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 5 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 |
|---|---|---|---|---|---|
| Putnam Investments LLC | 14,756 | $894.0K | 0.00% | +1,272+9.4% | Added |
| Victory Capital Management Inc | 14,575 | $884.0K | 0.00% | −5,176−26.2% | Reduced |
| Wolverine Trading, LLC | 14,805 | $880.0K | 0.03% | +14,805 | New |
| Virginia Retirement Systems Et Al | 14,000 | $848.8K | 0.01% | +14,000 | New |
| DekaBank Deutsche Girozentrale | 14,000 | $830.0K | 0.00% | 00.0% | Unchanged |
| Allspring Global Investments Holdings, LLC | 12,757 | $773.0K | 0.00% | −351−2.7% | Reduced |
| Wells Fargo & Company | 12,499 | $758.0K | 0.00% | +268+2.2% | Added |
| HRT Financial LP | 12,363 | $749.0K | 0.01% | +12,363 | New |
| Teacher Retirement System of Texas | 10,682 | $648.0K | 0.00% | +10,682 | New |
| Arizona State Retirement System | 8,904 | $540.0K | 0.01% | +48+0.5% | Added |
| Algert Global LLC | 8,670 | $526.0K | 0.03% | +8,670 | New |
| Campbell & CO Investment Adviser LLC | 8,423 | $511.0K | 0.12% | +8,423 | New |
| Tower Research Capital LLC (TRC) | 8,313 | $504.0K | 0.01% | +3,257+64.4% | Added |
| ProShare Advisors LLC | 7,858 | $476.0K | 0.00% | +228+3.0% | Added |
| Royal Bank of Canada | 7,701 | $467.0K | 0.00% | −5,132−40.0% | Reduced |
| Kiwi Wealth Investments Limited Partnership | 16,900 | $458.8K | 0.03% | 00.0% | Unchanged |
| E Fund Management Co., Ltd. | 7,329 | $444.0K | 0.04% | −2,016−21.6% | Reduced |
| Fox Run Management, L.L.C. | 7,126 | $432.0K | 0.17% | −5,792−44.8% | Reduced |
| Wetherby Asset Management Inc | 7,082 | $429.0K | 0.03% | −2,000−22.0% | Reduced |
| Public Employees Retirement Association of Colorado | 6,552 | $397.0K | 0.00% | 00.0% | Unchanged |
| 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 |
| Franklin Resources Inc | 6,350 | $385.0K | 0.00% | +6,350 | New |
| UBS Group AG | 6,149 | $373.0K | 0.00% | −14,674−70.5% | Reduced |
| Los Angeles Capital Management LLC | 6,106 | $370.0K | 0.00% | +6,106 | New |
| Amalgamated Bank | 5,720 | $347.0K | 0.00% | +89+1.6% | Added |
| Quantamental Technologies LLC | 5,106 | $310.0K | 0.12% | +5,106 | New |
| Brighton Jones LLC | 5,001 | $303.0K | 0.02% | +5,001 | New |
| Virtus ETF Advisers LLC | 4,557 | $276.0K | 0.11% | +34+0.8% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 4,208 | $255.0K | 0.00% | −2,798−39.9% | Reduced |
| Hunter Perkins Capital Management, LLC | 4,101 | $249.0K | 0.06% | +4,101 | New |
| Winton Group Ltd | 4,039 | $245.0K | 0.02% | +4,039 | New |
| Old Well Partners, LLC | 3,924 | $238.0K | 0.20% | +3,924 | New |
| Vident Investment Advisory, LLC | 3,916 | $237.0K | 0.01% | +3,916 | 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 |
| Susquehanna Fundamental Investments, LLC | 3,425 | $208.0K | 0.00% | +3,425 | New |
| Amundi | 3,031 | $176.0K | 0.00% | +3,031 | New |
| Ameritas Investment Partners, Inc. | 2,702 | $163.0K | 0.01% | 00.0% | Unchanged |
| Metropolitan Life Insurance Co | 2,329 | $141.2K | 0.01% | 00.0% | Unchanged |
| Lazard Asset Management LLC | 1,733 | $105.0K | 0.00% | 00.0% | Unchanged |
