PROTHENA CORP PLC

Ticker: PRTA CUSIP: G72800108 Class: Common Stock

INTECH INVESTMENT MANAGEMENT LLC's Holding History (CIK: 0001086318)

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

Q4 2025

Shares 20,601 Value ($000) $197 Avg Close $10.18 Range $9.07 - $11.69

Q3 2025

Shares 19,388 Value ($000) $189 Avg Close $7.69 Range $5.96 - $9.85

Q2 2025

Shares 18,374 Value ($000) $112 Avg Close $7.50 Range $4.32 - $12.45

Q1 2025

Shares 33,375 Value ($000) $413 Avg Close $14.14 Range $11.78 - $16.66

Q4 2024

Shares 22,383 Value ($000) $310 Avg Close $15.77 Range $11.70 - $18.88

Q3 2024

Shares 12,555 Value ($000) $210 Avg Close $21.50 Range $15.52 - $25.42

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	20,601	$197	$10.18	$9.07 - $11.69
Q3 2025	19,388	$189	$7.69	$5.96 - $9.85
Q2 2025	18,374	$112	$7.50	$4.32 - $12.45
Q1 2025	33,375	$413	$14.14	$11.78 - $16.66
Q4 2024	22,383	$310	$15.77	$11.70 - $18.88
Q3 2024	12,555	$210	$21.50	$15.52 - $25.42