HYDROFARM HLDGS GROUP INC

CUSIP: 44888K209 Class: Common Stock

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

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

Q4 2022
Shares 186,382 Value ($000) $289 Avg Close — Range —
Q4 2021
Shares 79,133 Value ($000) $2,239 Avg Close — Range —
Q1 2021
Shares 9,275 Value ($000) $560 Avg Close — Range —