Prothena Corp Public Ltd Co
PRTA- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001559053
In the last 90 days, Prothena Corp Public Ltd Co insiders filed 4 open-market purchases and 2 sales; 187 institutions reported holding it in 13F filings for Q2 2026, worth $462.7M in total; no superinvestor holds it.
13F holders, Q2 2024
Institutional positions in Prothena Corp Public Ltd Co as of Jun 30, 2024. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 160
- −7 vs. Q1 2024
- Shares held
- 50.8M
- −2.61M (−4.9%) vs. Q1 2024
- Total value
- $1.05B
- −$275.2M (−20.8%) vs. Q1 2024
- New holders
- 27
- 58 more added
- Sold out
- 34
- 42 more reduced
2 institutions that held it in Q1 2024 haven't filed for Q2 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2024: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting PRTA on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 187 | $462.7M |
| Q1 2026 | 186 | $459.5M |
| Q4 2025 | 182 | $451.6M |
| Q3 2025 | 187 | $415.8M |
| Q2 2025 | 189 | $253.6M |
| Q1 2025 | 161 | $647.2M |
| Q4 2024 | 171 | $741.3M |
| Q3 2024 | 164 | $855.8M |
| Q2 2024 | 160 | $1.05B |
| Q1 2024 | 169 | $1.33B |
| Q4 2023 | 187 | $1.95B |
| Q3 2023 | 187 | $2.56B |
| Q2 2023 | 196 | $3.54B |
| Q1 2023 | 192 | $2.51B |
| Q4 2022 | 201 | $2.98B |
| Q3 2022 | 183 | $2.69B |
| Q2 2022 | 167 | $1.21B |
| Q1 2022 | 174 | $1.61B |
| Q4 2021 | 196 | $2.12B |
| Q3 2021 | 192 | $2.92B |
| Q2 2021 | 156 | $2.08B |
| Q1 2021 | 146 | $1.00B |
Institutions, Q2 2024
Shares, value and share of portfolio for each institution holding Prothena Corp Public Ltd Co; share changes are against Q1 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Covestor Ltd | 4 | $0 | 0.00% | 00.0% | Unchanged |
| Harbour Investments, Inc. | 1 | $21 | 0.00% | 00.0% | Unchanged |
| Cypress Capital, LLC | 2 | $41 | 0.00% | +2 | New |
| Whittier Trust Co of Nevada Inc | 3 | $61 | 0.00% | 00.0% | Unchanged |
| Register Financial Advisors LLC | 4 | $83 | 0.00% | 00.0% | Unchanged |
| Clearstead Advisors, LLC | 4 | $83 | 0.00% | +4 | New |
| Global Retirement Partners, LLC | 7 | $144 | 0.00% | +7 | New |
| Lowe Wealth Advisors, LLC | 10 | $206 | 0.00% | 00.0% | Unchanged |
| Rothschild Investment LLC | 10 | $206 | 0.00% | +5+100.0% | Added |
| Key Financial Inc | 12 | $248 | 0.00% | +12 | New |
| CoreCap Advisors, LLC | 23 | $475 | 0.00% | 00.0% | Unchanged |
| POM Investment Strategies, LLC | 24 | $495 | 0.00% | 00.0% | Unchanged |
| Cornerstone Planning Group LLC | 27 | $535 | 0.00% | +27 | New |
| Private Wealth Management Group, LLC | 26 | $537 | 0.00% | +10+62.5% | Added |
| Massmutual Trust Co FSB | 27 | $557 | 0.00% | +27 | New |
| Parallel Advisors, LLC | 29 | $599 | 0.00% | +17+141.7% | Added |
| Allworth Financial LP | 32 | $755 | 0.00% | −55−63.2% | Reduced |
| CIBC Private Wealth Group, LLC | 49 | $989 | 0.00% | 00.0% | Unchanged |
| Versant Capital Management, Inc | 54 | $1.11K | 0.00% | +54 | New |
| Harbor Investment Advisory, LLC | 100 | $2.06K | 0.00% | 00.0% | Unchanged |
| Gould Capital, LLC | 100 | $2.06K | 0.00% | 00.0% | Unchanged |
