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, Q3 2022
Institutional positions in Prothena Corp Public Ltd Co as of Sep 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
- 183
- +19 vs. Q2 2022
- Shares held
- 44.4M
- −101.3K (−0.2%) vs. Q2 2022
- Total value
- $2.69B
- +$1.48B (+122.5%) vs. Q2 2022
- New holders
- 39
- 51 more added
- Sold out
- 20
- 53 more reduced
3 institutions that held it in Q2 2022 haven't filed for Q3 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2022
Shares, value and share of portfolio for each institution holding Prothena Corp Public Ltd Co; share changes are against Q2 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Harbour Investments, Inc. | 5 | $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 |
| JFS Wealth Advisors, LLC | 4 | $0 | 0.00% | +1+33.3% | Added |
| Coastal Capital Group, Inc. | 2 | $0 | 0.00% | 00.0% | Unchanged |
| Disciplined Investments, LLC | 2 | $0 | 0.00% | +1+100.0% | Added |
| SJS Investment Consulting Inc. | 5 | $0 | 0.00% | +5 | New |
| Covestor Ltd | 4 | $0 | 0.00% | +4 | New |
| American Portfolios Advisors | 2 | $121 | 0.00% | 00.0% | Unchanged |
| Blue Bell Private Wealth Management, LLC | 12 | $1.00K | 0.00% | 00.0% | Unchanged |
| Lowe Wealth Advisors, LLC | 10 | $1.00K | 0.00% | 00.0% | Unchanged |
| Schubert & Co | 10 | $1.00K | 0.00% | +4+66.7% | Added |
| Quadrant Capital Group LLC | 19 | $1.00K | 0.00% | +19 | New |
| CWM, LLC | 32 | $2.00K | 0.00% | 00.0% | Unchanged |
| Centerpoint Advisors, LLC | 36 | $2.00K | 0.00% | 00.0% | Unchanged |
| Lindbrook Capital, LLC | 38 | $2.00K | 0.00% | +38 | New |
| C M Bidwell & Associates Ltd | 50 | $3.00K | 0.00% | 00.0% | Unchanged |
| Allworth Financial LP | 55 | $3.00K | 0.00% | +32+139.1% | Added |
| Crewe Advisors LLC | 52 | $3.00K | 0.00% | +52 | New |
| Huntington National Bank | 73 | $4.00K | 0.00% | 00.0% | Unchanged |
| Bessemer Group Inc | 63 | $4.00K | 0.00% | 00.0% | Unchanged |
| Hall Laurie J Trustee | 80 | $5.00K | 0.00% | −30−27.3% | Reduced |
| Harbor Investment Advisory, LLC | 100 | $6.00K | 0.00% | 00.0% | Unchanged |
| Gould Capital, LLC | 100 | $6.00K | 0.01% | 00.0% | Unchanged |
| Rockefeller Capital Management L.P. | 99 | $6.00K | 0.00% | −1−1.0% | Reduced |
| Focused Wealth Management, Inc | 129 | $8.00K | 0.00% | 00.0% | Unchanged |
| Albion Financial Group | 125 | $8.00K | 0.00% | 00.0% | Unchanged |
| Daiwa Securities Group Inc. | 154 | $9.00K | 0.00% | 00.0% | Unchanged |
| Sittner & Nelson, LLC | 155 | $9.00K | 0.01% | 00.0% | Unchanged |
| Jefferies Group LLC | 174 | $10.6K | 0.00% | +174 | New |
| Asset Dedication, LLC | 184 | $11.0K | 0.00% | 00.0% | Unchanged |
| Kelly Financial Services LLC | 182 | $11.0K | 0.01% | 00.0% | Unchanged |
| TCI Wealth Advisors, Inc. | 227 | $14.0K | 0.00% | +1+0.4% | Added |
| Signaturefd, LLC | 424 | $26.0K | 0.00% | +4+1.0% | Added |
| China Universal Asset Management Co., Ltd. | 439 | $27.0K | 0.01% | +439 | New |
| Nisa Investment Advisors, LLC | 525 | $32.0K | 0.00% | +25+5.0% | Added |
| The PNC Financial Services Group, Inc. | 566 | $34.0K | 0.00% | +150+36.1% | Added |
| US Bancorp | 761 | $46.0K | 0.00% | −399−34.4% | Reduced |
| Parallel Advisors, LLC | 995 | $60.0K | 0.00% | 00.0% | Unchanged |
| HighMark Wealth Management LLC | 1,175 | $71.0K | 0.06% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 1,225 | $73.0K | 0.00% | −14−1.1% | Reduced |
| Macquarie Group Ltd | 867 | $94.0K | 0.00% | −681−44.0% | Reduced |
| Lazard Asset Management LLC | 1,733 | $105.0K | 0.00% | 00.0% | Unchanged |
| Metropolitan Life Insurance Co | 2,329 | $141.2K | 0.01% | 00.0% | Unchanged |
| Ameritas Investment Partners, Inc. | 2,702 | $163.0K | 0.01% | 00.0% | Unchanged |
| Amundi | 3,031 | $176.0K | 0.00% | +3,031 | New |
| Susquehanna Fundamental Investments, LLC | 3,425 | $208.0K | 0.00% | +3,425 | New |
| Group One Trading, L.P. | 3,813 | $231.0K | 0.01% | +3,813 | New |
| Ergoteles LLC | 3,803 | $231.0K | 0.01% | +3,803 | New |
