TECTONIC THERAPEUTIC INC

Ticker: TECX CUSIP: 878972108 Class: Common Stock

Russell Investments Group, Ltd.'s Holding History (CIK: 0001692234)

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

Q4 2025

Shares 929 Value ($000) $19 Avg Close $18.58 Range $14.60 - $26.00

Q3 2025

Shares 910 Value ($000) $14 Avg Close $20.64 Range $14.39 - $27.33

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	929	$19	$18.58	$14.60 - $26.00
Q3 2025	910	$14	$20.64	$14.39 - $27.33