Home › Companies › PROTHENA CORPORATION PLC › 2024-2025

PROTHENA CORPORATION PLC 2024-2025 Proxy Voting Records

Compiled from SEC Form N-PX filings and PROTHENA CORPORATION PLC’s Form 8-K, filed May 16, 2025 (Item 5.07 on EDGAR). Page generated October 18, 2026.

  • 6Ballot items
  • 234Asset managers
  • 1,476Fund votes
  • May 13, 2025Meeting date

Results at a glance

Meeting of May 13, 2025: 6 items on PROTHENA CORPORATION PLC’s Form 8-K, filed May 16, 2025: 3 elected · 3 approved.

Material dissent

Material dissent: a director nominee under 80% of the votes cast, say-on-pay under 70%, any other item the board put forward under 80%, or a shareholder proposal with more than 50%, on the company’s own Form 8-K tally. How this is decided

Proxy season: 2023-2024 2024-2025 2025-2026

Explore PROTHENA CORPORATION PLC in the interactive database Compare manager voting policies

Official 2024-2025 meeting results reported by PROTHENA CORPORATION PLC

These tallies are PROTHENA CORPORATION PLC’s own, as disclosed to the U.S. Securities and Exchange Commission on Form 8-K, filed May 16, 2025 (Item 5.07, “Submission of Matters to a Vote of Security Holders”). They cover every share voted at the meeting, not just the funds that file Form N-PX.

PROTHENA CORPORATION PLC — official shareholder meeting results, meeting held May 13, 2025
Ballot itemForAgainst AbstainWithheldBroker non-votesSupport (of votes cast)Reported outcomeVoting standard
Elect Director: Paula K. Cobb 46,937,071169,32312,180 --3,206,201 99.6%Elected—
Elect Director: Lars G. Ekman 46,550,069556,60711,898 --3,206,201 99%Elected—
Elect Director: Gene G. Kinney 37,417,8459,688,92811,801 --3,206,201 79%Elected—
2. Ratification of Appointment of the Company's Independent Registered Public Accounting Firm for 2025 and Authorization of the Board of Directors to Approve the Remuneration of that Auditor 50,252,34358,05114,381 ---- 99.8%Approved—
3. Approval of Compensation of the Company's Named Executive Officers 34,696,55711,221,0191,200,998 --3,206,201 76%Approved—
4. Approval of an Amendment to the Company's 2018 Long Term Incentive Plan 31,061,45814,862,5201,194,596 --3,206,201 68%Approved—

Source: PROTHENA CORPORATION PLC, Form 8-K, filed with the SEC on May 16, 2025 — read the filing on EDGAR.

How asset managers voted at the PROTHENA CORPORATION PLC 2024-2025 meeting

Each item below shows how the 234 asset managers that disclosed a PROTHENA CORPORATION PLC vote in their SEC Form N-PX filings actually voted. Share totals are the shares those managers' funds voted, summed across every fund they report.

1. Elect Director: Gene G. Kinney

Official resultDIRECTOR ELECTIONSReported outcome: Elected

Combines 3 wordings of this item as funds reported it.

79% Majority: yes · of votes cast

FOR 79%AGAINST
FOR: 37,417,845AGAINST: 9,688,928
Details: description as filed, official tally, votes by 55 asset managers

Description as filed by funds: To elect, by separate resolution, three directors to hold office until no later than the Annual General Meeting of the Company's Shareholders in 2028, unless they resign, are removed from office, or are otherwise disqualified from serving as directors of the Company: Gene G. Kinney

PROTHENA CORPORATION PLC’s own tally for this item (“Elect Director: Gene G. Kinney”): 37,417,845 for, 9,688,928 against, per its Form 8-K filed May 16, 2025 (Item 5.07). FOR was more than half of the votes cast. Whether the item passed is for the filing to say; its statement has not been read for this item.

Reported outcome: Elected, in the filing’s own words: “The shareholders re-elected the following individuals to the Company's Board of Directors to hold office until no later than the annual general meeting of shareholders in 2028.”
Support: 79% of votes cast — FOR ÷ (FOR + AGAINST); abstentions and broker non-votes are excluded.

The 55 asset managers below reported 16,148,825 for, 5,068 against, 8,334 abstained.

