PROTHENA CORP PLC

Ticker: PRTA CUSIP: G72800108 Class: Common Stock

GEODE CAPITAL MANAGEMENT, LLC's Holding History (CIK: 0001214717)

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

Q4 2025

Shares 1,063,069 Value ($000) $10,154 Avg Close $10.18 Range $9.07 - $11.69

Q3 2025

Shares 1,019,483 Value ($000) $9,952 Avg Close $7.69 Range $5.96 - $9.85

Q2 2025

Shares 933,446 Value ($000) $5,667 Avg Close $7.50 Range $4.32 - $12.45

Q1 2025

Shares 1,014,792 Value ($000) $12,561 Avg Close $14.14 Range $11.78 - $16.66

Q4 2024

Shares 964,308 Value ($000) $13,359 Avg Close $15.77 Range $11.70 - $18.88

Q3 2024

Shares 963,479 Value ($000) $16,122 Avg Close $21.50 Range $15.52 - $25.42

Q2 2024

Shares 994,278 Value ($000) $20,526 Avg Close $21.64 Range $18.69 - $26.36

Q1 2024

Shares 924,580 Value ($000) $22,905 Avg Close $29.75 Range $24.25 - $41.55

Q4 2023

Shares 905,125 Value ($000) $32,896 Avg Close $38.49 Range $28.51 - $55.89

Q3 2023

Shares 859,060 Value ($000) $41,455 Avg Close $59.41 Range $45.22 - $73.14

Q2 2023

Shares 838,421 Value ($000) $57,247 Avg Close $64.50 Range $47.45 - $79.65

Q1 2023

Shares 779,824 Value ($000) $37,798 Avg Close $52.83 Range $45.06 - $60.82

Q4 2022

Shares 715,601 Value ($000) $43 Avg Close $58.56 Range $50.89 - $66.47

Q3 2022

Shares 635,724 Value ($000) $38,543 Avg Close $31.61 Range $25.02 - $64.00

Q2 2022

Shares 631,680 Value ($000) $17,150 Avg Close $29.25 Range $21.06 - $40.31

Q1 2022

Shares 651,975 Value ($000) $23,842 Avg Close $36.05 Range $29.53 - $49.77

Q4 2021

Shares 623,574 Value ($000) $30,804 Avg Close $55.45 Range $40.50 - $74.32

Q3 2021

Shares 620,173 Value ($000) $44,174 Avg Close $62.11 Range $45.09 - $79.75

Q2 2021

Shares 563,356 Value ($000) $28,962 Avg Close $31.20 Range $21.30 - $59.74

Q1 2021

Shares 491,581 Value ($000) $12,348 Avg Close $18.81 Range $10.72 - $28.66

Q4 2020

Shares 463,587 Value ($000) $5,567 Avg Close $11.83 Range $9.86 - $14.14

Q3 2020

Shares 468,738 Value ($000) $4,682 Avg Close $12.03 Range $9.67 - $13.78

Q2 2020

Shares 548,918 Value ($000) $5,741 Avg Close $11.11 Range $9.25 - $12.98

Q1 2020

Shares 590,126 Value ($000) $6,314 Avg Close $12.11 Range $7.10 - $16.05

Q4 2019

Shares 569,335 Value ($000) $9,012 Avg Close $10.72 Range $7.40 - $17.63

Q3 2019

Shares 531,568 Value ($000) $4,167 Avg Close $8.88 Range $6.71 - $10.70

Q2 2019

Shares 577,215 Value ($000) $6,101 Avg Close $10.27 Range $8.67 - $12.54

Q1 2019

Shares 545,923 Value ($000) $6,622 Avg Close $12.49 Range $9.97 - $14.77

Q4 2018

Shares 492,808 Value ($000) $5,075 Avg Close $11.89 Range $8.63 - $13.83

Q3 2018

Shares 442,854 Value ($000) $5,792 Avg Close $14.44 Range $12.23 - $15.91

Q2 2018

Shares 442,854 Value ($000) $6,456 Avg Close $19.75 Range $10.43 - $44.75

Q1 2018

Shares 353,327 Value ($000) $12,970 Avg Close $36.37 Range $27.19 - $46.14

Q4 2017

Shares 345,310 Value ($000) $12,945 Avg Close $50.91 Range $34.85 - $64.96

Q3 2017

Shares 351,613 Value ($000) $22,773 Avg Close $61.26 Range $52.91 - $70.00

Q2 2017

Shares 338,650 Value ($000) $18,327 Avg Close $53.29 Range $48.23 - $59.10

Q1 2017

Shares 319,139 Value ($000) $17,804 Avg Close $52.54 Range $45.13 - $63.14

Q4 2016

Shares 281,338 Value ($000) $13,839 Avg Close $55.18 Range $40.58 - $68.18

Q3 2016

Shares 266,239 Value ($000) $15,966 Avg Close $53.65 Range $35.04 - $64.50

Q2 2016

