Dyne Therapeutics, Inc. is a US-listed company in the biotechnology industry. Its financial year ends in December.
Who’s trading
What company insiders, investment funds and members of Congress have been doing with the stock, from their own filings.
- Insiders1 buying, 6 selling8 purchases and 122 sales by directors and officers, last 12 monthsInsider trades
- Funds130 adding, 104 cuttingOf 53 active managers that changed their stake, 25 added; quarter to June 30, 2026Fund buyers and sellers
The Fundamentalytics view
Current signal Results well short of expectations: Reported earnings per share missed the analysts' consensus estimate by 44% in the quarter to 2026-06-30.
Assembled from SEC-filed figures — the full workings are on this page and in our methodology. Observations, not recommendations.
Highlights
How we pick theseStrengths
Nothing in Dyne Therapeutics, Inc.'s latest figures clears our strength thresholds.
Things to watch
- Volatile shares. Over the past year the shares showed annualised volatility of 66% and a beta of 1.8 against the S&P 500.
- Heavily shorted. 17.4% of the shares available to trade are sold short (7.9 days of average volume to cover).
Latest results
- Earnings per share
- -$1.08 against an average estimate of -$0.75: missed by 44.3%
- Share reaction
- -0.7% in the first session after the results on July 29, 2026, against +0.1% for the S&P 500
- Next report
- November 5, 2026; average EPS estimate -$0.88
Price chart
- 1 day+3.7%
- 1 week+10.1%
- 1 month+13.8%
- This year-11.6%
- 1 year-23.4%
- 5 years+17.5%
- S&P 500 this year+11.2%
Loading chart…
Third-party market data · may be delayed
At a glance
Earnings
- Last results
- July 29, 2026
News & updates
Company announcements, filed results and changes that matter to shareholders.
- AnnouncementSEC 8-KRead source ↗
- Insider trade
Rhodes Jason P (Director) sold $54.0M of stock, under a pre-arranged trading plan
SEC Form 4 - Insider trade
Rhodes Jason P (Director) sold $11.2M of stock, under a pre-arranged trading plan
SEC Form 4 - Results
Dyne Therapeutics, Inc. reported results
SEC 8-KRead source ↗ - Insider trade
Kersten Dirk (Director) sold $6.7M of stock, under a pre-arranged trading plan
SEC Form 4 - Agreement
Dyne Therapeutics, Inc. entered a material agreement; disclosed a material event
SEC 8-KRead source ↗ - Announcement
Dyne Therapeutics, Inc. disclosed a material event
SEC 8-KRead source ↗ - Insider trade
Rhodes Jason P (Director) sold $3.0M of stock, under a pre-arranged trading plan
SEC Form 4
No model value for Dyne Therapeutics, Inc. at the moment. Current status: limited reported history: available models are shown without a Buy/Hold/Sell rating. Available reported financials are shown below.
Moat
Not assessed: fewer than five years of comparable figures in the filings. AI disruption exposure for this industry: Medium.
Forecasts and guidance
Next results: November 5, 2026, after the close. Analysts expect revenue of $0 and EPS of −$0.88 (range −$1.09 to −$0.65) for the quarter.
Analysts' consensus
| Fiscal year | EPS | Growth | Revenue | Growth |
|---|---|---|---|---|
| Current | −$3.53 | −2% | — | 0% |
| Next | −$3.31 | +6% | $53m | 0% |
How the EPS forecast has moved
The consensus EPS forecast for the current fiscal year is +0.4% on 90 days ago. In the last 30 days, 1 analyst raised Dyne Therapeutics, Inc.'s forecast and 0 cut it.
Average of analysts' published estimates (third-party data).
View chart data
| Period | Current fiscal year | Next fiscal year |
|---|---|---|
| 90 days ago | −$3.51 | −$3.18 |
| 60 days ago | −$3.57 | −$3.34 |
| 30 days ago | −$3.55 | −$3.34 |
| 7 days ago | −$3.55 | −$3.34 |
| Now | −$3.53 | −$3.31 |
Earnings against estimates
| Quarter to | Estimate | Actual | Surprise |
|---|---|---|---|
| Jun 2026 | −$0.75 | −$1.08 | −44.3% |
| Mar 2026 | −$0.78 | −$0.73 | +6.7% |
| Dec 2025 | −$0.76 | −$0.73 | +4.4% |
| Sept 2025 | −$0.85 | −$0.76 | +10.1% |
Adjusted EPS as companies report it, against the average analyst estimate.