FOR
FOR: 16,148,825AGAINST: 5,068ABSTAIN: 8,334
Largest asset managers voting on “To elect, by separate resolution, three directors to hold office until no later than the Annual General Meetin” at PROTHENA CORPORATION PLC, 2024-2025
Asset managerForAgainst AbstainWithheldVote
Vanguard5,415,1570 00For
Fidelity5,279,9830 00For
T. Rowe Price2,769,8450 00For
Federated Hermes533,2150 00For
Charles Schwab324,7990 00For
State Street317,4910 00For
Dimensional251,1980 00For
JPMorgan199,8740 00For
Equitable120,0840 00For
Brighthouse108,4930 8,3340Mixed
TIAA107,9540 00For
BlackRock98,0630 00For
John Hancock64,2170 00For
Hartford64,1680 00For
Lincoln Financial62,0880 00For
MFS44,2230 00For
Thrivent37,6340 00For
American Century31,6320 00For
Transamerica30,7290 00For
ProShares26,8680 00For
Northern Trust25,0910 00For
Global X24,6430 00For
Direxion Shares ETF Trust22,9380 00For
WisdomTree20,7070 00For
Pacific Life16,8470 00For

Showing the 25 largest of 55 asset managers. See all 55 in the interactive database.

2. Elect Director: Lars G. Ekman

Official resultDIRECTOR ELECTIONSReported outcome: Elected

Combines 3 wordings of this item as funds reported it.

99% Majority: yes · of votes cast

FOR 99%
FOR: 46,550,069AGAINST: 556,607
Details: description as filed, official tally, votes by 55 asset managers

Description as filed by funds: To elect, by separate resolution, three directors to hold office until no later than the Annual General Meeting of the Company's Shareholders in 2028, unless they resign, are removed from office, or are otherwise disqualified from serving as directors of the Company: Lars G. Ekman

PROTHENA CORPORATION PLC’s own tally for this item (“Elect Director: Lars G. Ekman”): 46,550,069 for, 556,607 against, per its Form 8-K filed May 16, 2025 (Item 5.07). FOR was more than half of the votes cast. Whether the item passed is for the filing to say; its statement has not been read for this item.

Reported outcome: Elected, in the filing’s own words: “The shareholders re-elected the following individuals to the Company's Board of Directors to hold office until no later than the annual general meeting of shareholders in 2028.”
Support: 99% of votes cast — FOR ÷ (FOR + AGAINST); abstentions and broker non-votes are excluded.

The 55 asset managers below reported 16,034,231 for, 119,662 against, 8,334 abstained.

FOR
FOR: 16,034,231AGAINST: 119,662ABSTAIN: 8,334
Largest asset managers voting on “To elect, by separate resolution, three directors to hold office until no later than the Annual General Meetin” at PROTHENA CORPORATION PLC, 2024-2025
Asset managerForAgainst AbstainWithheldVote
Vanguard5,415,1570 00For
Fidelity5,279,9830 00For
T. Rowe Price2,769,8450 00For
Federated Hermes533,2150 00For
Charles Schwab324,7990 00For
State Street317,4910 00For
Dimensional251,1980 00For
JPMorgan199,8740 00For
Equitable74,80445,280 00Mixed
Brighthouse108,4930 8,3340Mixed
TIAA107,9540 00For
BlackRock98,0630 00For
John Hancock64,2170 00For
Hartford64,1680 00For
Lincoln Financial62,0880 00For
MFS044,223 00Against
Thrivent37,6340 00For
American Century31,6320 00For
Transamerica30,7290 00For
ProShares26,8680 00For
Northern Trust025,091 00Against
Global X24,6430 00For
Direxion Shares ETF Trust22,9380 00For
WisdomTree20,7070 00For
Pacific Life16,8470 00For

Showing the 25 largest of 55 asset managers. See all 55 in the interactive database.

3. Elect Director: Paula K. Cobb

Official resultDIRECTOR ELECTIONSReported outcome: Elected

Combines 3 wordings of this item as funds reported it.

