REPLIGEN CORP

Ticker: RGEN CUSIP: 759916109 Class: Common Stock

BlueCrest Capital Management Ltd's Holding History (CIK: 0001610880)

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

Q4 2018

Shares 5,483 Value ($000) $289 Avg Close $58.65 Range $48.26 - $70.50

Q3 2018

Shares 4,790 Value ($000) $266 Avg Close $51.54 Range $45.00 - $58.99

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2018	5,483	$289	$58.65	$48.26 - $70.50
Q3 2018	4,790	$266	$51.54	$45.00 - $58.99