| 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 30 Sep 2025, 645 institutional investors reported holding 199,919,284 shares of Organon & Co. - Common Stock (OGN). This represents 77% of the company’s total 259,967,612 outstanding shares.
The largest institutional shareholders of Organon & Co. - Common Stock (OGN) together control 59% 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% | 35,928,403 | +11% | 0.01% | $383,715,343 |
| BlackRock, Inc. | 12% | 30,858,689 | -0.91% | 0.01% | $329,570,796 |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | 3.7% | 9,502,102 | -7.2% | 0.03% | $101,482,448 |
| STATE STREET CORP | 3.6% | 9,335,576 | -1.9% | 0% | $99,703,952 |
| LSV ASSET MANAGEMENT | 3% | 7,834,540 | -1.9% | 0.18% | $83,673,000 |
| GEODE CAPITAL MANAGEMENT, LLC | 1.9% | 4,815,582 | +9.5% | 0% | $51,438,763 |
| MILLENNIUM MANAGEMENT LLC | 1.7% | 4,527,535 | -50% | 0.04% | $48,354,074 |
| MORGAN STANLEY | 1.7% | 4,357,916 | -24% | 0% | $46,542,549 |
| AQR CAPITAL MANAGEMENT LLC | 1.6% | 4,176,144 | +28% | 0.03% | $43,640,709 |
| Gotham Asset Management, LLC | 1.4% | 3,713,204 | +37% | 0.17% | $39,657,019 |
| DIMENSIONAL FUND ADVISORS LP | 1.4% | 3,689,550 | -20% | 0.01% | $39,397,119 |
| KAHN BROTHERS GROUP INC | 1.4% | 3,616,845 | +3.6% | 7.3% | $38,627,904 |
| Bank of New York Mellon Corp | 1.4% | 3,571,955 | -0.22% | 0.01% | $38,148,480 |
| PRIVATE MANAGEMENT GROUP INC | 1.2% | 3,142,094 | +0.2% | 1% | $33,557,564 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 1.2% | 3,110,552 | -13% | 0.01% | $33,220,695 |
| NORDEA INVESTMENT MANAGEMENT AB | 1.2% | 3,086,456 | -37% | 0.03% | $31,713,336 |
| UBS Group AG | 1.1% | 2,767,510 | -54% | 0.01% | $29,557,008 |
| CANADA PENSION PLAN INVESTMENT BOARD | 0.91% | 2,373,540 | +10838% | 0.02% | $25,349,407 |
| Balyasny Asset Management L.P. | 0.86% | 2,240,149 | +102% | 0.05% | $23,924,791 |
| Brandywine Global Investment Management, LLC | 0.85% | 2,214,334 | -2.1% | 0.16% | $23,649,087 |
| FIRST TRUST ADVISORS LP | 0.83% | 2,165,113 | +21% | 0.02% | $23,123,355 |
| Russell Investments Group, Ltd. | 0.75% | 1,943,426 | +18% | 0.02% | $20,754,909 |
| NORTHERN TRUST CORP | 0.75% | 1,939,897 | -6.7% | 0% | $20,718,099 |
| GOLDMAN SACHS GROUP INC | 0.64% | 1,656,662 | -12% | 0% | $17,693,155 |
| Cerity Partners LLC | 0.64% | 1,653,847 | -0.61% | 0.03% | $17,663,098 |
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2025 Q4 | 682,451 | $4,989,516 | -$31,808,859 | $7.17 | 34 |
| 2025 Q3 | 199,919,284 | $2,132,602,281 | -$151,655,138 | $10.68 | 645 |
| 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 |