99.6% Majority: yes · of votes cast

FOR 99.6%
FOR: 46,937,071AGAINST: 169,323
Details: description as filed, official tally, votes by 55 asset managers

Description as filed by funds: To elect, by separate resolution, three directors to hold office until no later than the Annual General Meeting of the Company's Shareholders in 2028, unless they resign, are removed from office, or are otherwise disqualified from serving as directors of the Company: Paula K. Cobb

PROTHENA CORPORATION PLC’s own tally for this item (“Elect Director: Paula K. Cobb”): 46,937,071 for, 169,323 against, per its Form 8-K filed May 16, 2025 (Item 5.07). FOR was more than half of the votes cast. Whether the item passed is for the filing to say; its statement has not been read for this item.

Reported outcome: Elected, in the filing’s own words: “The shareholders re-elected the following individuals to the Company's Board of Directors to hold office until no later than the annual general meeting of shareholders in 2028.”
Support: 99.6% of votes cast — FOR ÷ (FOR + AGAINST); abstentions and broker non-votes are excluded.

The 55 asset managers below reported 16,104,106 for, 49,787 against, 8,334 abstained.

FOR
FOR: 16,104,106AGAINST: 49,787ABSTAIN: 8,334
Largest asset managers voting on “To elect, by separate resolution, three directors to hold office until no later than the Annual General Meetin” at PROTHENA CORPORATION PLC, 2024-2025
Asset managerForAgainst AbstainWithheldVote
Vanguard5,415,1570 00For
Fidelity5,279,9830 00For
T. Rowe Price2,769,8450 00For
Federated Hermes533,2150 00For
Charles Schwab324,7990 00For
State Street317,4910 00For
Dimensional251,1980 00For
JPMorgan199,8740 00For
Equitable74,80445,280 00Mixed
Brighthouse108,4930 8,3340Mixed
TIAA107,9540 00For
BlackRock98,0630 00For
John Hancock64,2170 00For
Hartford64,1680 00For
Lincoln Financial62,0880 00For
MFS44,2230 00For
Thrivent37,6340 00For
American Century31,6320 00For
Transamerica30,7290 00For
ProShares26,8680 00For
Northern Trust25,0910 00For
Global X24,6430 00For
Direxion Shares ETF Trust22,9380 00For
WisdomTree20,7070 00For
Pacific Life16,8470 00For

Showing the 25 largest of 55 asset managers. See all 55 in the interactive database.

4. 4. Approval of an Amendment to the Company's 2018 Long Term Incentive Plan

Official resultCOMPENSATIONReported outcome: Approved

Combines 3 wordings of this item as funds reported it.

68% Approved · of votes cast

FOR 68%AGAINST
FOR: 31,061,458AGAINST: 14,862,520
Details: description as filed, official tally, votes by 57 asset managers

Description as filed by funds: TO APPROVE AN AMENDMENT TO THE COMPANY'S 2018 LONG TERM INCENTIVE PLAN TO INCREASE THE NUMBER OF ORDINARY SHARES AVAILABLE FOR ISSUANCE UNDER THAT PLAN BY 2,000,000 ORDINARY SHARES.

PROTHENA CORPORATION PLC’s own tally for this item (“4. Approval of an Amendment to the Company's 2018 Long Term Incentive Plan”): 31,061,458 for, 14,862,520 against — passed, per its Form 8-K filed May 16, 2025 (Item 5.07).

Reported outcome: Approved, in the filing’s own words: “The shareholders approved the Amendment, which increases the number of ordinary shares available for issuance under the 2018 LTIP by 2,000,000 ordinary shares.”
Support: 68% of votes cast — FOR ÷ (FOR + AGAINST); abstentions and broker non-votes are excluded.

The 57 asset managers below reported 15,046,908 for, 1,106,368 against, 8,334 abstained.

