Dyne TherapeuticsDYN

13F holders, Q2 2026 (June 30)
245holders +17
43new positions
28sold out
6famous investors
$22.19avg. 13F price*

At the end of Q2 2026, 245 institutions reported holding Dyne Therapeutics Inc. (DYN) in their 13F filings, up 17 from Q1 2026. 43 opened new positions and 28 sold out. The largest holders were T. Rowe Price Investment Management, Inc. ($686.6M), BlackRock, Inc. ($275.5M) and Jupiter Topco LLC ($266.6M). 6 famous investors held it, including Ken Griffin (0.0% of Citadel Advisors's portfolio), Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio) and Israel Englander (0.0% of Millennium Management's portfolio).

Company
Dyne Therapeutics Inc.
CUSIP
26818M108
Latest filing quarter
Q2 2026

History

Number of 13F holders

050100150200250 Q1 2024: 169Q1 2024Q2 2024: 193Q2 2024Q3 2024: 200Q3 2024Q4 2024: 200Q4 2024Q1 2025: 205Q1 2025Q2 2025: 197Q2 2025Q3 2025: 207Q3 2025Q4 2025: 233Q4 2025Q1 2026: 228Q1 2026Q2 2026: 245Q2 2026

Total Exit/New Position Q1 2026 → Q2 2026

InstitutionsTotal Value
New Positions43$56.8M
Exits28$26.7M

All 13F filers, Q1 2026 → Q2 2026: 17,542,545 shares bought and 13,144,721 shares sold, net +4,397,824 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 245 holders

