AMPLITUDE INC

Ticker: AMPL CUSIP: 03213A104 Class: Common Stock

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

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

Q4 2025
Shares 255,399 Value ($000) $2,958 Avg Close $10.52 Range $9.31 - $12.05
Q2 2025
Shares 725,746 Value ($000) $8,999 Avg Close $10.82 Range $7.55 - $13.34
Q1 2025
Shares 462,971 Value ($000) $4,718 Avg Close $11.81 Range $10.05 - $14.88
Q4 2024
Shares 207,143 Value ($000) $2,185 Avg Close $10.01 Range $8.36 - $12.12
Q1 2024
Shares 44,762 Value ($000) $487 Avg Close $12.27 Range $9.06 - $14.42
Q4 2022
Shares 262,030 Value ($000) $3,165 Avg Close $14.16 Range $10.51 - $17.73
Q3 2022
Shares 523,069 Value ($000) $8,090 Avg Close $16.03 Range $13.75 - $19.24
Q2 2022
Shares 989,142 Value ($000) $14,134 Avg Close $17.54 Range $13.42 - $21.50