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Julian Baker’s Dyne Therapeutics DYN Stock Holding History

Julian Baker’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 		$18.1M Hold
813,449
– – 0.09% 58
2026
Q1 		$14.7M Hold
813,449
– – 0.08% 62
2025
Q4 		$15.9M Buy
+813,449
New +$15.4M 0.09% 63
2025
Q2 		– Sell
-672,096
Closed -$7.03M – 92
2025
Q1 		$7.03M Hold
672,096
– – 0.08% 53
2024
Q4 		$15.8M Hold
672,096
– – 0.17% 44
2024
Q3 		$24.1M Hold
672,096
– – 0.25% 38
2024
Q2 		$23.7M Buy
672,096
+387,096
+136% +$11.2M 0.3% 38
2024
Q1 		$8.09M Buy
+285,000
New +$6.45M 0.1% 54

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

Julian Baker's DYN Position: Q2 2026 in Review

Julian Baker held its Dyne Therapeutics (DYN) position steady in Q2 2026 at 813,449 shares worth $18.1M. The position accounts for 0.09% of the portfolio, ranked #58.

Julian Baker first reported a position in DYN in Q1 2024 and has held it in 8 quarters since. The position peaked at $24.1M in Q3 2024. 245 funds tracked by Wall St. Rank hold DYN as of Q2 2026.

  • Julian Baker held 813,449 shares of Dyne Therapeutics worth $18.1M as of Q2 2026.
  • Julian Baker left its Dyne Therapeutics share count unchanged in Q2 2026.
  • Dyne Therapeutics made up 0.09% of Julian Baker's portfolio in Q2 2026, its #58 holding.
  • Julian Baker first reported a position in Dyne Therapeutics in Q1 2024 and has held it in 8 quarters since.
  • Julian Baker's Dyne Therapeutics position peaked at $24.1M in Q3 2024.
  • 245 funds tracked by Wall St. Rank held Dyne Therapeutics as of Q2 2026.

Based on Baker Bros. Advisors's 13F filing for Q2 2026, filed 14 Aug 2026.