T. Rowe Price Investment Management, Inc. 0.45% Add +0.4% 30,912,287 $686.6M
BlackRock, Inc. 0.00% Add +6.0% 12,404,330 $275.5M
Jupiter Topco LLC 0.11% — 11,997,738 $266.6M
FMR LLC 0.01% Add +25.8% 11,207,000 $248.9M
State Street Corp. 0.00% Add +12.1% 7,458,263 $165.6M
Orbis Allan Gray Ltd 0.54% Add +3.6% 7,006,542 $155.6M
Atlas Venture Life Science Advisors, LLC 17.14% Reduce -25.5% 6,800,099 $151.0M
Vanguard Capital Management LLC 0.00% Reduce -1.5% 6,310,969 $140.2M
TCG Crossover Management, LLC 2.46% No change 4,615,144 $102.5M
Vanguard Portfolio Management LLC 0.00% Reduce -2.7% 4,048,428 $89.9M
T. Rowe Price Associates Inc. 0.01% Add +69.1% 3,936,806 $87.4M
FCPM III Services B.V. 11.39% Reduce -17.1% 3,848,256 $85.5M
Geode Capital Management, LLC 0.00% Add +6.8% 3,743,427 $83.2M
Vestal Point Capital, LP 1.75% Reduce -15.6% 3,375,000 $75.0M
Orbimed Advisors LLC 1.36% Add +10.9% 3,235,684 $71.9M
Frazier Life Sciences Management, L.P. 1.53% No change 3,153,082 $70.0M
Armistice Capital, LLC 1.90% Reduce -2.8% 3,087,226 $68.6M
JPMorgan Chase & Co. 0.00% Reduce -3.1% 3,151,656 $67.2M
Perceptive Advisors LLC 0.93% Reduce -42.4% 2,689,235 $59.7M
Logos Global Management LP 2.44% Add +82.1% 2,550,000 $56.6M
Bank of America Corp. 0.00% Add +54.7% 2,233,398 $49.6M
Venrock Adviser, LLC 1.46% No change 2,173,913 $48.3M
Goldman Sachs Group Inc. 0.01% Add +25.2% 2,157,195 $47.9M
Siren, L.L.C. 0.96% Reduce -4.5% 2,129,125 $47.3M
Franklin Resources Inc. 0.01% Add +1.1% 2,030,819 $45.1M
Dimensional Fund Advisors LP 0.01% Add +104.5% 1,946,479 $43.2M
MPM Bioimpact LLC 2.60% Add +36.5% 1,922,093 $42.7M
Samlyn Capital, LLC 0.65% Reduce -8.7% 1,754,708 $39.0M
Sofinnova Investments, Inc. 1.97% Add +1.5% 1,658,384 $36.8M
Palo Alto Investors LP 5.06% Reduce -0.3% 1,647,521 $36.6M
Vivo Capital, LLC 3.16% No change 1,557,466 $34.6M
Aberdeen Group plc 0.05% Add +7.6% 1,539,434 $34.2M
Deep Track Capital, LP 0.49% Reduce -25.0% 1,500,000 $33.3M
Marshall Wace, LLP 0.03% Add +1690.7% 1,488,917 $33.1M
Polar Capital Holdings Plc 0.08% Reduce -5.3% 1,286,811 $28.6M
Northern Trust Corp. 0.00% Add +6.6% 1,278,081 $28.4M
Charles Schwab Investment Management Inc. 0.00% Add +3.8% 1,202,203 $26.7M
Citadel Advisors 0.01% Add +468.7% 1,143,958 $25.4M
Saturn V Capital Management LP 3.37% Add +9.4% 1,057,493 $23.5M
Vanguard Fiduciary Trust Co. 0.00% Add +4.4% 988,949 $22.0M
Novo Holdings A/S 1.24% New 960,394 $21.3M
Rock Springs Capital Management LP 1.02% Reduce -3.1% 942,154 $20.9M
Braidwell LP 0.79% Reduce -45.2% 921,598 $20.5M
Frontier Capital Management Co. LLC 0.18% Add +6.4% 874,138 $19.4M
Baker Bros. Advisors LP 0.09% No change 813,449 $18.1M
Fiera Capital Corp 0.06% Reduce -42.8% 789,989 $17.5M
Morgan Stanley 0.00% Reduce -19.7% 746,200 $16.6M
Artisan Partners Limited Partnership 0.02% Add +6.5% 659,786 $14.7M
Raymond James Financial Inc. 0.00% Add +27.6% 576,350 $12.8M
TD Asset Management Inc 0.01% Add +3.5% 548,112 $12.2M
Algert Global LLC 0.13% Add +11.4% 506,273 $11.2M
Wasatch Advisors LP 0.06% No change 443,668 $9.9M
UBS Group AG 0.00% Add +16.5% 443,284 $9.8M
Millennium Management 0.01% Add +172.4% 431,850 $9.6M
Clearbridge Investments, LLC 0.01% Add +3.0% 415,131 $9.2M
Bank of New York Mellon Corp 0.00% Add +2.0% 409,801 $9.1M
ArrowMark Colorado Holdings LLC 0.37% Reduce -41.1% 397,221 $8.8M
Nuveen, LLC 0.00% Reduce -46.1% 386,787 $8.6M
Renaissance Technologies 0.01% Reduce -32.4% 360,572 $8.0M
Tetragon Partners GP Ltd 1.29% Add +38.2% 356,657 $7.9M