Positioning
- Short interest
- 17.4% of tradable shares
- Days to cover
- 7.94 at average volume
- Short interest, 1 month
- +9% to October 15, 2026
- Held by institutions
- — of shares
- Held by insiders
- 0.2% of shares
- Employees
- 289 full time
Share-price performance
Market data may be delayedReturn and risk by year
| Calendar year | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 to date |
|---|---|---|---|---|---|---|
| Return | ||||||
| DYN | −43% | −3% | +15% | +77% | −17% | −12% |
| Industry peers (median) | −35% | −57% | −18% | −29% | −5% | −27% |
| S&P 500 | +29% | −18% | +26% | +25% | +18% | +11% |
| Months that ended higher | ||||||
| DYN | 17% | 50% | 42% | 67% | 42% | 64% |
| S&P 500 | 75% | 42% | 67% | 75% | 75% | 46% |
| Largest fall from a high during the year | ||||||
| DYN | −59% | −65% | −56% | −50% | −73% | −47% |
| S&P 500 | −5% | −25% | −10% | −8% | −19% | −9% |
Worst fall since September 17, 2020: 86% from August 21, 2024 to April 8, 2025. Getting back needed a 591% gain, and the shares have not yet recovered.
Price behaviour
- 52-week range
- $14.25 – $26.78
- From 52-week high
- −35.4%
- vs 50-day average
- −5.8%
- vs 200-day average
- −10.4%
- Volatility (1 year)
- 66%
- Beta vs S&P 500
- 1.84
Share price after results
- Next day
- 5 up, 7 down typical move ±9.8%
- After a week
- 7 up, 5 down typical move ±10.8%
- After a month
- 6 up, 6 down typical move ±19.2%
| Results released | Next day | S&P 500 next day | 5 days | 21 days |
|---|---|---|---|---|
| July 29, 2026 | −0.7% | +0.1% | +1.0% | +0.7% |
| May 11, 2026 | +4.3% | +0.1% | −6.1% | +0.3% |
| March 2, 2026 | −6.5% | −0.8% | +13.3% | +16.1% |
| January 12, 2026 | −4.1% | 0.0% | −6.7% | −6.1% |
| November 5, 2025 | −15.4% | −0.7% | −13.5% | −5.8% |
| July 28, 2025 | −7.5% | −0.3% | +3.0% | +34.5% |
| May 8, 2025 | +21.4% | +0.6% | +24.9% | +53.2% |
| February 27, 2025 | −1.3% | −0.1% | −11.2% | −17.0% |
| January 10, 2025 | −33.7% | −1.4% | −38.7% | −41.3% |
| November 12, 2024 | +21.3% | −0.3% | +5.5% | −9.0% |
| August 12, 2024 | +0.1% | +1.7% | +5.8% | −25.2% |
| May 2, 2024 | +1.0% | +2.2% | +0.5% | +21.6% |
Fundamentals
Who owns it
Funds buying and selling- Reported value
- $4.2B
- Institutions reporting
- 245
- Shares held vs prior quarter
- ▲ 1.2%
- Positions opened / closed
- 42 / 28
| Manager | Value | Shares | Share of 13F value | Shares QoQ |
|---|---|---|---|---|
| T. Rowe Price Investment Management, Inc. | $687M | 30.9M | 16.2% | ▲ 0.4% |
| Blackrock, Inc. | $276M | 12.4M | 6.5% | ▲ 6.0% |
| Jupiter Topco LLC | $267M | 12.0M | 6.3% | — |
| FMR LLC | $249M | 11.2M | 5.9% | ▲ 25.8% |
| State Street Corp | $166M | 7.5M | 3.9% | ▲ 12.1% |
| Orbis Allan Gray Ltd | $156M | 7.0M | 3.7% | ▲ 3.6% |
| Atlas Venture Life Science Advisors, LLC | $151M | 6.8M | 3.6% | ▼ 25.5% |
| Vanguard Capital Management LLC | $140M | 6.3M | 3.3% | ▼ 1.5% |
| Tcg Crossover Management, LLC | $103M | 4.6M | 2.4% | 0.0% |
| Vanguard Portfolio Management LLC | $89.9M | 4.0M | 2.1% | ▼ 2.7% |
| Price T Rowe Associates Inc | $87.4M | 3.9M | 2.1% | ▲ 69.1% |
| Fcpm Iii Services B.V. | $85.5M | 3.8M | 2.0% | ▼ 17.1% |
From Form 13F filings with the SEC ( quarterly data sets), as reported by each manager for June 30, 2026 and filed up to 45 days later. 13F reports cover long US-listed positions of managers above $100M only, so this is not Dyne Therapeutics, Inc.'s complete shareholder register. Values are as reported by the filers .
