D.E. Shaw & Co
TECX

D.E. Shaw & Co’s Tectonic Therapeutic TECX Stock Holding History

D.E. Shaw & Co’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 		$6.41M Buy
186,550
+70,430
+61% +$2.07M ﹤0.01% 2197
2026
Q1 		$3.59M Sell
116,120
-4,130
-3% -$102K ﹤0.01% 2431
2025
Q4 		$2.51M Buy
+120,250
New +$2.23M ﹤0.01% 2869
2022
Q4 		– Sell
-8,137
Closed -$63K – 5187
2022
Q3 		$63K Sell
8,137
-29,267
-78% -$325K ﹤0.01% 4663
2022
Q2 		$413K Sell
37,404
-2,700
-7% -$31.8K ﹤0.01% 4209
2022
Q1 		$635K Buy
40,104
+35,148
+709% +$726K ﹤0.01% 4224
2021
Q4 		$229K Buy
+4,956
New +$285K ﹤0.01% 4814
2020
Q3 		– Sell
-1,495
Closed -$313K – 4232
2020
Q2 		$313K Buy
+1,495
New +$308K ﹤0.01% 3611

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

D.E. Shaw & Co's TECX Position: Q2 2026 in Review

D.E. Shaw & Co increased its Tectonic Therapeutic (TECX) stake by 61% in Q2 2026, buying an estimated $2.07M and bringing the position to 186,550 shares worth $6.41M. The position accounts for ﹤0.01% of the portfolio, ranked #2197.

D.E. Shaw & Co first reported a position in TECX in Q2 2020 and has held it in 8 quarters since. 123 funds tracked by Wall St. Rank hold TECX as of Q2 2026.

  • D.E. Shaw & Co held 186,550 shares of Tectonic Therapeutic worth $6.41M as of Q2 2026.
  • D.E. Shaw & Co bought 70,430 Tectonic Therapeutic shares in Q2 2026, an estimated $2.07M.
  • Tectonic Therapeutic made up ﹤0.01% of D.E. Shaw & Co's portfolio in Q2 2026, its #2197 holding.
  • D.E. Shaw & Co first reported a position in Tectonic Therapeutic in Q2 2020 and has held it in 8 quarters since.
  • 123 funds tracked by Wall St. Rank held Tectonic Therapeutic as of Q2 2026.

Based on D.E. Shaw & Co's 13F filing for Q2 2026, filed 14 Aug 2026.