New York State Common Retirement Fund 0.01% Add +6.7% 355,953 $7.9M
Granahan Investment Management, LLC 0.27% New 338,565 $7.5M
University of Wisconsin Foundation 5.51% Reduce -35.3% 313,559 $7.0M
Moore Capital Management, LP 0.16% Add +288.2% 305,794 $6.8M
Squarepoint Ops LLC 0.01% Reduce -64.0% 300,074 $6.7M
Fisher Asset Management 0.00% Reduce -7.6% 298,505 $6.6M
Ameriprise Financial Inc. 0.00% Add +83.0% 298,317 $6.6M
Ensign Peak Advisors, Inc 0.01% Reduce -41.7% 289,730 $6.4M
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% Add +12.8% 269,985 $6.0M
Alyeska Investment Group, L.P. 0.01% New 245,278 $5.4M
Catalio Capital Management, LP 1.02% Reduce -13.4% 244,929 $5.4M
Deutsche Bank AG 0.00% Add +9.6% 242,392 $5.4M
Swiss National Bank 0.00% Add +1.7% 232,000 $5.2M
Wells Fargo & Company 0.00% Add +51.6% 220,664 $4.9M
Sphera Funds Management LTD. 0.63% Add +24.3% 199,594 $4.4M
SummitTX Capital, L.P. 0.11% Reduce -0.8% 194,643 $4.3M
Citigroup Inc. 0.00% Add +397.2% 187,915 $4.2M
Rhumbline Advisers 0.00% Reduce -1.8% 183,799 $4.1M
Voya Investment Management LLC 0.00% Add +101.4% 174,457 $3.9M
HighVista Strategies LLC 0.87% Reduce -6.0% 171,961 $3.8M
Alps Advisors Inc. 0.02% New 167,082 $3.7M
Invesco Ltd. 0.00% Reduce -33.9% 164,598 $3.7M
BNP PARIBAS ASSET MANAGEMENT Holding S.A. 0.00% Reduce -4.2% 157,916 $3.5M
Y-Intercept (Hong Kong) Ltd 0.07% Add +139.7% 156,203 $3.5M
Axxcess Wealth Management, LLC 0.05% New 155,270 $3.4M
Darwin Wealth Management, LLC 0.94% Add +0.3% 155,270 $3.4M
Aegis Wealth Management LLC 1.57% Add +11.1% 150,030 $3.3M
Adage Capital Partners Gp, L.L.C. 0.00% Reduce -85.0% 150,000 $3.3M
Woodline Partners LP 0.01% No change 149,388 $3.3M
Alliancebernstein L.P. 0.00% Add +26.6% 172,080 $3.1M
California State Teachers Retirement System 0.00% Reduce -3.2% 135,147 $3.0M
Schonfeld Strategic Advisors LLC 0.02% New 134,752 $3.0M
XTX Topco Ltd 0.04% Add +194.5% 125,786 $2.8M
Jain Global LLC 0.03% New 116,341 $2.6M
Rafferty Asset Management, LLC 0.01% Reduce -37.1% 115,102 $2.6M
Russell Investments Group, Ltd. 0.00% Add +163.7% 105,553 $2.3M
Legal & General Group Plc 0.00% Add +1.5% 97,940 $2.2M
SG Americas Securities, LLC 0.00% Reduce -13.3% 97,648 $2.2M
Fideuram - Intesa Sanpaolo Private Banking S.P.A. 0.06% New 87,069 $1.9M
AQR Capital Management 0.00% Reduce -0.2% 84,054 $1.9M
VANGUARD ASSET MANAGEMENT, Ltd 0.00% Add +10.8% 81,238 $1.8M
MetLife Investment Management, LLC 0.01% Add +9.5% 79,775 $1.8M
Manufacturers Life Insurance Company, The 0.00% Add +23.1% 78,622 $1.7M
Fifth Third Bancorp 0.00% Add +39.9% 75,859 $1.7M
Cibc World Market Inc. 0.00% Add +9.5% 75,783 $1.7M
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% Add +1.0% 76,195 $1.7M
State of Wisconsin Investment Board 0.00% Add +1.6% 69,702 $1.5M
Envestnet Asset Management Inc. 0.00% Reduce -2.6% 66,583 $1.5M
Royal Bank of Canada 0.00% Reduce -4.7% 65,015 $1.4M
D. E. Shaw & Co. 0.00% New 60,161 $1.3M
Zurcher Kantonalbank (Zurich Cantonalbank) 0.00% Add +13.0% 58,947 $1.3M
Profund Advisors LLC 0.04% Reduce -28.4% 58,810 $1.3M
Victory Capital Management Inc. 0.00% Add +2.9% 54,498 $1.2M
Vanguard Global Advisers, LLC 0.00% Reduce -4.0% 54,137 $1.2M
Handelsbanken Fonder AB 0.00% New 53,200 $1.2M
Flputnam Investment Management Co. 0.01% New 52,975 $1.2M
Wellington Management Group LLP 0.00% Add +7.3% 52,427 $1.2M
Quantinno Capital Management LP 0.00% Add +166.8% 51,489 $1.1M
Bridgeway Capital Management, LLC 0.02% New 50,000 $1.1M
