Prosight Management’s Tectonic Therapeutic TECX Stock Holding History

Prosight 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 Q2	$1.37M	Sell	39,731 -40,141	-50%	-$1.18M	0.24%	31
2026 Q1	$2.47M	Sell	79,872 -155,128	-66%	-$3.82M	0.4%	29
2025 Q4	$4.9M	Sell	235,000 -144,254	-38%	-$2.68M	1.01%	26
2025 Q3	$5.95M	Sell	379,254 -62,802	-14%	-$1.3M	1.39%	25
2025 Q2	$8.78M	Buy	442,056 +43,171	+11%	+$875K	2.14%	15
2025 Q1	$7.06M	Buy	+398,885	New	+$13M	2.32%	17
2024 Q4	–	Sell	-137,614	Closed	-$4.17M	–	51
2024 Q3	$4.17M	Buy	137,614 +70,153	+104%	+$1.28M	1.03%	29
2024 Q2	$1.11M	Buy	67,461 +20,251	+43%	+$324K	0.33%	38
2024 Q1	$725K	Buy	+47,210	New	+$748K	0.2%	43

Other funds holding TECX

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 Edinburgh, United Kingdom $71.2B AUM 41.74% 1-Year Est. Return

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

Braidwell Stamford, Connecticut $2.7B AUM 88.53% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

VPC

Vestal Point Capital New York $4.28B AUM 239% 1-Year Est. Return

Prosight Management's TECX Position: Q2 2026 in Review

Prosight Management reduced its Tectonic Therapeutic (TECX) stake by 50% in Q2 2026, selling an estimated $1.18M and leaving 39,731 shares worth $1.37M. The position accounts for 0.24% of the portfolio, ranked #31.

Prosight Management first reported a position in TECX in Q1 2024 and has held it in 9 quarters since. The position peaked at $8.78M in Q2 2025. 123 funds tracked by Wall St. Rank hold TECX as of Q2 2026.

Prosight Management held 39,731 shares of Tectonic Therapeutic worth $1.37M as of Q2 2026.
Prosight Management sold 40,141 Tectonic Therapeutic shares in Q2 2026, an estimated $1.18M.
Tectonic Therapeutic made up 0.24% of Prosight Management's portfolio in Q2 2026, its #31 holding.
Prosight Management first reported a position in Tectonic Therapeutic in Q1 2024 and has held it in 9 quarters since.
Prosight Management's Tectonic Therapeutic position peaked at $8.78M in Q2 2025.
123 funds tracked by Wall St. Rank held Tectonic Therapeutic as of Q2 2026.

Based on Prosight Management's 13F filing for Q2 2026, filed 14 Aug 2026.