KLAVIYO INC

Ticker: KVYO CUSIP: 49845K101 Class: Common Stock

MARSHALL WACE, LLP's Holding History (CIK: 0001318757)

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

Q4 2025
Shares 90,560 Value ($000) $2,940 Avg Close $28.01 Range $23.44 - $33.35
Q3 2025
Shares 515,418 Value ($000) $14,272 Avg Close $32.29 Range $27.66 - $36.76
Q2 2025
Shares 679,675 Value ($000) $22,823 Avg Close $31.68 Range $23.77 - $37.79
Q1 2025
Shares 375,144 Value ($000) $11,352 Avg Close $40.34 Range $29.15 - $49.55
Q4 2024
Shares 393,991 Value ($000) $16,248 Avg Close $38.18 Range $32.02 - $44.77
Q3 2024
Shares 446,848 Value ($000) $15,809 Avg Close $28.98 Range $22.12 - $36.47
Q2 2024
Shares 553,593 Value ($000) $13,779 Avg Close $23.40 Range $21.26 - $25.78
Q1 2024
Shares 344,049 Value ($000) $8,766 Avg Close $26.71 Range $22.82 - $32.40
Q4 2023
Shares 188,469 Value ($000) $5,236 Avg Close $29.60 Range $24.35 - $35.66
Q3 2023
Shares 71,013 Value ($000) $2,450 Avg Close $34.31 Range $30.26 - $39.47