Insider trading activity
Full insider history and chart| Insider | Date | Trade | Shares | Price | Value |
|---|---|---|---|---|---|
| Posner Brian S Director | October 2, 2026 | Buy | 2,500 | $16.00 | $40,000 |
| Cox John CEO & President | September 8, 2026 | Sell pre-set plan | 5,658 | $18.88 | $106,823 |
| Kerr Douglas Chief Medical Officer | September 8, 2026 | Sell pre-set plan | 1,290 | $18.88 | $24,355 |
| Friedl-Naderer Johanna Chief Commercial Officer | September 8, 2026 | Sell pre-set plan | 185 | $18.88 | $3,493 |
| Kerr Douglas Chief Medical Officer | September 4, 2026 | Sell pre-set plan | 3,745 | $24.35 | $91,191 |
| Friedl-Naderer Johanna Chief Commercial Officer | September 4, 2026 | Sell pre-set plan | 900 | $24.35 | $21,915 |
| Rhodes Jason P Director | August 14, 2026 | Sell pre-set plan | 322,465 | $25.00 | $8.1M |
| Rhodes Jason P Director | August 14, 2026 | Sell pre-set plan | 478,377 | $25.00 | $12M |
| Rhodes Jason P Director | August 14, 2026 | Sell pre-set plan | 1,359,674 | $25.00 | $34M |
| Lucera Erick Chief Financial Officer | August 13, 2026 | Sell pre-set plan | 1,797 | $26.28 | $47,225 |
| Cox John CEO & President | August 13, 2026 | Sell pre-set plan | 4,986 | $26.28 | $131,032 |
| Kerr Douglas Chief Medical Officer | August 13, 2026 | Sell pre-set plan | 1,556 | $26.28 | $40,892 |
From insiders' Form 4 filings with the SEC. Excludes awards, option exercises and shares withheld for tax. "Pre-set plan" means the filing marks the trade as made under a Rule 10b5-1 plan. See every insider trade since five years ago, on a price chart.
Earnings dates and SEC filings
Results announcements
Next expected around October 7, 2026 estimated from the company's past filing pattern, not announced
- July 29, 2026
- May 11, 2026
- March 2, 2026
- January 12, 2026
- November 5, 2025
- July 28, 2025
Recent SEC filings
- 8-K Current report
- 8-K Current report
- 10-Q Quarterly report
- 8-K Current report
- 8-K Current report
- 8-K Current report
- 8-K Current report
- 8-K Current report
Data status
| Data | Last updated | Source |
|---|---|---|
| Share price | Exchange closing prices | |
| News and updates | Company releases and SEC 8-K filings | |
| Analyst estimates | Aggregated analyst estimates | |
| Valuation and scores | Our models, from the filed figures |
Dyne Therapeutics, Inc. in brief
- What does Dyne Therapeutics, Inc. do?
- Dyne Therapeutics, Inc. is a US-listed company in the biotechnology industry. Its financial year ends in December.
- What is Dyne Therapeutics, Inc.'s stock ticker?
- Dyne Therapeutics, Inc. trades under the ticker DYN on Nasdaq. This page brings together its financial statements, valuation models, ownership and recent company updates.
- Who are Dyne Therapeutics, Inc.'s largest institutional shareholders?
- By value reported in 13F filings for June 30, 2026, the largest reported holders are T. Rowe Price Investment Management, Inc., Blackrock, Inc. and Jupiter Topco LLC. 13F reports cover long US-listed positions of managers above $100M, filed up to 45 days after quarter end.
- Are insiders buying or selling Dyne Therapeutics, Inc. stock?
- Over the last 12 months, Dyne Therapeutics, Inc.'s directors and officers reported 8 open-market purchases and 122 sales on Form 4. The insider trading page charts every trade.
- When is Dyne Therapeutics, Inc.'s next earnings date?
- Around November 5, 2026, estimated from the spacing of its past results announcements (8-K filings). That is an estimate, not a confirmed date — Dyne Therapeutics, Inc. announces its own schedule.
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