Dyne Therapeutics, Inc.

NasdaqGS:DYN Stock Report

Market Cap: US$4.8b

Dyne Therapeutics Ownership

Who are the major shareholders and have insiders been buying or selling?

Recent Insider Transactions

NasdaqGS:DYN Recent Insider Transactions by Companies or Individuals
DateValueNameEntityRoleSharesMax Price
07 Jul 26SellUS$118,050Atlas Venture Advisors, Inc.Company5,000US$23.61
25 Jun 26SellUS$48,114Erick LuceraIndividual2,362US$20.37
08 Jun 26BuyUS$33,880Brian PosnerIndividual2,000US$16.94
03 Jun 26BuyUS$43,700Brian PosnerIndividual2,500US$17.48
26 May 26BuyUS$36,420Brian PosnerIndividual2,000US$18.21
20 May 26BuyUS$42,800Brian PosnerIndividual2,500US$17.12
30 Mar 26BuyUS$34,160Brian PosnerIndividual2,000US$17.08
11 Mar 26BuyUS$38,700Brian PosnerIndividual2,000US$19.35
06 Mar 26BuyUS$45,180Brian PosnerIndividual3,000US$15.06

Insider Trading Volume

Insider Buying: DYN insiders have bought more shares than they have sold in the past 3 months.

Ownership Breakdown

What is the ownership structure of DYN?
Owner TypeNumber of SharesOwnership Percentage
Individual Insiders463,8760.249%
Institutions186,204,99399.8%

Dilution of Shares: Shareholders have been substantially diluted in the past year, with total shares outstanding growing by 31.1%.

Top Shareholders

Top 25 shareholders own 77.21% of the company
OwnershipNameSharesCurrent ValueChange %Portfolio %
17.8%
T. Rowe Price Group, Inc.
33,114,174US$848.7m66.7%0.07%
7.31%
Janus Henderson Group Ltd.
13,647,376US$349.8m-1.73%0.12%
6.27%
BlackRock, Inc.
11,699,870US$299.9m4.55%no data
4.77%
FMR LLC
8,908,949US$228.3m35.6%0.01%
3.62%
Orbis Investment Management Limited
6,762,231US$173.3m40.8%0.4%
3.57%
State Street Global Advisors, Inc.
6,653,746US$170.5m-0.58%no data
3.43%
Vanguard Capital Management, LLC
6,405,069US$164.2m0%no data
3.23%
Atlas Venture Advisors, Inc.
6,027,648US$154.5m-34%19.19%
2.5%
Perceptive Advisors LLC
4,668,839US$119.7m34.2%2.14%
2.47%
TCG Crossover Management, LLC
4,615,144US$118.3m0%2.64%
2.23%
Vanguard Portfolio Management, LLC
4,162,041US$106.7m0%no data
2.14%
Vestal Point Capital, LP
4,000,000US$102.5m3,230%2.55%
2.06%
Forbion Capital Partners B.V.
3,848,256US$98.6m-17.1%14.96%
1.88%
Geode Capital Management, LLC
3,504,114US$89.8m7.38%no data
1.7%
Armistice Capital LLC
3,175,110US$81.4m-2.3%2.12%
1.69%
Frazier Life Sciences Management, LP
3,153,082US$80.8m0%1.75%
1.68%
JP Morgan Asset Management
3,133,237US$80.3m-8.37%0.01%
1.56%
OrbiMed Advisors LLC
2,917,884US$74.8m32.5%1.05%
1.19%
Artal Group S.A.
2,229,125US$57.1m-36.4%0.88%
1.17%
VR Management, LLC
2,173,913US$55.7m0%1.46%
1.07%
Deep Track Capital, LP
2,000,000US$51.3m-24.5%0.79%
1.07%
Franklin Resources, Inc.
1,993,918US$51.1m0.08%0.01%
1.03%
Samlyn Capital, LLC
1,922,543US$49.3m28.8%0.83%
0.9%
Braidwell LP
1,681,998US$43.1m13.8%1.35%
0.89%
Palo Alto Investors LP
1,652,972US$42.4m12.3%6.06%

Company Analysis and Financial Data Status

DataLast Updated (UTC time)
Company Analysis2026/07/28 05:12
End of Day Share Price 2026/07/28 00:00
Earnings2026/03/31
Annual Earnings2025/12/31

Data Sources

The data used in our company analysis is from S&P Global Market Intelligence LLC. The following data is used in our analysis model to generate this report. Data is normalised which can introduce a delay from the source being available.

PackageDataTimeframeExample US Source *
Company Financials10 years
  • Income statement
  • Cash flow statement
  • Balance sheet
Analyst Consensus Estimates+3 years
  • Forecast financials
  • Analyst price targets
Market Prices30 years
  • Stock prices
  • Dividends, Splits and Actions
Ownership10 years
  • Top shareholders
  • Insider trading
Management10 years
  • Leadership team
  • Board of directors
Key Developments10 years
  • Company announcements

* Example for US securities, for non-US equivalent regulatory forms and sources are used.

Unless specified all financial data is based on a yearly period but updated quarterly. This is known as Trailing Twelve Month (TTM) or Last Twelve Month (LTM) Data. Learn more.

Analysis Model and Snowflake

Details of the analysis model used to generate this report is available on our Github page, we also have guides on how to use our reports and tutorials on Youtube.

Learn about the world class team who designed and built the Simply Wall St analysis model.

Industry and Sector Metrics

Our industry and section metrics are calculated every 6 hours by Simply Wall St, details of our process are available on Github.

Analyst Sources

Dyne Therapeutics, Inc. is covered by 23 analysts. 14 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.

AnalystInstitution
Brian SkorneyBaird
William PickeringBernstein
Eric SchmidtCantor Fitzgerald & Co.