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 2023
Institutional positions in Prothena Corp Public Ltd Co as of Jun 30, 2023. 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
- 196
- +4 vs. Q1 2023
- Shares held
- 52.0M
- +214.3K (+0.4%) vs. Q1 2023
- Total value
- $3.54B
- +$1.03B (+41.0%) vs. Q1 2023
- New holders
- 30
- 72 more added
- Sold out
- 26
- 58 more reduced
Compare with Q1 2023: 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 2023
Shares, value and share of portfolio for each institution holding Prothena Corp Public Ltd Co; share changes are against Q1 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Covestor Ltd | 3 | $0 | 0.00% | 00.0% | Unchanged |
| Gradient Investments LLC | 1 | $68 | 0.00% | +1 | New |
| Coastal Capital Group, Inc. | 2 | $137 | 0.00% | 00.0% | Unchanged |
| Disciplined Investments, LLC | 2 | $137 | 0.00% | 00.0% | Unchanged |
| Whittier Trust Co of Nevada Inc | 3 | $204 | 0.00% | 00.0% | Unchanged |
| Huntington National Bank | 4 | $273 | 0.00% | 00.0% | Unchanged |
| JFS Wealth Advisors, LLC | 4 | $274 | 0.00% | −2−33.3% | Reduced |
| Harbour Investments, Inc. | 5 | $341 | 0.00% | 00.0% | Unchanged |
| Versant Capital Management, Inc | 6 | $410 | 0.00% | +6 | New |
| Lowe Wealth Advisors, LLC | 10 | $683 | 0.00% | 00.0% | Unchanged |
| Blue Bell Private Wealth Management, LLC | 12 | $819 | 0.00% | 00.0% | Unchanged |
| CVA Family Office, LLC | 14 | $956 | 0.00% | +14 | New |
| Quadrant Capital Group LLC | 19 | $1.30K | 0.00% | 00.0% | Unchanged |
| Lindbrook Capital, LLC | 22 | $1.50K | 0.00% | +6+37.5% | Added |
| Allworth Financial LP | 23 | $1.57K | 0.00% | 00.0% | Unchanged |
| Farther Finance Advisors, LLC | 26 | $1.77K | 0.00% | +8+44.4% | Added |
| CWM, LLC | 34 | $2.00K | 0.00% | −2−5.6% | Reduced |
| Harbor Capital Advisors, Inc. | 53 | $3.62K | 0.00% | +53 | New |
| Harbor Investment Advisory, LLC | 100 | $6.83K | 0.00% | 00.0% | Unchanged |
| Gould Capital, LLC | 100 | $6.83K | 0.01% | 00.0% | Unchanged |
| Truvestments Capital LLC | 108 | $7.37K | 0.00% | 00.0% | Unchanged |
| Albion Financial Group | 125 | $8.54K | 0.00% | 00.0% | Unchanged |
| Focused Wealth Management, Inc | 129 | $8.81K | 0.00% | 00.0% | Unchanged |
| GWM Advisors LLC | 150 | $10.2K | 0.00% | +150 | New |
| Sittner & Nelson, LLC | 155 | $10.6K | 0.01% | 00.0% | Unchanged |
| Kelly Financial Services LLC | 182 | $12.4K | 0.01% | 00.0% | Unchanged |
| Asset Dedication, LLC | 184 | $13.0K | 0.00% | 00.0% | Unchanged |
| Daiwa Securities Group Inc. | 195 | $13.0K | 0.00% | 00.0% | Unchanged |
| Byrne Asset Management LLC | 260 | $18.0K | 0.01% | −60−18.8% | Reduced |
| Signaturefd, LLC | 301 | $20.6K | 0.00% | +6+2.0% | Added |
| EverSource Wealth Advisors, LLC | 309 | $21.1K | 0.00% | +309 | New |
| First Manhattan Co | 374 | $25.5K | 0.00% | 00.0% | Unchanged |
| The PNC Financial Services Group, Inc. | 422 | $28.8K | 0.00% | +6+1.4% | Added |
| West Tower Group, LLC | 659 | $45.0K | 0.03% | +659 | New |
| China Universal Asset Management Co., Ltd. | 691 | $47.2K | 0.01% | −21−2.9% | Reduced |
| Jefferies Financial Group Inc. | 845 | $57.7K | 0.00% | +845 | New |
| Nisa Investment Advisors, LLC | 1,490 | $101.7K | 0.00% | +520+53.6% | Added |
| Virtus ETF Advisers LLC | 1,513 | $103.3K | 0.06% | −230−13.2% | Reduced |
| Allspring Global Investments Holdings, LLC | 1,956 | $133.6K | 0.00% | −3,070−61.1% | Reduced |
| Metropolitan Life Insurance Co | 2,264 | $154.6K | 0.01% | +2,264 | New |
| Tower Research Capital LLC (TRC) | 2,535 | $173.1K | 0.01% | +732+40.6% | Added |
| Beirne Wealth Consulting Services, LLC | 3,000 | $204.8K | 0.16% | +3,000 | New |
| Penserra Capital Management LLC | 3,104 | $211.0K | 0.00% | +3,104 | New |
| Advisor Group Holdings, Inc. | 3,117 | $212.8K | 0.00% | +2,297+280.1% | Added |
| Cubist Systematic Strategies, LLC | 3,159 | $215.7K | 0.00% | −37,741−92.3% | Reduced |
| Ameritas Investment Partners, Inc. | 3,423 | $233.7K | 0.01% | +281+8.9% | Added |
| SG Americas Securities, LLC | 3,555 | $243.0K | 0.00% | −105,846−96.8% | Reduced |
| Wetherby Asset Management Inc | 3,570 | $243.8K | 0.01% | +3,570 | New |
