OrbiMed’s Tectonic Therapeutic TECX Stock Holding History

OrbiMed’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	$7M	Sell	226,600 -348,000	-61%	-$8.56M	0.14%	86
2025 Q4	$12M	Buy	+574,600	New	+$10.7M	0.24%	77
2021 Q1	–	Sell	-66,143	Closed	-$11.1M	–	182
2020 Q4	$11.1M	Hold	66,143	–	–	0.1%	120
2020 Q3	$10.3M	Hold	66,143	–	–	0.13%	111
2020 Q2	$13.8M	Buy	66,143 +10,878	+20%	+$2.24M	0.2%	89
2020 Q1	$10.3M	Buy	55,265 +2,373	+4%	+$559K	0.17%	86
2019 Q4	$12.8M	Buy	52,892 +5,334	+11%	+$1.03M	0.18%	74
2019 Q3	$8.06M	Buy	47,558 +38,725	+438%	+$8.77M	0.15%	83
2019 Q2	$1.72M	Sell	8,833 -7,716	-47%	-$1.66M	0.03%	123
2019 Q1	$4.38M	Sell	16,549 -4,276	-21%	-$782K	0.07%	111
2018 Q4	$4.16M	Sell	20,825 -8	-0%	-$2.44K	0.08%	106
2018 Q3	$13M	Hold	20,833	–	–	0.16%	103
2018 Q2	$7.14M	Buy	+20,833	New	+$7.52M	0.09%	121

Other funds holding TECX

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

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

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

OrbiMed's TECX Position: Q1 2026 in Review

OrbiMed reduced its Tectonic Therapeutic (TECX) stake by 61% in Q1 2026, selling an estimated $8.56M and leaving 226,600 shares worth $7M. The position accounts for 0.14% of the portfolio, ranked #86.

OrbiMed first reported a position in TECX in Q2 2018 and has held it in 13 quarters since. The position peaked at $13.8M in Q2 2020. 111 funds tracked by Wall St. Rank hold TECX as of Q1 2026.

OrbiMed held 226,600 shares of Tectonic Therapeutic worth $7M as of Q1 2026.
OrbiMed sold 348,000 Tectonic Therapeutic shares in Q1 2026, an estimated $8.56M.
Tectonic Therapeutic made up 0.14% of OrbiMed's portfolio in Q1 2026, its #86 holding.
OrbiMed first reported a position in Tectonic Therapeutic in Q2 2018 and has held it in 13 quarters since.
OrbiMed's Tectonic Therapeutic position peaked at $13.8M in Q2 2020.
111 funds tracked by Wall St. Rank held Tectonic Therapeutic as of Q1 2026.

Based on OrbiMed's 13F filing for Q1 2026, filed 15 May 2026.