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Tarsus Pharmaceuticals TARS

US equityMarket cap rank #2378
$74.46 +$1.46 (+1.99%)
Market closed · Oct 5, 10:20 pm ET · Last extended-hours $74.46 0.00%
Open$73.22
Prev close$73.00
Day range$72.76 – $75.00
Volume939.6K
Market cap$3.48B
P/E (TTM)–
Dividend yield–

Ownership & positioning

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

Institutional ownership111.4%-2.04 pts vs. prior quarter
Institutions holding315+0 vs. prior quarter
Insider trades (recent)24 buys / 26 sellsNet selling
Short interest13.10% of floatDays to cover 6.6 · as of 15 Sep 2026
Short-sale volume share10.8%5-day average of daily volume

Short-sale volume as % of daily volume

5%10%15%19%Sep '26Sep '26Oct '26

Large-order net flow, last 20 sessions

Net of large-order buying minus selling, in USD. Over this window: +$124.7K (8 inflow days, 12 outflow days).

The five largest holders on file together own 37.5% of shares outstanding.

Largest holders

  • BlackRock8.79%
  • Deep Track Capital, LP8.36%
  • RTW Investments, LP7.65%
  • Janus Henderson Group plc6.40%
  • Paradigm Biocapital Advisors LP6.33%
  • Vanguard Capital Management, LLC4.74%
  • Morgan Stanley3.99%
  • Jennison Associates LLC3.79%

By investor type

  • Mutual Fund58.89%
  • Hedge Fund27.09%
  • VC/PE Fund11.05%
  • Public Company10.00%
  • Private Company3.25%
  • Individual/Insider3.06%
  • Government Pension Fund0.82%
  • Insurance Company0.29%

Reported short interest has fallen from 13.69% to 13.10% 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 6,127,884 13.1% 6.6
31 Aug 2026 6,011,550 13.7% 9.8
14 Aug 2026 5,997,475 13.7% 7.5
31 Jul 2026 6,016,830 13.8% 6.6
15 Jul 2026 5,783,063 13.3% 3.2
30 Jun 2026 5,889,643 13.7% 6.2

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