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Organon & Co.

OGN
Exchange
NYSE
Industry
Pharmaceutical Preparations
SEC CIK
0001821825

In the last 90 days, Organon & Co. insiders filed 0 open-market purchases and 1 sale; 636 institutions reported holding it in 13F filings for Q2 2026, worth $2.94B in total; no superinvestor holds it.

13F holders, Q2 2026

Institutional positions in Organon & Co. as of Jun 30, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
636
+32 vs. Q1 2026
Shares held
218.6M
+19.0M (+9.5%) vs. Q1 2026
Total value
$2.94B
+$1.74B (+145.2%) vs. Q1 2026
New holders
122
120 more added
Sold out
90
194 more reduced

6 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2026: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting OGN on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ2 2026: 636 institutions
Q1 2021: 1 institutionQ2 2021: 994 institutionsQ3 2021: 934 institutionsQ4 2021: 911 institutionsQ1 2022: 822 institutionsQ2 2022: 855 institutionsQ3 2022: 793 institutionsQ4 2022: 823 institutionsQ1 2023: 769 institutionsQ2 2023: 728 institutionsQ3 2023: 732 institutionsQ4 2023: 719 institutionsQ1 2024: 719 institutionsQ2 2024: 726 institutionsQ3 2024: 725 institutionsQ4 2024: 740 institutionsQ1 2025: 721 institutionsQ2 2025: 696 institutionsQ3 2025: 671 institutionsQ4 2025: 636 institutionsQ1 2026: 610 institutionsQ2 2026: 636 institutions
Value heldQ2 2026: $2.94B
Q1 2021: $103.0KQ2 2021: $5.28BQ3 2021: $5.67BQ4 2021: $5.51BQ1 2022: $6.65BQ2 2022: $6.56BQ3 2022: $4.86BQ4 2022: $5.89BQ1 2023: $4.89BQ2 2023: $4.24BQ3 2023: $3.56BQ4 2023: $2.96BQ1 2024: $3.95BQ2 2024: $4.13BQ3 2024: $3.82BQ4 2024: $3.07BQ1 2025: $3.03BQ2 2025: $2.07BQ3 2025: $2.14BQ4 2025: $1.43BQ1 2026: $1.20BQ2 2026: $2.94B
Institutions holding OGN and their total value by quarter
QuarterHoldersValue
Q2 2026636$2.94B
Q1 2026610$1.20B
Q4 2025636$1.43B
Q3 2025671$2.14B
Q2 2025696$2.07B
Q1 2025721$3.03B
Q4 2024740$3.07B
Q3 2024725$3.82B
Q2 2024726$4.13B
Q1 2024719$3.95B
Q4 2023719$2.96B
Q3 2023732$3.56B
Q2 2023728$4.24B
Q1 2023769$4.89B
Q4 2022823$5.89B
Q3 2022793$4.86B
Q2 2022855$6.56B
Q1 2022822$6.65B
Q4 2021911$5.51B
Q3 2021934$5.67B
Q2 2021994$5.28B
Q1 20211$103.0K

Institutions, Q2 2026

Shares, value and share of portfolio for each institution holding Organon & Co.; share changes are against Q1 2026.

