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OGN · Organon & Co.

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$13.74 +0.01 (+0.07%) At close · Aug 20
Market Cap
$3.61B
Shares
262.61M

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: 636
Total Value: $3,051,764,152
Total Shares: 225,434,429

Institutional Ownership Trend

26 quarters

Holder Concentration

Across 636 13F filers · Δ vs Mar 31, 2026
Top Holder
14.2%
Sep 2023 → Jun 2026 · range 14.2% – 18.0%
−1.2 pts
Top 5
38.5%
Sep 2023 → Jun 2026 · range 38.5% – 45.7%
−1.6 pts
Top 10
49.1%
Sep 2023 → Jun 2026 · range 49.1% – 58.6%
−4.1 pts
HHI
422
Sep 2023 → Jun 2026 · range 422 – 669
Broadly held−74

Quarterly Activity

vs Mar 31, 2026
New
122
Increased
120
Decreased
193
Sold Out
101
Unchanged
201
Holder count: +21
Institutional value: +147.8%
Shares held: +9.6%

Top Buyers

vs Mar 31, 2026
Institution Added Now Holds Open

Top Sellers

vs Mar 31, 2026
Institution Sold Now Holds Open

Top New Positions

vs Mar 31, 2026
Institution Acquired Value (USD) Open

Top Sold-Out Positions

vs Mar 31, 2026
Institution Previously Held Last Value (USD) Open
Showing 100 of 657
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Holder Value (USD) % of 13F Shares Open
Key facts CIK 1821825 CUSIP 68622V106 13F (30d) 559 filings 532 filers Visit website Investor relations