PRICE T ROWE ASSOCIATES INC /MD/

Position in DYN — Dyne Therapeutics, Inc.

CIK 80255 BALTIMORE, MD

Position in DYN

as of Mar 31, 2026 · filed May 15, 2026 Compact

Position Value

$42,213,401

-$3,239,911 QoQ

Shares Held

2,328,373

+0.2% QoQ

Ownership

1.63%

of shares outstanding

% of Portfolio

0.01%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Sep 2020

21 quarters on record

Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Healthcare · as of Mar 31, 2026

PRICE T ROWE ASSOCIATES INC /MD/ holds $13,950,986,356 across 255 Biotechnology names. DYN ranks #60 (0.3% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	ARGX	Argenx SE	3,374,955	$2,464,560,888
2	REGN	Regeneron Pharmaceuticals, Inc.	2,177,527	$1,682,444,460
3	VRTX	Vertex Pharmaceuticals Inc / Ma	1,760,122	$785,964,877
4	INSM	INSMED Inc	3,092,807	$505,735,799
5	KYMR	Kymera Therapeutics, Inc.	6,060,847	$504,807,946
6	ALNY	Alnylam Pharmaceuticals, Inc.	1,432,748	$474,053,330
7	RVMD	Revolution Medicines, Inc.	3,232,213	$314,332,713
8	SRRK	Scholar Rock Holding Corp	6,206,618	$305,117,340

21 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$42,213,401	2,328,373	+0.2%	Shares	Defined	2026-05-15
2025-12-31	$45,453,312	2,323,789	+66.2%	Shares	Sole	2026-02-17
2025-09-30	$17,685,800	1,398,087	-41.4%	Shares	Sole	2025-11-14
2025-06-30	$22,695,232	2,383,953	+31.0%	Shares	Sole	2025-08-14
2025-03-31	$19,041,540	1,820,415	-24.2%	Shares	Sole	2025-05-14
2024-12-31	$56,601,768	2,402,452	-8.9%	Shares	Sole	2025-02-14
2024-09-30	$94,695,644	2,636,293	+11.4%	Shares	Sole	2024-11-14
2024-06-30	$83,498,574	2,366,069	+109.0%	Shares	Defined	2024-08-14
2024-03-31	$32,140,091	1,132,092	+8284.6%	Shares	Sole	2024-05-15
2023-12-31	$179,575	13,502	-92.3%	Shares	Sole	2024-02-16
2023-09-30	$1,571,466	175,387	+1502.7%	Shares	Sole	2023-11-14
2023-06-30	$123,108	10,943	-96.2%	Shares	Sole	2023-08-14
2023-03-31	$3,355,890	291,310	+645.5%	Shares	Sole	2023-05-15
2022-12-31	$452,913	39,078	+1.0%	Shares	Sole	2023-02-14
2022-09-30	$491,591	38,708	+5.9%	Shares	Sole	2022-11-14
2022-06-30	$251,167	36,560	+0.3%	Shares	Sole	2022-08-15
2022-03-31	$351,455	36,458	+2.0%	Shares	Sole	2022-05-16
2021-12-31	$425,162	35,758	-1.7%	Shares	Sole	2022-02-14
2021-09-30	$590,453	36,358	-92.5%	Shares	Sole	2021-11-15
2020-12-31	$10,183,992	484,952	-1.3%	Shares	Sole	2021-02-16
2020-09-30	$9,922,799	491,471	—	Shares	Sole	2020-11-16
No filing history on record for this holder in this stock.