADVISORS LP | 1.3% | 3,384,140 | -8.3% | 0.01% | $24,263,398 |
| MORGAN STANLEY | 1.2% | 3,179,142 | -27% | 0% | $22,794,461 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 1.1% | 2,906,768 | -6.6% | 0% | $20,841,524 |
| Gotham Asset Management, LLC | 1% | 2,653,817 | -29% | 0.07% | $19,027,868 |
| CANADA PENSION PLAN INVESTMENT BOARD | 0.93% | 2,429,740 | +2.4% | 0.01% | $17,421,236 |
| Bank of New York Mellon Corp | 0.87% | 2,260,925 | -37% | 0% | $16,210,831 |
| Invesco Ltd. | 0.85% | 2,222,248 | +38% | 0% | $15,933,517 |
| TWO SIGMA INVESTMENTS, LP | 0.83% | 2,170,476 | +238% | 0.02% | $15,562,313 |
| CITADEL ADVISORS LLC | 0.79% | 2,062,974 | +396% | 0.01% | $14,791,524 |
| JANE STREET GROUP, LLC | 0.77% | 2,007,556 | +574% | 0.02% | $14,394,177 |
| GOLDMAN SACHS GROUP INC | 0.72% | 1,880,615 | +14% | 0% | $13,484,011 |
| NORTHERN TRUST CORP | 0.7% | 1,820,419 | -6.2% | 0% | $13,052,403 |
| FIRST TRUST ADVISORS LP | 0.7% | 1,812,081 | -16% | 0.01% | $12,992,642 |
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2025 Q4 | 197,838,103 | $1,418,644,610 | -$51,379,566 | $7.17 | 600 |
| 2025 Q3 | 199,926,716 | $2,132,681,468 | -$150,482,740 | $10.68 | 652 |
| 2025 Q2 | 213,509,469 | $2,068,020,376 | +$48,565,302 | $9.68 | 671 |
| 2025 Q1 | 201,532,485 | $2,995,812,346 | -$64,996,102 | $14.89 | 700 |
| 2024 Q4 | 205,682,751 | $3,072,843,752 | +$23,475,126 | $14.92 | 720 |
| 2024 Q3 | 199,185,243 | $3,806,754,227 | +$38,485,871 | $19.13 | 707 |
| 2024 Q2 | 198,594,767 | $4,111,200,170 | -$250,928 | $20.70 | 708 |
| 2024 Q1 | 198,626,864 | $3,733,529,325 | +$65,262,605 | $18.80 | 690 |
| 2023 Q4 | 197,857,264 | $2,852,715,098 | -$101,929,249 | $14.42 | 689 |
| 2023 Q3 | 198,766,566 | $3,450,429,560 | -$7,364,439 | $17.36 | 708 |
| 2023 Q2 | 198,140,342 | $4,124,380,874 | +$932,787 | $20.81 | 697 |
| 2023 Q1 | 197,878,793 | $4,654,750,835 | -$31,133,320 | $23.52 | 737 |
| 2022 Q4 | 198,916,477 | $5,565,036,784 | +$117,628,593 | $27.93 | 786 |
| 2022 Q3 | 194,096,180 | $4,545,933,002 | -$31,566,085 | $23.40 | 701 |
| 2022 Q2 | 193,827,473 | $6,541,083,667 | +$180,410,870 | $33.75 | 794 |
| 2022 Q1 | 189,800,239 | $6,631,865,252 | +$375,810,039 | $34.93 | 774 |
| 2021 Q4 | 179,756,690 | $5,477,606,302 | +$194,806,993 | $30.45 | 834 |
| 2021 Q3 | 172,345,023 | $5,652,550,434 | -$22,914,654 | $32.79 | 868 |
| 2021 Q2 | 173,719,083 | $5,255,337,073 | +$5,254,023,997 | $30.26 | 935 |
| 2021 Q1 | 3,400 | $103,000 | $30.29 | 1 | |
| 2020 Q4 | 3,400 | $103,000 | $30.29 | 1 | |
| 2020 Q3 | 3,400 | $103,000 | $30.29 | 1 | |
| 2020 Q2 | 3,440 | $104,000 | $27.65 | 2 | |
| 2020 Q1 | 3,400 | $103,000 | $30.29 | 1 | |
| 2019 Q4 | 3,400 | $103,000 | $30.29 | 1 | |
| 2019 Q3 | 3,400 | $103,000 | $30.29 | 1 | |
| 2019 Q2 | 3,400 | $103,000 | $30.29 | 1 | |
| 2019 Q1 | 3,400 | $103,000 | $30.29 | 1 |