INNOSPEC INC

Ticker: IOSP CUSIP: 45768S105 Class: Common Stock

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

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

Q4 2025
Shares 9,228 Value ($000) $706 Avg Close $75.03 Range $70.10 - $79.81
Q2 2024
Shares 39,992 Value ($000) $4,943 Avg Close $121.30 Range $115.10 - $129.23
Q3 2020
Shares 13,260 Value ($000) $840 Avg Close $68.67 Range $56.85 - $78.17
Q2 2020
Shares 92,313 Value ($000) $7,131 Avg Close $67.35 Range $57.02 - $79.77
Q1 2020
Shares 64,829 Value ($000) $4,505 Avg Close $83.79 Range $52.02 - $98.93
Q3 2019
Shares 5,275 Value ($000) $470 Avg Close $81.78 Range $74.31 - $88.66
Q2 2016
Shares 14,706 Value ($000) $676 Avg Close $41.52 Range $37.19 - $44.47
Q1 2016
Shares 14,275 Value ($000) $619 Avg Close $40.40 Range $36.39 - $46.84
Q3 2015
Shares 9,534 Value ($000) $443 Avg Close $39.87 Range $35.73 - $44.30