GEOSPACE TECHNOLOGIES CORP

Ticker: GEOS CUSIP: 37364X109 Class: Common Stock

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

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

Q4 2025
Shares 11,785 Value ($000) $199 Avg Close $20.08 Range $10.78 - $29.89
Q3 2024
Shares 44,415 Value ($000) $459 Avg Close $9.56 Range $8.09 - $10.81
Q2 2024
Shares 92,267 Value ($000) $829 Avg Close $11.24 Range $8.49 - $14.83
Q1 2024
Shares 94,667 Value ($000) $1,249 Avg Close $13.43 Range $11.40 - $17.09
Q4 2023
Shares 64,256 Value ($000) $833 Avg Close $12.23 Range $10.35 - $13.74
Q3 2023
Shares 51,167 Value ($000) $663 Avg Close $9.44 Range $7.22 - $14.59
Q2 2022
Shares 41,900 Value ($000) $199 Avg Close $5.71 Range $4.64 - $6.94
Q4 2019
Shares 30,469 Value ($000) $511 Avg Close $15.19 Range $13.18 - $17.66