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DYN · NASDAQ

Dyne Therapeutics (DYN) Stock Price & Fundamentals

$534.21+1.27%+$6.69End-of-day price as of Oct 9, 2026

Dyne Therapeutics (DYN) closed at $534.21 on Oct 9, 2026, up 1.27% from the previous close of $527.52.

Share price, past year

1Y +56.05%

52-week range $334.85 – $534.21. Daily closing prices.
Monthly closing prices
Last closing price of each month
DateClose
Oct 9, 2026$534.21
Sep 30, 2026$513.59
Aug 31, 2026$493.63
Jul 31, 2026$491.81
Jun 30, 2026$483.19
May 29, 2026$462.23
Apr 30, 2026$451.00
Mar 31, 2026$461.49
Feb 27, 2026$443.51
Jan 30, 2026$427.36
Dec 31, 2025$388.63
Nov 28, 2025$374.81
Oct 31, 2025$344.60

Key statistics

Market cap
$88.50B
EPS (TTM)
−$3.26
Net income (TTM)
−$519.41M
Shares outstanding
165.7M
52-week range
$334.85 – $534.21

Dyne Therapeutics's market cap is $88.50B, based on a share price of $534.21 and 165.7M shares outstanding as of Jun 30, 2026.

Financials

Dyne Therapeutics's SEC filings don't report revenue in the standard form Laurel reads, so its revenue history isn't shown yet.

Dyne Therapeutics reported a net loss of $446.21M in fiscal 2025.

Company profile

Name
Dyne Therapeutics, Inc.
Ticker
DYN
Exchange
NASDAQ
Industry (SEC SIC)
Pharmaceutical Preparations
Headquarters
1560 Trapelo Road, Waltham, MA 02451
Incorporated in
DE
Fiscal year ends
December
SEC CIK
0001818794

Recent SEC filings

Frequently asked questions

What is Dyne Therapeutics's stock price?

Dyne Therapeutics (DYN) closed at $534.21 on Oct 9, 2026, up 1.27% from the previous close of $527.52.

What is Dyne Therapeutics's market cap?

Dyne Therapeutics's market cap is $88.50B, based on a share price of $534.21 and 165.7M shares outstanding as of Jun 30, 2026.

Does Dyne Therapeutics pay a dividend?

Dyne Therapeutics's recent filings report no dividends declared over the last four quarters.

Sources and methodology

Fundamentals come from Dyne Therapeutics, Inc.'s filings with the SEC (EDGAR XBRL company facts). Fourth-quarter figures that companies don't report separately are calculated as the fiscal year minus the first three quarters. Trailing twelve-month (TTM) figures sum the latest four quarters. Prices are generated sample data for development. Last updated Oct 9, 2026. Data sources and disclosures