REPLIGEN CORP

Ticker: RGEN CUSIP: 759916109 Class: Common Stock

STEADFAST CAPITAL MANAGEMENT LP's Holding History (CIK: 0001214822)

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

Q4 2025

Shares 45,300 Value ($000) $7,423 Avg Close $156.63 Range $134.19 - $174.01

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	45,300	$7,423	$156.63	$134.19 - $174.01