HORIZON ACQUISITION CORPORAT

CUSIP: G46044122 Class: UNIT 10/19/2027

Magnetar Financial LLC's Holding History (CIK: 0001352851)

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

Q1 2021
Shares 624,156 Value ($000) $6,835 Avg Close — Range —
Q4 2020
Shares 769,800 Value ($000) $8,268 Avg Close — Range —