Question 1

How many shares of MGNI does HighTower Advisors, LLC own?

Accepted Answer

HighTower Advisors, LLC previously held 0 shares of MGNI (MAGNITE INC) before exiting the position in 2025-Q4.

Question 2

What is HighTower Advisors, LLC's MGNI position worth?

Accepted Answer

HighTower Advisors, LLC's MGNI position was last reported at $0 in 2025-Q4 before the exit.

Question 3

Is HighTower Advisors, LLC buying or selling MGNI?

Accepted Answer

In 2025-Q4, HighTower Advisors, LLC exited their MGNI position entirely (-100.0% change in shares).

Question 4

When did HighTower Advisors, LLC first buy MGNI?

Accepted Answer

Based on available 13F filings, HighTower Advisors, LLC first reported a position in MGNI in 2024-Q3. They have held the position across 22 quarters.

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2025-Q4 Latest	Exited	0	-100.0%	$0	0.0%	$16.46	0
2025-Q3	Increased	14,780	+6.9%	$321,908	0.0%	$22.28	25
2025-Q2	Decreased	13,827	-67.3%	$333,507	0.0%	$21.10	0
2025-Q1	Increased	42,271	+105.7%	$482,312	0.0%	$11.60	39
2024-Q4	Increased	20,551	+18.6%	$327,172	0.0%	$16.41	28
2024-Q3	Decreased	17,322	-80.3%	$240,000	0.0%	$13.72	0