California State Teachers Retirement System (CalSTRS)
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California State Teachers Retirement System (CalSTRS)’s Dyne Therapeutics DYN Stock Holding History

California State Teachers Retirement System (CalSTRS)’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 		$3M Sell
135,147
-4,516
-3% -$84K ﹤0.01% 1393
2026
Q1 		$2.53M Buy
139,663
+18,863
+16% +$325K ﹤0.01% 1389
2025
Q4 		$2.36M Buy
120,800
+31,640
+35% +$599K ﹤0.01% 1323
2025
Q3 		$1.13M Sell
89,160
-12,452
-12% -$142K ﹤0.01% 1728
2025
Q2 		$967K Buy
101,612
+47,977
+89% +$528K ﹤0.01% 1765
2025
Q1 		$561K Hold
53,635
– – ﹤0.01% 1996
2024
Q4 		$1.26M Buy
53,635
+753
+1% +$22.3K ﹤0.01% 1654
2024
Q3 		$1.9M Sell
52,882
-1,646
-3% -$65.5K ﹤0.01% 1436
2024
Q2 		$1.92M Buy
54,528
+9,744
+22% +$283K ﹤0.01% 1397
2024
Q1 		$1.27M Buy
44,784
+10,317
+30% +$233K ﹤0.01% 1673
2023
Q4 		$458K Sell
34,467
-685
-2% -$6.69K ﹤0.01% 2256
2023
Q3 		$315K Sell
35,152
-4,630
-12% -$49.9K ﹤0.01% 2400
2023
Q2 		$448K Buy
39,782
+5,108
+15% +$60.3K ﹤0.01% 2358
2023
Q1 		$399K Sell
34,674
-445
-1% -$5.78K ﹤0.01% 2404
2022
Q4 		$407K Buy
35,119
+392
+1% +$4.54K ﹤0.01% 2431
2022
Q3 		$441K Sell
34,727
-463
-1% -$5.31K ﹤0.01% 2389
2022
Q2 		$242K Buy
35,190
+2,711
+8% +$18.7K ﹤0.01% 2633
2022
Q1 		$313K Sell
32,479
-3,169
-9% -$27K ﹤0.01% 2550
2021
Q4 		$424K Buy
35,648
+465
+1% +$6.54K ﹤0.01% 2571
2021
Q3 		$571K Sell
35,183
-6,228
-15% -$110K ﹤0.01% 2425
2021
Q2 		$871K Buy
41,411
+17,111
+70% +$322K ﹤0.01% 2300
2021
Q1 		$377K Buy
24,300
+2,776
+13% +$53.7K ﹤0.01% 2640
2020
Q4 		$452K Buy
+21,524
New +$426K ﹤0.01% 2470

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 $3.38T AUM 44.17% 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

California State Teachers Retirement System (CalSTRS)'s DYN Position: Q2 2026 in Review

California State Teachers Retirement System (CalSTRS) reduced its Dyne Therapeutics (DYN) stake by 3.2% in Q2 2026, selling an estimated $84K and leaving 135,147 shares worth $3M. The position accounts for ﹤0.01% of the portfolio, ranked #1393.

California State Teachers Retirement System (CalSTRS) first reported a position in DYN in Q4 2020 and has held it in 23 quarters since. 245 funds tracked by Wall St. Rank hold DYN as of Q2 2026.

  • California State Teachers Retirement System (CalSTRS) held 135,147 shares of Dyne Therapeutics worth $3M as of Q2 2026.
  • California State Teachers Retirement System (CalSTRS) sold 4,516 Dyne Therapeutics shares in Q2 2026, an estimated $84K.
  • Dyne Therapeutics made up ﹤0.01% of California State Teachers Retirement System (CalSTRS)'s portfolio in Q2 2026, its #1393 holding.
  • California State Teachers Retirement System (CalSTRS) first reported a position in Dyne Therapeutics in Q4 2020 and has held it in 23 quarters since.
  • 245 funds tracked by Wall St. Rank held Dyne Therapeutics as of Q2 2026.

Based on California State Teachers Retirement System (CalSTRS)'s 13F filing for Q2 2026, filed 24 Aug 2026.