GBAF Logo
Global Banking & Finance Awards® 2026 Nominations open, free to enter Nominate now →
D

Dyne Therapeutics DYN · USD

Health Care · US listing · 🇺🇸 United States

Compare

18.62

+3.04%

Close of 9 Nov 2026, in USD

Search any instrument

Reference data, closing prices and charts across 45,000 companies, plus crypto, commodities and currencies.

Largest shareholders

As filed, so dates differ, and a group and its funds can both appear.

HolderSharesStakeChangeFiled
T. ROWE PRICE INVESTMENT MANAGEMENT, INC.30.8m19.05%+13.2m31 Mar 2026
JANUS HENDERSON GROUP PLC13.6m8.45%−240.3k31 Mar 2026
BLACKROCK, INC.11.7m7.24%+509k31 Mar 2026
ATLAS VENTURE LIFE SCIENCE ADVISORS, LLC9.1m5.65%—31 Mar 2026
FMR LLC8.9m5.51%+2.3m31 Mar 2026
ORBIS ALLAN GRAY LTD6.8m4.18%+2m31 Mar 2026
STATE STREET CORP6.7m4.12%−39k31 Mar 2026
VANGUARD CAPITAL MANAGEMENT LLC6.4m3.96%+6.4m31 Mar 2026
PERCEPTIVE ADVISORS LLC4.7m2.89%+1.2m31 Mar 2026
FCPM III SERVICES B.V.4.6m2.87%−818.5k31 Mar 2026
TCG CROSSOVER MANAGEMENT, LLC4.6m2.86%—31 Mar 2026
VANGUARD PORTFOLIO MANAGEMENT LLC4.2m2.58%+4.2m31 Mar 2026
VESTAL POINT CAPITAL, LP4m2.48%+3.9m31 Mar 2026
GEODE CAPITAL MANAGEMENT, LLC3.5m2.17%+240.7k31 Mar 2026
JPMORGAN CHASE & CO3.3m2.01%−296.4k31 Mar 2026

Insider trades

Purchases and sales by directors and officers, as filed with the regulator

DateWhoTypeSharesPriceValue
30 Mar 2026 ↗Posner Brian SDirectorPurchase2k17.08$34,160
11 Mar 2026 ↗Kersten DirkDirectorSale129.7k19.52$2.5m
11 Mar 2026 ↗Posner Brian SDirectorPurchase2k19.35$38,700
10 Mar 2026 ↗Kersten DirkDirectorSale511.1k19.57$10.0m
9 Mar 2026 ↗Kersten DirkDirectorSale177.7k17.72$3.1m
6 Mar 2026 ↗Posner Brian SDirectorPurchase3k15.06$45,180
5 Mar 2026 ↗Friedl-Naderer JohannaChief Commercial OfficerSale14814.90$2,205
5 Mar 2026 ↗Kerr DouglasChief Medical OfficerSale90414.90$13,470
5 Mar 2026 ↗Cox JohnCEO & PresidentSale2.7k14.90$40,707

Short interest

Shares sold short, 15 Oct 2026. US exchange data.

25.5m

-2.0% on the period before. 7.4 days to cover.

Short volume

Share of the day's trading sold short, 4 Nov 2026

53.3%

Last 60 trading days.

Failed deliveries

Shares not delivered on settlement, from the SEC

  • 22 Sept 2026580 shares
  • 14 Sept 20262,345 shares
  • 11 Sept 202621 shares
  • 9 Sept 2026131 shares
  • 20 Aug 20264 shares

Sources and methodology

Data on this tab
Our data supplier
Chart on the Overview
TradingView

Nothing here is investment advice. Prices can be delayed or wrong, so check with the exchange before relying on them. Data for this page. How we cover markets.