HEIDRICK & STRUGGLES INTL IN

CUSIP: 422819102 Class: Common Stock

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

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

Q3 2022
Shares 84,346 Value ($000) $2,192 Avg Close — Range —
Q1 2022
Shares 14,984 Value ($000) $594 Avg Close — Range —
Q2 2020
Shares 12,498 Value ($000) $270 Avg Close — Range —
Q4 2019
Shares 36,812 Value ($000) $1,196 Avg Close — Range —
Q3 2019
Shares 161,017 Value ($000) $4,395 Avg Close — Range —
Q2 2019
Shares 192,970 Value ($000) $5,783 Avg Close — Range —
Q1 2019
Shares 277,371 Value ($000) $10,632 Avg Close — Range —
Q4 2018
Shares 200,425 Value ($000) $6,251 Avg Close — Range —