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 6 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, Q4 2024
Institutional positions in Prothena Corp Public Ltd Co as of Dec 31, 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
- 171
- +7 vs. Q3 2024
- Shares held
- 53.5M
- +2.54M (+5.0%) vs. Q3 2024
- Total value
- $741.3M
- −$114.5M (−13.4%) vs. Q3 2024
- New holders
- 35
- 63 more added
- Sold out
- 28
- 39 more reduced
Compare with Q3 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, Q4 2024
Shares, value and share of portfolio for each institution holding Prothena Corp Public Ltd Co; share changes are against Q3 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| China Universal Asset Management Co., Ltd. | 11,409 | $158.0K | 0.01% | +1,065+10.3% | Added |
| HighMark Wealth Management LLC | 11,168 | $154.7K | 0.09% | −5,334−32.3% | Reduced |
| Purkiss Capital Advisors LLC | 10,729 | $148.6K | 0.13% | +10,729 | New |
| Teacher Retirement System of Texas | 10,434 | $145.0K | 0.00% | +10,434 | New |
| Arizona State Retirement System | 10,136 | $140.4K | 0.00% | +72+0.7% | Added |
| Police & Firemen's Retirement System of New Jersey | 10,113 | $140.1K | 0.00% | +10,113 | New |
| Headlands Technologies LLC | 7,330 | $101.5K | 0.01% | +4,858+196.5% | Added |
| Royal Bank of Canada | 6,904 | $96.0K | 0.00% | −1,990−22.4% | Reduced |
| Public Employees Retirement Association of Colorado | 6,552 | $91.0K | 0.00% | 00.0% | Unchanged |
| Virtus ETF Advisers LLC | 5,148 | $71.3K | 0.03% | +833+19.3% | Added |
| Group One Trading, L.P. | 4,824 | $66.8K | 0.00% | −2,610−35.1% | Reduced |
| Acadian Asset Management LLC | 4,565 | $63.0K | 0.00% | +4,565 | New |
| Ameritas Investment Partners, Inc. | 4,368 | $60.5K | 0.00% | 00.0% | Unchanged |
| STRS Ohio | 3,600 | $49.9K | 0.00% | −7,600−67.9% | Reduced |
| Amundi | 1,954 | $27.7K | 0.00% | −11,732−85.7% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 1,793 | $27.1K | 0.00% | −152−7.8% | Reduced |
| Amalgamated Bank | 1,440 | $20.0K | 0.00% | 00.0% | Unchanged |
| CWM, LLC | 1,189 | $16.0K | 0.00% | +644+118.2% | Added |
| GF Fund Management Co. Ltd. | 1,130 | $15.7K | 0.00% | +1,130 | New |
| Nisa Investment Advisors, LLC | 980 | $13.6K | 0.00% | −235−19.3% | Reduced |
| SBI Securities Co., Ltd. | 972 | $13.5K | 0.00% | +972 | New |
| Russell Investments Group, Ltd. | 881 | $12.2K | 0.00% | −114−11.5% | Reduced |
| US Bancorp | 861 | $11.9K | 0.00% | +62+7.8% | Added |
| HM Payson & Co | 800 | $11.1K | 0.00% | +800 | New |
| Ronald Blue Trust, Inc. | 711 | $9.85K | 0.00% | +658+1,241.5% | Added |
| Lindbrook Capital, LLC | 677 | $9.38K | 0.00% | +574+557.3% | Added |
| Versant Capital Management, Inc | 629 | $8.71K | 0.00% | +304+93.5% | Added |
| Sterling Capital Management LLC | 594 | $8.23K | 0.00% | +503+552.7% | Added |
| The PNC Financial Services Group, Inc. | 416 | $5.76K | 0.00% | −270−39.4% | Reduced |
| Farther Finance Advisors, LLC | 353 | $4.89K | 0.00% | −22−5.9% | Reduced |
| Signaturefd, LLC | 352 | $4.88K | 0.00% | −549−60.9% | Reduced |
| Aster Capital Management (DIFC) Ltd | 288 | $3.99K | 0.00% | −67−18.9% | Reduced |
| Advisor Group Holdings, Inc. | 259 | $3.58K | 0.00% | −588−69.4% | Reduced |
| Manchester Capital Management LLC | 250 | $3.46K | 0.00% | 00.0% | Unchanged |
| Daiwa Securities Group Inc. | 195 | $3.00K | 0.00% | 00.0% | Unchanged |
| MeadowBrook Investment Advisors LLC | 200 | $2.77K | 0.00% | 00.0% | Unchanged |
| Evelyn Partners Investment Management LLP | 199 | $2.76K | 0.00% | +199 | New |
| Asset Dedication, LLC | 184 | $2.55K | 0.00% | 00.0% | Unchanged |
| Skopos Labs, Inc. | 161 | $2.23K | 0.00% | +161 | New |
| Quadrant Capital Group LLC | 158 | $2.19K | 0.00% | −1,225−88.6% | Reduced |
| Sittner & Nelson, LLC | 155 | $2.15K | 0.00% | 00.0% | Unchanged |
| IFP Advisors, Inc | 132 | $1.83K | 0.00% | +132 | New |
| GAMMA Investing LLC | 127 | $1.76K | 0.00% | +60+89.6% | Added |
| Albion Financial Group | 125 | $1.73K | 0.00% | 00.0% | Unchanged |
