HighVista Strategies LLC

Position in DYN — Dyne Therapeutics, Inc.

CIK 1335325 BOSTON, MA

Position in DYN

as of Jun 30, 2026 · filed Aug 14, 2026 Compact

Position Value

$3,819,253

+$502,751 QoQ

Shares Held

171,961

-6.0% QoQ

Ownership

0.092%

of shares outstanding

% of Portfolio

0.87%

of 13F equity value

Holder Rank

#81

of 245 holders

Holding Since

Dec 2020

13 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Healthcare · as of Jun 30, 2026

HighVista Strategies LLC holds $278,365,756 across 70 Biotechnology names. DYN ranks #31 (1.4% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	ABVX	Abivax S.A.	113,031	$15,062,511
2	RVMD	Revolution Medicines, Inc.	66,983	$12,544,576
3	DFTX	Definium Therapeutics, Inc.	242,884	$11,425,263
4	IMVT	Immunovant, Inc.	277,873	$10,706,446
5	PRAX	Praxis Precision Medicines, Inc.	30,210	$10,114,005
6	RLAY	Relay Therapeutics, Inc.	506,235	$9,471,656
7	PCVX	Vaxcyte, Inc.	149,739	$8,704,328
8	TNGX	Tango Therapeutics, Inc.	260,070	$8,129,788

13 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$3,819,253	171,961	-6.0%	Shares	Sole	2026-08-14
2026-03-31	$3,316,502	182,929	+206.7%	Shares	Sole	2026-05-15
2025-12-31	$1,166,617	59,643	+126.6%	Shares	Sole	2026-02-17
2025-06-30	$250,604	26,324	-66.4%	Shares	Sole	2025-08-14
2025-03-31	$820,273	78,420	0.0%	Shares	Sole	2025-05-15
2024-12-31	$1,847,575	78,420	+19.8%	Shares	Sole	2025-02-14
2024-09-30	$2,352,113	65,482	-36.1%	Shares	Sole	2024-11-14
2023-03-31	$1,180,005	102,431	0.0%	Shares	Sole	2023-05-15
2022-12-31	$1,187,175	102,431	0.0%	Shares	Sole	2023-02-14
2022-09-30	$1,300,873	102,431	-57.6%	Shares	Sole	2022-11-14
2022-06-30	$1,661,626	241,867	+43.4%	Shares	Sole	2022-08-15
2022-03-31	$1,626,181	168,691	+610.0%	Shares	Sole	2022-05-16
2020-12-31	$498,960	23,760	—	Shares	Sole	2021-02-16
No filing history on record for this holder in this stock.