Alyeska Investment Group
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Alyeska Investment Group’s Dyne Therapeutics DYN Stock Holding History

Alyeska Investment Group’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 		$5.45M Buy
+245,278
New +$4.56M 0.01% 496
2024
Q3 		– Sell
-25,000
Closed -$882K – 574
2024
Q2 		$882K Buy
+25,000
New +$726K 0.01% 469
2021
Q3 		– Sell
-125,566
Closed -$2.64M – 707
2021
Q2 		$2.64M Hold
125,566
– – 0.03% 463
2021
Q1 		$1.95M Buy
125,566
+47,000
+60% +$910K 0.03% 485
2020
Q4 		$1.65M Buy
78,566
+49,371
+169% +$977K 0.02% 389
2020
Q3 		$589K Buy
+29,195
New +$641K 0.01% 411

Other funds holding DYN

T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $153B AUM 38.14% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
JT
Jupiter Topco New York $245B AUM
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
State Street
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
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
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Alyeska Investment Group's DYN Position: Q2 2026 in Review

Alyeska Investment Group opened a new position in Dyne Therapeutics (DYN) in Q2 2026: 245,278 shares worth $5.45M. The stake represents 0.01% of the portfolio and ranks #496 among its holdings. This is a return to the name: Alyeska Investment Group previously reported a position in DYN as recently as Q2 2024.

Alyeska Investment Group first reported a position in DYN in Q3 2020 and has held it in 6 quarters since. 246 funds tracked by Wall St. Rank hold DYN as of Q2 2026.

  • Alyeska Investment Group held 245,278 shares of Dyne Therapeutics worth $5.45M as of Q2 2026.
  • Dyne Therapeutics was a new Alyeska Investment Group position in Q2 2026.
  • Dyne Therapeutics made up 0.01% of Alyeska Investment Group's portfolio in Q2 2026, its #496 holding.
  • Alyeska Investment Group first reported a position in Dyne Therapeutics in Q3 2020 and has held it in 6 quarters since.
  • 246 funds tracked by Wall St. Rank held Dyne Therapeutics as of Q2 2026.

Based on Alyeska Investment Group's 13F filing for Q2 2026, filed 14 Aug 2026.