Group One Trading’s Dyne Therapeutics DYN Stock Holding History

Group One Trading’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	$16.3K	Sell	900 -900	-50%	-$15.5K	﹤0.01%	6088
2025 Q4	$35.2K	Buy	1,800 +500	+38%	+$9.47K	﹤0.01%	5888
2025 Q3	$16.4K	Buy	1,300 +300	+30%	+$3.42K	﹤0.01%	6844
2025 Q2	$9.52K	Sell	1,000 -2,000	-67%	-$22K	﹤0.01%	6747
2025 Q1	$31.4K	Buy	3,000 +1,500	+100%	+$21.5K	﹤0.01%	5511
2024 Q4	$35.3K	Sell	1,500 -3,500	-70%	-$104K	﹤0.01%	5304
2024 Q3	$180K	Buy	+5,000	New	+$199K	﹤0.01%	3719
2024 Q2	–	Sell	-13,900	Closed	-$395K	–	6895
2024 Q1	$395K	Buy	13,900 +7,700	+124%	+$174K	﹤0.01%	2963
2023 Q4	$82.5K	Buy	6,200 +3,200	+107%	+$31.3K	﹤0.01%	4625
2023 Q3	$26.9K	Buy	+3,000	New	+$32.3K	﹤0.01%	5642

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

Group One Trading's DYN Position: Q1 2026 in Review

Group One Trading increased its Dyne Therapeutics (DYN) stake by 65% in Q1 2026, buying an estimated $7.29K and bringing the position to 1,073 shares worth $19.5K. The position accounts for ﹤0.01% of the portfolio, ranked #5987.

Group One Trading first reported a position in DYN in Q3 2023 and has held it in 10 quarters since. The position peaked at $1.05M in Q4 2023. 227 funds tracked by Wall St. Rank hold DYN as of Q1 2026.

Group One Trading held 1,073 shares of Dyne Therapeutics worth $19.5K as of Q1 2026.
Group One Trading bought 423 Dyne Therapeutics shares in Q1 2026, an estimated $7.29K.
Dyne Therapeutics made up ﹤0.01% of Group One Trading's portfolio in Q1 2026, its #5987 holding.
Group One Trading first reported a position in Dyne Therapeutics in Q3 2023 and has held it in 10 quarters since.
Group One Trading's Dyne Therapeutics position peaked at $1.05M in Q4 2023.
227 funds tracked by Wall St. Rank held Dyne Therapeutics as of Q1 2026.

Based on Group One Trading's 13F filing for Q1 2026, filed 13 May 2026.