| Caitong International Asset Management Co., Ltd | 115 | $1.59K | 0.00% | +115 | New |
| Private Wealth Management Group, LLC | 104 | $1.44K | 0.00% | −126−54.8% | Reduced |
| EverSource Wealth Advisors, LLC | 104 | $1.44K | 0.00% | +9+9.5% | Added |
| Harbor Investment Advisory, LLC | 100 | $1.39K | 0.00% | 00.0% | Unchanged |
| Gould Capital, LLC | 100 | $1.39K | 0.00% | 00.0% | Unchanged |
| CVA Family Office, LLC | 72 | $997 | 0.00% | −22−23.4% | Reduced |
| Parallel Advisors, LLC | 70 | $970 | 0.00% | +70 | New |
| Truvestments Capital LLC | 68 | $942 | 0.00% | 00.0% | Unchanged |
| CIBC Private Wealth Group, LLC | 49 | $694 | 0.00% | 00.0% | Unchanged |
| Rothschild Investment LLC | 35 | $485 | 0.00% | −5−12.5% | Reduced |
| Huntington National Bank | 34 | $471 | 0.00% | +34 | New |
| Cassady Schiller Wealth Management, LLC | 34 | $471 | 0.00% | +34 | New |
| Larson Financial Group LLC | 31 | $429 | 0.00% | +31 | New |
| POM Investment Strategies, LLC | 24 | $332 | 0.00% | 00.0% | Unchanged |
| CoreCap Advisors, LLC | 23 | $319 | 0.00% | 00.0% | Unchanged |
| Allworth Financial LP | 21 | $304 | 0.00% | −23−52.3% | Reduced |
| Massmutual Trust Co FSB | 20 | $277 | 0.00% | +14+233.3% | Added |
| Key Financial Inc | 12 | $166 | 0.00% | 00.0% | Unchanged |
| Lowe Wealth Advisors, LLC | 10 | $139 | 0.00% | 00.0% | Unchanged |
| Colonial Trust Advisors | 7 | $97 | 0.00% | +7 | New |
| Clearstead Advisors, LLC | 4 | $56 | 0.00% | 00.0% | Unchanged |
| Hallmark Capital Management Inc | 3 | $42 | 0.00% | 00.0% | Unchanged |
| Whittier Trust Co of Nevada Inc | 3 | $41 | 0.00% | 00.0% | Unchanged |
| CBIZ Investment Advisory Services, LLC | 2 | $28 | 0.00% | +2 | New |
| Harbour Investments, Inc. | 1 | $14 | 0.00% | 00.0% | Unchanged |
| Sandy Spring Bank | 0 | $4 | 0.00% | 0 | New |
| Covestor Ltd | 4 | $0 | 0.00% | 00.0% | Unchanged |
| Boxer Capital, LLC | 0 | $0 | 0.00% | −690,000−100.0% | Sold out |
| Granahan Investment Management Inc | 0 | $0 | 0.00% | −312,520−100.0% | Sold out |
| Deep Track Capital, LP | 0 | $0 | 0.00% | −140,000−100.0% | Sold out |
| Algert Global LLC | 0 | $0 | 0.00% | −72,961−100.0% | Sold out |
| Schonfeld Strategic Advisors LLC | 0 | $0 | 0.00% | −62,272−100.0% | Sold out |
| Capula Management Ltd | 0 | $0 | 0.00% | −43,197−100.0% | Sold out |
| Lazard Asset Management LLC | 0 | $0 | 0.00% | −42,173−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −41,809−100.0% | Sold out |
| Primecap Management Co | 0 | $0 | 0.00% | −35,500−100.0% | Sold out |
| Jump Financial, LLC | 0 | $0 | 0.00% | −32,407−100.0% | Sold out |
| Gsa Capital Partners LLP | 0 | $0 | 0.00% | −28,941−100.0% | Sold out |
| Sherbrooke Park Advisers LLC | 0 | $0 | 0.00% | −27,582−100.0% | Sold out |
| State of Wisconsin Investment Board | 0 | $0 | 0.00% | −27,401−100.0% | Sold out |
| Dynamic Technology Lab Private Ltd | 0 | $0 | 0.00% | −25,764−100.0% | Sold out |
| Brevan Howard Capital Management LP | 0 | $0 | 0.00% | −20,573−100.0% | Sold out |
| Brinker Capital Investments, LLC | 0 | $0 | 0.00% | −17,531−100.0% | Sold out |
| Orion Portfolio Solutions, LLC | 0 | $0 | 0.00% | −17,531−100.0% | Sold out |
| Teachers Retirement System of the State of Kentucky | 0 | $0 | 0.00% | −14,039−100.0% | Sold out |
| Qube Research & Technologies Ltd | 0 | $0 | 0.00% | −13,320−100.0% | Sold out |
| Systematic Financial Management LP | 0 | $0 | 0.00% | −8,125−100.0% | Sold out |
| Catalyst Funds Management Pty Ltd | 0 | $0 | 0.00% | −6,700−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −5,977−100.0% | Sold out |
| Danske Bank A/S | 0 | $0 | 0.00% | −1,400−100.0% | Sold out |
| Byrne Asset Management LLC | 0 | $0 | 0.00% | −760−100.0% | Sold out |
| Smartleaf Asset Management LLC | 0 | $0 | 0.00% | −269−100.0% | Sold out |
| Cornerstone Planning Group LLC | 0 | $0 | 0.00% | −110−100.0% | Sold out |
| Allspring Global Investments Holdings, LLC | 0 | $0 | 0.00% | −73−100.0% | Sold out |
| Bessemer Group Inc | 0 | $0 | 0.00% | −55−100.0% | Sold out |