TECTONIC THERAPEUTIC INC

Ticker: TECX CUSIP: 878972108 Class: Common Stock

BlackRock, Inc.'s Holding History (CIK: 0002012383)

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

Q4 2025

Shares 854,363 Value ($000) $17,822 Avg Close $18.58 Range $14.60 - $26.00

Q3 2025

Shares 827,853 Value ($000) $12,989 Avg Close $20.64 Range $14.39 - $27.33

Q2 2025

Shares 761,297 Value ($000) $15,127 Avg Close $20.27 Range $13.70 - $25.75

Q1 2025

Shares 205,528 Value ($000) $3,640 Avg Close $32.59 Range $15.30 - $61.07

Q4 2024

Shares 195,059 Value ($000) $9,006 Avg Close $42.29 Range $27.21 - $53.41

Q3 2024

Shares 123,032 Value ($000) $3,728 Avg Close $18.28 Range $15.08 - $31.66

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	854,363	$17,822	$18.58	$14.60 - $26.00
Q3 2025	827,853	$12,989	$20.64	$14.39 - $27.33
Q2 2025	761,297	$15,127	$20.27	$13.70 - $25.75
Q1 2025	205,528	$3,640	$32.59	$15.30 - $61.07
Q4 2024	195,059	$9,006	$42.29	$27.21 - $53.41
Q3 2024	123,032	$3,728	$18.28	$15.08 - $31.66