| EverSource Wealth Advisors, LLC | 95 | $2.21K | 0.00% | +1+1.1% | Added |
| Mather Group, LLC. | 100 | $2.48K | 0.00% | +100 | New |
| Albion Financial Group | 125 | $2.58K | 0.00% | 00.0% | Unchanged |
| Sittner & Nelson, LLC | 155 | $3.20K | 0.00% | 00.0% | Unchanged |
| Kelly Financial Services LLC | 182 | $3.76K | 0.00% | 00.0% | Unchanged |
| Asset Dedication, LLC | 184 | $3.80K | 0.00% | 00.0% | Unchanged |
| Daiwa Securities Group Inc. | 195 | $4.00K | 0.00% | 00.0% | Unchanged |
| MeadowBrook Investment Advisors LLC | 200 | $4.13K | 0.00% | 00.0% | Unchanged |
| Ronald Blue Trust, Inc. | 170 | $4.21K | 0.00% | +170 | New |
| Manchester Capital Management LLC | 250 | $5.16K | 0.00% | +250 | New |
| GAMMA Investing LLC | 367 | $7.58K | 0.00% | +309+532.8% | Added |
| Farther Finance Advisors, LLC | 375 | $7.68K | 0.00% | +7+1.9% | Added |
| Quadrant Capital Group LLC | 386 | $7.97K | 0.00% | −574−59.8% | Reduced |
| Smartleaf Asset Management LLC | 400 | $8.21K | 0.00% | +400 | New |
| Clear Street Markets LLC | 500 | $10.0K | 0.00% | 00.0% | Unchanged |
| Pacer Advisors, Inc. | 552 | $11.4K | 0.00% | −858−60.9% | Reduced |
| Byrne Asset Management LLC | 720 | $14.8K | 0.01% | +40+5.9% | Added |
| CWM, LLC | 798 | $16.0K | 0.00% | −297−27.1% | Reduced |
| Lindbrook Capital, LLC | 861 | $17.8K | 0.00% | +720+510.6% | Added |
| Nisa Investment Advisors, LLC | 1,041 | $21.5K | 0.00% | +91+9.6% | Added |
| US Bancorp | 1,111 | $22.9K | 0.00% | −21−1.9% | Reduced |
| Signaturefd, LLC | 1,337 | $27.6K | 0.00% | +863+182.1% | Added |
| Amalgamated Bank | 1,440 | $30.0K | 0.00% | 00.0% | Unchanged |
| Mirae Asset Global Investments Co., Ltd. | 1,605 | $33.0K | 0.00% | −26,307−94.2% | Reduced |
| Headlands Technologies LLC | 1,675 | $34.6K | 0.00% | −2,206−56.8% | Reduced |
| Allspring Global Investments Holdings, LLC | 1,735 | $35.8K | 0.00% | −389−18.3% | Reduced |
| Russell Investments Group, Ltd. | 1,751 | $36.1K | 0.00% | +1,621+1,246.9% | Added |
| The PNC Financial Services Group, Inc. | 1,954 | $40.3K | 0.00% | +427+28.0% | Added |
| Advisor Group Holdings, Inc. | 1,993 | $41.1K | 0.00% | −83−4.0% | Reduced |
| Simplex Trading, LLC | 2,267 | $46.0K | 0.00% | −4,951−68.6% | Reduced |
| Virtus ETF Advisers LLC | 4,236 | $87.4K | 0.04% | +2,013+90.6% | Added |
| Ameritas Investment Partners, Inc. | 4,368 | $90.2K | 0.00% | 00.0% | Unchanged |
| Catalyst Funds Management Pty Ltd | 5,100 | $105.3K | 0.03% | +5,100 | New |
| ADAR1 Capital Management, LLC | 5,988 | $123.6K | 0.02% | 00.0% | Unchanged |
| Group One Trading, L.P. | 6,233 | $128.6K | 0.00% | +3,937+171.5% | Added |
| China Universal Asset Management Co., Ltd. | 6,318 | $130.4K | 0.02% | −4,042−39.0% | Reduced |
| Public Employees Retirement Association of Colorado | 6,552 | $135.0K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 6,990 | $144.3K | 0.00% | +6,406+1,096.9% | Added |
| Royal Bank of Canada | 8,704 | $180.0K | 0.00% | +3,190+57.9% | Added |
| Arizona State Retirement System | 9,776 | $201.8K | 0.00% | −1,285−11.6% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 10,236 | $211.3K | 0.00% | +1,186+13.1% | Added |