FOR
FOR: 15,046,908AGAINST: 1,106,368ABSTAIN: 8,334
Largest asset managers voting on “TO APPROVE AN AMENDMENT TO THE COMPANY'S 2018 LONG TERM INCENTIVE PLAN TO INCREASE THE NUMBER OF ORDINARY SHAR” at PROTHENA CORPORATION PLC, 2024-2025
Asset managerForAgainst AbstainWithheldVote
Vanguard5,415,1570 00For
Fidelity5,279,9830 00For
T. Rowe Price2,769,8450 00For
Federated Hermes533,2150 00For
Charles Schwab324,7990 00For
State Street0317,491 00Against
Dimensional0251,198 00Against
JPMorgan199,8740 00For
Equitable74,80445,280 00Mixed
Brighthouse93,13215,361 8,3340Mixed
TIAA0107,954 00Against
BlackRock98,0630 00For
John Hancock56,7807,437 00Mixed
Hartford64,1680 00For
Lincoln Financial6,09055,998 00Mixed
MFS044,223 00Against
Thrivent037,634 00Against
American Century031,632 00Against
Transamerica30,7290 00For
ProShares026,868 00Against
Northern Trust25,0910 00For
Global X24,6430 00For
Direxion Shares ETF Trust022,938 00Against
WisdomTree020,707 00Against
Pacific Life16,8470 00For

Showing the 25 largest of 57 asset managers. See all 57 in the interactive database.

5. 3. Approval of Compensation of the Company's Named Executive Officers

Official resultFund totals may overlapSECTION 14A SAY-ON-PAY VOTESReported outcome: Approved

Combines 9 wordings of this item as funds reported it.

76% Approved · of votes cast

FOR 76%AGAINST
FOR: 34,696,557AGAINST: 11,221,019
Details: description as filed, official tally, votes by 233 asset managers

Description as filed by funds: TO APPROVE, IN A NON-BINDING ADVISORY VOTE, THE COMPENSATION OF THE EXECUTIVE OFFICERS NAMED IN THE COMPANY'S PROXY STATEMENT FOR THE ANNUAL GENERAL MEETING.

PROTHENA CORPORATION PLC’s own tally for this item (“3. Approval of Compensation of the Company's Named Executive Officers”): 34,696,557 for, 11,221,019 against — passed, per its Form 8-K filed May 16, 2025 (Item 5.07).

Reported outcome: Approved, in the filing’s own words: “The shareholders approved, in a non-binding advisory vote, the compensation of the Company's executive officers named in the Proxy Statement.”
Support: 76% of votes cast — FOR ÷ (FOR + AGAINST); abstentions and broker non-votes are excluded.

Fund voting reports and institutional-manager reports both cover this item. An institutional manager can report shares that a fund it advises also reports, so the two are shown separately below and never added together, and their sum is not shown (fund and manager reports combined may count the same shares twice).

Fund voting reports: 53 asset managers voting on “TO APPROVE, IN A NON-BINDING ADVISORY VOTE, THE COMPENSATION OF THE EXECUTIVE OFFICERS NAMED IN THE COMPANY'S ” at PROTHENA CORPORATION PLC, 2024-2025
Asset managerForAgainst AbstainWithheldVote
Vanguard5,414,893264 00For
Fidelity5,279,9830 00For
T. Rowe Price2,769,8450 00For
Federated Hermes533,2150 00For
Charles Schwab324,7990 00For
State Street317,4910 00For
Dimensional251,1980 00For
JPMorgan199,8740 00For
Equitable120,0840 00For
Brighthouse108,4930 8,3340Mixed
TIAA107,9540 00For
BlackRock98,0630 00For
John Hancock64,2170 00For
Hartford64,1680 00For
Lincoln Financial62,0880 00For
MFS44,2230 00For
Thrivent37,6340 00For
American Century031,632 00Against
Transamerica30,7290 00For
ProShares26,8680 00For
Northern Trust25,0910 00For
Global X24,6430 00For
Direxion Shares ETF Trust22,9380 00For
WisdomTree20,7070 00For
Pacific Life16,8470 00For

Fund voting reports, all 53 managers: 16,103,679 for, 38,533 against, 8,334 abstained. Showing the 25 largest; see all in the interactive database.

