OGNOrganon & Co.

$13.81+33% 1Y
Latest close: a new 52-week highOct 9, 2026what changed →

Who owns OGN

625 institutions reported holding OGN for 2026Q2, together 83% of the company, more than the 600 a quarter earlier.

625

Institutions reporting a position · as of 2026Q2 · up from 600 the quarter before

Shares held by institutions
218.6M

Shares held by institutions · 83% of the company · long US equity positions only, as reported on Form 13F

Reported value
$2.94B

Reported value · at Jun 30, 2026 prices, not today's

Top 5 holders
36%

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

Details›
Reporting quarter2026-06-30
2026Q2
Quarters on record
21
New positions
120
Positions exited
95
Added to
103
Reduced
183
Top 10 holdersof the company
44%
Shares sold shortsettled Sep 15, 2026
17.5M
Short interestof shares outstanding
6.7%
Days to coverat the average daily volume
5.5
Change in the short positionsince the Aug 31, 2026 count
+5.0%
Institutional ownership by quarter, 2021Q2 to 2026Q2
QuarterFilersSharesReported value
2026Q2625218.6M$2.94B
2026Q1600199.7M$1.20B
2025Q4628198.7M$1.43B
2025Q3663199.9M$2.13B
2025Q2681213.6M$2.07B
2025Q1706202.4M$3.02B
2024Q4720205.4M$3.07B
2024Q3714199.0M$3.81B
2024Q2714198.1M$4.10B
2024Q1713199.0M$3.74B
2023Q4709196.4M$2.83B
2023Q3718197.6M$3.43B
2023Q2719197.8M$4.10B
2023Q1757197.3M$4.64B
2022Q4813198.1M$5.60B
2022Q3783193.9M$4.55B
Largest reported holders, 2026Q2
HolderShares% of companyValue
BlackRock Inc.32.1M12%$434M
VANGUARD GROUP INC29.2M11%$395M
Pentwater Capital Management LP18.1M6.9%$245M
STATE STREET CORP9.7M3.7%$131M
GOLDMAN SACHS GROUP INC5.2M2.0%$70M
UBS Group AG4.9M1.8%$66M
GEODE CAPITAL MANAGEMENT LLC4.8M1.8%$65M
ALLIANCEBERNSTEIN L.P.4.8M1.8%$64M
Man Group plc4.2M1.6%$57M
AQR Arbitrage LLC3.9M1.5%$52M
Short interest by settlement date, Aug 29, 2025 to Sep 15, 2026
SettlementShares shortOf shares outstandingDays to cover
Sep 15, 202617.5M6.7%5.5
Aug 31, 202616.7M6.3%5.1
Aug 14, 202615.1M5.8%6.1
Jul 31, 202616.8M6.4%6.2
Jul 15, 202616.2M6.2%6.4
Jun 30, 202617.1M6.5%6.9
Jun 15, 202619.0M7.2%7.9
May 29, 202618.1M6.9%5.5
May 15, 202620.0M7.6%3.2
Apr 30, 202619.5M7.4%1.0
Apr 15, 202618.6M7.1%1.9
Mar 31, 202622.1M8.4%6.0

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. The short position is FINRA's consolidated count for each twice-monthly settlement date, as a share of shares outstanding.

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