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Dyne Therapeutics, Inc.

DYN
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
SEC CIK
0001818794

In the last 90 days, Dyne Therapeutics, Inc. insiders filed 0 open-market purchases and 11 sales; 245 institutions reported holding it in 13F filings for Q2 2026, worth $4.23B in total; no superinvestor holds it.

13F holders, Q1 2026

Institutional positions in Dyne Therapeutics, Inc. as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
228
−2 vs. Q4 2025
Shares held
187.9M
+21.3M (+12.8%) vs. Q4 2025
Total value
$3.40B
+$143.6M (+4.4%) vs. Q4 2025
New holders
42
101 more added
Sold out
44
60 more reduced

3 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting DYN on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ1 2026: 228 institutions
Q1 2021: 75 institutionsQ2 2021: 76 institutionsQ3 2021: 83 institutionsQ4 2021: 93 institutionsQ1 2022: 94 institutionsQ2 2022: 90 institutionsQ3 2022: 102 institutionsQ4 2022: 113 institutionsQ1 2023: 127 institutionsQ2 2023: 118 institutionsQ3 2023: 114 institutionsQ4 2023: 124 institutionsQ1 2024: 169 institutionsQ2 2024: 193 institutionsQ3 2024: 200 institutionsQ4 2024: 200 institutionsQ1 2025: 205 institutionsQ2 2025: 198 institutionsQ3 2025: 207 institutionsQ4 2025: 233 institutionsQ1 2026: 228 institutionsQ2 2026: 245 institutions
Value heldQ1 2026: $3.40B
Q1 2021: $533.3MQ2 2021: $753.4MQ3 2021: $572.8MQ4 2021: $568.3MQ1 2022: $456.6MQ2 2022: $320.7MQ3 2022: $565.8MQ4 2022: $576.2MQ1 2023: $628.7MQ2 2023: $665.9MQ3 2023: $536.6MQ4 2023: $930.0MQ1 2024: $2.71BQ2 2024: $3.92BQ3 2024: $4.03BQ4 2024: $2.63BQ1 2025: $1.29BQ2 2025: $1.22BQ3 2025: $1.97BQ4 2025: $3.48BQ1 2026: $3.40BQ2 2026: $4.23B
Institutions holding DYN and their total value by quarter
QuarterHoldersValue
Q2 2026245$4.23B
Q1 2026228$3.40B
Q4 2025233$3.48B
Q3 2025207$1.97B
Q2 2025198$1.22B
Q1 2025205$1.29B
Q4 2024200$2.63B
Q3 2024200$4.03B
Q2 2024193$3.92B
Q1 2024169$2.71B
Q4 2023124$930.0M
Q3 2023114$536.6M
Q2 2023118$665.9M
Q1 2023127$628.7M
Q4 2022113$576.2M
Q3 2022102$565.8M
Q2 202290$320.7M
Q1 202294$456.6M
Q4 202193$568.3M
Q3 202183$572.8M
Q2 202176$753.4M
Q1 202175$533.3M

Institutions, Q1 2026

Shares, value and share of portfolio for each institution holding Dyne Therapeutics, Inc.; share changes are against Q4 2025.