Norges Bank 0.00% — 49,319 $1.1M
DekaBank Deutsche Girozentrale 0.00% No change 60,000 $1.1M
Mangrove Partners Im, LLC 0.07% No change 47,927 $1.1M
Susquehanna International Group, LLP 0.00% Reduce -56.6% 47,127 $1.0M
Sei Investments Co. 0.00% Reduce -2.0% 44,054 $978K
Atom Investors LP 0.09% Add +79.0% 43,097 $957K
ADAR1 Capital Management, LLC 0.04% Reduce -9.8% 42,821 $951K
Police & Firemen's Retirement System of New Jersey 0.01% Add +10.8% 40,235 $894K
State of New Jersey Common Pension Fund D 0.00% Reduce -5.1% 37,396 $831K
Brevan Howard Capital Management LP 0.01% No change 37,214 $827K
Barclays PLC 0.00% Add +1.7% 37,180 $826K
State Board of Administration of Florida Retirement System 0.00% Add +47.9% 35,537 $789K
Seven Grand Managers, LLC 0.03% No change 35,000 $777K
Creative Planning 0.00% Add +16.4% 34,857 $774K
Arizona State Retirement System 0.00% Add +0.8% 31,912 $709K
Neo Ivy Capital Management 0.16% Reduce -81.4% 31,440 $698K
Boothbay Fund Management, LLC 0.01% New 30,600 $680K
Intech Investment Management LLC 0.01% Reduce -0.2% 29,553 $656K
Assetmark, Inc. 0.00% Reduce -7.9% 28,621 $636K
Vanguard Investments Australia, Ltd. 0.00% No change 27,728 $616K
Orion Porfolio Solutions, LLC 0.00% Reduce -0.6% 26,883 $597K
Allianz Asset Management GmbH 0.00% Add +78.0% 26,700 $593K
China Universal Asset Management Co., Ltd. 0.03% Reduce -10.0% 26,310 $584K
KLP Kapitalforvaltning As 0.00% No change 25,400 $564K
BNP Paribas Financial Markets 0.00% Reduce -39.4% 23,786 $528K
ProShare Advisors LLC 0.00% Reduce -12.7% 23,283 $517K
Blackstone Inc. 0.00% Reduce -60.5% 22,578 $501K
Prudential Financial Inc. 0.00% Add +9.3% 22,480 $499K
CenterBook Partners LP 0.02% New 21,538 $478K
Elevate Capital Advisors, LLC 0.25% Reduce -16.9% 20,435 $454K
LPL Financial LLC 0.00% Add +9.2% 20,058 $445K
Pavaki Capital Management LLC 0.25% No change 20,000 $444K
PSP Research LLC 0.24% No change 20,000 $444K
Pictet Asset Management Holding SA 0.00% No change 19,372 $430K
Z3 Capital Partners, LLC 0.09% Reduce -1.1% 18,925 $420K
Lion Point Capital, LP 1.91% No change 18,000 $400K
Virtus Investment Advisers, LLC 0.09% Add +27.1% 17,988 $400K
E Fund Management Co., Ltd. 0.01% Reduce -29.4% 16,230 $360K
BIT Capital GmbH 0.01% New 15,700 $349K
Stifel Financial Corp. 0.00% Reduce -6.7% 14,952 $332K
Rockefeller Capital Management L.P. 0.00% Reduce -5.8% 14,278 $317K
Two Sigma Investments, LP 0.00% New 14,178 $315K
Mariner, LLC 0.00% Reduce -13.6% 13,904 $309K
NewEdge Advisors, LLC 0.00% New 13,522 $300K
Xponance LLC 0.00% Add +10.1% 13,436 $298K
Teacher Retirement System of Texas 0.00% Reduce -9.7% 13,358 $297K
Ameritas Investment Partners, Inc. 0.01% Add +13.5% 12,381 $275K
Universal- Beteiligungs- und Servicegesellschaft mbH 0.00% Add +2.6% 12,111 $269K
Guggenheim Capital LLC 0.00% Reduce -9.7% 11,051 $245K
Two Sigma Securities, LLC 0.02% New 10,015 $222K
Janney Montgomery Scott LLC 0.00% New 9,762 $217K
Vanguard Personalized Indexing Management, LLC 0.00% New 9,429 $209K
Caption Management, LLC 0.01% No change 7,894 $175K
Mirae Asset Global Investments Co., Ltd. 0.00% Reduce -13.9% 7,393 $164K
Steward Partners Investment Advisory, LLC 0.00% Add +0.9% 6,944 $154K
Public Employees Retirement Association of Colorado 0.00% No change 5,740 $127K
Persistent Asset Partners Ltd 0.04% New 5,569 $124K
Tower Research Capital LLC (TRC) 0.00% Reduce -55.4% 5,187 $115K
Keating Financial Advisory Services, Inc. 0.01% Add +0.4% 5,112 $114K
