AllianceBernstein
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AllianceBernstein’s Dyne Therapeutics DYN Stock Holding History

AllianceBernstein’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 		$3.12M Buy
172,080
+36,140
+27% +$672K ﹤0.01% 1800
2026
Q1 		$2.66M Buy
135,940
+1,680
+1% +$29K ﹤0.01% 1843
2025
Q4 		$2.63M Buy
134,260
+27,580
+26% +$522K ﹤0.01% 1851
2025
Q3 		$1.35M Buy
106,680
+8,440
+9% +$96.3K ﹤0.01% 2207
2025
Q2 		$935K Sell
98,240
-69,385
-41% -$764K ﹤0.01% 2333
2025
Q1 		$1.75M Buy
167,625
+14,407
+9% +$206K ﹤0.01% 1975
2024
Q4 		$3.61M Sell
153,218
-30,993
-17% -$917K ﹤0.01% 1647
2024
Q3 		$6.62M Sell
184,211
-71,154
-28% -$2.83M ﹤0.01% 1393
2024
Q2 		$9.01M Buy
255,365
+87,014
+52% +$2.53M ﹤0.01% 1219
2024
Q1 		$4.78M Sell
168,351
-111,763
-40% -$2.53M ﹤0.01% 1482
2023
Q4 		$3.73M Buy
280,114
+29,128
+12% +$285K ﹤0.01% 1630
2023
Q3 		$2.25M Sell
250,986
-114,839
-31% -$1.24M ﹤0.01% 1812
2023
Q2 		$4.12M Buy
365,825
+37,713
+11% +$445K ﹤0.01% 1514
2023
Q1 		$3.78M Buy
328,112
+13,524
+4% +$176K ﹤0.01% 1515
2022
Q4 		$3.65M Buy
314,588
+46,063
+17% +$533K ﹤0.01% 1574
2022
Q3 		$3.41M Buy
268,525
+19,894
+8% +$228K ﹤0.01% 1574
2022
Q2 		$1.71M Buy
248,631
+65,331
+36% +$450K ﹤0.01% 2043
2022
Q1 		$1.77M Buy
+183,300
New +$1.56M ﹤0.01% 2160

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

AllianceBernstein's DYN Position: Q2 2026 in Review

AllianceBernstein increased its Dyne Therapeutics (DYN) stake by 27% in Q2 2026, buying an estimated $672K and bringing the position to 172,080 shares worth $3.12M. The position accounts for ﹤0.01% of the portfolio, ranked #1800.

AllianceBernstein first reported a position in DYN in Q1 2022 and has held it in 18 quarters since. The position peaked at $9.01M in Q2 2024. 246 funds tracked by Wall St. Rank hold DYN as of Q2 2026.

  • AllianceBernstein held 172,080 shares of Dyne Therapeutics worth $3.12M as of Q2 2026.
  • AllianceBernstein bought 36,140 Dyne Therapeutics shares in Q2 2026, an estimated $672K.
  • Dyne Therapeutics made up ﹤0.01% of AllianceBernstein's portfolio in Q2 2026, its #1800 holding.
  • AllianceBernstein first reported a position in Dyne Therapeutics in Q1 2022 and has held it in 18 quarters since.
  • AllianceBernstein's Dyne Therapeutics position peaked at $9.01M in Q2 2024.
  • 246 funds tracked by Wall St. Rank held Dyne Therapeutics as of Q2 2026.

Based on AllianceBernstein's 13F filing for Q2 2026, filed 14 Aug 2026.