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 2022
Institutional positions in Prothena Corp Public Ltd Co as of Jun 30, 2022. 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
- 167
- −4 vs. Q1 2022
- Shares held
- 44.5M
- +491.0K (+1.1%) vs. Q1 2022
- Total value
- $1.21B
- −$400.2M (−24.8%) vs. Q1 2022
- New holders
- 17
- 44 more added
- Sold out
- 21
- 54 more reduced
3 institutions that held it in Q1 2022 haven't filed for Q2 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2022: 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 2022
Shares, value and share of portfolio for each institution holding Prothena Corp Public Ltd Co; share changes are against Q1 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Brewin Dolphin Ltd | 16 | $0 | 0.00% | 00.0% | Unchanged |
| Whittier Trust Co of Nevada Inc | 3 | $0 | 0.00% | 00.0% | Unchanged |
| Covington Capital Management | 7 | $0 | 0.00% | 00.0% | Unchanged |
| Blue Bell Private Wealth Management, LLC | 12 | $0 | 0.00% | 00.0% | Unchanged |
| JFS Wealth Advisors, LLC | 3 | $0 | 0.00% | 00.0% | Unchanged |
| Lowe Wealth Advisors, LLC | 10 | $0 | 0.00% | +9+900.0% | Added |
| Patriot Financial Group Insurance Agency, LLC | 4 | $0 | 0.00% | 00.0% | Unchanged |
| Geneos Wealth Management Inc. | 26 | $0 | 0.00% | 00.0% | Unchanged |
| Coastal Capital Group, Inc. | 2 | $0 | 0.00% | 00.0% | Unchanged |
| TSFG, LLC | 2 | $0 | 0.00% | 00.0% | Unchanged |
| Disciplined Investments, LLC | 1 | $0 | 0.00% | −1−50.0% | Reduced |
| Schubert & Co | 6 | $0 | 0.00% | +3+100.0% | Added |
| Harbour Investments, Inc. | 5 | $0 | 0.00% | +5 | New |
| CoreCap Advisors, LLC | 11 | $0 | 0.00% | +11 | New |
| Steward Financial Group LLC | 4 | $0 | 0.00% | +4 | New |
| American Portfolios Advisors | 2 | $54 | 0.00% | 00.0% | Unchanged |
| C M Bidwell & Associates Ltd | 50 | $1.00K | 0.00% | 00.0% | Unchanged |
| CWM, LLC | 32 | $1.00K | 0.00% | −10−23.8% | Reduced |
| Allworth Financial LP | 23 | $1.00K | 0.00% | 00.0% | Unchanged |
| Centerpoint Advisors, LLC | 36 | $1.00K | 0.00% | 00.0% | Unchanged |
| Huntington National Bank | 73 | $2.00K | 0.00% | 00.0% | Unchanged |
| Rockefeller Capital Management L.P. | 100 | $2.00K | 0.00% | +15+17.6% | Added |
| Bessemer Group Inc | 63 | $2.00K | 0.00% | 00.0% | Unchanged |
| Rockbridge Investment Management, LCC | 100 | $2.71K | 0.00% | 00.0% | Unchanged |
| Albion Financial Group | 125 | $3.00K | 0.00% | 00.0% | Unchanged |
| Hall Laurie J Trustee | 110 | $3.00K | 0.00% | 00.0% | Unchanged |
| Harbor Investment Advisory, LLC | 100 | $3.00K | 0.00% | 00.0% | Unchanged |
| Gould Capital, LLC | 100 | $3.00K | 0.00% | 00.0% | Unchanged |
| Daiwa Securities Group Inc. | 154 | $4.00K | 0.00% | 00.0% | Unchanged |
| Sittner & Nelson, LLC | 155 | $4.00K | 0.00% | 00.0% | Unchanged |