| Glenmede Trust Co NA | 5,069 | $245.7K | 0.00% | 00.0% | Unchanged |
| Engineers Gate Manager LP | 3,701 | $252.7K | 0.01% | −10,720−74.3% | Reduced |
| NinePointTwo Capital | 3,741 | $255.0K | 0.10% | −1,997−34.8% | Reduced |
| HighTower Advisors, LLC | 3,781 | $263.0K | 0.00% | +3,781 | New |
| Delphia (USA) Inc. | 3,883 | $265.1K | 0.42% | +3,883 | New |
| Schroder Investment Management Group | 3,998 | $279.9K | 0.00% | +3,998 | New |
| Raymond James & Associates | 4,117 | $281.1K | 0.00% | −2,100−33.8% | Reduced |
| Captrust Financial Advisors | 4,482 | $306.0K | 0.00% | −68−1.5% | Reduced |
| Moran Wealth Management, LLC | 4,509 | $307.9K | 0.01% | +4,509 | New |
| Pictet Asset Management SA | 5,057 | $345.3K | 0.00% | +5,057 | New |
| Walleye Trading LLC | 5,357 | $365.8K | 0.02% | −1,631−23.3% | Reduced |
| Snowden Capital Advisors LLC | 6,073 | $414.7K | 0.01% | 00.0% | Unchanged |
| Amalgamated Bank | 6,189 | $423.0K | 0.00% | +775+14.3% | Added |
| HighVista Strategies LLC | 6,406 | $437.4K | 0.20% | −8,166−56.0% | Reduced |
| Parallax Volatility Advisers, L.P. | 6,425 | $438.7K | 0.02% | +6,425 | New |
| E Fund Management Co., Ltd. | 6,427 | $439.0K | 0.03% | −1,622−20.2% | Reduced |
| Public Employees Retirement Association of Colorado | 6,552 | $447.0K | 0.00% | 00.0% | Unchanged |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 6,667 | $455.2K | 0.00% | +862+14.8% | Added |
| SEI Investments Co | 7,102 | $484.9K | 0.00% | +1,091+18.2% | Added |
| HighMark Wealth Management LLC | 7,352 | $502.0K | 0.38% | 00.0% | Unchanged |
| US Bancorp | 7,438 | $507.9K | 0.00% | −472−6.0% | Reduced |
| Corton Capital Inc. | 7,531 | $514.2K | 0.24% | +3,129+71.1% | Added |
| Oppenheimer & Co Inc | 7,613 | $519.8K | 0.01% | +343+4.7% | Added |
| Royal Bank of Canada | 8,173 | $558.0K | 0.00% | −1,570−16.1% | Reduced |
| ProShare Advisors LLC | 8,806 | $601.3K | 0.00% | +556+6.7% | Added |
| Teacher Retirement System of Texas | 10,702 | $731.0K | 0.00% | +270+2.6% | Added |
| Marshall Wace, LLP | 10,869 | $742.1K | 0.00% | +10,869 | New |
| Arizona State Retirement System | 11,081 | $756.6K | 0.01% | +1,269+12.9% | Added |
| Teachers Retirement System of the State of Kentucky | 11,144 | $761.0K | 0.01% | +11,144 | New |
| Martingale Asset Management L P | 11,318 | $772.8K | 0.02% | +11,318 | New |
| State Board of Administration of Florida Retirement System | 11,766 | $803.4K | 0.00% | +480+4.3% | Added |
| Harvest Investment Services, LLC | 11,772 | $803.8K | 0.46% | +951+8.8% | Added |
| Point72 Middle East FZE | 11,788 | $804.9K | 0.04% | +11,033+1,461.3% | Added |
| Ameriprise Financial Inc | 11,916 | $813.6K | 0.00% | −96−0.8% | Reduced |
| STRS Ohio | 13,000 | $887.0K | 0.00% | +500+4.0% | Added |
| Ergoteles LLC | 13,276 | $906.5K | 0.04% | −13,635−50.7% | Reduced |
| Rockefeller Capital Management L.P. | 13,661 | $932.8K | 0.00% | +1,662+13.9% | Added |
| DekaBank Deutsche Girozentrale | 14,000 | $962.0K | 0.00% | 00.0% | Unchanged |
| Guggenheim Capital LLC | 15,180 | $1.04M | 0.01% | −2,210−12.7% | Reduced |
| Allianz Asset Management GmbH | 15,800 | $1.08M | 0.00% | +10,800+216.0% | Added |
| AQR Capital Management LLC | 19,286 | $1.32M | 0.00% | +11,995+164.5% | Added |
| Deutsche Bank AG | 19,756 | $1.35M | 0.00% | −7,595−27.8% | Reduced |
| American International Group, Inc. | 19,954 | $1.36M | 0.01% | +1,069+5.7% | Added |
| Citadel Advisors LLC | 20,442 | $1.40M | 0.00% | −17,259−45.8% | Reduced |
| Franklin Resources Inc | 20,739 | $1.42M | 0.00% | +20,739 | New |
| MetLife Investment Management | 21,852 | $1.49M | 0.01% | +1,302+6.3% | Added |
| Advisory Research Inc | 22,039 | $1.50M | 0.19% | +14,888+208.2% | Added |
| Profund Advisors LLC | 22,049 | $1.51M | 0.08% | −4,482−16.9% | Reduced |
| Fred Alger Management, LLC | 22,064 | $1.51M | 0.01% | +745+3.5% | Added |
| UBS Group AG | 22,375 | $1.53M | 0.00% | −39,268−63.7% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 22,430 | $1.53M | 0.00% | −1,388−5.8% | Reduced |
| Susquehanna International Group, LLP | 22,530 | $1.54M | 0.00% | −38,861−63.3% | Reduced |