TECTONIC THERAPEUTIC INC

Ticker: TECX CUSIP: 878972108 Class: Common Stock

JANE STREET GROUP, LLC's Holding History (CIK: 0001595888)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 19,321 Value ($000) $403 Avg Close $18.58 Range $14.60 - $26.00

Q3 2025

Shares 28,720 Value ($000) $451 Avg Close $20.64 Range $14.39 - $27.33

Q1 2025

Shares 47,145 Value ($000) $835 Avg Close $32.59 Range $15.30 - $61.07

Q4 2024

Shares 29,702 Value ($000) $1,371 Avg Close $42.29 Range $27.21 - $53.41

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	19,321	$403	$18.58	$14.60 - $26.00
Q3 2025	28,720	$451	$20.64	$14.39 - $27.33
Q1 2025	47,145	$835	$32.59	$15.30 - $61.07
Q4 2024	29,702	$1,371	$42.29	$27.21 - $53.41