Sofinnova Investments, Inc.

Position in DYN — Dyne Therapeutics, Inc.

CIK 1631134 Menlo Park, CA

Position in DYN

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

Position Value

$36,832,708

+$7,210,156 QoQ

Shares Held

1,658,384

+1.5% QoQ

Ownership

0.888%

of shares outstanding

% of Portfolio

1.97%

of 13F equity value

Holder Rank

#29

of 245 holders

Holding Since

Jun 2023

13 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Healthcare · as of Jun 30, 2026

Sofinnova Investments, Inc. holds $1,182,454,857 across 43 Biotechnology names. DYN ranks #12 (3.1% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	VERA	Vera Therapeutics, Inc.	2,793,987	$119,889,982
2	GMAB	Genmab A/S	4,045,215	$111,122,056
3	JAZZ	Jazz Pharmaceuticals plc	365,341	$88,036,220
4	RAPP	Rapport Therapeutics, Inc.	1,904,408	$79,356,681
5	SPTX	Seaport Therapeutics, Inc.	3,564,871	$77,428,998
6	AVBP	ArriVent BioPharma, Inc.	1,696,752	$58,945,164
7	RARE	Ultragenyx Pharmaceutical Inc.	1,717,505	$57,347,491
8	RYTM	Rhythm Pharmaceuticals, Inc.	408,027	$45,303,237

13 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$36,832,708	1,658,384	+1.5%	Shares	Sole	2026-08-14
2026-03-31	$29,622,552	1,633,897	-27.5%	Shares	Sole	2026-05-15
2025-12-31	$44,091,389	2,254,161	+128.7%	Shares	Sole	2026-02-13
2025-09-30	$12,470,724	985,828	+60.3%	Shares	Sole	2025-11-14
2025-06-30	$5,853,514	614,865	-14.2%	Shares	Sole	2025-08-14
2025-03-31	$7,498,732	716,896	-33.1%	Shares	Sole	2025-05-15
2024-12-31	$25,244,492	1,071,498	+38.8%	Shares	Sole	2025-02-14
2024-09-30	$27,732,754	772,070	-52.5%	Shares	Sole	2024-11-13
2024-06-30	$57,371,058	1,625,703	-16.1%	Shares	Sole	2024-08-09
2024-03-31	$54,981,493	1,936,650	+91.1%	Shares	Sole	2024-08-14
2023-12-31	$13,479,616	1,013,505	+47.9%	Shares	Sole	2024-08-15
2023-09-30	$6,138,791	685,133	+55.3%	Shares	Sole	2023-11-14
2023-06-30	$4,961,790	441,048	—	Shares	Sole	2023-08-14
No filing history on record for this holder in this stock.