MAGNITE INC

Ticker: MGNI CUSIP: 55955D100 Class: Common Stock

CenterBook Partners LP's Holding History (CIK: 0001872738)

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

Q4 2025

Shares 172,546 Value ($000) $2,800 Avg Close $16.60 Range $13.07 - $22.14

Q3 2025

Shares 72,786 Value ($000) $1,585 Avg Close $23.61 Range $20.72 - $26.65

Q2 2025

Shares 92,266 Value ($000) $2,225 Avg Close $14.73 Range $8.22 - $24.46

Q1 2025

Shares 317,004 Value ($000) $3,617 Avg Close $15.94 Range $10.86 - $21.29

Q4 2024

Shares 625,765 Value ($000) $9,962 Avg Close $14.67 Range $11.34 - $18.38

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	172,546	$2,800	$16.60	$13.07 - $22.14
Q3 2025	72,786	$1,585	$23.61	$20.72 - $26.65
Q2 2025	92,266	$2,225	$14.73	$8.22 - $24.46
Q1 2025	317,004	$3,617	$15.94	$10.86 - $21.29
Q4 2024	625,765	$9,962	$14.67	$11.34 - $18.38