MAGNITE INC

Ticker: MGNI CUSIP: 55955D100 Class: Common Stock

QUADRANT CAPITAL GROUP LLC's Holding History (CIK: 0001650717)

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

Q4 2025

Shares 33 Value ($000) $1 Avg Close $16.60 Range $13.07 - $22.14

Q1 2025

Shares 86 Value ($000) $1 Avg Close $15.94 Range $10.86 - $21.29

Q4 2024

Shares 121 Value ($000) $2 Avg Close $14.67 Range $11.34 - $18.38

Q1 2023

Shares 17 Value ($000) $0 Avg Close $10.65 Range $8.21 - $14.21

Q1 2022

Shares 26 Value ($000) $0 Avg Close $13.49 Range $10.36 - $18.22

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	33	$1	$16.60	$13.07 - $22.14
Q1 2025	86	$1	$15.94	$10.86 - $21.29
Q4 2024	121	$2	$14.67	$11.34 - $18.38
Q1 2023	17	$0	$10.65	$8.21 - $14.21
Q1 2022	26	$0	$13.49	$10.36 - $18.22