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 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 $145B AUM 22.78% 1-Year Est. Return

Janus Henderson Group London, United Kingdom $209B AUM 37.72% 1-Year Est. Return

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

AVLSA

Atlas Venture Life Science Advisors Cambridge, Massachusetts $790M AUM 223.66% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

OAG

Orbis Allan Gray Hamilton, Bermuda $23.7B AUM 65.43% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

Perceptive Advisors New York $5.12B AUM 314.02% 1-Year Est. Return

FIS

FCPM III Services Naarden, Netherlands $722M AUM 73.61% 1-Year Est. Return

Deep Track Capital's DYN Position: Q1 2026 in Review

Deep Track Capital reduced its Dyne Therapeutics (DYN) stake by 25% in Q1 2026, selling an estimated $11.2M and leaving 2,000,000 shares worth $36.3M. The position accounts for 0.59% of the portfolio, ranked #40.

Deep Track Capital first reported a position in DYN in Q4 2021 and has held it in 17 quarters since. The position peaked at $141M in Q2 2024. 227 funds tracked by Wall St. Rank hold DYN as of Q1 2026.

Deep Track Capital held 2,000,000 shares of Dyne Therapeutics worth $36.3M as of Q1 2026.
Deep Track Capital sold 650,000 Dyne Therapeutics shares in Q1 2026, an estimated $11.2M.
Dyne Therapeutics made up 0.59% of Deep Track Capital's portfolio in Q1 2026, its #40 holding.
Deep Track Capital first reported a position in Dyne Therapeutics in Q4 2021 and has held it in 17 quarters since.
Deep Track Capital's Dyne Therapeutics position peaked at $141M in Q2 2024.
227 funds tracked by Wall St. Rank held Dyne Therapeutics as of Q1 2026.

Based on Deep Track Capital's 13F filing for Q1 2026, filed 15 May 2026.