Organon &OGN
13F holders, Q2 2026 (June 30)636holders +27
108new positions
91sold out
7famous investors
$13.43avg. 13F price*
At the end of Q2 2026, 636 institutions reported holding Organon & Co. (OGN) in their 13F filings, up 27 from Q1 2026. 108 opened new positions and 91 sold out. The largest holders were BlackRock, Inc. ($434.0M), Pentwater Capital Management LP ($245.1M) and Vanguard Portfolio Management LLC ($204.9M). 7 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 Mario Gabelli (0.0% of GAMCO Investors's portfolio).
- Company
- Organon & Co.
- CUSIP
- 68622V106
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2026 → Q2 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 108 | $815.5M |
| Exits | 91 | $110.6M |
All 13F filers, Q1 2026 → Q2 2026: 76,677,828 shares bought and 58,209,000 shares sold, net +18,468,828 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 636 holders
| BlackRock, Inc. | 0.01% | Add +1.1% | 32,056,866 | $434.0M |
| Pentwater Capital Management LP | 1.96% | New | 18,100,000 | $245.1M |
| Vanguard Portfolio Management LLC | 0.01% | Reduce -30.7% | 15,132,118 | $204.9M |
| Vanguard Capital Management LLC | 0.00% | Add +1.5% | 11,909,865 | $161.3M |
| State Street Corp. | 0.00% | Reduce -3.0% | 9,659,371 | $130.8M |
| Goldman Sachs Group Inc. | 0.01% | Add +223.9% | 5,199,002 | $70.4M |
| UBS Group AG | 0.01% | Add +39.9% | 4,856,529 | $65.8M |
| Geode Capital Management, LLC | 0.00% | Add +1.2% | 4,815,610 | $65.2M |
| Man Group plc | 0.11% | New | 4,180,500 | $56.6M |
| AQR Arbitrage LLC | 0.90% | New | 3,880,354 | $52.4M |
| Private Management Group Inc. | 1.33% | Reduce -14.4% | 3,742,161 | $50.7M |
| LSV Asset Management | 0.09% | Reduce -48.5% | 3,737,036 | $50.6M |
| Charles Schwab Investment Management Inc. | 0.01% | Add +2.8% | 3,457,262 | $46.8M |
| Millennium Management | 0.03% | Reduce -49.2% | 3,442,430 | $46.6M |
| Dimensional Fund Advisors LP | 0.01% | Add +0.1% | 3,266,826 | $44.2M |
| First Trust Advisors LP | 0.02% | Reduce -4.0% | 3,099,481 | $42.0M |
| Capula Management Ltd | 0.18% | New | 3,049,207 | $41.3M |
| Nexpoint Asset Management, L.P. | 2.73% | New | 3,009,630 | $40.8M |
| Magnetar Financial LLC | 0.38% | New | 2,810,019 | $38.0M |
| Glazer Capital, LLC | 0.95% | New | 2,745,000 | $37.2M |
| Kahn Brothers Group Inc. | 5.72% | Reduce -51.8% | 2,670,523 | $36.2M |
| Bank of New York Mellon Corp | 0.01% | Add +2.3% | 2,282,161 | $30.9M |
| Morgan Stanley | 0.00% | Reduce -33.1% | 2,202,199 | $29.8M |
| Balyasny Asset Management L.P. | 0.06% | Add +908.1% | 2,196,642 | $29.7M |
| Kryger Capital LLC | 1.67% | New | 2,152,693 | $29.1M |
| Alliancebernstein L.P. | 0.01% | Add +559.9% | 4,754,671 | $28.5M |
| Allianz Asset Management GmbH | 0.03% | Add +93.3% | 2,093,459 | $28.3M |
| Northern Trust Corp. | 0.00% | Add +8.7% | 2,080,508 | $28.2M |
| Vanguard Fiduciary Trust Co. | 0.00% | Add +3.0% | 1,660,492 | $22.5M |
| Invesco Ltd. | 0.00% | Reduce -26.2% | 1,643,187 | $22.2M |
| Westchester Capital Management, LLC | 0.97% | New | 1,426,578 | $19.3M |
| TIG Advisors, LLC | 0.87% | New | 1,400,283 | $19.0M |
| Water Island Capital LLC | 2.06% | New | 1,374,899 | $18.6M |
| Alpine Associates Management Inc. | 1.14% | New | 1,345,233 | $18.2M |
| Principal Financial Group Inc. | 0.01% | Add +0.5% | 1,266,614 | $17.1M |
| AQR Capital Management | 0.01% | Reduce -63.9% | 1,245,588 | $16.8M |
| FMR LLC | 0.00% | Reduce -53.6% | 1,187,549 | $16.1M |
| HSBC Holdings PLC | 0.01% | Add +4706.9% | 1,078,134 | $14.6M |
| Gotham Asset Management | 0.03% | Reduce -17.9% | 1,032,313 | $14.0M |
| Cerity Partners LLC | 0.02% | Reduce -56.3% | 1,009,842 | $13.7M |
| Gabelli Funds LLC | 0.08% | New | 954,910 | $12.9M |
| Polar Asset Management Partners Inc. | 0.31% | New | 949,806 | $12.9M |
| GFS Advisors, LLC | 1.31% | New | 1,267 | $12.3M |
| Public Sector Pension Investment Board | 0.03% | Reduce -3.0% | 902,195 | $12.2M |