| Vident Investment Advisory, LLC | 3,916 | $237.0K | 0.01% | +3,916 | New |
| Old Well Partners, LLC | 3,924 | $238.0K | 0.20% | +3,924 | New |
| Winton Group Ltd | 4,039 | $245.0K | 0.02% | +4,039 | New |
| Hunter Perkins Capital Management, LLC | 4,101 | $249.0K | 0.06% | +4,101 | New |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 4,208 | $255.0K | 0.00% | −2,798−39.9% | Reduced |
| Virtus ETF Advisers LLC | 4,557 | $276.0K | 0.11% | +34+0.8% | Added |
| Brighton Jones LLC | 5,001 | $303.0K | 0.02% | +5,001 | New |
| Quantamental Technologies LLC | 5,106 | $310.0K | 0.12% | +5,106 | New |
| Amalgamated Bank | 5,720 | $347.0K | 0.00% | +89+1.6% | Added |
| Los Angeles Capital Management LLC | 6,106 | $370.0K | 0.00% | +6,106 | New |
| UBS Group AG | 6,149 | $373.0K | 0.00% | −14,674−70.5% | Reduced |
| Franklin Resources Inc | 6,350 | $385.0K | 0.00% | +6,350 | New |
| Balyasny Asset Management LLC | 6,515 | $395.0K | 0.00% | −27,862−81.0% | Reduced |
| Virtu Financial LLC | 6,523 | $395.0K | 0.04% | +6,523 | New |
| Public Employees Retirement Association of Colorado | 6,552 | $397.0K | 0.00% | 00.0% | Unchanged |
| Wetherby Asset Management Inc | 7,082 | $429.0K | 0.03% | −2,000−22.0% | Reduced |
| Fox Run Management, L.L.C. | 7,126 | $432.0K | 0.17% | −5,792−44.8% | Reduced |
| E Fund Management Co., Ltd. | 7,329 | $444.0K | 0.04% | −2,016−21.6% | Reduced |
| Kiwi Wealth Investments Limited Partnership | 16,900 | $458.8K | 0.03% | 00.0% | Unchanged |
| Royal Bank of Canada | 7,701 | $467.0K | 0.00% | −5,132−40.0% | Reduced |
| ProShare Advisors LLC | 7,858 | $476.0K | 0.00% | +228+3.0% | Added |
| Tower Research Capital LLC (TRC) | 8,313 | $504.0K | 0.01% | +3,257+64.4% | Added |
| Campbell & CO Investment Adviser LLC | 8,423 | $511.0K | 0.12% | +8,423 | New |
| Algert Global LLC | 8,670 | $526.0K | 0.03% | +8,670 | New |
| Arizona State Retirement System | 8,904 | $540.0K | 0.01% | +48+0.5% | Added |
| Teacher Retirement System of Texas | 10,682 | $648.0K | 0.00% | +10,682 | New |
| HRT Financial LP | 12,363 | $749.0K | 0.01% | +12,363 | New |
| Wells Fargo & Company | 12,499 | $758.0K | 0.00% | +268+2.2% | Added |
| Allspring Global Investments Holdings, LLC | 12,757 | $773.0K | 0.00% | −351−2.7% | Reduced |
| DekaBank Deutsche Girozentrale | 14,000 | $830.0K | 0.00% | 00.0% | Unchanged |
| Virginia Retirement Systems Et Al | 14,000 | $848.8K | 0.01% | +14,000 | New |
| Wolverine Trading, LLC | 14,805 | $880.0K | 0.03% | +14,805 | New |
| Victory Capital Management Inc | 14,575 | $884.0K | 0.00% | −5,176−26.2% | Reduced |
| Putnam Investments LLC | 14,756 | $894.0K | 0.00% | +1,272+9.4% | Added |
| NinePointTwo Capital | 15,290 | $927.0K | 0.37% | +871+6.0% | Added |
| Hussman Strategic Advisors, Inc. | 15,600 | $946.0K | 0.16% | −15,600−50.0% | Reduced |
| State Board of Administration of Florida Retirement System | 16,066 | $974.0K | 0.00% | 00.0% | Unchanged |
| Deutsche Bank AG | 16,279 | $987.0K | 0.00% | −3,594−18.1% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 16,651 | $1.01M | 0.00% | +5,761+52.9% | Added |
| American International Group, Inc. | 16,842 | $1.02M | 0.01% | +238+1.4% | Added |
| Legal & General Group Plc | 16,932 | $1.03M | 0.00% | +863+5.4% | Added |
| Mariner, LLC | 17,029 | $1.03M | 0.00% | +1,939+12.8% | Added |
| Invesco Ltd. | 17,482 | $1.06M | 0.00% | −225,871−92.8% | Reduced |
| Cubist Systematic Strategies, LLC | 17,720 | $1.07M | 0.01% | +5,140+40.9% | Added |
| Principal Financial Group Inc | 19,015 | $1.15M | 0.00% | −14,921−44.0% | Reduced |
| MetLife Investment Management | 19,561 | $1.19M | 0.01% | 00.0% | Unchanged |
| STRS Ohio | 19,600 | $1.19M | 0.01% | 00.0% | Unchanged |
| New York Life Investments Alternatives | 22,566 | $1.37M | 1.37% | −18,526−45.1% | Reduced |
| Simplex Trading, LLC | 23,666 | $1.43M | 0.06% | +20,435+632.5% | Added |
| Edgewood Management LLC | 25,000 | $1.52M | 0.01% | 00.0% | Unchanged |
| Alps Advisors Inc | 25,590 | $1.55M | 0.01% | −2,180−7.9% | Reduced |