LANTHEUS HLDGS INC

Ticker: LNTH CUSIP: 516544103 Class: Common Stock

BROWN BROTHERS HARRIMAN & CO's Holding History (CIK: 0000014661)

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

Q4 2025

Shares 64 Value ($000) $4 Avg Close $58.19 Range $49.67 - $68.83

Q3 2025

Shares 302 Value ($000) $15 Avg Close $62.49 Range $47.25 - $85.31

Q3 2024

Shares 42 Value ($000) $5 Avg Close $103.88 Range $76.10 - $126.89

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	64	$4	$58.19	$49.67 - $68.83
Q3 2025	302	$15	$62.49	$47.25 - $85.31
Q3 2024	42	$5	$103.88	$76.10 - $126.89