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Organon & Co OGN

US equityMarket cap rank #2358
$13.70 −$0.02 (-0.15%)
Market closed · Oct 5, 10:20 pm ET · Last extended-hours $13.70 0.00%
Open$13.72
Prev close$13.72
Day range$13.70 – $13.75
Volume2.88M
Market cap$3.60B
P/E (TTM)17.6
Dividend yield0.58%

Ownership & positioning

Who holds it, who is betting against it, and where the big money is moving

Institutional ownership83.8%-0.20 pts vs. prior quarter
Institutions holding703-2 vs. prior quarter
Insider trades (recent)34 buys / 16 sellsNet buying
Short interest6.68% of floatDays to cover 5.5 · as of 15 Sep 2026
Short-sale volume share25.6%5-day average of daily volume

Short-sale volume as % of daily volume

15%22%28%35%Sep '26Sep '26Oct '26

Large-order net flow, last 20 sessions

Net of large-order buying minus selling, in USD. Over this window: −$9.91M (8 inflow days, 12 outflow days).

The five largest holders on file together own 33.7% of shares outstanding.

Largest holders

  • BlackRock12.21%
  • Pentwater Capital Management LP6.89%
  • Vanguard Portfolio Management, LLC5.76%
  • Vanguard Capital Management, LLC5.17%
  • State Street Global Advisors3.68%
  • UBS Asset Management2.13%
  • AQR Capital Management1.95%
  • Geode Capital Management, LLC1.83%

By investor type

  • Mutual Fund54.87%
  • Hedge Fund22.73%
  • Public Company3.22%
  • Government Pension Fund1.85%
  • Individual/Insider0.49%
  • Private Company0.45%
  • Family Office/Trust0.22%
  • Corporate Pension Plan0.15%

Reported short interest has risen from 6.51% to 6.68% of float over the last 6 biweekly reports (30 Jun 2026 to 15 Sep 2026).

Short interest, by report

Report dateShares short% of floatDays to cover
15 Sep 2026 17,529,739 6.7% 5.5
31 Aug 2026 16,695,178 6.4% 5.1
14 Aug 2026 15,138,620 5.8% 6.1
31 Jul 2026 16,806,674 6.4% 6.2
15 Jul 2026 16,243,541 6.2% 6.4
30 Jun 2026 17,087,338 6.5% 6.9

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