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 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	1.43%	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	–	54
2024 Q3	$4.17M	Buy	137,614 +70,153	+104%	+$1.28M	1.06%	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

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

TCG Crossover Management Palo Alto, California $3.5B AUM 1,165.83% 1-Year Est. Return

Aberdeen Group Edinburgh, United Kingdom $61.9B AUM 29.81% 1-Year Est. Return

BlackRock New York $5.7T AUM 30.48% 1-Year Est. Return

Braidwell Stamford, Connecticut $3B AUM 46.72% 1-Year Est. Return

First Light Asset Management Edina, Minnesota $1.12B AUM 114.45% 1-Year Est. Return

Baker Bros. Advisors New York $17.4B AUM 131.5% 1-Year Est. Return

5AM Venture Management San Francisco, California $360M AUM 345.76% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

Vestal Point Capital New York $3.58B AUM 189.12% 1-Year Est. Return