TCM
TECX

Tang Capital Management’s Tectonic Therapeutic TECX Stock Holding History

Tang Capital 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
-179,166
Closed -$2.81M – 197
2025
Q3 		$2.81M Hold
179,166
– – 0.11% 112
2025
Q2 		$3.56M Hold
179,166
– – 0.18% 100
2025
Q1 		$3.17M Buy
179,166
+100,000
+126% +$3.26M 0.18% 102
2024
Q4 		$3.66M Hold
79,166
– – 0.24% 86
2024
Q3 		$2.4M Hold
79,166
– – 0.17% 95
2024
Q2 		$1.3M Buy
79,166
+8,099
+11% +$130K 0.13% 87
2024
Q1 		$1.09M Buy
+71,067
New +$1.13M 0.11% 86
2023
Q4 		– Sell
-292,724
Closed -$5.41M – 133
2023
Q3 		$5.41M Buy
292,724
+67,307
+30% +$1.19M 0.76% 41
2023
Q2 		$2.57M Buy
225,417
+222,283
+7,093% +$2.51M 0.38% 64
2023
Q1 		$37.6K Buy
+3,134
New +$43.6K 0.01% 103
2020
Q4 		– Sell
-58,333
Closed -$9.11M – 21
2020
Q3 		$9.11M Sell
58,333
-8,334
-13% -$1.68M 1.65% 13
2020
Q2 		$14M Sell
66,667
-16,666
-20% -$3.43M 1.36% 12
2020
Q1 		$15.6M Hold
83,333
– – 2.18% 9
2019
Q4 		$20.1M Buy
83,333
+14,240
+21% +$2.75M 2.41% 7
2019
Q3 		$11.7M Buy
+69,093
New +$15.6M 2% 5

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

Tang Capital Management's TECX Position: Q4 2025 in Review

Tang Capital Management sold out of Tectonic Therapeutic (TECX) in Q4 2025, closing a stake of 179,166 shares — an estimated $2.81M sold.

Tang Capital Management first reported a position in TECX in Q3 2019 and held it in 15 quarters. The position peaked at $20.1M in Q4 2019. 105 funds tracked by Wall St. Rank hold TECX as of Q4 2025.

  • Tang Capital Management reported no remaining Tectonic Therapeutic position as of Q4 2025 after selling out during the quarter.
  • Tang Capital Management sold 179,166 Tectonic Therapeutic shares in Q4 2025, an estimated $2.81M.
  • Tang Capital Management first reported a position in Tectonic Therapeutic in Q3 2019 and held it in 15 quarters.
  • Tang Capital Management's Tectonic Therapeutic position peaked at $20.1M in Q4 2019.
  • 105 funds tracked by Wall St. Rank held Tectonic Therapeutic as of Q4 2025.

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