SAM
TECX

Sectoral Asset Management’s Tectonic Therapeutic TECX Stock Holding History

Sectoral Asset Management’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 		$628K Sell
19,059
-23,196
-55% -$571K 0.52% 50
2025
Q4 		$881K Sell
42,255
-150,515
-78% -$2.8M 0.71% 37
2025
Q3 		$3.02M Buy
192,770
+93,800
+95% +$1.94M 1.87% 19
2025
Q2 		$1.97M Buy
+98,970
New +$2.01M 1.3% 25

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

Sectoral Asset Management's TECX Position: Q1 2026 in Review

Sectoral Asset Management reduced its Tectonic Therapeutic (TECX) stake by 55% in Q1 2026, selling an estimated $571K and leaving 19,059 shares worth $628K. The position accounts for 0.52% of the portfolio, ranked #50.

Sectoral Asset Management first reported a position in TECX in Q2 2025 and has held it in 4 quarters since. The position peaked at $3.02M in Q3 2025. 111 funds tracked by Wall St. Rank hold TECX as of Q1 2026.

  • Sectoral Asset Management held 19,059 shares of Tectonic Therapeutic worth $628K as of Q1 2026.
  • Sectoral Asset Management sold 23,196 Tectonic Therapeutic shares in Q1 2026, an estimated $571K.
  • Tectonic Therapeutic made up 0.52% of Sectoral Asset Management's portfolio in Q1 2026, its #50 holding.
  • Sectoral Asset Management first reported a position in Tectonic Therapeutic in Q2 2025 and has held it in 4 quarters since.
  • Sectoral Asset Management's Tectonic Therapeutic position peaked at $3.02M in Q3 2025.
  • 111 funds tracked by Wall St. Rank held Tectonic Therapeutic as of Q1 2026.

Based on Sectoral Asset Management's 13F filing for Q1 2026, filed 15 May 2026.