PROTHENA CORP PLC

Ticker: PRTA CUSIP: G72800108 Class: Common Stock

DRIEHAUS CAPITAL MANAGEMENT LLC's Holding History (CIK: 0000938206)

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

Q4 2019

Shares 25,000 Value ($000) $396 Avg Close $10.72 Range $7.40 - $17.63

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2019	25,000	$396	$10.72	$7.40 - $17.63