FCPM III Services’s Dyne Therapeutics DYN Stock Holding History

FCPM III Services’s Portfolio DYN Stock Details DYN Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$85.5M	Sell	3,848,256 -796,130	-17%	-$14.8M	11.39%	3
2026 Q1	$84.2M	Sell	4,644,386 -818,460	-15%	-$14.1M	11.66%	2
2025 Q4	$107M	Hold	5,462,846	–	–	14.01%	2
2025 Q3	$69.1M	Hold	5,462,846	–	–	13.81%	2
2025 Q2	$52M	Hold	5,462,846	–	–	14.09%	2
2025 Q1	$57.1M	Hold	5,462,846	–	–	13.81%	2
2024 Q4	$129M	Sell	5,462,846 -491,223	-8%	-$14.5M	21.73%	2
2024 Q3	$214M	Sell	5,954,069 -1,891,295	-24%	-$75.3M	36.73%	1
2024 Q2	$277M	Hold	7,845,364	–	–	40.83%	1
2024 Q1	$223M	Buy	7,845,364 +1,714,285	+28%	+$38.8M	31.49%	2
2023 Q4	$81.5M	Buy	+6,131,079	New	+$59.9M	24.03%	2

Other funds holding DYN

T. Rowe Price Investment Management Baltimore, Maryland $153B AUM 38.14% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Jupiter Topco New York $245B AUM

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

OAG

Orbis Allan Gray Hamilton, Bermuda $29.1B AUM 60.8% 1-Year Est. Return

AVLSA

Atlas Venture Life Science Advisors Cambridge, Massachusetts $881M AUM 160.77% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

TCM

TCG Crossover Management Palo Alto, California $4.16B AUM 983.43% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

FCPM III Services's DYN Position: Q2 2026 in Review

FCPM III Services reduced its Dyne Therapeutics (DYN) stake by 17% in Q2 2026, selling an estimated $14.8M and leaving 3,848,256 shares worth $85.5M. The position accounts for 11.39% of the portfolio, ranked #3.

FCPM III Services first reported a position in DYN in Q4 2023 and has held it in 11 quarters since. The position peaked at $277M in Q2 2024. 246 funds tracked by Wall St. Rank hold DYN as of Q2 2026.

FCPM III Services held 3,848,256 shares of Dyne Therapeutics worth $85.5M as of Q2 2026.
FCPM III Services sold 796,130 Dyne Therapeutics shares in Q2 2026, an estimated $14.8M.
Dyne Therapeutics made up 11.39% of FCPM III Services's portfolio in Q2 2026, its #3 holding.
FCPM III Services first reported a position in Dyne Therapeutics in Q4 2023 and has held it in 11 quarters since.
FCPM III Services's Dyne Therapeutics position peaked at $277M in Q2 2024.
246 funds tracked by Wall St. Rank held Dyne Therapeutics as of Q2 2026.

Based on FCPM III Services's 13F filing for Q2 2026, filed 14 Aug 2026.