Dyne Therapeutics, Inc. (DYN) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

141,810,881Shares Outstanding

180,465,884Shares held by institutions

$3,410,805,208Value of institutional holdings

127.26%Institutional ownership %

20.79%Shares Changed QoQ

226No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

Dyne Therapeutics, Inc. (NASDAQ:DYN) has 226 institutional investors that have filed 13F reports for the period ending December 2025.

These investors held 125.6% of outstanding shares in December 2025, up from 112.8% in September 2025.
Their total shares held in DYN increased 19.76% from the prior quarter, while the number of investors in Dyne Therapeutics increased 14.72% year over year.
Of these 226 funds, 146 grew their exposure to Dyne Therapeutics, 61 cut back, and 19 maintained positions.
The aggregate institutional position in Dyne Therapeutics amounted to 178.1Mn shares as of December 2025, up by 29.38Mn shares quarter on quarter, and up 63.19Mn shares year over year.
As of December 31, 2025, the biggest holder of Dyne Therapeutics is Aspect Partners, LLC at 225 shares, representing 0.0% of shares outstanding.
Per Business Quant data, the top 1 holders of Dyne Therapeutics for the quarter ending December 2025 are Aspect Partners, LLC (225).

226 Institutional Holders

180,465,884 Total Shares Held

Rows:

Download Data

Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
T. Rowe Price Investment Management, Inc.	31 Dec, 2025	20,410,657	17,598,235	625.73%	$399,234.00
Janus Henderson Group Plc	31 Dec, 2025	13,887,722	-857,783	-5.82%	$271,603,659.00
VANGUARD GROUP INC	31 Dec, 2025	11,215,565	1,455,151	14.91%	$219,376,451.00
BlackRock, Inc.	31 Dec, 2025	11,190,838	1,555,929	16.15%	$218,892,793.00
Atlas Venture Life Science Advisors, LLC	31 Dec, 2025	9,130,465	0	0.00%	$178,591,895.00
State Street Corp	31 Dec, 2025	6,692,745	1,423,828	27.02%	$130,910,092.00
FMR LLC	31 Dec, 2025	6,569,921	1,168,005	21.62%	$128,507,653.00
FCPM III SERVICES B.V.	31 Dec, 2025	5,462,846	0	0.00%	$106,853,268.00
ADAGE CAPITAL PARTNERS GP, L.L.C.	31 Dec, 2025	5,172,000	1,618,000	45.53%	$101,164,320.00
Orbis Allan Gray Ltd	31 Dec, 2025	4,801,928	4,801,928	0.00%	$93,925,712.00
TCG Crossover Management, LLC	31 Dec, 2025	4,615,144	0	0.00%	$90,272,217.00
Goldman Sachs Group Inc	31 Dec, 2025	4,566,382	2,666,167	140.31%	$89,318,432.00
Jpmorgan Chase & Co	31 Dec, 2025	3,549,909	-3,180,581	-47.26%	$69,436,220.00
Siren, L.L.C.	31 Dec, 2025	3,502,941	-1,226,233	-25.93%	$68,517,526.00
PERCEPTIVE ADVISORS LLC	31 Dec, 2025	3,478,944	2,938,500	543.72%	$68,048,145.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	3,263,429	395,824	13.80%	$63,844,380.00
ARMISTICE CAPITAL, LLC	31 Dec, 2025	3,249,708	185,708	6.06%	$63,564,288.00
Frazier Life Sciences Management, L.P.	31 Dec, 2025	3,153,082	434,977	16.00%	$61,674,284.00
Deep Track Capital, LP	31 Dec, 2025	2,650,000	650,000	32.50%	$51,834,000.00
Vivo Capital, LLC	31 Dec, 2025	2,614,960	0	0.00%	$51,148,618.00

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