Dyne Therapeutics, Inc. (DYN) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

141,810,881Shares Outstanding

180,465,884Shares held by institutions

$3,302,525,677Value 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 with active 13F positions as of December 2025.

These investors collectively held 125.6% of Dyne Therapeutics's outstanding shares in December 2025, up from 112.8% in September 2025.
They increased total shares held in DYN by 19.76% quarter over quarter, and investors in Dyne Therapeutics increased 14.72% from a year ago.
Activity in DYN broke down as 146 buyers, 61 sellers, and 19 unchanged among 226 total holders.
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 WASATCH ADVISORS LP at 443.67K shares, representing 0.31% of shares outstanding.
The biggest buyers of Dyne Therapeutics for the quarter ending December 2025 included Aegis Wealth Management LLC (59.12K), WASATCH ADVISORS LP (36.71K), E Fund Management Co., Ltd. (23.0K), Inspire Investing, LLC (9.3K), Pictet Asset Management Holding SA (6.41K).
The biggest sellers of Dyne Therapeutics for the quarter ending December 2025 included SG Americas Securities, LLC (152.76K), Sterling Capital Management LLC (1.88K), PSP Research LLC (1.54K), SIGNATUREFD, LLC (42).
According to Business Quant data, leading holders of DYN for December 2025 are WASATCH ADVISORS LP (443.67K), Aegis Wealth Management LLC (135.03K), SG Americas Securities, LLC (112.63K), ARCADIA INVESTMENT MANAGEMENT CORP/MI (49.48K), Elevate Capital Advisors, LLC (24.6K), E Fund Management Co., Ltd. (23.0K), PSP Research LLC (20.0K), Pictet Asset Management Holding SA (19.37K), Inspire Investing, LLC (9.3K), IFP Advisors, Inc (3.77K).

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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