| Focused Wealth Management, Inc | 129 | $4.00K | 0.00% | 00.0% | Unchanged |
| Kelly Financial Services LLC | 182 | $4.94K | 0.00% | 00.0% | Unchanged |
| Asset Dedication, LLC | 184 | $5.00K | 0.00% | 00.0% | Unchanged |
| TCI Wealth Advisors, Inc. | 226 | $6.00K | 0.00% | +88+63.8% | Added |
| The PNC Financial Services Group, Inc. | 416 | $11.0K | 0.00% | 00.0% | Unchanged |
| Signaturefd, LLC | 420 | $11.0K | 0.00% | 00.0% | Unchanged |
| Nisa Investment Advisors, LLC | 500 | $14.0K | 0.00% | 00.0% | Unchanged |
| International Biotechnology Trust PLC | 407 | $15.0K | 0.30% | −14,593−97.3% | Reduced |
| Point72 Hong Kong Ltd | 738 | $20.0K | 0.00% | −3,125−80.9% | Reduced |
| State of Wyoming | 966 | $26.0K | 0.02% | −4,981−83.8% | Reduced |
| Parallel Advisors, LLC | 995 | $27.0K | 0.00% | −3−0.3% | Reduced |
| US Bancorp | 1,160 | $31.0K | 0.00% | 00.0% | Unchanged |
| Captrust Financial Advisors | 1,177 | $32.0K | 0.00% | −143−10.8% | Reduced |
| HighMark Wealth Management LLC | 1,175 | $32.0K | 0.03% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 1,239 | $33.0K | 0.00% | +923+292.1% | Added |
| Macquarie Group Ltd | 1,548 | $42.0K | 0.00% | 00.0% | Unchanged |
| Lazard Asset Management LLC | 1,733 | $47.0K | 0.00% | 00.0% | Unchanged |
| Barclays PLC | 1,781 | $48.0K | 0.00% | −6,149−77.5% | Reduced |
| Brewin Dolphin Wealth Management Ltd | 2,009 | $55.0K | 0.01% | 00.0% | Unchanged |
| Metropolitan Life Insurance Co | 2,329 | $63.2K | 0.00% | 00.0% | Unchanged |
| Ameritas Investment Partners, Inc. | 2,702 | $73.0K | 0.00% | 00.0% | Unchanged |
| Simplex Trading, LLC | 3,231 | $87.0K | 0.00% | +3,231 | New |
| Federated Hermes, Inc. | 4,503 | $122.0K | 0.00% | −96,726−95.6% | Reduced |
| Virtus ETF Advisers LLC | 4,523 | $123.0K | 0.05% | +837+22.7% | Added |
| Tower Research Capital LLC (TRC) | 5,056 | $137.0K | 0.00% | −3,167−38.5% | Reduced |
| Amalgamated Bank | 5,631 | $153.0K | 0.00% | +90+1.6% | Added |
| Fieldpoint Private Securities, LLC | 6,000 | $163.0K | 0.05% | +2,000+50.0% | Added |
| Public Employees Retirement Association of Colorado | 6,552 | $178.0K | 0.00% | 00.0% | Unchanged |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 7,006 | $190.0K | 0.00% | 00.0% | Unchanged |
| ProShare Advisors LLC | 7,630 | $207.0K | 0.00% | −3,979−34.3% | Reduced |
| BNP Paribas Arbitrage, SA | 8,299 | $225.3K | 0.00% | +5,226+170.1% | Added |
| Arizona State Retirement System | 8,856 | $240.0K | 0.00% | +39+0.4% | Added |
| Wetherby Asset Management Inc | 9,082 | $247.0K | 0.02% | +2,500+38.0% | Added |
| E Fund Management Co., Ltd. | 9,345 | $254.0K | 0.02% | +2,143+29.8% | Added |
| Mirae Asset Global Investments Co., Ltd. | 10,890 | $296.0K | 0.00% | +10,890 | New |