Institutions holding DYN in Q1 2026
InstitutionSharesValue% of portfolioChange in sharesAction
T. Rowe Price Investment Management, Inc.30,785,801$558.1M0.38%+13,245,712+75.5%Added
Janus Henderson Group PLC13,647,376$247.4M0.12%−240,346−1.7%Reduced
BlackRock, Inc.11,699,870$212.1M0.00%+509,032+4.5%Added
Atlas Venture Life Science Advisors, LLC9,130,465$165.5M20.95%00.0%Unchanged
FMR LLC8,908,980$161.5M0.01%+2,339,059+35.6%Added
Orbis Allan Gray Ltd6,762,231$122.6M0.52%+1,960,303+40.8%Added
State Street Corp6,653,746$120.6M0.00%−38,999−0.6%Reduced
Vanguard Capital Management LLC6,405,069$116.1M0.00%+6,405,069New
Perceptive Advisors LLC4,668,839$84.6M1.67%+1,189,895+34.2%Added
FCPM III Services B.V.4,644,386$84.2M11.66%−818,460−15.0%Reduced
TCG Crossover Management, LLC4,615,144$83.7M2.39%00.0%Unchanged
Vanguard Portfolio Management LLC4,162,041$75.5M0.00%+4,162,041New
Vestal Point Capital, LP4,000,000$72.5M2.03%+3,880,000+3,233.3%Added
Geode Capital Management, LLC3,504,114$63.5M0.00%+240,685+7.4%Added
Armistice Capital, LLC3,175,110$57.6M1.90%−74,598−2.3%Reduced
Frazier Life Sciences Management, L.P.3,153,082$57.2M1.47%00.0%Unchanged
JPMorgan Chase & Co3,253,473$55.6M0.00%−296,436−8.4%Reduced
OrbiMed Advisors LLC2,917,884$52.9M1.20%+715,700+32.5%Added
Price T Rowe Associates Inc2,328,373$42.2M0.00%+4,584+0.2%Added
Siren, L.L.C.2,229,125$40.4M1.12%−1,273,816−36.4%Reduced
VR Adviser, LLC2,173,913$39.4M1.47%00.0%Unchanged
Franklin Resources Inc2,009,082$36.4M0.01%+2,444+0.1%Added
Deep Track Capital, LP2,000,000$36.3M0.75%−650,000−24.5%Reduced
Samlyn Capital, LLC1,922,543$34.9M0.60%+429,468+28.8%Added
Goldman Sachs Group Inc1,723,116$31.2M0.00%−560,075−24.5%Reduced
Braidwell LP1,681,998$30.5M1.02%+203,669+13.8%Added
Palo Alto Investors LP1,652,972$30.0M4.58%+180,775+12.3%Added
Sofinnova Investments, Inc.1,633,897$29.6M1.48%−620,264−27.5%Reduced
Vivo Capital, LLC1,557,466$28.2M2.35%−1,057,494−40.4%Reduced
Bank of America Corp1,443,313$26.2M0.00%+560,391+63.5%Added
Standard Life Aberdeen plc1,430,384$25.9M0.04%+322,239+29.1%Added
MPM Oncology Impact Management LP1,408,152$25.5M1.97%+2,764+0.2%Added
Logos Global Management LP1,400,000$25.4M1.31%+150,000+12.0%Added
Fiera Capital Corp1,380,620$25.0M0.09%+1,380,620New
Polar Capital Holdings Plc1,359,169$24.6M0.11%+90,038+7.1%Added
Northern Trust Corp1,198,838$21.7M0.00%+106,647+9.8%Added
Charles Schwab Investment Management Inc1,158,390$21.0M0.00%+7,065+0.6%Added
Adage Capital Partners GP, L.L.C.1,000,000$18.1M0.03%−4,172,000−80.7%Reduced
Rock Springs Capital Management LP972,198$17.6M1.04%+59,243+6.5%Added
Saturn V Capital Management LLC966,609$17.5M3.17%−822,007−46.0%Reduced
Dimensional Fund Advisors LP951,589$17.2M0.00%+853,515+870.3%Added
Vanguard Fiduciary Trust Co947,438$17.2M0.00%+947,438New
Morgan Stanley929,003$16.8M0.00%−284,556−23.4%Reduced
Squarepoint Ops LLC834,176$15.1M0.03%+579,016+226.9%Added
Frontier Capital Management Co LLC821,849$14.9M0.15%−317,019−27.8%Reduced
Baker Bros. Advisors LP813,449$14.7M0.08%00.0%Unchanged
Nuveen, LLC718,333$13.0M0.00%+97,023+15.6%Added
ArrowMark Colorado Holdings LLC673,949$12.2M0.32%−26,704−3.8%Reduced
Artisan Partners Limited Partnership619,457$11.2M0.02%−30,234−4.7%Reduced
