MAGNITE INC

Ticker: MGNI CUSIP: 55955D100 Class: Common Stock

SBI Securities Co., Ltd.'s Holding History (CIK: 0001851815)

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

Q4 2025

Shares 845 Value ($000) $14 Avg Close $16.60 Range $13.07 - $22.14

Q3 2025

Shares 828 Value ($000) $18 Avg Close $23.61 Range $20.72 - $26.65

Q2 2025

Shares 1,395 Value ($000) $34 Avg Close $14.73 Range $8.22 - $24.46

Q1 2025

Shares 1,404 Value ($000) $16 Avg Close $15.94 Range $10.86 - $21.29

Q4 2024

Shares 1,545 Value ($000) $25 Avg Close $14.67 Range $11.34 - $18.38

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	845	$14	$16.60	$13.07 - $22.14
Q3 2025	828	$18	$23.61	$20.72 - $26.65
Q2 2025	1,395	$34	$14.73	$8.22 - $24.46
Q1 2025	1,404	$16	$15.94	$10.86 - $21.29
Q4 2024	1,545	$25	$14.67	$11.34 - $18.38