BeStock  
Stocks › Biotechnology › AGIO

Agios Pharmaceuticals AGIO

US equityMarket cap rank #2826Biotechnology
$31.25 −$0.55 (-1.73%)
Pre-market · Oct 6, 4:10 am ET · After hours $31.25 0.00%
Open$31.65
Prev close$31.80
Day range$30.78 – $31.76
Volume808.7K
Market cap$1.87B
P/E (TTM)–
Dividend yield–

Ownership & positioning

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

Institutional ownership111.8%-0.31 pts vs. prior quarter
Institutions holding284+0 vs. prior quarter
Insider trades (recent)39 buys / 11 sellsNet buying
Short interest12.66% of floatDays to cover 9.5 · as of 15 Sep 2026
Short-sale volume share12.3%5-day average of daily volume

Short-sale volume as % of daily volume

6%11%15%20%Sep '26Sep '26Oct '26

Large-order net flow, last 20 sessions

Net of large-order buying minus selling, in USD. Over this window: +$5.31M (13 inflow days, 7 outflow days).

The five largest holders on file together own 37.6% of shares outstanding.

Largest holders

  • BlackRock10.81%
  • Farallon Capital Management, L.L.C.9.91%
  • State Street Global Advisors5.92%
  • Lynx1 Capital Management LP5.71%
  • D. E. Shaw & Co., L.P.5.20%
  • Vanguard Capital Management, LLC5.16%
  • Vanguard Portfolio Management, LLC4.85%
  • Armistice Capital LLC4.02%

By investor type

  • Mutual Fund67.41%
  • Hedge Fund33.47%
  • Private Company4.39%
  • Public Company4.09%
  • VC/PE Fund1.31%
  • Individual/Insider1.11%
  • Insurance Company0.73%
  • Government Pension Fund0.42%

Reported short interest has risen from 11.36% to 12.66% 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 7,557,252 12.7% 9.5
31 Aug 2026 7,535,054 12.6% 8.4
14 Aug 2026 7,629,012 12.8% 7.0
31 Jul 2026 6,840,722 11.5% 5.1
15 Jul 2026 6,630,197 11.1% 6.4
30 Jun 2026 6,756,481 11.4% 5.1

Discussion

No comments yet — be the first to weigh in on AGIO.

Leave a comment

Scroll to Top