OGNOrganon & Co.

$13.77

Who owns OGN

593 institutions reported holding OGN for 2026Q1, together 76% of the company, fewer than the 624 a quarter earlier.

593

Institutions reporting a position · as of 2026Q1 · down from 624 the quarter before

Shares held by institutions
199.2M

Shares held by institutions · 76% of the company · long US equity positions only, as reported on Form 13F

Reported value
$1.19B

Reported value · at 2026-03-31 prices, not today's

Top 5 holders
35%

Top 5 holders · of the whole company, between five filers

Details
Reporting quarter2026-03-31
2026Q1
Quarters on record
20
New positions
72
Positions exited
108
Added to
123
Reduced
188
Top 10 holdersof the company
44%
Institutional ownership by quarter, 2021Q2 to 2026Q1
QuarterFilersSharesReported value
2026Q1593199.2M$1.19B
2025Q4624197.8M$1.42B
2025Q3660199.9M$2.13B
2025Q2678213.5M$2.07B
2025Q1703202.4M$3.02B
2024Q4716205.4M$3.07B
2024Q3711198.9M$3.80B
2024Q2711198.0M$4.10B
2024Q1710199.0M$3.74B
2023Q4706196.3M$2.83B
2023Q3714197.5M$3.43B
2023Q2716197.7M$4.10B
2023Q1754197.2M$4.64B
2022Q4809198.0M$5.59B
2022Q3780193.8M$4.54B
2022Q2840192.5M$6.50B
Largest reported holders, 2026Q1
HolderShares% of companyValue
VANGUARD GROUP INC35.8M14%$214M
BlackRock Inc.31.7M12%$190M
STATE STREET CORP10.0M3.8%$60M
LSV ASSET MANAGEMENT7.3M2.8%$43M
MILLENNIUM MANAGEMENT LLC6.8M2.6%$41M
KAHN BROTHERS GROUP INC5.5M2.1%$33M
CANADA PENSION PLAN INVESTMENT BOARD5.0M1.9%$30M
GEODE CAPITAL MANAGEMENT LLC4.8M1.8%$29M
PRIVATE MANAGEMENT GROUP INC4.4M1.7%$26M
Think Investments LP4.0M1.5%$24M

SEC Form 13F data sets (DERA bulk files). 13F is quarterly, filed up to 45 days late, and covers long US equity positions only, no shorts, no derivatives, nothing held below the reporting threshold.

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