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Viking Therapeutics VKTX

US equityMarket cap rank #2332Biotechnology
$29.28 −$0.66 (-2.20%)
Pre-market · Oct 6, 4:20 am ET · After hours $29.33 +0.17%
Open$30.14
Prev close$29.94
Day range$28.71 – $30.18
Volume6.28M
Market cap$3.68B
P/E (TTM)–
Dividend yield–

Ownership & positioning

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

Institutional ownership65.7%-0.02 pts vs. prior quarter
Institutions holding504-1 vs. prior quarter
Insider trades (recent)36 buys / 14 sellsNet buying
Short interest19.36% of floatDays to cover 12.3 · as of 15 Sep 2026
Short-sale volume share13.2%5-day average of daily volume

Short-sale volume as % of daily volume

11%14%16%18%Sep '26Sep '26Oct '26

Large-order net flow, last 20 sessions

Net of large-order buying minus selling, in USD. Over this window: +$7.15M (8 inflow days, 12 outflow days).

The five largest holders on file together own 24.3% of shares outstanding.

Largest holders

  • FMR5.40%
  • BlackRock5.31%
  • Vanguard Capital Management, LLC4.96%
  • State Street Global Advisors4.81%
  • Vanguard Portfolio Management, LLC3.84%
  • Two Sigma Investments, LP3.38%
  • Morgan Stanley2.73%
  • Brian Lian1.90%

By investor type

  • Mutual Fund43.74%
  • Hedge Fund12.06%
  • Public Company5.75%
  • Private Company3.17%
  • Individual/Insider2.46%
  • Government Pension Fund0.48%
  • Family Office/Trust0.21%
  • VC/PE Fund0.17%

Reported short interest has fallen from 20.25% to 19.36% 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 22,583,758 19.4% 12.3
31 Aug 2026 22,186,520 19.0% 12.4
14 Aug 2026 22,285,459 19.1% 13.3
31 Jul 2026 22,541,431 19.3% 10.5
15 Jul 2026 23,160,859 19.9% 9.8
30 Jun 2026 23,507,768 20.2% 6.7

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