BeStock  
Stocks › BFLY

Butterfly Network BFLY

US equityMarket cap rank #2623Medical DevicesAI medical concept stocks
$9.38 +$0.43 (+4.80%)
Pre-market · Oct 6, 7:20 am ET · After hours $9.47 +0.92%
Open$8.86
Prev close$8.95
Day range$8.66 – $9.54
Volume5.23M
Market cap$2.50B
P/E (TTM)–
Dividend yield–

Ownership & positioning

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

Institutional ownership69.7%+7.40 pts vs. prior quarter
Institutions holding290+3 vs. prior quarter
Insider trades (recent)8 buys / 42 sellsNet selling
Short interest13.42% of floatDays to cover 8.4 · as of 15 Sep 2026
Short-sale volume share27.0%5-day average of daily volume

Short-sale volume as % of daily volume

23%26%28%31%Sep '26Sep '26Oct '26

Large-order net flow, last 20 sessions

Net of large-order buying minus selling, in USD. Over this window: +$13.54M (9 inflow days, 11 outflow days).

The five largest holders on file together own 35.7% of shares outstanding.

Largest holders

  • FMR10.87%
  • Jonathan Rothberg8.35%
  • BlackRock7.07%
  • Hood River Capital Management LLC4.95%
  • Glenview Capital Management, LLC4.41%
  • Fosun International Holdings Ltd.3.84%
  • Vanguard Capital Management, LLC3.78%
  • D. E. Shaw & Co., L.P.2.40%

By investor type

  • Mutual Fund47.79%
  • Individual/Insider13.56%
  • Hedge Fund13.29%
  • Private Company4.17%
  • Public Company2.66%
  • Insurance Company1.13%
  • Family Office/Trust0.38%
  • Government Pension Fund0.25%

Reported short interest has risen from 10.99% to 13.42% 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 35,727,812 13.4% 8.4
31 Aug 2026 34,062,017 12.8% 7.8
14 Aug 2026 32,180,029 12.1% 4.5
31 Jul 2026 32,688,557 12.3% 4.3
15 Jul 2026 31,253,468 11.9% 3.6
30 Jun 2026 28,743,987 11.0% 1.7

Discussion

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

Leave a comment

Scroll to Top