Nykredit A/S 0.00% — 5,102 $113K
Jones Financial Companies LLLP 0.00% Add +10.0% 4,928 $103K
Mark Sheptoff Financial Planning, LLC 0.05% Add +2.4% 4,250 $94K
IFP Advisors, Inc 0.00% Reduce -0.3% 3,756 $83K
GF Fund Management Co. LTD. 0.00% Add +8.6% 3,485 $77K
KBC Group NV 0.00% No change 3,405 $76K
Hilton Head Capital Partners, LLC 0.04% Add +136.5% 3,420 $76K
Nisa Investment Advisors, LLC 0.00% Add +14.0% 3,387 $75K
Allworth Financial LP 0.00% Add +19.7% 2,787 $62K
Simplex Trading, LLC 0.00% Add +15.7% 2,007 $45K
Chung Wu Investment Group, LLC 0.03% No change 2,000 $44K
Sterling Capital Management LLC 0.00% Reduce -40.3% 1,960 $44K
Pacer Advisors, Inc. 0.00% New 1,922 $43K
Kemnay Advisory Services Inc. 0.00% Add +9.9% 1,303 $29K
Summit Securities Group LLC 0.01% New 1,268 $28K
Osaic Holdings, Inc. 0.00% Reduce -4.0% 1,239 $28K
GAMMA Investing LLC 0.00% Add +9.9% 1,153 $26K
Arax Advisory Partners 0.00% New 997 $22K
US Bancorp \de 0.00% Add +0.7% 972 $22K
Versant Capital Management, Inc 0.00% No change 859 $19K
State of Wyoming 0.00% New 804 $18K
Larson Financial Group LLC 0.00% No change 796 $18K
Compass Financial Management LLC 0.00% — 724 $18K
Optiver Holding B.V. 0.00% New 747 $17K
Smartleaf Asset Management LLC 0.00% No change 769 $16K
PNC Financial Services Group, Inc. 0.00% Reduce -41.7% 537 $12K
Inspire Investing, LLC 0.00% Reduce -95.0% 468 $10K
Signaturefd, LLC 0.00% Add +51.1% 420 $9K
Group One Trading LLC 0.00% Reduce -65.2% 373 $8K
First Horizon Corp. 0.00% Reduce -12.0% 360 $8K
Los Angeles Capital Management LLC 0.00% Reduce -47.4% 322 $7K
Truvestments Capital LLC 0.00% No change 295 $7K
Geneos Wealth Management Inc. 0.00% Reduce -57.9% 291 $6K
Whittier Trust Co. of Nevada Inc. 0.00% Add +75.3% 263 $6K
Northwestern Mutual Wealth Management Co. 0.00% New 267 $6K
MassMutual Private Wealth & Trust, FSB 0.00% No change 243 $5K
Aspect Partners, LLC 0.00% Add +3.6% 233 $5K
Rothschild Investment LLC 0.00% No change 210 $5K
Fortitude Family Office, LLC 0.00% Add +636.0% 184 $4K
SBI Securities Co., Ltd. 0.00% Reduce -3.1% 154 $3K
EverSource Wealth Advisors, LLC 0.00% Reduce -3.5% 111 $2K
Bessemer Group Inc. 0.00% New 97 $2K
Hantz Financial Services, Inc. 0.00% New 102 $2K
Continuum Advisory, LLC 0.00% New 88 $2K
Ares Financial Consulting, LLC 0.00% New 84 $2K
Global Retirement Partners, LLC 0.00% — 84 $2K
Silver Grove Financial Group, Inc. 0.00% New 76 $2K
Cape Investment Advisory, Inc. 0.00% New 71 $2K
Essential Partners LLC 0.00% Reduce -87.4% 56 $1K
Park Place Capital Corp 0.00% No change 47 $1K
Cornerstone Financial Management LLC 0.00% No change 40 $888
Basecamp Wealth Advisors LLC 0.00% No change 33 $733
Rialto Wealth Management, LLC 0.00% New 31 $689
SJS Investment Consulting Inc. 0.00% New 28 $622
Parallel Advisors, LLC 0.00% No change 27 $600
Quarry LP 0.00% Reduce -96.5% 26 $577
Farther Finance Advisors, LLC 0.00% Reduce -16.7% 20 $444
Clearstead Advisors, LLC 0.00% New 15 $334
Fiduciary Financial Advisors 0.00% New 15 $311
True Wealth Design, LLC 0.00% No change 13 $289
Creative Capital Management Investments LLC 0.00% New 8 $178
CVA Family Office, LLC 0.00% New 6 $133
Hughes Financial Services, LLC 0.00% Reduce -50.0% 3 $67
HFM Investment Advisors, LLC 0.00% New 3 $67
DecisionPoint Financial, LLC 0.00% New 1 $22
LRI Investments, LLC 0.00% New 1 $22
Navigoe, LLC 0.00% New 1 $0

"% of holder's portfolio" is DYN's weight in each manager's 13F, not the share of Dyne Therapeutics Inc. the manager owns.