BeStock  
Stocks › DYN

Dyne Therapeutics DYN

US equityMarket cap rank #2514
$15.44 +$0.24 (+1.58%)
Market closed · Oct 6, 6:00 am ET · Last extended-hours $15.20 -1.55%
Open$15.31
Prev close$15.20
Day range$15.08 – $15.54
Volume4.38M
Market cap$2.88B
P/E (TTM)–
Dividend yield–

Ownership & positioning

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

Institutional ownership100.8%-15.43 pts vs. prior quarter
Institutions holding291-1 vs. prior quarter
Insider trades (recent)14 buys / 36 sellsNet selling
Short interest12.52% of floatDays to cover 5.5 · as of 15 Sep 2026
Short-sale volume share22.3%5-day average of daily volume

Short-sale volume as % of daily volume

16%22%27%33%Sep '26Sep '26Oct '26

Large-order net flow, last 20 sessions

Net of large-order buying minus selling, in USD. Over this window: −$6.17M (10 inflow days, 10 outflow days).

The five largest holders on file together own 41.7% of shares outstanding.

Largest holders

  • T. Rowe Price Group, Inc.18.66%
  • BlackRock6.64%
  • Janus Henderson Group plc6.42%
  • FMR6.00%
  • State Street Global Advisors3.99%
  • Vanguard Capital Management, LLC3.91%
  • Orbis Investment Management Limited3.75%
  • TCG Crossover Management, LLC2.47%

By investor type

  • Mutual Fund66.63%
  • VC/PE Fund17.60%
  • Hedge Fund12.25%
  • Public Company3.30%
  • Government Pension Fund0.61%
  • Individual/Insider0.27%
  • Private Company0.18%
  • Insurance Company0.11%

Reported short interest has fallen from 13.49% to 12.52% 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 23,381,047 12.5% 5.5
31 Aug 2026 20,790,669 11.1% 13.5
14 Aug 2026 21,459,799 11.5% 11.0
31 Jul 2026 21,970,540 11.8% 7.2
15 Jul 2026 21,491,180 13.0% 10.6
30 Jun 2026 22,302,023 13.5% 8.0

Discussion

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

Leave a comment

Scroll to Top