Simplex Trading’s Tectonic Therapeutic TECX Stock Holding History

Simplex Trading’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	$15.1K	Sell	439 -912	-68%	-$26.8K	﹤0.01%	7356
2026 Q1	$41.8K	Sell	1,351 -7,791	-85%	-$192K	﹤0.01%	6065
2025 Q4	$191K	Buy	9,142 +8,374	+1,090%	+$156K	﹤0.01%	4282
2025 Q3	$12K	Buy	+768	New	+$15.8K	﹤0.01%	7787
2023 Q2	–	Sell	-60	Closed	-$678	–	10131
2023 Q1	$0	Buy	+60	New	+$835	﹤0.01%	10323
2022 Q3	–	Sell	-21	Closed	–	–	11059
2022 Q2	$0	Sell	21 -158	-88%	-$1.86K	﹤0.01%	11310
2022 Q1	$2K	Buy	+179	New	+$3.7K	﹤0.01%	9967
2021 Q2	–	Sell	-476	Closed	-$56.4K	–	10831
2021 Q1	$72K	Buy	476 +425	+833%	+$69.1K	﹤0.01%	6180
2020 Q4	$8K	Buy	51 +6	+13%	+$1.07K	﹤0.01%	7550
2020 Q3	$7K	Buy	+45	New	+$9.07K	﹤0.01%	6982

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

Simplex Trading's TECX Position: Q2 2026 in Review

Simplex Trading reduced its Tectonic Therapeutic (TECX) stake by 68% in Q2 2026, selling an estimated $26.8K and leaving 439 shares worth $15.1K. The position accounts for ﹤0.01% of the portfolio, ranked #7356.

Simplex Trading first reported a position in TECX in Q3 2020 and has held it in 10 quarters since. The position peaked at $191K in Q4 2025. 122 funds tracked by Wall St. Rank hold TECX as of Q2 2026.

Simplex Trading held 439 shares of Tectonic Therapeutic worth $15.1K as of Q2 2026.
Simplex Trading sold 912 Tectonic Therapeutic shares in Q2 2026, an estimated $26.8K.
Tectonic Therapeutic made up ﹤0.01% of Simplex Trading's portfolio in Q2 2026, its #7356 holding.
Simplex Trading first reported a position in Tectonic Therapeutic in Q3 2020 and has held it in 10 quarters since.
Simplex Trading's Tectonic Therapeutic position peaked at $191K in Q4 2025.
122 funds tracked by Wall St. Rank held Tectonic Therapeutic as of Q2 2026.

Based on Simplex Trading's 13F filing for Q2 2026, filed 12 Aug 2026.