PROTHENA CORP PLC

Ticker: PRTA CUSIP: G72800108 Class: Common Stock

SECTORAL ASSET MANAGEMENT INC's Holding History (CIK: 0001274413)

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

Q4 2023
Shares 46,777 Value ($000) $1,700 Avg Close $38.49 Range $28.51 - $55.89
Q3 2023
Shares 172,407 Value ($000) $8,319 Avg Close $59.41 Range $45.22 - $73.14
Q2 2023
Shares 151,848 Value ($000) $10,368 Avg Close $64.50 Range $47.45 - $79.65
Q1 2023
Shares 122,750 Value ($000) $5,950 Avg Close $52.83 Range $45.06 - $60.82
Q4 2022
Shares 115,200 Value ($000) $6,941 Avg Close $58.56 Range $50.89 - $66.47
Q4 2017
Shares 184,063 Value ($000) $6,901 Avg Close $50.91 Range $34.85 - $64.96
Q3 2017
Shares 195,909 Value ($000) $12,689 Avg Close $61.26 Range $52.91 - $70.00
Q2 2017
Shares 151,046 Value ($000) $8,175 Avg Close $53.29 Range $48.23 - $59.10
Q1 2017
Shares 141,046 Value ($000) $7,869 Avg Close $52.54 Range $45.13 - $63.14
Q4 2016
Shares 123,646 Value ($000) $6,082 Avg Close $55.18 Range $40.58 - $68.18
Q3 2016
Shares 123,946 Value ($000) $7,433 Avg Close $53.65 Range $35.04 - $64.50
Q2 2016
Shares 174,746 Value ($000) $6,109 Avg Close $43.55 Range $33.53 - $51.45
Q1 2016
Shares 398,100 Value ($000) $16,386 Avg Close $39.14 Range $28.20 - $67.32