Institutions holding OGN in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock, Inc.32,056,866$434.0M0.01%+339,838+1.1%Added
Pentwater Capital Management LP18,100,000$245.1M1.96%+18,100,000New
Vanguard Portfolio Management LLC15,132,118$204.9M0.01%−6,713,918−30.7%Reduced
Vanguard Capital Management LLC11,909,865$161.3M0.00%+172,847+1.5%Added
State Street Corp9,659,371$130.8M0.00%−297,403−3.0%Reduced
Goldman Sachs Group Inc5,199,002$70.4M0.01%+3,593,677+223.9%Added
UBS Group AG4,856,529$65.8M0.01%+1,384,950+39.9%Added
Geode Capital Management, LLC4,815,610$65.2M0.00%+56,273+1.2%Added
Man Group plc4,180,500$56.6M0.10%+4,180,500New
CNH Partners LLC3,880,354$52.4M0.75%+3,880,354New
Private Management Group Inc3,742,161$50.7M1.33%−631,947−14.4%Reduced
LSV Asset Management3,737,036$50.6M0.09%−3,522,694−48.5%Reduced
Charles Schwab Investment Management Inc3,457,262$46.8M0.01%+94,913+2.8%Added
Millennium Management LLC3,442,430$46.6M0.03%−3,339,105−49.2%Reduced
Dimensional Fund Advisors LP3,266,826$44.2M0.01%+1,5460.0%Added
First Trust Advisors LP3,099,481$42.0M0.02%−127,839−4.0%Reduced
Capula Management Ltd3,049,207$41.3M0.18%+3,049,207New
Highland Capital Management Fund Advisors, L.P.3,009,630$40.8M2.72%+3,009,630New
Magnetar Financial LLC2,810,019$38.0M0.35%+2,810,019New
Glazer Capital, LLC2,745,000$37.2M0.92%+2,745,000New
Kahn Brothers Group Inc2,670,523$36.2M5.72%−2,866,470−51.8%Reduced
Bank of New York Mellon Corp2,282,161$30.9M0.01%+50,400+2.3%Added
Morgan Stanley2,202,199$29.8M0.00%−1,090,485−33.1%Reduced
Balyasny Asset Management LLC2,196,642$29.7M0.05%+1,978,742+908.1%Added
Kryger Capital LLC2,152,693$29.1M1.66%+2,152,693New
Alliancebernstein L.P.4,754,671$28.5M0.01%+4,034,159+559.9%Added
Allianz Asset Management GmbH2,093,459$28.3M0.03%+1,010,711+93.3%Added
Northern Trust Corp2,080,508$28.2M0.00%+166,394+8.7%Added
Vanguard Fiduciary Trust Co1,660,492$22.5M0.00%+48,435+3.0%Added
Invesco Ltd.1,643,187$22.2M0.00%−583,527−26.2%Reduced
Westchester Capital Management, LLC1,426,578$19.3M0.97%+1,426,578New
TIG Advisors, LLC1,400,283$19.0M0.87%+1,400,283New
Water Island Capital LLC1,374,899$18.6M1.97%+1,374,899New
Alpine Associates Management Inc.1,345,233$18.2M1.14%+1,345,233New
Principal Financial Group Inc1,266,614$17.1M0.01%+5,925+0.5%Added
AQR Capital Management LLC1,245,588$16.8M0.01%−2,205,038−63.9%Reduced
FMR LLC1,187,549$16.1M0.00%−1,371,143−53.6%Reduced
HSBC Holdings PLC1,078,134$14.6M0.01%+1,055,705+4,706.9%Added
Gotham Asset Management, LLC1,032,313$14.0M0.03%−224,742−17.9%Reduced
Cerity Partners LLC1,009,842$13.7M0.02%−1,299,197−56.3%Reduced
Gabelli Funds LLC954,910$12.9M0.08%+954,910New
Polar Asset Management Partners Inc.949,806$12.9M0.24%+949,806New
GFS Advisors, LLC1,267$12.3M0.65%+1,267New
Public Sector Pension Investment Board902,195$12.2M0.03%−27,899−3.0%Reduced
Healthcare of Ontario Pension Plan Trust Fund837,305$11.3M0.02%+837,305New
Marshall Wace, LLP828,133$11.2M0.01%−105,043−11.3%Reduced
Groupe la Francaise775,382$10.5M0.13%+775,382New
Hotchkis & Wiley Capital Management LLC743,270$10.1M0.03%−632,690−46.0%Reduced
UBS Asset Management Americas Inc742,009$10.0M0.00%−36,896−4.7%Reduced
