Organon &OGN
13F holders, Q1 2026 (March 31)609holders −27
65new positions
91sold out
9famous investors
$6.00avg. 13F price*
At the end of Q1 2026, 609 institutions reported holding Organon & Co. (OGN) in their 13F filings, down 27 from Q4 2025. 65 opened new positions and 91 sold out. The largest holders were BlackRock, Inc. ($190.0M), Vanguard Portfolio Management LLC ($130.9M) and Vanguard Capital Management LLC ($70.3M). 9 famous investors held it, including Israel Englander (0.0% of Millennium Management's portfolio), Joel Greenblatt (0.0% of Gotham Asset Management's portfolio) and Ray Dalio (0.0% of Bridgewater Associates's portfolio).
- Company
- Organon & Co.
- CUSIP
- 68622V106
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 65 | $51.7M |
| Exits | 91 | $42.2M |
All 13F filers, Q4 2025 → Q1 2026: 32,926,616 shares bought and 28,593,705 shares sold, net +4,332,911 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 609 holders
| BlackRock, Inc. | 0.00% | Add +2.4% | 31,717,028 | $190.0M |
| Vanguard Portfolio Management LLC | 0.01% | — | 21,846,036 | $130.9M |
| Vanguard Capital Management LLC | 0.00% | — | 11,737,018 | $70.3M |
| State Street Corp. | 0.00% | Add +3.7% | 9,956,774 | $59.6M |
| LSV Asset Management | 0.09% | Reduce -2.9% | 7,259,730 | $43.5M |
| Millennium Management | 0.03% | Add +1371.2% | 6,781,535 | $40.6M |
| Kahn Brothers Group Inc. | 5.88% | Add +52.6% | 5,536,993 | $33.2M |
| Canada Pension Plan Investment Board | 0.02% | Add +106.2% | 5,011,100 | $30.0M |
| Geode Capital Management, LLC | 0.00% | Add +3.5% | 4,759,337 | $28.5M |
| Private Management Group Inc. | 0.75% | Add +0.6% | 4,374,108 | $26.2M |
| Think Investments LP | 3.23% | New | 4,000,000 | $24.0M |
| UBS Group AG | 0.00% | Reduce -19.2% | 3,471,579 | $20.8M |
| AQR Capital Management | 0.01% | Reduce -59.7% | 3,450,626 | $20.2M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +15.7% | 3,362,349 | $20.1M |
| Morgan Stanley | 0.00% | Add +3.6% | 3,292,684 | $19.7M |
| Dimensional Fund Advisors LP | 0.00% | Reduce -3.5% | 3,265,280 | $19.6M |
| First Trust Advisors LP | 0.01% | Add +78.1% | 3,227,320 | $19.3M |
| Two Sigma Investments, LP | 0.02% | Add +44.5% | 3,137,020 | $18.8M |
| D. E. Shaw & Co. | 0.01% | Reduce -21.9% | 2,644,552 | $15.8M |
| FMR LLC | 0.00% | Add +7142.9% | 2,558,692 | $15.3M |
| Cerity Partners LLC | 0.02% | Add +111.5% | 2,309,039 | $13.8M |
| Bank of New York Mellon Corp | 0.00% | Reduce -1.3% | 2,231,761 | $13.4M |
| Invesco Ltd. | 0.00% | Add +0.2% | 2,226,714 | $13.3M |
| Citadel Advisors | 0.01% | Reduce -3.1% | 1,998,390 | $12.0M |
| Northern Trust Corp. | 0.00% | Add +5.2% | 1,914,114 | $11.5M |
| Massachusetts Financial Services Co. | 0.00% | Reduce -75.5% | 1,689,210 | $10.1M |
| Vanguard Fiduciary Trust Co. | 0.00% | — | 1,612,057 | $9.7M |
| Goldman Sachs Group Inc. | 0.00% | Reduce -14.6% | 1,605,325 | $9.6M |
| Hotchkis & Wiley Capital Management LLC | 0.03% | New | 1,375,960 | $8.2M |
| Principal Financial Group Inc. | 0.00% | Add +2.1% | 1,260,689 | $7.6M |
| Gotham Asset Management | 0.02% | Reduce -52.6% | 1,257,055 | $7.5M |
| Mitsubishi UFJ Trust & Banking Corp | 0.02% | Reduce -11.6% | 1,086,369 | $6.5M |
| Susquehanna International Group, LLP | 0.01% | Add +313.2% | 1,082,760 | $6.5M |
| Allianz Asset Management GmbH | 0.01% | Reduce -7.8% | 1,082,748 | $6.5M |
| M&G PLC | 0.03% | Add +1.1% | 1,003,250 | $6.0M |
| First Manhattan Co. Llc. | 0.02% | Add +9124.1% | 950,172 | $5.7M |
| Marshall Wace, LLP | 0.01% | Add +112.1% | 933,176 | $5.6M |
| Public Sector Pension Investment Board | 0.02% | Add +3.2% | 930,094 | $5.6M |
| Sio Capital Management, LLC | 0.75% | Reduce -74.7% | 865,908 | $5.2M |
| Alliancebernstein L.P. | 0.00% | Add +450.5% | 720,512 | $5.2M |
| Squarepoint Ops LLC | 0.01% | Add +130.3% | 831,424 | $5.0M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Reduce -3.1% | 778,905 | $4.7M |
| Ameriprise Financial Inc. | 0.00% | Add +19.6% | 754,240 | $4.5M |
| Bank of America Corp. | 0.00% | Reduce -58.5% | 738,502 | $4.4M |
