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, 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 |
|---|---|---|---|---|---|
| Covestor Ltd | 4 | $0 | 0.00% | 00.0% | Unchanged |
| Sandy Spring Bank | 0 | $4 | 0.00% | 0 | New |
| Harbour Investments, Inc. | 1 | $14 | 0.00% | 00.0% | Unchanged |
| CBIZ Investment Advisory Services, LLC | 2 | $28 | 0.00% | +2 | New |
| Whittier Trust Co of Nevada Inc | 3 | $41 | 0.00% | 00.0% | Unchanged |
| Hallmark Capital Management Inc | 3 | $42 | 0.00% | 00.0% | Unchanged |
| Clearstead Advisors, LLC | 4 | $56 | 0.00% | 00.0% | Unchanged |
| Colonial Trust Advisors | 7 | $97 | 0.00% | +7 | New |
| Lowe Wealth Advisors, LLC | 10 | $139 | 0.00% | 00.0% | Unchanged |
| Key Financial Inc | 12 | $166 | 0.00% | 00.0% | Unchanged |
| Massmutual Trust Co FSB | 20 | $277 | 0.00% | +14+233.3% | Added |
| Allworth Financial LP | 21 | $304 | 0.00% | −23−52.3% | Reduced |
| CoreCap Advisors, LLC | 23 | $319 | 0.00% | 00.0% | Unchanged |
| POM Investment Strategies, LLC | 24 | $332 | 0.00% | 00.0% | Unchanged |
| Larson Financial Group LLC | 31 | $429 | 0.00% | +31 | New |
| Huntington National Bank | 34 | $471 | 0.00% | +34 | New |
| Cassady Schiller Wealth Management, LLC | 34 | $471 | 0.00% | +34 | New |
| Rothschild Investment LLC | 35 | $485 | 0.00% | −5−12.5% | Reduced |
| CIBC Private Wealth Group, LLC | 49 | $694 | 0.00% | 00.0% | Unchanged |
| Truvestments Capital LLC | 68 | $942 | 0.00% | 00.0% | Unchanged |
| Parallel Advisors, LLC | 70 | $970 | 0.00% | +70 | New |
| CVA Family Office, LLC | 72 | $997 | 0.00% | −22−23.4% | Reduced |
| Harbor Investment Advisory, LLC | 100 | $1.39K | 0.00% | 00.0% | Unchanged |
| Gould Capital, LLC | 100 | $1.39K | 0.00% | 00.0% | Unchanged |
| 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 |
| Caitong International Asset Management Co., Ltd | 115 | $1.59K | 0.00% | +115 | New |
| Albion Financial Group | 125 | $1.73K | 0.00% | 00.0% | Unchanged |
| GAMMA Investing LLC | 127 | $1.76K | 0.00% | +60+89.6% | Added |
| IFP Advisors, Inc | 132 | $1.83K | 0.00% | +132 | New |
| Sittner & Nelson, LLC | 155 | $2.15K | 0.00% | 00.0% | Unchanged |
| Quadrant Capital Group LLC | 158 | $2.19K | 0.00% | −1,225−88.6% | Reduced |
| Skopos Labs, Inc. | 161 | $2.23K | 0.00% | +161 | New |
| Asset Dedication, LLC | 184 | $2.55K | 0.00% | 00.0% | Unchanged |
| Evelyn Partners Investment Management LLP | 199 | $2.76K | 0.00% | +199 | New |
| MeadowBrook Investment Advisors LLC | 200 | $2.77K | 0.00% | 00.0% | Unchanged |
| Daiwa Securities Group Inc. | 195 | $3.00K | 0.00% | 00.0% | Unchanged |
| Manchester Capital Management LLC | 250 | $3.46K | 0.00% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 259 | $3.58K | 0.00% | −588−69.4% | Reduced |
