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Replimune REPL

US equityMarket cap rank #3098
$13.15 +$0.08 (+0.61%)
Market closed · Oct 6, 4:10 am ET · Last extended-hours $13.15 0.00%
Open$13.14
Prev close$13.07
Day range$12.51 – $13.29
Volume2.28M
Market cap$1.24B
P/E (TTM)–
Dividend yield–

Ownership & positioning

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

Institutional ownership104.2%-10.06 pts vs. prior quarter
Institutions holding228+2 vs. prior quarter
Insider trades (recent)26 buys / 24 sellsNet buying
Short interest24.15% of floatDays to cover 11.1 · as of 15 Sep 2026
Short-sale volume share21.3%5-day average of daily volume

Short-sale volume as % of daily volume

19%22%26%30%Sep '26Sep '26Oct '26

Large-order net flow, last 20 sessions

Net of large-order buying minus selling, in USD. Over this window: −$7.82M (5 inflow days, 15 outflow days).

The five largest holders on file together own 43.9% of shares outstanding.

Largest holders

  • Baker Bros. Advisors LP11.72%
  • BlackRock9.51%
  • RTW Investments, LP7.87%
  • Ridgeback Capital Management LLC7.76%
  • Montanova Capital, LLC7.01%
  • State Street Global Advisors4.71%
  • The Goldman Sachs Group, Inc.4.63%
  • Boxer Capital Management, LLC4.23%

By investor type

  • Hedge Fund46.33%
  • Mutual Fund42.96%
  • Public Company7.62%
  • Private Company3.78%
  • VC/PE Fund3.00%
  • Individual/Insider1.59%
  • Insurance Company0.33%
  • Government Pension Fund0.17%

Reported short interest has fallen from 28.19% to 24.15% 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 22,754,597 24.2% 11.1
31 Aug 2026 23,519,650 25.0% 8.9
14 Aug 2026 24,866,611 26.5% 4.0
31 Jul 2026 27,540,626 32.8% 3.3
15 Jul 2026 23,654,362 28.2% 9.4
30 Jun 2026 23,666,879 28.2% 6.4

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