SFM
TECX

Sphera Funds Management’s Tectonic Therapeutic TECX Stock Holding History

Sphera Funds 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
2025
Q4 		– Sell
-115,908
Closed -$1.82M – 138
2025
Q3 		$1.82M Buy
+115,908
New +$2.39M 0.38% 76
2021
Q1 		– Sell
-54,656
Closed -$9.14M – 207
2020
Q4 		$9.14M Buy
54,656
+27,531
+101% +$4.89M 0.81% 37
2020
Q3 		$4.24M Buy
+27,125
New +$5.46M 0.42% 65
2019
Q4 		– Sell
-10,527
Closed -$1.78M – 98
2019
Q3 		$1.78M Buy
+10,527
New +$2.38M 0.28% 66

Other funds holding TECX

Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Aberdeen Group
Aberdeen Group Edinburgh, United Kingdom $61.9B AUM 29.81% 1-Year Est. Return
B
Braidwell Stamford, Connecticut $3B AUM 46.72% 1-Year Est. Return
BBA
Baker Bros. Advisors New York $17.4B AUM 131.5% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
5VM
5AM Venture Management San Francisco, California $360M AUM 345.76% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
O
OrbiMed New York $5.05B AUM 125.28% 1-Year Est. Return
Point72 Asset Management
Point72 Asset Management Stamford, Connecticut $78.1B AUM 55.25% 1-Year Est. Return
VPC
Vestal Point Capital New York $3.58B AUM 189.12% 1-Year Est. Return

Sphera Funds Management's TECX Position: Q4 2025 in Review

Sphera Funds Management sold out of Tectonic Therapeutic (TECX) in Q4 2025, closing a stake of 115,908 shares — an estimated $1.82M sold.

Sphera Funds Management first reported a position in TECX in Q3 2019 and held it in 4 quarters. The position peaked at $9.14M in Q4 2020. 105 funds tracked by Wall St. Rank hold TECX as of Q4 2025.

  • Sphera Funds Management reported no remaining Tectonic Therapeutic position as of Q4 2025 after selling out during the quarter.
  • Sphera Funds Management sold 115,908 Tectonic Therapeutic shares in Q4 2025, an estimated $1.82M.
  • Sphera Funds Management first reported a position in Tectonic Therapeutic in Q3 2019 and held it in 4 quarters.
  • Sphera Funds Management's Tectonic Therapeutic position peaked at $9.14M in Q4 2020.
  • 105 funds tracked by Wall St. Rank held Tectonic Therapeutic as of Q4 2025.

Based on Sphera Funds Management's 13F filing for Q4 2025, filed 17 Feb 2026.