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Sarepta Therapeutics SRPT

US equityMarket cap rank #2841
$17.49 −$0.01 (-0.06%)
Market closed · Oct 6, 4:10 am ET · Last extended-hours $17.34 -0.86%
Open$17.39
Prev close$17.50
Day range$17.10 – $17.55
Volume2.20M
Market cap$1.85B
P/E (TTM)–
Dividend yield–

Ownership & positioning

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

Institutional ownership102.8%+0.20 pts vs. prior quarter
Institutions holding384-1 vs. prior quarter
Insider trades (recent)26 buys / 24 sellsNet buying
Short interest24.08% of floatDays to cover 8.0 · as of 15 Sep 2026
Short-sale volume share26.8%5-day average of daily volume

Short-sale volume as % of daily volume

20%24%28%32%Sep '26Sep '26Oct '26

Large-order net flow, last 20 sessions

Net of large-order buying minus selling, in USD. Over this window: +$660.2K (10 inflow days, 10 outflow days).

The five largest holders on file together own 43.7% of shares outstanding.

Largest holders

  • BlackRock17.98%
  • State Street Global Advisors8.44%
  • Vanguard Portfolio Management, LLC7.93%
  • Vanguard Capital Management, LLC5.01%
  • Two Sigma Investments, LP4.35%
  • First Trust Advisors L.P.4.13%
  • AQR Capital Management4.04%
  • Richard Barry3.05%

By investor type

  • Mutual Fund73.81%
  • Hedge Fund18.27%
  • Public Company7.24%
  • Individual/Insider4.78%
  • Private Company1.51%
  • Government Pension Fund1.11%
  • VC/PE Fund0.46%
  • Insurance Company0.30%

Reported short interest has fallen from 27.22% to 24.08% 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 25,434,681 24.1% 8.0
31 Aug 2026 24,621,090 23.3% 8.5
14 Aug 2026 27,049,885 25.6% 9.1
31 Jul 2026 27,566,969 26.1% 8.8
15 Jul 2026 28,489,470 27.0% 9.2
30 Jun 2026 28,734,169 27.2% 5.8

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