| Healthcare of Ontario Pension Plan Trust Fund | 0.02% | New | 837,305 | $11.3M |
| Marshall Wace, LLP | 0.01% | Reduce -11.3% | 828,133 | $11.2M |
| Groupe la Francaise | 0.13% | New | 775,382 | $10.5M |
| Hotchkis & Wiley Capital Management LLC | 0.03% | Reduce -46.0% | 743,270 | $10.1M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Reduce -4.7% | 742,009 | $10.0M |
| Brandes Investment Partners, LP | 0.07% | Add +5.5% | 729,502 | $9.9M |
| D. E. Shaw & Co. | 0.01% | Reduce -72.8% | 718,753 | $9.7M |
| Tokio Marine Asset Management Co. Ltd. | 0.30% | New | 704,100 | $9.5M |
| Sagefield Capital LP | 0.70% | New | 701,857 | $9.5M |
| Legal & General Group Plc | 0.00% | Reduce -1.3% | 669,375 | $9.1M |
| P Schoenfeld Asset Management LP | 5.42% | New | 667,400 | $9.0M |
| Absolute Gestao de Investimentos Ltda. | 2.48% | New | 665,230 | $9.0M |
| Ameriprise Financial Inc. | 0.00% | Reduce -12.1% | 663,233 | $9.0M |
| Bank of America Corp. | 0.00% | Reduce -12.0% | 649,755 | $8.8M |
| Credit Industriel Et Commercial | 1.45% | New | 584,944 | $7.9M |
| Picton Mahoney Asset Management | 0.07% | Add +1045354.6% | 575,000 | $7.8M |
| American Century Companies Inc. | 0.00% | Add +18.8% | 567,310 | $7.7M |
| Wells Fargo & Company | 0.00% | Reduce -20.8% | 554,832 | $7.5M |
| Centiva Capital, LP | 0.25% | New | 554,800 | $7.5M |
| GABELLI & Co INVESTMENT ADVISERS, INC. | 1.09% | New | 548,700 | $7.4M |
| State of Wisconsin Investment Board | 0.01% | Add +255.1% | 538,388 | $7.3M |
| Swiss National Bank | 0.00% | Add +2.7% | 526,475 | $7.1M |
| WINTON GROUP Ltd | 0.22% | New | 509,862 | $6.9M |
| First Manhattan Co. Llc. | 0.02% | Reduce -46.9% | 504,647 | $6.8M |
| New York Life Investment Management LLC | 0.05% | New | 503,117 | $6.8M |
| Verition Fund Management LLC | 0.05% | New | 497,996 | $6.7M |
| Rhumbline Advisers | 0.01% | Add +1.1% | 496,563 | $6.7M |
| Nuveen, LLC | 0.00% | Add +3.7% | 486,400 | $6.6M |
| Alberta Investment Management Corp | 0.04% | New | 450,000 | $6.1M |
| Carmignac Gestion | 0.08% | New | 448,606 | $6.1M |
| Maven Securities LTD | 0.41% | New | 434,200 | $5.9M |
| Quantinno Capital Management LP | 0.01% | Add +59.1% | 421,790 | $5.7M |
| Franklin Resources Inc. | 0.00% | Add +44.3% | 408,184 | $5.5M |
| Vestcor Inc | 0.14% | Add +871.0% | 406,752 | $5.5M |
| LMR Partners LLP | 0.05% | Add +2903.4% | 396,842 | $5.4M |
| Citigroup Inc. | 0.00% | Reduce -34.3% | 392,268 | $5.3M |
| First Trust Capital Management L.P. | 0.31% | New | 390,939 | $5.3M |
| BNP Paribas Financial Markets | 0.00% | Add +168.7% | 390,745 | $5.3M |
| Squarepoint Ops LLC | 0.01% | Reduce -53.1% | 390,232 | $5.3M |
| Norges Bank | 0.00% | — | 374,251 | $5.1M |
| Readystate Asset Management LP | 0.32% | New | 351,863 | $4.8M |
| Citadel Advisors | 0.00% | Reduce -82.8% | 344,359 | $4.7M |
| JPMorgan Chase & Co. | 0.00% | Add +6.7% | 318,314 | $4.5M |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 0.01% | Reduce -39.7% | 315,858 | $4.3M |
| California State Teachers Retirement System | 0.00% | Reduce -8.2% | 300,215 | $4.1M |
| Tidal Investments LLC | 0.01% | Add +18.1% | 285,099 | $3.9M |
| CM Management, LLC | 2.36% | Reduce -31.3% | 275,000 | $3.7M |
| Sector Gamma As | 0.80% | Reduce -28.0% | 270,781 | $3.7M |
| VANGUARD ASSET MANAGEMENT, Ltd | 0.00% | Add +8.5% | 248,207 | $3.4M |
| Two Sigma Investments, LP | 0.00% | Reduce -92.3% | 241,392 | $3.3M |
| T. Rowe Price Associates Inc. | 0.00% | Add +19.2% | 239,671 | $3.2M |
| Prudential Financial Inc. | 0.00% | Reduce -0.5% | 239,262 | $3.2M |
| New York State Teachers Retirement System | 0.01% | Add +13.2% | 233,278 | $3.2M |
| PDT Partners, LLC | 0.16% | Reduce -17.0% | 230,275 | $3.1M |
| 180 Wealth Advisors, LLC | 0.31% | Reduce -0.7% | 226,383 | $3.1M |
| Susquehanna International Group, LLP | 0.00% | Reduce -79.5% | 221,647 | $3.0M |
"% of holder's portfolio" is OGN's weight in each manager's 13F, not the share of Organon & Co. the manager owns.