DYN

Dyne Therapeutics, Inc.

Ticker: DYNHealthcarePharmaceutical Preparations
HQ WALTHAM, MACIK 1818794FY end 12-31Book / share $4.25Shares 165M
Revenue (FY)
Op. margin
0.00%
Net income
$-446.21M-40.58%
TTM $-519.40M
Operating cash
$-403.21M-37.91%
TTM $-477.82M
Free cash flow
$-423.92M-43.83%
TTM $-499.22M
Return on equity
-45.90%+4.50%
TTM -73.97%
Debt / equity
0.15
TTM 0.28
Shares outstanding
128.4M+36.43%
TTM 165.2M

The business

Dyne Therapeutics, Inc. (Nasdaq: DYN) is a clinical-stage biopharmaceutical company focused on developing functional improvement therapies for people living with genetically driven neuromuscular diseases. The company's proprietary FORCE platform leverages the transferrin receptor 1 to deliver targeted therapeutics to muscle tissue and the central nervous system. The platform utilizes an antigen-binding fragment antibody targeting TfR1 conjugated to rationally designed payloads, including oligonucleotides and enzymes, that address the genetic basis of disease.

Dyne's pipeline includes multiple product candidates in varying stages of preclinical and clinical development. The company's lead program, zeleciment rostudirsen, is being evaluated in the DELIVER Phase 1/2 trial for Duchenne muscular dystrophy amenable to exon 51 skipping, with plans for a U.S. Accelerated Approval submission in the second quarter of 2026. Zeleciment basivarsen is in the ACHIEVE Phase 1/2 trial for myotonic dystrophy type 1, with anticipated U.S. Accelerated Approval submission planned for early third quarter of 2027. Additional development candidates target facioscapulohumeral dystrophy and Pompe disease, with plans to expand into additional neuromuscular indications.

The company employs over 250 individuals with expertise spanning discovery, preclinical research, manufacturing, clinical development, and commercial operations. Dyne maintains global commercial rights to all its programs and has established scientific and clinical advisory boards comprising leading experts in muscle disease drug discovery and nucleic acid therapeutics.

The company's strategy centers on advancing its co-lead product candidates through development and commercialization, establishing a DMD franchise by expanding to additional patient populations, and building a sustainable leadership position in neuromuscular diseases. Dyne has received multiple regulatory designations including Breakthrough Therapy, Fast Track, Rare Pediatric Disease, and Orphan Drug designations for its lead programs from the FDA and EMA. The company operates with a patient-focused culture emphasizing commitment to delivering life-transforming therapeutics for serious neuromuscular diseases.

Sector
Healthcare
Industry
Pharmaceutical Preparations
HQ
WALTHAM, MA
FY end
12-31
CIK
1818794
SIC
2834
Financial performance · annual
20202025
$-565.40M$-427.41M$-289.42M$-151.43M$-13.44M202020212022202320242025TTMTTM

Ownership

Who holds Dyne Therapeutics, Inc. — across funds, superinvestors and bonds · N-PORT 2026Q2 · 13F 2026-06-30

232
funds hold it
0 of 35
superinvestors hold it
$1.46B
fund-held value
36.6%
of shares held by funds

Top fund holders

Fund% of fundValue
T. Rowe Price Small-Cap Stock Fund, Inc.
OTCFX · T. ROWE PRICE SMALL-CAP STOCK FUND, INC.
1.67%$155.57M
T. Rowe Price Small-Cap Value Fund, Inc.
PRSVX · T. ROWE PRICE SMALL-CAP VALUE FUND, INC.
0.97%$102.22M
VANGUARD TOTAL STOCK MARKET INDEX FUND
VTI · VANGUARD INDEX FUNDS
0.00%$99.32M
State Street(R) SPDR(R) S&P(R) Biotech ETF
XBI · SPDR SERIES TRUST
0.86%$92.22M
T. Rowe Price Institutional Small-Cap Stock Fund
TRSSX · T. Rowe Price Equity Funds, Inc.
1.68%$84.61M

Fund ownership counts N-PORT filers only, so it is a floor rather than a census — pensions, insurers and direct holders are not visible here, and the remainder is not “held by individuals”.

Could not be determined for this company: bond issues.

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