| Wells Fargo & Company | 0.00% | Reduce -23.1% | 700,599 | $4.2M |
| Brandes Investment Partners, LP | 0.03% | Add +14.0% | 691,625 | $4.1M |
| Legal & General Group Plc | 0.00% | Reduce -13.1% | 678,043 | $4.1M |
| Citigroup Inc. | 0.00% | Add +17.9% | 596,772 | $3.6M |
| Bridgewater Associates | 0.02% | Reduce -34.6% | 594,483 | $3.6M |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 0.01% | Reduce -0.4% | 523,472 | $3.1M |
| Douglas Lane & Associates, LLC | 0.05% | Add +7.6% | 522,642 | $3.1M |
| Swiss National Bank | 0.00% | No change | 512,575 | $3.1M |
| Rhumbline Advisers | 0.00% | Add +4.4% | 491,421 | $2.9M |
| Victory Capital Management Inc. | 0.00% | Reduce -5.5% | 485,509 | $2.9M |
| American Century Companies Inc. | 0.00% | Reduce -21.2% | 477,736 | $2.9M |
| Y-Intercept (Hong Kong) Ltd | 0.05% | Add +17.3% | 476,488 | $2.9M |
| Nuveen, LLC | 0.00% | Add +7.5% | 468,931 | $2.8M |
| GMO | 0.01% | Add +0.3% | 448,874 | $2.7M |
| Trexquant Investment LP | 0.02% | New | 402,790 | $2.4M |
| CM Management, LLC | 2.00% | Add +100.0% | 400,000 | $2.4M |
| Walleye Capital LLC | 0.02% | Reduce -73.5% | 393,125 | $2.4M |
| Lombard Odier Asset Management (USA) Corp | 1.72% | New | 380,000 | $2.3M |
| VestGen Advisors, LLC | 0.06% | New | 170,619 | $2.3M |
| Sector Gamma As | 0.53% | Add +25.3% | 375,974 | $2.3M |
| CIBC Bancorp USA Inc. | 0.00% | — | 340,721 | $2.0M |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 0.00% | Add +0.4% | 336,976 | $2.0M |
| Pavaki Capital Management LLC | 1.38% | Reduce -54.9% | 328,100 | $2.0M |
| Raymond James Financial Inc. | 0.00% | Add +27.1% | 327,935 | $2.0M |
| California State Teachers Retirement System | 0.00% | Add +34.8% | 327,075 | $2.0M |
| HRT Financial LP | 0.00% | New | 318,180 | $1.9M |
| Royal Bank of Canada | 0.00% | Add +8.5% | 299,663 | $1.8M |
| Prudential Financial Inc. | 0.00% | Reduce -12.3% | 240,527 | $1.8M |
| JPMorgan Chase & Co. | 0.00% | Add +6.7% | 298,326 | $1.7M |
| Franklin Resources Inc. | 0.00% | Reduce -43.2% | 282,913 | $1.7M |
| Vanguard Global Advisers, LLC | 0.00% | — | 281,114 | $1.7M |
| PDT Partners, LLC | 0.10% | Add +25.2% | 277,407 | $1.7M |
| State of Alaska, Department of Revenue | 0.02% | Reduce -1.5% | 274,128 | $1.6M |
| Quantinno Capital Management LP | 0.00% | Reduce -27.1% | 265,024 | $1.6M |
| Orographic Financial Advisors, LLC | 1.08% | — | 254,200 | $1.5M |
| Los Angeles Capital Management LLC | 0.01% | Add +87.7% | 246,852 | $1.5M |
| Point72 Asset Management | 0.00% | Reduce -63.7% | 238,000 | $1.4M |
| Advisors Asset Management, Inc. | 0.02% | Reduce -40.0% | 233,051 | $1.4M |
| Tidal Investments LLC | 0.00% | Add +1906.9% | 241,412 | $1.4M |
| VANGUARD ASSET MANAGEMENT, Ltd | 0.00% | — | 228,772 | $1.4M |
| Harbor Capital Advisors, Inc. | 0.11% | New | 228,776 | $1.4M |
| 180 Wealth Advisors, LLC | 0.16% | Add +35.9% | 227,971 | $1.4M |
| State Board of Administration of Florida Retirement System | 0.00% | Reduce -2.3% | 225,178 | $1.3M |
| Poehling Capital Management, INC. | 0.28% | Add +1.3% | 219,288 | $1.3M |
| Balyasny Asset Management L.P. | 0.00% | New | 217,900 | $1.3M |
| SG Americas Securities, LLC | 0.00% | Reduce -21.6% | 216,319 | $1.3M |
| New York State Teachers Retirement System | 0.00% | Reduce -27.5% | 206,121 | $1.2M |
| Van Eck Associates Corp. | 0.00% | Add +3.2% | 202,676 | $1.2M |
| T. Rowe Price Associates Inc. | 0.00% | Add +20.4% | 201,132 | $1.2M |
| Stifel Financial Corp. | 0.00% | Add +1.6% | 197,452 | $1.2M |
| Sei Investments Co. | 0.00% | Add +82.0% | 190,057 | $1.1M |
| ExodusPoint Capital Management, LP | 0.01% | New | 182,846 | $1.1M |
| Howard Capital Management, LLC | 0.02% | No change | 178,927 | $1.1M |
| Thrivent Financial for Lutherans | 0.00% | Reduce -2.9% | 173,529 | $1.0M |
| Wellington Management Group LLP | 0.00% | Add +29.3% | 167,327 | $1.0M |
| Brevan Howard Capital Management LP | 0.01% | Reduce -24.9% | 163,067 | $977K |
"% of holder's portfolio" is OGN's weight in each manager's 13F, not the share of Organon & Co. the manager owns.