NASDAQ: DYN
Dyne Therapeutics Inc Stock Ownership - Who owns Dyne Therapeutics?

Insider buying vs selling

Have Dyne Therapeutics Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Brian S. PosnerDirector2026-06-082,000$16.94
$33.88kBuy
Brian S. PosnerDirector2026-06-032,500$17.48
$43.70kBuy
Brian S. PosnerDirector2026-05-262,000$18.21
$36.42kBuy
Brian S. PosnerDirector2026-05-202,500$17.12
$42.80kBuy
Erick LuceraChief Financial Officer2026-05-131,448$18.36
$26.59kSell
Johanna FriedlnadererChief Commercial Officer2026-05-13228$18.36
$4.19kSell
John CoxCEO President2026-05-133,311$18.36
$60.79kSell
Douglas KerrChief Medical Officer2026-05-131,564$18.36
$28.72kSell
Jason P. RhodesDirector2026-05-0643,621$18.18
$793.03kSell
Jason P. RhodesDirector2026-05-0621,926$18.18
$398.61kSell

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Net Insider Buy/Sell (L12M) Ownership

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DYN Shareholders

What type of owners hold Dyne Therapeutics Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
T Rowe Price Investment Management Inc18.62%30,785,801$551.68MInstitution
Janus Henderson Group PLC8.26%13,647,376$244.56MInstitution
Blackrock Inc7.08%11,699,870$209.66MInstitution
Atlas Venture Life Science Advisors LLC5.52%9,130,465$163.62MInstitution
Fmr LLC5.39%8,908,980$159.65MInstitution
Orbis Allan Gray Ltd4.09%6,762,231$121.18MInstitution
State Street Corp4.02%6,653,746$119.24MInstitution
Atlas Venture Fund XI LP3.97%6,562,578$117.60MInsider
Vanguard Capital Management LLC3.87%6,405,069$114.78MInstitution
Forbion Capital Fund IV Cooperatief Ua3.71%6,131,079$109.87MInsider

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DYN vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
DYN84.14%15.86%Net SellingNet Selling
ARQT77.57%22.43%Net SellingNet Selling
GPCR31.31%10.35%Net Selling
BEAM86.44%13.56%Net SellingNet Selling
RCUS67.92%32.08%Net SellingNet Selling

Dyne Therapeutics Stock Ownership FAQ

Who owns Dyne Therapeutics?

Dyne Therapeutics (NASDAQ: DYN) is owned by 113.63% institutional shareholders, 21.42% Dyne Therapeutics insiders, and 0.00% retail investors. Atlas Venture Fund XI LP is the largest individual Dyne Therapeutics shareholder, owning 6.56M shares representing 3.97% of the company. Atlas Venture Fund XI LP's Dyne Therapeutics shares are currently valued at $115.96M.

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