| Wells Fargo & Company | 12,231 | $332.0K | 0.00% | −15,052−55.2% | Reduced |
| Cubist Systematic Strategies, LLC | 12,580 | $342.0K | 0.00% | +4,306+52.0% | Added |
| Royal Bank of Canada | 12,833 | $348.0K | 0.00% | +2,026+18.7% | Added |
| Fox Run Management, L.L.C. | 12,918 | $351.0K | 0.18% | +12,918 | New |
| Allspring Global Investments Holdings, LLC | 13,108 | $355.0K | 0.00% | −12,691−49.2% | Reduced |
| Putnam Investments LLC | 13,484 | $366.0K | 0.00% | +1,337+11.0% | Added |
| DekaBank Deutsche Girozentrale | 14,000 | $368.0K | 0.00% | 00.0% | Unchanged |
| Voya Investment Management LLC | 13,795 | $375.0K | 0.00% | −500−3.5% | Reduced |
| Allianz Asset Management GmbH | 13,895 | $377.0K | 0.00% | −2,700−16.3% | Reduced |
| Qube Research & Technologies Ltd | 13,878 | $377.0K | 0.00% | +7,909+132.5% | Added |
| NinePointTwo Capital | 14,419 | $391.0K | 0.14% | +2,945+25.7% | Added |
| Mariner, LLC | 15,090 | $410.0K | 0.00% | −59,040−79.6% | Reduced |
| Dynamic Technology Lab Private Ltd | 15,090 | $410.0K | 0.05% | +15,090 | New |
| Connor, Clark & Lunn Investment Management Ltd. | 16,030 | $435.0K | 0.00% | +16,030 | New |
| State Board of Administration of Florida Retirement System | 16,066 | $436.0K | 0.00% | 00.0% | Unchanged |
| Legal & General Group Plc | 16,069 | $437.0K | 0.00% | +1,394+9.5% | Added |
| American International Group, Inc. | 16,604 | $451.0K | 0.00% | −1,344−7.5% | Reduced |
| Kiwi Wealth Investments Limited Partnership | 16,900 | $458.8K | 0.03% | +16,900 | New |
| MetLife Investment Management | 19,561 | $531.1K | 0.00% | 00.0% | Unchanged |
| STRS Ohio | 19,600 | $532.0K | 0.00% | +3,200+19.5% | Added |
| Victory Capital Management Inc | 19,751 | $537.0K | 0.00% | +4,341+28.2% | Added |
| Deutsche Bank AG | 19,873 | $539.0K | 0.00% | −2,471−11.1% | Reduced |
| UBS Group AG | 20,823 | $566.0K | 0.00% | −27,596−57.0% | Reduced |
| Tudor Investment Corp Et Al | 23,459 | $637.0K | 0.02% | +23,459 | New |
| Jennison Associates LLC | 24,016 | $652.0K | 0.00% | −29−0.1% | Reduced |
| ETF Managers Group, LLC | 24,869 | $667.0K | 0.02% | +24,869 | New |
| Edgewood Management LLC | 25,000 | $679.0K | 0.00% | 00.0% | Unchanged |
| Jane Street Group, LLC | 25,168 | $683.0K | 0.00% | +25,168 | New |
| Ameriprise Financial Inc | 25,209 | $685.0K | 0.00% | −3,047−10.8% | Reduced |
| Bank of Montreal | 24,893 | $692.0K | 0.00% | −22,653−47.6% | Reduced |
| AXA S.A. | 26,325 | $714.7K | 0.00% | −8,775−25.0% | Reduced |
| Credit Suisse AG | 27,724 | $753.0K | 0.00% | +369+1.3% | Added |
| Alps Advisors Inc | 27,770 | $754.0K | 0.01% | −20,212−42.1% | Reduced |
| Hussman Strategic Advisors, Inc. | 31,200 | $847.0K | 0.15% | +15,600+100.0% | Added |
| Susquehanna International Group, LLP | 31,981 | $868.0K | 0.00% | −17,205−35.0% | Reduced |