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Equibles

OGN

Organon & Co.

Company with tickers: OGN

CIK
1821825
CUSIP
68622V106
Shares Outstanding
262,600,862
13F Activity (30d)
138 filings 132 filers

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 550
Total Value: $633,785,563
Total Shares: 105,807,334
Showing 1–100 of 563 holdings by value · page 1 of 6

Institutional Ownership Trend

25 quarters

Superinvestors Holding OGN

All superinvestors →
Joel Greenblatt $7,529,759 Ray Dalio $3,560,953

Holder Concentration

Across 550 13F filers · Δ vs Dec 31, 2025
Top Holder
12.7%
Jun 2023 → Mar 2026 · range 11.0% – 17.6%
+1.7 pts
Top 5
42.6%
Jun 2023 → Mar 2026 · range 34.8% – 45.8%
+7.9 pts
Top 10
59.5%
Jun 2023 → Mar 2026 · range 52.3% – 59.5%
+7.3 pts
HHI
498
Jun 2023 → Mar 2026 · range 381 – 653
Broadly held+118

Quarterly Activity

vs Dec 31, 2025
New
76
Increased
109
Decreased
179
Sold Out
118
Unchanged
186
Holder count: -42
Institutional value: +1.4%
Shares held: +21.3%

Top Buyers

vs Dec 31, 2025
Institution Added Now Holds Open
Small KAHN BROTHERS GROUP INC +1,907,542 5,536,993
Mega FIRST TRUST ADVISORS LP +1,415,239 3,227,320
Large Cerity Partners LLC +1,217,325 2,309,039
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP +1,004,594 2,551,660
Mega TWO SIGMA INVESTMENTS, LP +966,544 3,137,020

Top Sellers

vs Dec 31, 2025
Institution Sold Now Holds Open
Large Gotham Asset Management, LLC −1,396,762 1,257,055
Large Walleye Capital LLC −1,297,154 645,725
Large CAPITAL FUND MANAGEMENT S.A. −821,900 266,200
Mega D. E. Shaw & Co., Inc. −742,172 2,662,152
Large Bridgewater Associates, LP −314,742 594,483

Top New Positions

vs Dec 31, 2025
Institution Acquired Value (USD) Open
Mega VANGUARD CAPITAL MANAGEMENT LLC 25,454,199 $152,470,651
Small Think Investments LP 4,000,000 $23,960,000
Mega VANGUARD FIDUCIARY TRUST CO 1,612,057 $9,656,221
Small Lombard Odier Asset Management (USA) Corp 570,000 $3,414,300
Large Trexquant Investment LP 402,790 $2,412,712