Institutional-manager reports: 196 asset managers voting on “TO APPROVE, IN A NON-BINDING ADVISORY VOTE, THE COMPENSATION OF THE EXECUTIVE OFFICERS NAMED IN THE COMPANY'S ” at PROTHENA CORPORATION PLC, 2024-2025
Asset managerForAgainst AbstainWithheldVote
EcoR1 Capital, LLC8,266,3420 00For
Fidelity7,770,3720 00For
Wellington4,830,0170 00For
T. Rowe Price3,685,2840 00For
Palo Alto Investors LP1,737,9640 00For
BlackRock1,712,78622,222 00For
Siren, L.L.C.1,119,8470 00For
State Street1,076,743130 00For
GEODE CAPITAL MANAGEMENT, LLC968,9210 00For
Candriam S.C.A.0794,145 00Against
Finepoint Capital LP640,0710 00For
Federated Hermes548,8106,166 00For
Rock Springs Capital Management LP508,5240 00For
JPMorgan348,4780 00For
Charles Schwab324,7990 00For
Northern Trust209,0520 00For
Birchview Capital, LP198,0000 00For
DCF Advisers, LLC0157,750 00Against
Vanguard126,8980 00For
Nuveen109,3760 00For
UBS089,228 00Against
PARAMETRIC PORTFOLIO ASSOCIATES LLC85,3520 00For
PINNACLE ASSOCIATES LTD72,2640 00For
Prosight Management, LP68,0460 00For
Dimensional64,1870 00For

Institutional-manager reports, all 196 managers: 35,090,187 for, 1,191,104 against, 3 abstained. Showing the 25 largest; see all in the interactive database.

6. 2. Ratification of Appointment of the Company's Independent Registered Public Accounting Firm for 2025 and…

Official resultAUDIT-RELATEDReported outcome: Approved

Combines 4 wordings of this item as funds reported it.

99.8% Approved · of votes cast

FOR 99.8%
FOR: 50,252,343AGAINST: 58,051
Details: description as filed, official tally, votes by 56 asset managers

Description as filed by funds: To ratify, on a non-binding vote, the appointment of KPMG LLP as the Company's independent registered public accounting firm for its fiscal year 2025, and to authorize, in a binding vote, the Company's Board of Directors, acting through its Audit Committee, to approve remuneration of that auditor.

PROTHENA CORPORATION PLC’s own tally for this item (“2. Ratification of Appointment of the Company's Independent Registered Public Accounting Firm for 2025 and Authorization of the Board of Directors to Approve the Remuneration of that Auditor”): 50,252,343 for, 58,051 against — passed, per its Form 8-K filed May 16, 2025 (Item 5.07).

Reported outcome: Approved, in the filing’s own words: “The shareholders ratified, in a non-binding vote, the appointment of KPMG LLP as the Company's independent registered public accounting firm for its fiscal year ending December 31, 2025, and authorized, in a binding vote, the Company's Board of Directors, acting through its Audit Committee, to appr…”
Support: 99.8% of votes cast — FOR ÷ (FOR + AGAINST); abstentions and broker non-votes are excluded.

The 56 asset managers below reported 16,153,754 for, 139 against, 8,334 abstained.

FOR
FOR: 16,153,754AGAINST: 139ABSTAIN: 8,334
Largest asset managers voting on “To ratify, on a non-binding vote, the appointment of KPMG LLP as the Company's independent registered public a” at PROTHENA CORPORATION PLC, 2024-2025
Asset managerForAgainst AbstainWithheldVote
Vanguard5,415,1570 00For
Fidelity5,279,9830 00For
T. Rowe Price2,769,8450 00For
Federated Hermes533,2150 00For
Charles Schwab324,7990 00For
State Street317,4910 00For
Dimensional251,1980 00For
JPMorgan199,8740 00For
Equitable120,0840 00For
Brighthouse108,4930 8,3340Mixed
TIAA107,9540 00For
BlackRock98,0630 00For
John Hancock64,2170 00For
Hartford64,1680 00For
Lincoln Financial62,0880 00For
MFS44,2230 00For
Thrivent37,6340 00For
American Century31,6320 00For
Transamerica30,7290 00For
ProShares26,8680 00For
Northern Trust25,0910 00For
Global X24,6430 00For
Direxion Shares ETF Trust22,9380 00For
WisdomTree20,7070 00For
Pacific Life16,8470 00For

Showing the 25 largest of 56 asset managers. See all 56 in the interactive database.

Largest PROTHENA CORPORATION PLC shareholders voting in 2024-2025

Ranked separately for each type of Form N-PX report. An institutional manager can report shares that a fund it advises also reports, so the two tables can list the same shares and are never added together. Each is ranked by the shares voted on the item that the most managers of that type reported, shown as a share of the 53,826,982 shares outstanding at the time of that meeting.

