State of Wisconsin Investment Board’s Tectonic Therapeutic TECX Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2025
Q4
Sell
-15,559
Closed -$244K 2597
2025
Q3
$244K Buy
+15,559
New +$321K ﹤0.01% 2201
2021
Q2
Sell
-3,667
Closed -$558K 2177
2021
Q1
$558K Hold
3,667
﹤0.01% 1566
2020
Q4
$613K Sell
3,667
-458
-11% -$81.4K ﹤0.01% 1466
2020
Q3
$644K Buy
4,125
+983
+31% +$198K ﹤0.01% 1399
2020
Q2
$658K Sell
3,142
-100
-3% -$20.6K ﹤0.01% 1347
2020
Q1
$605K Buy
3,242
+1,275
+65% +$300K ﹤0.01% 1300
2019
Q4
$475K Hold
1,967
﹤0.01% 1463
2019
Q3
$333K Buy
1,967
+425
+28% +$96.2K ﹤0.01% 1430
2019
Q2
$301K Buy
+1,542
New +$333K ﹤0.01% 1442
2018
Q4
Sell
-525
Closed -$327K 1582
2018
Q3
$327K Buy
+525
New +$233K ﹤0.01% 1458

Other funds holding TECX

State of Wisconsin Investment Board's TECX Position: Q4 2025 in Review

State of Wisconsin Investment Board sold out of Tectonic Therapeutic (TECX) in Q4 2025, closing a stake of 15,559 shares — an estimated $244K sold.

State of Wisconsin Investment Board first reported a position in TECX in Q3 2018 and held it in 10 quarters. The position peaked at $658K in Q2 2020. 105 funds tracked by Wall St. Rank hold TECX as of Q4 2025.

  • State of Wisconsin Investment Board reported no remaining Tectonic Therapeutic position as of Q4 2025 after selling out during the quarter.
  • State of Wisconsin Investment Board sold 15,559 Tectonic Therapeutic shares in Q4 2025, an estimated $244K.
  • State of Wisconsin Investment Board first reported a position in Tectonic Therapeutic in Q3 2018 and held it in 10 quarters.
  • State of Wisconsin Investment Board's Tectonic Therapeutic position peaked at $658K in Q2 2020.
  • 105 funds tracked by Wall St. Rank held Tectonic Therapeutic as of Q4 2025.

Based on State of Wisconsin Investment Board's 13F filing for Q4 2025, filed 17 Feb 2026.