| Macquarie Group Ltd | 867 | $94.0K | 0.00% | −681−44.0% | Reduced |
| Advisor Group Holdings, Inc. | 1,225 | $73.0K | 0.00% | −14−1.1% | Reduced |
| HighMark Wealth Management LLC | 1,175 | $71.0K | 0.06% | 00.0% | Unchanged |
| Parallel Advisors, LLC | 995 | $60.0K | 0.00% | 00.0% | Unchanged |
| US Bancorp | 761 | $46.0K | 0.00% | −399−34.4% | Reduced |
| The PNC Financial Services Group, Inc. | 566 | $34.0K | 0.00% | +150+36.1% | Added |
| Nisa Investment Advisors, LLC | 525 | $32.0K | 0.00% | +25+5.0% | Added |
| China Universal Asset Management Co., Ltd. | 439 | $27.0K | 0.01% | +439 | New |
| Signaturefd, LLC | 424 | $26.0K | 0.00% | +4+1.0% | Added |
| TCI Wealth Advisors, Inc. | 227 | $14.0K | 0.00% | +1+0.4% | Added |
| Kelly Financial Services LLC | 182 | $11.0K | 0.01% | 00.0% | Unchanged |
| Asset Dedication, LLC | 184 | $11.0K | 0.00% | 00.0% | Unchanged |
| Jefferies Group LLC | 174 | $10.6K | 0.00% | +174 | New |
| Daiwa Securities Group Inc. | 154 | $9.00K | 0.00% | 00.0% | Unchanged |
| Sittner & Nelson, LLC | 155 | $9.00K | 0.01% | 00.0% | Unchanged |
| Focused Wealth Management, Inc | 129 | $8.00K | 0.00% | 00.0% | Unchanged |
| Albion Financial Group | 125 | $8.00K | 0.00% | 00.0% | Unchanged |
| 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 |
| Hall Laurie J Trustee | 80 | $5.00K | 0.00% | −30−27.3% | Reduced |
| Huntington National Bank | 73 | $4.00K | 0.00% | 00.0% | Unchanged |
| Bessemer Group Inc | 63 | $4.00K | 0.00% | 00.0% | Unchanged |
| 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 |
| 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 |
| 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 |
| American Portfolios Advisors | 2 | $121 | 0.00% | 00.0% | Unchanged |
| 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 |
| Capital Fund Management S.A. | 0 | $0 | 0.00% | −137,496−100.0% | Sold out |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −42,213−100.0% | Sold out |
| Bank of Montreal | 0 | $0 | 0.00% | −24,893−100.0% | Sold out |
| Jane Street Group, LLC | 0 | $0 | 0.00% | −25,168−100.0% | Sold out |
| ETF Managers Group, LLC | 0 | $0 | 0.00% | −24,869−100.0% | Sold out |
| Jennison Associates LLC | 0 | $0 | 0.00% | −24,016−100.0% | Sold out |
| Tudor Investment Corp Et Al | 0 | $0 | 0.00% | −23,459−100.0% | Sold out |
| Dynamic Technology Lab Private Ltd | 0 | $0 | 0.00% | −15,090−100.0% | Sold out |
| Allianz Asset Management GmbH | 0 | $0 | 0.00% | −13,895−100.0% | Sold out |
| Qube Research & Technologies Ltd | 0 | $0 | 0.00% | −13,878−100.0% | Sold out |
| Captrust Financial Advisors | 0 | $0 | 0.00% | −1,177−100.0% | Sold out |
| State of Wyoming | 0 | $0 | 0.00% | −966−100.0% | Sold out |
| Point72 Hong Kong Ltd | 0 | $0 | 0.00% | −738−100.0% | Sold out |
| International Biotechnology Trust PLC | 0 | $0 | 0.00% | −407−100.0% | Sold out |
| Rockbridge Investment Management, LCC | 0 | $0 | 0.00% | −100−100.0% | Sold out |
| Patriot Financial Group Insurance Agency, LLC | 0 | $0 | 0.00% | −4−100.0% | Sold out |
| Geneos Wealth Management Inc. | 0 | $0 | 0.00% | −26−100.0% | Sold out |