MAGNITE INC

Ticker: MGNI CUSIP: 55955D100 Class: Common Stock

AlphaQuest LLC's Holding History (CIK: 0001883897)

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

Q4 2025

Shares 19,153 Value ($000) $311 Avg Close $16.60 Range $13.07 - $22.14

Q3 2025

Shares 13,491 Value ($000) $294 Avg Close $23.61 Range $20.72 - $26.65

Q2 2025

Shares 12,447 Value ($000) $300 Avg Close $14.73 Range $8.22 - $24.46

Q1 2025

Shares 19,077 Value ($000) $218 Avg Close $15.94 Range $10.86 - $21.29

Q4 2024

Shares 10,004 Value ($000) $159 Avg Close $14.67 Range $11.34 - $18.38

Q3 2024

Shares 16,808 Value ($000) $233 Avg Close $13.63 Range $10.36 - $15.92

Q1 2024

Shares 1 Value ($000) $0 Avg Close $9.99 Range $8.40 - $12.40

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	19,153	$311	$16.60	$13.07 - $22.14
Q3 2025	13,491	$294	$23.61	$20.72 - $26.65
Q2 2025	12,447	$300	$14.73	$8.22 - $24.46
Q1 2025	19,077	$218	$15.94	$10.86 - $21.29
Q4 2024	10,004	$159	$14.67	$11.34 - $18.38
Q3 2024	16,808	$233	$13.63	$10.36 - $15.92
Q1 2024	1	$0	$9.99	$8.40 - $12.40