KLAVIYO INC

Ticker: KVYO CUSIP: 49845K101 Class: Common Stock

EVENTIDE ASSET MANAGEMENT, LLC's Holding History (CIK: 0001442891)

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

Q4 2025

Shares 15,555 Value ($000) $506 Avg Close $28.01 Range $23.44 - $33.35

Q3 2025

Shares 15,561 Value ($000) $445 Avg Close $32.29 Range $27.66 - $36.76

Q2 2025

Shares 18,019 Value ($000) $605 Avg Close $31.68 Range $23.77 - $37.79

Q4 2024

Shares 15,792 Value ($000) $651 Avg Close $38.18 Range $32.02 - $44.77

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	15,555	$506	$28.01	$23.44 - $33.35
Q3 2025	15,561	$445	$32.29	$27.66 - $36.76
Q2 2025	18,019	$605	$31.68	$23.77 - $37.79
Q4 2024	15,792	$651	$38.18	$32.02 - $44.77