Brandes Investment Partners, LP729,502$9.88M0.07%+37,877+5.5%Added
D. E. Shaw & Co., Inc.718,753$9.73M0.01%−1,925,799−72.8%Reduced
Tokio Marine Asset Management Co Ltd704,100$9.53M0.30%+704,100New
Sagefield Capital LP701,857$9.50M0.70%+701,857New
Legal & General Group Plc669,375$9.06M0.00%−8,668−1.3%Reduced
P Schoenfeld Asset Management LP667,400$9.04M5.37%+667,400New
Absolute Gestao de Investimentos Ltda.665,230$9.01M2.48%+665,230New
Ameriprise Financial Inc663,233$8.98M0.00%−91,007−12.1%Reduced
Bank of America Corp649,755$8.80M0.00%−88,747−12.0%Reduced
Credit Industriel Et Commercial584,944$7.92M0.86%+584,944New
Picton Mahoney Asset Management575,000$7.79M0.07%+574,945+1,045,354.5%Added
American Century Companies Inc567,310$7.68M0.00%+89,574+18.7%Added
Wells Fargo & Company554,832$7.51M0.00%−145,767−20.8%Reduced
Centiva Capital, LP554,800$7.51M0.25%+554,800New
Gabelli & Co Investment Advisers, Inc.548,700$7.43M1.08%+548,700New
State of Wisconsin Investment Board538,388$7.29M0.01%+386,782+255.1%Added
Swiss National Bank526,475$7.13M0.00%+13,900+2.7%Added
Winton Group Ltd509,862$6.90M0.22%+509,862New
First Manhattan Co504,647$6.83M0.02%−445,525−46.9%Reduced
New York Life Investment Management LLC503,117$6.81M0.05%+503,117New
Verition Fund Management LLC497,996$6.74M0.05%+497,996New
Rhumbline Advisers496,563$6.72M0.01%+5,142+1.0%Added
Nuveen, LLC486,400$6.59M0.00%+17,469+3.7%Added
Alberta Investment Management Corp450,000$6.09M0.04%+450,000New
Carmignac Gestion448,606$6.07M0.08%+448,606New
Maven Securities LTD434,200$5.88M0.41%+434,200New
Quantinno Capital Management LP421,790$5.71M0.01%+156,766+59.2%Added
Franklin Resources Inc408,184$5.53M0.00%+125,271+44.3%Added
Vestcor Inc406,752$5.51M0.14%+364,864+871.0%Added
LMR Partners LLP396,842$5.37M0.04%+383,629+2,903.4%Added
Citigroup Inc392,268$5.31M0.00%−204,504−34.3%Reduced
Vivaldi Asset Management, LLC390,939$5.29M0.31%+390,939New
BNP Paribas Arbitrage, SA390,745$5.29M0.00%+245,300+168.7%Added
Squarepoint Ops LLC390,232$5.28M0.01%−441,192−53.1%Reduced
Norges Bank374,251$5.07M0.00%+374,251New
Readystate Asset Management LP351,863$4.76M0.19%+351,863New
Citadel Advisors LLC344,359$4.66M0.00%−1,654,031−82.8%Reduced
JPMorgan Chase & Co318,314$4.48M0.00%+19,988+6.7%Added
Universal- Beteiligungs- und Servicegesellschaft mbH315,858$4.28M0.01%−207,614−39.7%Reduced
California State Teachers Retirement System300,215$4.06M0.00%−26,860−8.2%Reduced
Toroso Investments, LLC285,099$3.86M0.01%+43,687+18.1%Added
CM Management, LLC275,000$3.72M2.36%−125,000−31.3%Reduced
Sector Gamma AS270,781$3.67M0.80%−105,193−28.0%Reduced
Vanguard Asset Management, Ltd248,207$3.36M0.00%+19,435+8.5%Added
Two Sigma Investments, LP241,392$3.27M0.00%−2,895,628−92.3%Reduced
Price T Rowe Associates Inc239,671$3.25M0.00%+38,539+19.2%Added
Prudential Financial Inc239,262$3.24M0.00%−1,265−0.5%Reduced
New York State Teachers Retirement System233,278$3.16M0.01%+27,157+13.2%Added
PDT Partners, LLC230,275$3.12M0.16%−47,132−17.0%Reduced
180 Wealth Advisors, LLC226,383$3.07M0.31%−1,588−0.7%Reduced
Susquehanna International Group, LLP221,647$3.00M0.00%−861,113−79.5%Reduced