California State Teachers Retirement System (CalSTRS)
TECX

California State Teachers Retirement System (CalSTRS)’s Tectonic Therapeutic TECX Stock Holding History

California State Teachers Retirement System (CalSTRS)’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
Q1 		$18.4K Sell
595
-81
-12% -$1.99K ﹤0.01% 2471
2025
Q4 		$14.1K Sell
676
-8
-1% -$149 ﹤0.01% 2653
2025
Q3 		$10.7K Buy
+684
New +$14.1K ﹤0.01% 2809
2022
Q2 		– Sell
-1,378
Closed -$22K – 3328
2022
Q1 		$22K Sell
1,378
-247
-15% -$5.1K ﹤0.01% 3160
2021
Q4 		$75K Sell
1,625
-2,437
-60% -$140K ﹤0.01% 3078
2021
Q3 		$272K Sell
4,062
-103
-2% -$8.45K ﹤0.01% 2628
2021
Q2 		$444K Sell
4,165
-301
-7% -$35.7K ﹤0.01% 2704
2021
Q1 		$680K Buy
4,466
+534
+14% +$86.9K ﹤0.01% 2376
2020
Q4 		$658K Hold
3,932
– – ﹤0.01% 2289
2020
Q3 		$614K Buy
3,932
+51
+1% +$10.3K ﹤0.01% 2155
2020
Q2 		$813K Buy
3,881
+912
+31% +$188K ﹤0.01% 1969
2020
Q1 		$554K Buy
2,969
+293
+11% +$69K ﹤0.01% 2011
2019
Q4 		$646K Hold
2,676
– – ﹤0.01% 2213
2019
Q3 		$453K Buy
2,676
+664
+33% +$150K ﹤0.01% 2359
2019
Q2 		$393K Buy
2,012
+370
+23% +$79.8K ﹤0.01% 2494
2019
Q1 		$435K Buy
1,642
+875
+114% +$160K ﹤0.01% 2386
2018
Q4 		$153K Hold
767
– – ﹤0.01% 2844
2018
Q3 		$478K Buy
+767
New +$340K ﹤0.01% 2477

Other funds holding TECX

Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
TCM
TCG Crossover Management Palo Alto, California $3.5B AUM 1,165.83% 1-Year Est. Return
Aberdeen Group
Aberdeen Group Edinburgh, United Kingdom $61.9B AUM 29.81% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
B
Braidwell Stamford, Connecticut $3B AUM 46.72% 1-Year Est. Return
FLAM
First Light Asset Management Edina, Minnesota $1.12B AUM 114.45% 1-Year Est. Return
BBA
Baker Bros. Advisors New York $17.4B AUM 131.5% 1-Year Est. Return
5VM
5AM Venture Management San Francisco, California $360M AUM 345.76% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
VPC
Vestal Point Capital New York $3.58B AUM 189.12% 1-Year Est. Return

California State Teachers Retirement System (CalSTRS)'s TECX Position: Q1 2026 in Review

California State Teachers Retirement System (CalSTRS) reduced its Tectonic Therapeutic (TECX) stake by 12% in Q1 2026, selling an estimated $1.99K and leaving 595 shares worth $18.4K. The position accounts for ﹤0.01% of the portfolio, ranked #2471.

California State Teachers Retirement System (CalSTRS) first reported a position in TECX in Q3 2018 and has held it in 18 quarters since. The position peaked at $813K in Q2 2020. 111 funds tracked by Wall St. Rank hold TECX as of Q1 2026.

  • California State Teachers Retirement System (CalSTRS) held 595 shares of Tectonic Therapeutic worth $18.4K as of Q1 2026.
  • California State Teachers Retirement System (CalSTRS) sold 81 Tectonic Therapeutic shares in Q1 2026, an estimated $1.99K.
  • Tectonic Therapeutic made up ﹤0.01% of California State Teachers Retirement System (CalSTRS)'s portfolio in Q1 2026, its #2471 holding.
  • California State Teachers Retirement System (CalSTRS) first reported a position in Tectonic Therapeutic in Q3 2018 and has held it in 18 quarters since.
  • California State Teachers Retirement System (CalSTRS)'s Tectonic Therapeutic position peaked at $813K in Q2 2020.
  • 111 funds tracked by Wall St. Rank held Tectonic Therapeutic as of Q1 2026.

Based on California State Teachers Retirement System (CalSTRS)'s 13F filing for Q1 2026, filed 18 May 2026.