Shares 260,065 Value ($000) $9,091 Avg Close $43.55 Range $33.53 - $51.45

Q1 2016

Shares 251,692 Value ($000) $10,359 Avg Close $39.14 Range $28.20 - $67.32

Q4 2015

Shares 212,911 Value ($000) $14,501 Avg Close $60.32 Range $40.47 - $76.42

Q3 2015

Shares 205,060 Value ($000) $9,297 Avg Close $58.24 Range $42.20 - $70.52

Q2 2015

Shares 200,180 Value ($000) $10,543 Avg Close $39.47 Range $30.14 - $55.97

Q1 2015

Shares 164,913 Value ($000) $6,289 Avg Close $25.65 Range $18.76 - $45.00

Q4 2014

Shares 153,827 Value ($000) $3,193 Avg Close $20.87 Range $17.00 - $24.67

Q3 2014

Shares 169,137 Value ($000) $3,748 Avg Close $21.20 Range $16.71 - $24.31

Q2 2014

Shares 145,169 Value ($000) $3,272 Avg Close $25.01 Range $18.52 - $41.33

Q1 2014

Shares 122,444 Value ($000) $4,690 Avg Close $32.24 Range $24.42 - $49.24

Q4 2013

Shares 91,067 Value ($000) $2,415 Avg Close $25.08 Range $18.93 - $30.55

Q3 2013

Shares 59,333 Value ($000) $1,200 Avg Close $17.69 Range $12.14 - $22.48

Q2 2013

Shares 11,495 Value ($000) $148 Avg Close $9.30 Range $6.49 - $14.00

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	1,063,069	$10,154	$10.18	$9.07 - $11.69
Q3 2025	1,019,483	$9,952	$7.69	$5.96 - $9.85
Q2 2025	933,446	$5,667	$7.50	$4.32 - $12.45
Q1 2025	1,014,792	$12,561	$14.14	$11.78 - $16.66
Q4 2024	964,308	$13,359	$15.77	$11.70 - $18.88
Q3 2024	963,479	$16,122	$21.50	$15.52 - $25.42
Q2 2024	994,278	$20,526	$21.64	$18.69 - $26.36
Q1 2024	924,580	$22,905	$29.75	$24.25 - $41.55
Q4 2023	905,125	$32,896	$38.49	$28.51 - $55.89
Q3 2023	859,060	$41,455	$59.41	$45.22 - $73.14
Q2 2023	838,421	$57,247	$64.50	$47.45 - $79.65
Q1 2023	779,824	$37,798	$52.83	$45.06 - $60.82
Q4 2022	715,601	$43	$58.56	$50.89 - $66.47
Q3 2022	635,724	$38,543	$31.61	$25.02 - $64.00
Q2 2022	631,680	$17,150	$29.25	$21.06 - $40.31
Q1 2022	651,975	$23,842	$36.05	$29.53 - $49.77
Q4 2021	623,574	$30,804	$55.45	$40.50 - $74.32
Q3 2021	620,173	$44,174	$62.11	$45.09 - $79.75
Q2 2021	563,356	$28,962	$31.20	$21.30 - $59.74
Q1 2021	491,581	$12,348	$18.81	$10.72 - $28.66
Q4 2020	463,587	$5,567	$11.83	$9.86 - $14.14
Q3 2020	468,738	$4,682	$12.03	$9.67 - $13.78
Q2 2020	548,918	$5,741	$11.11	$9.25 - $12.98
Q1 2020	590,126	$6,314	$12.11	$7.10 - $16.05
Q4 2019	569,335	$9,012	$10.72	$7.40 - $17.63
Q3 2019	531,568	$4,167	$8.88	$6.71 - $10.70
Q2 2019	577,215	$6,101	$10.27	$8.67 - $12.54
Q1 2019	545,923	$6,622	$12.49	$9.97 - $14.77
Q4 2018	492,808	$5,075	$11.89	$8.63 - $13.83
Q3 2018	442,854	$5,792	$14.44	$12.23 - $15.91
Q2 2018	442,854	$6,456	$19.75	$10.43 - $44.75
Q1 2018	353,327	$12,970	$36.37	$27.19 - $46.14
Q4 2017	345,310	$12,945	$50.91	$34.85 - $64.96
Q3 2017	351,613	$22,773	$61.26	$52.91 - $70.00
Q2 2017	338,650	$18,327	$53.29	$48.23 - $59.10
Q1 2017	319,139	$17,804	$52.54	$45.13 - $63.14
Q4 2016	281,338	$13,839	$55.18	$40.58 - $68.18
Q3 2016	266,239	$15,966	$53.65	$35.04 - $64.50
Q2 2016	260,065	$9,091	$43.55	$33.53 - $51.45
Q1 2016	251,692	$10,359	$39.14	$28.20 - $67.32
Q4 2015	212,911	$14,501	$60.32	$40.47 - $76.42
Q3 2015	205,060	$9,297	$58.24	$42.20 - $70.52
Q2 2015	200,180	$10,543	$39.47	$30.14 - $55.97
Q1 2015	164,913	$6,289	$25.65	$18.76 - $45.00
Q4 2014	153,827	$3,193	$20.87	$17.00 - $24.67
Q3 2014	169,137	$3,748	$21.20	$16.71 - $24.31
Q2 2014	145,169	$3,272	$25.01	$18.52 - $41.33
Q1 2014	122,444	$4,690	$32.24	$24.42 - $49.24
Q4 2013	91,067	$2,415	$25.08	$18.93 - $30.55
Q3 2013	59,333	$1,200	$17.69	$12.14 - $22.48
Q2 2013	11,495	$148	$9.30	$6.49 - $14.00