Top Sold-Out Positions

vs Dec 31, 2025
Institution Previously Held Last Value (USD) Open
Mid PRIVATE MANAGEMENT GROUP INC 4,347,073 $31,168,513
Mega UBS Group AG 4,295,002 $30,795,163
Small Sio Capital Management, LLC 3,421,765 $24,534,055
Large TWO SIGMA ADVISERS, LP 1,736,800 $12,452,856
Large M&G PLC 992,312 $7,114,877
Filter: New 76 Increased 109 Reduced 179 Sold out 118 Unchanged 186
Showing 100 of 563
All Common Calls Puts
Export CSV
Holder Value (USD) % of 13F Shares Open
Mega VANGUARD CAPITAL MANAGEMENT LLC $82,165,914 12.96% 13,717,181
Mega VANGUARD CAPITAL MANAGEMENT LLC $70,304,737 11.09% 11,737,018
Mega STATE STREET CORP $59,641,076 9.41% 9,956,774
Large LSV ASSET MANAGEMENT $43,485,782 6.86% 7,259,730
Small KAHN BROTHERS GROUP INC $33,166,588 5.23% 5,536,993
Mega GEODE CAPITAL MANAGEMENT, LLC $28,508,428 4.50% 4,759,337
Small Think Investments LP $23,960,000 3.78% 4,000,000
Mega FIRST TRUST ADVISORS LP $19,331,646 3.05% 3,227,320
Mega TWO SIGMA INVESTMENTS, LP $18,790,749 2.96% 3,137,020
Mega D. E. Shaw & Co., Inc. $15,840,865 2.50% 2,644,552
Large Cerity Partners LLC $13,831,142 2.18% 2,309,039
Mega NORTHERN TRUST CORP Bank $11,465,540 1.81% 1,914,114
Mega VANGUARD FIDUCIARY TRUST CO Bank $9,656,221 1.52% 1,612,057
Large Parallax Volatility Advisers, L.P. $9,595,980 1.51% 1,602,000
Mega PRINCIPAL FINANCIAL GROUP INC $7,551,527 1.19% 1,260,689
Large Gotham Asset Management, LLC $7,529,759 1.19% 1,257,055
Large Mitsubishi UFJ Trust & Banking Corp $6,507,349 1.03% 1,086,369
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $6,485,732 1.02% 1,082,760
Large Allianz Asset Management GmbH $6,485,660 1.02% 1,082,748
Large MARSHALL WACE, LLP $5,589,724 0.88% 933,176
Large Public Sector Pension Investment Board Pension $5,571,263 0.88% 930,094
Large Squarepoint Ops LLC $4,980,229 0.79% 831,424
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $4,948,938 0.78% 826,200
Mega UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC $4,665,637 0.74% 778,905
Mega Legal & General Group Plc $4,061,476 0.64% 678,043
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $3,849,773 0.61% 642,700
Mega CITIGROUP INC $3,574,662 0.56% 596,772
Large Bridgewater Associates, LP $3,560,953 0.56% 594,483
Large Universal- Beteiligungs- und Servicegesellschaft mbH $3,135,597 0.49% 523,472
Mid Douglas Lane & Associates, LLC $3,130,625 0.49% 522,642
Mega Swiss National Bank Bank $3,070,324 0.48% 512,575
Mega RHUMBLINE ADVISERS $2,943,611 0.46% 491,421
Mega AMERICAN CENTURY COMPANIES INC $2,861,638 0.45% 477,736
Mid Y-Intercept (Hong Kong) Ltd $2,854,163 0.45% 476,488
Mega Nuveen, LLC $2,808,896 0.44% 468,931
Large Trexquant Investment LP $2,412,712 0.38% 402,790
Small CM Management, LLC $2,396,000 0.38% 400,000
Large Walleye Capital LLC $2,354,818 0.37% 393,125
Small Lombard Odier Asset Management (USA) Corp $2,276,200 0.36% 380,000
Small SECTOR GAMMA AS $2,252,084 0.36% 375,974
Large CIBC Bancorp USA Inc. Bank $2,040,918 0.32% 340,721
Mega RAYMOND JAMES FINANCIAL INC $1,964,329 0.31% 327,935
Large CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM Pension $1,959,179 0.31% 327,075
Large HRT FINANCIAL LP $1,905,898 0.30% 318,180
Mega Vanguard Global Advisers, LLC $1,683,872 0.27% 281,114
Mid PDT Partners, LLC $1,661,667 0.26% 277,407