Renaissance Technologies LLC533,600$9.67M0.02%+62,955+13.4%Added
TD Asset Management Inc529,312$9.60M0.01%+109,556+26.1%Added
StemPoint Capital LP506,075$9.18M1.76%−329,125−39.4%Reduced
Ensign Peak Advisors, Inc496,590$9.00M0.02%00.0%Unchanged
University of Wisconsin Foundation484,745$8.79M7.80%+67,995+16.3%Added
Algert Global LLC454,463$8.24M0.12%+183,160+67.5%Added
Raymond James Financial Inc451,644$8.19M0.00%−78,694−14.8%Reduced
Wasatch Advisors Inc443,668$8.04M0.05%+36,708+9.0%Added
Clearbridge Investments, LLC403,225$7.31M0.01%−4,569−1.1%Reduced
Bank of New York Mellon Corp401,616$7.28M0.00%+48,119+13.6%Added
UBS Group AG380,561$6.90M0.00%−417−0.1%Reduced
New York State Common Retirement Fund333,497$6.05M0.01%+254,235+320.8%Added
Fisher Asset Management, LLC323,051$5.86M0.00%+72,986+29.2%Added
Catalio Capital Management, LP282,954$5.13M1.07%−236,761−45.6%Reduced
Polygon Management Ltd.258,132$4.68M0.92%+10,135+4.1%Added
Qube Research & Technologies Ltd253,153$4.59M0.01%−159,287−38.6%Reduced
Invesco Ltd.248,941$4.51M0.00%+111,257+80.8%Added
UBS Asset Management Americas Inc239,285$4.34M0.00%+24,794+11.6%Added
Swiss National Bank228,100$4.14M0.00%+5,600+2.5%Added
Deutsche Bank AG221,123$4.01M0.00%+25,043+12.8%Added
Citadel Advisors LLC201,144$3.65M0.00%−970,480−82.8%Reduced
SummitTX Capital, L.P.196,188$3.56M0.11%−47,088−19.4%Reduced
Rhumbline Advisers187,223$3.39M0.00%+12,203+7.0%Added
PDT Partners, LLC182,986$3.32M0.20%00.0%Unchanged
Rafferty Asset Management, LLC182,977$3.32M0.01%−50,858−21.7%Reduced
HighVista Strategies LLC182,929$3.32M0.92%+123,286+206.7%Added
Neo Ivy Capital Management168,753$3.06M0.81%−68,714−28.9%Reduced
BNP PARIBAS ASSET MANAGEMENT Holding S.A.164,887$2.99M0.00%−805−0.5%Reduced
Ameriprise Financial Inc162,972$2.95M0.00%−34,719−17.6%Reduced
Sphera Funds Management Ltd.160,594$2.91M0.50%−232,300−59.1%Reduced
Millennium Management LLC158,548$2.87M0.00%−745,841−82.5%Reduced
Burkehill Global Management, LP155,000$2.81M0.14%00.0%Unchanged
Darwin Advisors, LLC154,862$2.81M0.87%+39,595+34.4%Added
Woodline Partners LP149,388$2.71M0.01%+28,600+23.7%Added
Alliancebernstein L.P.135,940$2.66M0.00%+1,680+1.3%Added
Wells Fargo & Company145,509$2.64M0.00%−2,322−1.6%Reduced
California State Teachers Retirement System139,663$2.53M0.00%+18,863+15.6%Added
Aegis Wealth Management LLC135,030$2.45M1.40%+59,122+77.9%Added
SG Americas Securities, LLC112,626$2.04M0.00%−152,758−57.6%Reduced
Susquehanna International Group, LLP108,724$1.97M0.00%+10,509+10.7%Added
Legal & General Group Plc96,462$1.75M0.00%−21,660−18.3%Reduced
Man Group plc95,682$1.73M0.00%+95,682New
Voya Investment Management LLC86,609$1.57M0.00%+171+0.2%Added
AQR Capital Management LLC84,238$1.53M0.00%+13,579+19.2%Added
Marshall Wace, LLP83,147$1.51M0.00%−593,832−87.7%Reduced
Profund Advisors LLC82,138$1.49M0.05%−4,608−5.3%Reduced
Moore Capital Management, LP78,765$1.43M0.05%+78,765New
Tudor Investment Corp Et Al77,031$1.40M0.01%−70,590−47.8%Reduced
Mirae Asset Global ETFs Holdings Ltd.75,469$1.35M0.00%+4,278+6.0%Added
Vanguard Asset Management, Ltd73,308$1.33M0.00%+73,308New
MetLife Investment Management72,841$1.32M0.01%+3,242+4.7%Added