LANTHEUS HLDGS INC

Ticker: LNTH CUSIP: 516544103 Class: Common Stock

Atika Capital Management LLC's Holding History (CIK: 0001599731)

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

Q1 2025

Shares 45,100 Value ($000) $4,402 Avg Close $93.52 Range $77.73 - $111.29

Q4 2024

Shares 57,100 Value ($000) $5,108 Avg Close $97.41 Range $75.00 - $118.21

Q3 2024

Shares 73,000 Value ($000) $8,012 Avg Close $103.88 Range $76.10 - $126.89

Q3 2023

Shares 178,000 Value ($000) $12,367 Avg Close $73.14 Range $59.85 - $91.81

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2025	45,100	$4,402	$93.52	$77.73 - $111.29
Q4 2024	57,100	$5,108	$97.41	$75.00 - $118.21
Q3 2024	73,000	$8,012	$103.88	$76.10 - $126.89
Q3 2023	178,000	$12,367	$73.14	$59.85 - $91.81