Mid State of Alaska, Department of Revenue $1,642,026 0.26% 274,128
Large Quantinno Capital Management LP $1,587,493 0.25% 265,024
Large Parallax Volatility Advisers, L.P. $1,527,450 0.24% 255,000
Small Orographic Financial Advisors, LLC $1,522,658 0.24% 254,200
Large LOS ANGELES CAPITAL MANAGEMENT LLC $1,478,643 0.23% 246,852
Large Tidal Investments LLC $1,446,057 0.23% 241,412
Mid Advisors Asset Management, Inc. $1,395,975 0.22% 233,051
Mid HARBOR CAPITAL ADVISORS, INC. $1,370,368 0.22% 228,776
Mega VANGUARD ASSET MANAGEMENT, Ltd $1,370,344 0.22% 228,772
Small 180 WEALTH ADVISORS, LLC $1,365,546 0.22% 227,971
Large STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM Pension $1,348,816 0.21% 225,178
Small Poehling Capital Management, INC. $1,313,535 0.21% 219,288
Large SG Americas Securities, LLC Broker-Dealer $1,295,750 0.20% 216,319
Large NEW YORK STATE TEACHERS RETIREMENT SYSTEM Pension $1,234,664 0.19% 206,121
Large STIFEL FINANCIAL CORP $1,182,736 0.19% 197,452
Large Walleye Capital LLC $1,171,045 0.18% 195,500
Large SEI INVESTMENTS CO $1,138,441 0.18% 190,057
Small Lombard Odier Asset Management (USA) Corp $1,138,100 0.18% 190,000
Large ExodusPoint Capital Management, LP $1,095,247 0.17% 182,846
Mid Howard Capital Management Inc. $1,071,772 0.17% 178,927
Mid VestGen Advisors, LLC $1,022,007 0.16% 170,619
Mid Brevan Howard Capital Management LP $976,771 0.15% 163,067
Mid SUSQUEHANNA ADVISORS GROUP, INC. $975,860 0.15% 162,915
Small TWINBEECH CAPITAL LP $938,758 0.15% 156,721
Large CAPITAL FUND MANAGEMENT S.A. $925,455 0.15% 154,500
Mega LPL Financial LLC $917,308 0.14% 153,140
Mid Illinois Municipal Retirement Fund Pension $904,717 0.14% 151,038
Mega BNP PARIBAS ARBITRAGE, SA $871,215 0.14% 145,445
Mid Campbell & CO Investment Adviser LLC $768,570 0.12% 128,309
Large NEW YORK STATE COMMON RETIREMENT FUND Pension $730,019 0.12% 121,873
Mid KLCM Advisors, Inc. $700,572 0.11% 116,957
Large Russell Investments Group, Ltd. $697,431 0.11% 116,433
Mid Louisiana State Employees Retirement System Pension $690,647 0.11% 115,300
Large CAPITAL FUND MANAGEMENT S.A. $669,083 0.11% 111,700
Large Treasurer of the State of North Carolina $665,932 0.11% 111,174
Large OSAIC HOLDINGS, INC. $661,887 0.10% 110,499
Large Police & Firemen's Retirement System of New Jersey Pension $658,750 0.10% 109,975
Large State of Tennessee, Department of Treasury $642,697 0.10% 107,295
Small Aviance Capital Partners, LLC $633,280 0.10% 105,723
Small Philip James Wealth Mangement, LLC $603,768 0.10% 100,796
Large Walleye Trading LLC $543,892 0.09% 90,800
Large Zurcher Kantonalbank (Zurich Cantonalbank) Bank $539,902 0.09% 90,134
Small FOX RUN MANAGEMENT, L.L.C. $534,523 0.08% 89,236
Large State of New Jersey Common Pension Fund D Pension $532,217 0.08% 88,851
Large Squarepoint Ops LLC $523,526 0.08% 87,400
Small VARCOV Co. $522,938 0.08% 87,302
Large GUGGENHEIM CAPITAL LLC $520,063 0.08% 86,822
Mid Integrated Wealth Concepts LLC $513,127 0.08% 85,664
Small ACORN FINANCIAL ADVISORY SERVICES INC /ADV $505,160 0.08% 84,334
Small Atlas Brown,Inc. $480,260 0.08% 80,177
Large AMALGAMATED BANK Bank $475,677 0.08% 79,412
Large Creative Planning $473,461 0.07% 79,042
Mega PNC FINANCIAL SERVICES GROUP, INC. $468,754 0.07% 78,257
Mid Arnhold LLC $461,409 0.07% 77,030

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