PROTHENA CORP PLC

Ticker: PRTA CUSIP: G72800108 Class: Common Stock

SEI INVESTMENTS CO's Holding History (CIK: 0000350894)

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

Q3 2023

Shares 4,717 Value ($000) $228 Avg Close $59.41 Range $45.22 - $73.14

Q2 2023

Shares 7,102 Value ($000) $485 Avg Close $64.50 Range $47.45 - $79.65

Q1 2023

Shares 6,011 Value ($000) $291 Avg Close $52.83 Range $45.06 - $60.82

Q4 2017

Shares 5,030 Value ($000) $189 Avg Close $50.91 Range $34.85 - $64.96

Q3 2017

Shares 3,260 Value ($000) $211 Avg Close $61.26 Range $52.91 - $70.00

Q2 2017

Shares 3,260 Value ($000) $176 Avg Close $53.29 Range $48.23 - $59.10

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2023	4,717	$228	$59.41	$45.22 - $73.14
Q2 2023	7,102	$485	$64.50	$47.45 - $79.65
Q1 2023	6,011	$291	$52.83	$45.06 - $60.82
Q4 2017	5,030	$189	$50.91	$34.85 - $64.96
Q3 2017	3,260	$211	$61.26	$52.91 - $70.00
Q2 2017	3,260	$176	$53.29	$48.23 - $59.10