Question 1

Does Westwood Holdings Group own LANTHEUS HLDGS stock?

Accepted Answer

No. Westwood Holdings Group exited its LANTHEUS HLDGS position in Q1 2026. Its Q4 2025 13F listed 1,000,000 shares worth $1M.

Question 2

How many shares of LANTHEUS HLDGS does Westwood Holdings Group own?

Accepted Answer

None since Q1 2026, when Westwood Holdings Group exited the position. Its Q4 2025 13F listed 1,000,000 shares worth $1M.

Question 3

What is Westwood Holdings Group's LANTHEUS HLDGS position worth?

Accepted Answer

Westwood Holdings Group's LANTHEUS HLDGS position was worth $1M in its Q4 2025 13F, before the exit in Q1 2026.

Question 4

Is Westwood Holdings Group buying or selling LANTHEUS HLDGS?

Accepted Answer

In Q1 2026, Westwood Holdings Group exited its entire LANTHEUS HLDGS position.

Question 5

When did Westwood Holdings Group first buy LANTHEUS HLDGS?

Accepted Answer

Westwood Holdings Group already held LANTHEUS HLDGS in its Q4 2023 13F, the earliest on record, and listed it in 9 quarterly 13F filings.

Quarter	Action	Shares	Change	Value	Weight	Price
2026-Q1 Latest	Exited	0	-100.0%	$0	0.0%	—
2025-Q4	Unchanged	1M	0.0%	$1M	0.0%	—
2025-Q3	Decreased	1M	-60.0%	$1.1M	0.0%	—
2025-Q2	Unchanged	2.5M	0.0%	$2.5M	0.0%	—
2025-Q1	Unchanged	2.5M	0.0%	$3.5M	0.0%	—
2024-Q4	Unchanged	2.5M	0.0%	$3.3M	0.0%	—
2024-Q3	Unchanged	2.5M	0.0%	$388M	1.6%	—

LALANTHEUS HLDGS INC