TECTONIC THERAPEUTIC INC

Ticker: TECX CUSIP: 878972108 Class: Common Stock

Virtus Investment Advisers, LLC's Holding History (CIK: 0000019481)

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

Q4 2025

Shares 13,462 Value ($000) $281 Avg Close $18.58 Range $14.60 - $26.00

Q3 2025

Shares 5,071 Value ($000) $80 Avg Close $20.64 Range $14.39 - $27.33

Q2 2025

Shares 4,190 Value ($000) $83 Avg Close $20.27 Range $13.70 - $25.75

Q1 2025

Shares 3,541 Value ($000) $63 Avg Close $32.59 Range $15.30 - $61.07

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	13,462	$281	$18.58	$14.60 - $26.00
Q3 2025	5,071	$80	$20.64	$14.39 - $27.33
Q2 2025	4,190	$83	$20.27	$13.70 - $25.75
Q1 2025	3,541	$63	$32.59	$15.30 - $61.07