State Street
TECX

State Street’s Tectonic Therapeutic TECX Stock Holding History

State Street’s Portfolio TECX Stock Details TECX Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$7.56M Buy
219,908
+6,403
+3% +$188K ﹤0.01% 2829
2026
Q1 		$6.6M Buy
213,505
+4,380
+2% +$108K ﹤0.01% 2817
2025
Q4 		$4.36M Buy
209,125
+43,594
+26% +$810K ﹤0.01% 3054
2025
Q3 		$2.6M Buy
165,531
+34,490
+26% +$712K ﹤0.01% 3247
2025
Q2 		$2.6M Buy
131,041
+100,236
+325% +$2.03M ﹤0.01% 3216
2025
Q1 		$546K Buy
30,805
+3,400
+12% +$111K ﹤0.01% 3574
2024
Q4 		$1.27M Buy
27,405
+15,728
+135% +$665K ﹤0.01% 3435
2024
Q3 		$354K Hold
11,677
– – ﹤0.01% 3660
2024
Q2 		$192K Sell
11,677
-61
-0.5% -$977 ﹤0.01% 3834
2024
Q1 		$180K Hold
11,738
– – ﹤0.01% 3893
2023
Q4 		$192K Hold
11,738
– – ﹤0.01% 3911
2023
Q3 		$217K Hold
11,738
– – ﹤0.01% 3917
2023
Q2 		$134K Hold
11,738
– – ﹤0.01% 4133
2023
Q1 		$141K Hold
11,738
– – ﹤0.01% 4194
2022
Q4 		$100K Hold
11,738
– – ﹤0.01% 4369
2022
Q3 		$90K Hold
11,738
– – ﹤0.01% 4499
2022
Q2 		$130K Sell
11,738
-40,413
-77% -$476K ﹤0.01% 4399
2022
Q1 		$826K Sell
52,151
-17,724
-25% -$366K ﹤0.01% 3866
2021
Q4 		$3.23M Sell
69,875
-5,243
-7% -$301K ﹤0.01% 3458
2021
Q3 		$5.03M Sell
75,118
-155,861
-67% -$12.8M ﹤0.01% 3236
2021
Q2 		$24.6M Buy
230,979
+40,496
+21% +$4.8M ﹤0.01% 2384
2021
Q1 		$29M Buy
190,483
+79,747
+72% +$13M ﹤0.01% 2122
2020
Q4 		$18.5M Buy
110,736
+2,447
+2% +$435K ﹤0.01% 2281
2020
Q3 		$16.9M Buy
108,289
+10,975
+11% +$2.21M ﹤0.01% 2133
2020
Q2 		$20.4M Buy
97,314
+39,252
+68% +$8.09M ﹤0.01% 2028
2020
Q1 		$10.8M Buy
58,062
+4,493
+8% +$1.06M ﹤0.01% 2233
2019
Q4 		$12.9M Sell
53,569
-147
-0.3% -$28.3K ﹤0.01% 2401
2019
Q3 		$9.1M Buy
53,716
+32,227
+150% +$7.3M ﹤0.01% 2518
2019
Q2 		$4.19M Buy
21,489
+7,683
+56% +$1.66M ﹤0.01% 2923
2019
Q1 		$3.65M Buy
13,806
+6,055
+78% +$1.11M ﹤0.01% 2905
2018
Q4 		$1.55M Buy
7,751
+926
+14% +$282K ﹤0.01% 3213
2018
Q3 		$4.25M Buy
+6,825
New +$3.03M ﹤0.01% 2930

Other funds holding TECX

Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
TCM
TCG Crossover Management Palo Alto, California $4.16B AUM 983.43% 1-Year Est. Return
Aberdeen Group
Aberdeen Group Edinburgh, United Kingdom $71.2B AUM 41.74% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
FLAM
First Light Asset Management Edina, Minnesota $1.65B AUM 203.21% 1-Year Est. Return
BBA
Baker Bros. Advisors New York $20B AUM 154.41% 1-Year Est. Return
5VM
5AM Venture Management San Francisco, California $288M AUM 313.93% 1-Year Est. Return
B
Braidwell Stamford, Connecticut $2.7B AUM 88.53% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
VPC
Vestal Point Capital New York $4.28B AUM 239% 1-Year Est. Return

State Street's TECX Position: Q2 2026 in Review

State Street increased its Tectonic Therapeutic (TECX) stake by 3% in Q2 2026, buying an estimated $188K and bringing the position to 219,908 shares worth $7.56M. The position accounts for ﹤0.01% of the portfolio, ranked #2829.

State Street first reported a position in TECX in Q3 2018 and has held it in 32 quarters since. The position peaked at $29M in Q1 2021. 123 funds tracked by Wall St. Rank hold TECX as of Q2 2026.

  • State Street held 219,908 shares of Tectonic Therapeutic worth $7.56M as of Q2 2026.
  • State Street bought 6,403 Tectonic Therapeutic shares in Q2 2026, an estimated $188K.
  • Tectonic Therapeutic made up ﹤0.01% of State Street's portfolio in Q2 2026, its #2829 holding.
  • State Street first reported a position in Tectonic Therapeutic in Q3 2018 and has held it in 32 quarters since.
  • State Street's Tectonic Therapeutic position peaked at $29M in Q1 2021.
  • 123 funds tracked by Wall St. Rank held Tectonic Therapeutic as of Q2 2026.

Based on State Street's 13F filing for Q2 2026, filed 7 Aug 2026.