DYN Dyne Therapeutics, Inc.
NASDAQActiveCommon stock
DYN is the ticker symbol of Dyne Therapeutics, Inc., which is listed on NASDAQ. The symbol was previously used by Dynegy Inc..
DYN at a glance
- Symbol
- DYN
- Company / issuer
- Dyne Therapeutics, Inc.
- Security type
- Common stock
- Exchange
- NASDAQ
- Status
- Actively traded
- Seen in listing files
- Apr 2015 – present
- Sector
- Health Care
- Industry
- Biotechnology: Pharmaceutical Preparations
- Country
- United States
- IPO year
- 2020
- Market cap
- $3.1 billion (Sep 2026)
DYN ticker history
All companies and securities we have recorded under the symbol DYN, from periodic snapshots of US exchange listing files.
| Name | Security | First seen | Last seen |
|---|---|---|---|
| Dynegy Inc. | Common Stock | Apr 2015 | Apr 2015 |
| Dyne Therapeutics, Inc. | Common Stock | Jan 2021 | present |
Dyne Therapeutics, Inc. company profile
- Industry (SIC)
- Pharmaceutical Preparations
- Headquarters
- Waltham, MA
- Incorporated in
- DE
- Fiscal year end
- December 31
- SEC filer category
- Large accelerated filer
- Latest annual report
- 10-K filed 2026-03-02
- Latest interim report
- 10-Q filed 2026-07-29
- SEC CIK
- 1818794
Source: SEC EDGAR filer data.
DYN price chart
Interactive chart provided by TradingView (loads third-party scripts).
Frequently asked questions
What company has the ticker symbol DYN?
DYN is the ticker symbol of Dyne Therapeutics, Inc on NASDAQ.
Is DYN still trading?
Yes. DYN appears in the current NASDAQ listings as of Sep 2026.
Which companies have used the ticker DYN?
Our listing records show DYN used by: Dynegy Inc.; Dyne Therapeutics, Inc..
Which exchange is DYN listed on?
DYN is listed on NASDAQ.
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