TECTONIC THERAPEUTIC INC

Ticker: TECX CUSIP: 878972108 Class: Common Stock

D. E. Shaw & Co., Inc.'s Holding History (CIK: 0001009207)

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

Q4 2025

Shares 120,250 Value ($000) $2,508 Avg Close $18.58 Range $14.60 - $26.00

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	120,250	$2,508	$18.58	$14.60 - $26.00