Deep Track Capital’s Dyne Therapeutics DYN Stock Holding History

Deep Track Capital’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	$33.3M	Sell	1,500,000 -500,000	-25%	-$9.3M	0.48%	47
2026 Q1	$36.3M	Sell	2,000,000 -650,000	-25%	-$11.2M	0.59%	40
2025 Q4	$51.8M	Buy	2,650,000 +650,000	+33%	+$12.3M	0.92%	27
2025 Q3	$25.3M	Buy	+2,000,000	New	+$22.8M	0.71%	34
2025 Q2	–	Sell	-2,000,000	Closed	-$20.9M	–	70
2025 Q1	$20.9M	Hold	2,000,000	–	–	0.68%	37
2024 Q4	$47.1M	Sell	2,000,000 -1,282,000	-39%	-$37.9M	1.76%	17
2024 Q3	$118M	Sell	3,282,000 -718,000	-18%	-$28.6M	3.74%	7
2024 Q2	$141M	Sell	4,000,000 -555,383	-12%	-$16.1M	4.21%	4
2024 Q1	$129M	Buy	4,555,383 +2,555,383	+128%	+$57.8M	3.7%	5
2023 Q4	$26.6M	Sell	2,000,000 -403,672	-17%	-$3.94M	0.89%	42
2023 Q3	$21.5M	Sell	2,403,672 -96,240	-4%	-$1.04M	0.83%	38
2023 Q2	$28.1M	Buy	2,499,912 +165,279	+7%	+$1.95M	1.3%	25
2023 Q1	$26.9M	Sell	2,334,633 -349,567	-13%	-$4.54M	1.1%	30
2022 Q4	$31.1M	Sell	2,684,200 -500,000	-16%	-$5.79M	1.31%	26
2022 Q3	$40.4M	Sell	3,184,200 -315,800	-9%	-$3.62M	1.85%	17
2022 Q2	$24M	Hold	3,500,000	–	–	1.58%	24
2022 Q1	$33.7M	Buy	3,500,000 +1,207,750	+53%	+$10.3M	2.16%	19
2021 Q4	$27.3M	Buy	+2,292,250	New	+$32.2M	1.92%	19

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

Deep Track Capital's DYN Position: Q2 2026 in Review

Deep Track Capital reduced its Dyne Therapeutics (DYN) stake by 25% in Q2 2026, selling an estimated $9.3M and leaving 1,500,000 shares worth $33.3M. The position accounts for 0.48% of the portfolio, ranked #47.

Deep Track Capital first reported a position in DYN in Q4 2021 and has held it in 18 quarters since. The position peaked at $141M in Q2 2024. 246 funds tracked by Wall St. Rank hold DYN as of Q2 2026.

Deep Track Capital held 1,500,000 shares of Dyne Therapeutics worth $33.3M as of Q2 2026.
Deep Track Capital sold 500,000 Dyne Therapeutics shares in Q2 2026, an estimated $9.3M.
Dyne Therapeutics made up 0.48% of Deep Track Capital's portfolio in Q2 2026, its #47 holding.
Deep Track Capital first reported a position in Dyne Therapeutics in Q4 2021 and has held it in 18 quarters since.
Deep Track Capital's Dyne Therapeutics position peaked at $141M in Q2 2024.
246 funds tracked by Wall St. Rank held Dyne Therapeutics as of Q2 2026.

Based on Deep Track Capital's 13F filing for Q2 2026, filed 14 Aug 2026.