Fund voting reports: top PROTHENA CORPORATION PLC shareholders by shares voted on “TO APPROVE, IN A NON-BINDING ADVISORY VOTE, THE COMPENSATION OF THE EXECUTIVE OFFICERS NAMED IN…”, 2024-2025
#Asset manager % of shares outstanding
1Vanguard 10.06%
2Fidelity 9.81%
3T. Rowe Price 5.15%
4Federated Hermes 0.99%
5Charles Schwab 0.60%
6State Street 0.59%
7Dimensional 0.47%
8JPMorgan 0.37%
9Equitable 0.22%
10Brighthouse 0.22%
Institutional-manager reports: top PROTHENA CORPORATION PLC shareholders by shares voted on “TO APPROVE, IN A NON-BINDING ADVISORY VOTE, THE COMPENSATION OF THE EXECUTIVE OFFICERS NAMED IN…”, 2024-2025
#Asset manager % of shares outstanding
1EcoR1 Capital, LLC 15.36%
2Fidelity 14.44%
3Wellington 8.97%
4T. Rowe Price 6.85%
5Palo Alto Investors LP 3.23%
6BlackRock 3.22%
7Siren, L.L.C. 2.08%
8State Street 2.00%
9GEODE CAPITAL MANAGEMENT, LLC 1.80%
10Candriam S.C.A. 1.48%

Reported PROTHENA CORPORATION PLC holdings and ownership

As disclosed to the SEC in Form 13F (quarter-end holdings of 30 large managers), Schedules 13D and 13G (beneficial ownership above 5%) and the company’s own proxy statement (DEF 14A). Each row names its form.

PROTHENA CORPORATION PLC holdings and ownership disclosed for the 2024-2025 proxy season
Holder % outstanding Disclosure
FMR (Fidelity) 14.75% 13F
SCULLY WILLIAM P 9.99% 13G
Wellington Management 9.66% 13F
Rubric Capital Management LP 9.29% 13G
Fennell Todd W. 8.35% 13G
BlackRock 7.51% 13F
T. Rowe Price 6.42% 13F
State Street 2.83% 13F
Vanguard Group 2.36% 13F
Geode Capital 1.89% 13F

Percentages above are of 53,826,982 shares outstanding, as reported by PROTHENA CORPORATION PLC on its Form 10-Q dated May 1, 2025 (see the filing on EDGAR). This is the count contemporaneous with the 2024-2025 meeting, not today’s. Each holding is as of its own filing, which may be dated before or after the meeting.

About this page

Every figure above is derived from filings made with the US Securities and Exchange Commission: Form N-PX, in which registered funds disclose how they voted every proxy and institutional managers disclose their votes on executive pay (say-on-pay, say-on-frequency and golden parachutes), and Form 8-K Item 5.07, in which the company reports its own meeting results. Shares outstanding are taken from PROTHENA CORPORATION PLC’s 10-Q dated May 1, 2025. This page is a static snapshot rebuilt weekly on October 18, 2026; a live search always shows the current data.

At PROTHENA CORPORATION PLC's shareholder meeting held May 13, 2025, in the 2024-2025 proxy season, 234 asset managers reported how they voted on 6 ballot items in their SEC Form N-PX filings, covering 1,476 separate fund positions. On the most widely held item on that ballot — TO APPROVE, IN A NON-BINDING ADVISORY VOTE, THE COMPENSATION OF THE EXECUTIVE OFFICERS NAMED IN… — PROTHENA CORPORATION PLC's filing reports the proposal as approved, with 76% support of the votes cast (FOR divided by FOR plus AGAINST, the conventional basis for proxy support; abstentions, broker non-votes and unvoted shares are excluded because none of them took a side). Source: PROTHENA CORPORATION PLC's Form 8-K, Item 5.07, filed with the U.S. Securities and Exchange Commission on May 16, 2025.

PROTHENA CORPORATION PLC proxy season coverage: 2023-2024 · 2024-2025 (this page) · 2025-2026.

Download data (CSV): ballot items · votes by manager · column guide.