| NEOS Investment Management LLC | 10,511 | $216.9K | 0.01% | +10,511 | New |
| STRS Ohio | 11,200 | $231.2K | 0.00% | +1,100+10.9% | Added |
| DekaBank Deutsche Girozentrale | 14,000 | $285.0K | 0.00% | 00.0% | Unchanged |
| Teachers Retirement System of the State of Kentucky | 14,039 | $290.0K | 0.00% | 00.0% | Unchanged |
| Schroder Investment Management Group | 15,000 | $309.6K | 0.00% | −771−4.9% | Reduced |
| State Board of Administration of Florida Retirement System | 15,386 | $317.6K | 0.00% | +4,100+36.3% | Added |
| Handelsbanken Fonder AB | 15,400 | $318.0K | 0.00% | +6,000+63.8% | Added |
| Amundi | 15,899 | $319.1K | 0.00% | +15,899 | New |
| Verition Fund Management LLC | 15,757 | $325.2K | 0.00% | +15,757 | New |
| HighMark Wealth Management LLC | 16,502 | $340.6K | 0.20% | 00.0% | Unchanged |
| Brinker Capital Investments, LLC | 16,792 | $346.6K | 0.00% | +6,634+65.3% | Added |
| Orion Portfolio Solutions, LLC | 16,792 | $346.6K | 0.00% | +6,634+65.3% | Added |
| Profund Advisors LLC | 18,073 | $373.0K | 0.01% | −28,805−61.4% | Reduced |
| New York State Common Retirement Fund | 18,379 | $379.3K | 0.00% | −13,971−43.2% | Reduced |
| Fox Run Management, L.L.C. | 18,591 | $383.7K | 0.07% | +18,591 | New |
| HighTower Advisors, LLC | 18,717 | $386.0K | 0.00% | +102+0.5% | Added |
| Focused Wealth Management, Inc | 20,129 | $415.5K | 0.06% | +10,000+98.7% | Added |
| Y-Intercept (Hong Kong) Ltd | 21,351 | $440.7K | 0.02% | +21,351 | New |
| Ensign Peak Advisors, Inc | 21,643 | $446.7K | 0.00% | +5,050+30.4% | Added |
| Brevan Howard Capital Management LP | 21,821 | $450.4K | 0.03% | +21,821 | New |
| Corebridge Financial, Inc. | 22,876 | $472.2K | 0.00% | +22,876 | New |
| HRT Financial LP | 23,422 | $483.0K | 0.00% | +23,422 | New |
| Edgewood Management LLC | 24,060 | $496.6K | 0.00% | 00.0% | Unchanged |
| Citigroup Inc | 24,664 | $509.1K | 0.00% | −235,208−90.5% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 24,804 | $511.6K | 0.00% | +24,804 | New |
| MetLife Investment Management | 25,337 | $523.0K | 0.00% | +3,485+15.9% | Added |
| Tudor Investment Corp Et Al | 26,795 | $553.0K | 0.01% | +26,795 | New |
| State of Wisconsin Investment Board | 27,401 | $565.6K | 0.00% | −5,758−17.4% | Reduced |
| Deutsche Bank AG | 27,554 | $568.7K | 0.00% | −4,343−13.6% | Reduced |
| Cresset Asset Management, LLC | 28,298 | $584.1K | 0.00% | +28,298 | New |
| Voya Investment Management LLC | 30,872 | $637.2K | 0.00% | −12,802−29.3% | Reduced |
| Millennium Management LLC | 31,292 | $645.9K | 0.00% | −290,949−90.3% | Reduced |
| Susquehanna International Group, LLP | 33,790 | $697.4K | 0.00% | −26,190−43.7% | Reduced |
| California State Teachers Retirement System | 34,768 | $717.6K | 0.00% | −5,674−14.0% | Reduced |
| Primecap Management Co | 36,500 | $753.4K | 0.00% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 38,612 | $797.0K | 0.00% | +6,359+19.7% | Added |
| Legal & General Group Plc | 38,774 | $800.3K | 0.00% | −101−0.3% | Reduced |
| Man Group plc | 40,529 | $836.5K | 0.00% | +10,850+36.6% | Added |