Jane Street’s Dyne Therapeutics DYN Stock Holding History

Jane Street’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	$1.21M	Sell	66,800 -55,400	-45%	-$955K	﹤0.01%	6104
2025 Q4	$2.39M	Buy	122,200 +57,000	+87%	+$1.08M	﹤0.01%	4462
2025 Q3	$825K	Buy	65,200 +7,600	+13%	+$86.7K	﹤0.01%	6735
2025 Q2	$548K	Buy	+57,600	New	+$634K	﹤0.01%	6749
2024 Q4	–	Sell	-6,100	Closed	-$219K	–	9646
2024 Q3	$219K	Buy	+6,100	New	+$243K	﹤0.01%	8523
2024 Q2	–	Sell	-33,900	Closed	-$962K	–	9527
2024 Q1	$962K	Buy	+33,900	New	+$767K	﹤0.01%	5492

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

Jane Street's DYN Position: Q1 2026 in Review

Jane Street sold out of Dyne Therapeutics (DYN) in Q1 2026, closing a stake of 70,323 shares — an estimated $1.21M sold.

Jane Street first reported a position in DYN in Q4 2022 and held it in 12 quarters. The position peaked at $7.6M in Q2 2024. 227 funds tracked by Wall St. Rank hold DYN as of Q1 2026.

Jane Street reported no remaining Dyne Therapeutics position as of Q1 2026 after selling out during the quarter.
Jane Street sold 70,323 Dyne Therapeutics shares in Q1 2026, an estimated $1.21M.
Jane Street first reported a position in Dyne Therapeutics in Q4 2022 and held it in 12 quarters.
Jane Street's Dyne Therapeutics position peaked at $7.6M in Q2 2024.
227 funds tracked by Wall St. Rank held Dyne Therapeutics as of Q1 2026.

Based on Jane Street's 13F filing for Q1 2026, filed 12 May 2026.