| Aster Capital Management (DIFC) Ltd | 288 | $3.99K | 0.00% | −67−18.9% | Reduced |
| Signaturefd, LLC | 352 | $4.88K | 0.00% | −549−60.9% | Reduced |
| Farther Finance Advisors, LLC | 353 | $4.89K | 0.00% | −22−5.9% | Reduced |
| The PNC Financial Services Group, Inc. | 416 | $5.76K | 0.00% | −270−39.4% | Reduced |
| Sterling Capital Management LLC | 594 | $8.23K | 0.00% | +503+552.7% | Added |
| Versant Capital Management, Inc | 629 | $8.71K | 0.00% | +304+93.5% | Added |
| Lindbrook Capital, LLC | 677 | $9.38K | 0.00% | +574+557.3% | Added |
| Ronald Blue Trust, Inc. | 711 | $9.85K | 0.00% | +658+1,241.5% | Added |
| HM Payson & Co | 800 | $11.1K | 0.00% | +800 | New |
| US Bancorp | 861 | $11.9K | 0.00% | +62+7.8% | Added |
| Russell Investments Group, Ltd. | 881 | $12.2K | 0.00% | −114−11.5% | Reduced |
| SBI Securities Co., Ltd. | 972 | $13.5K | 0.00% | +972 | New |
| Nisa Investment Advisors, LLC | 980 | $13.6K | 0.00% | −235−19.3% | Reduced |
| GF Fund Management Co. Ltd. | 1,130 | $15.7K | 0.00% | +1,130 | New |
| CWM, LLC | 1,189 | $16.0K | 0.00% | +644+118.2% | Added |
| Amalgamated Bank | 1,440 | $20.0K | 0.00% | 00.0% | Unchanged |
| Mirae Asset Global Investments Co., Ltd. | 1,793 | $27.1K | 0.00% | −152−7.8% | Reduced |
| Amundi | 1,954 | $27.7K | 0.00% | −11,732−85.7% | Reduced |
| STRS Ohio | 3,600 | $49.9K | 0.00% | −7,600−67.9% | Reduced |
| Ameritas Investment Partners, Inc. | 4,368 | $60.5K | 0.00% | 00.0% | Unchanged |
| Acadian Asset Management LLC | 4,565 | $63.0K | 0.00% | +4,565 | New |
| Group One Trading, L.P. | 4,824 | $66.8K | 0.00% | −2,610−35.1% | Reduced |
| Virtus ETF Advisers LLC | 5,148 | $71.3K | 0.03% | +833+19.3% | Added |
| Public Employees Retirement Association of Colorado | 6,552 | $91.0K | 0.00% | 00.0% | Unchanged |
| Royal Bank of Canada | 6,904 | $96.0K | 0.00% | −1,990−22.4% | Reduced |
| Headlands Technologies LLC | 7,330 | $101.5K | 0.01% | +4,858+196.5% | Added |
| Police & Firemen's Retirement System of New Jersey | 10,113 | $140.1K | 0.00% | +10,113 | New |
| Arizona State Retirement System | 10,136 | $140.4K | 0.00% | +72+0.7% | Added |
| Teacher Retirement System of Texas | 10,434 | $145.0K | 0.00% | +10,434 | New |
| Purkiss Capital Advisors LLC | 10,729 | $148.6K | 0.13% | +10,729 | New |
| HighMark Wealth Management LLC | 11,168 | $154.7K | 0.09% | −5,334−32.3% | Reduced |
| China Universal Asset Management Co., Ltd. | 11,409 | $158.0K | 0.01% | +1,065+10.3% | Added |
| Chicago Partners Investment Group LLC | 11,197 | $158.6K | 0.01% | +11,197 | New |
| Wolverine Trading, LLC | 11,162 | $166.1K | 0.00% | +11,162 | New |
| Cary Street Partners Financial LLC | 12,500 | $173.1K | 0.01% | +12,500 | New |
| Voya Investment Management LLC | 12,829 | $177.7K | 0.00% | −1,128−8.1% | Reduced |
| KLP Kapitalforvaltning AS | 12,900 | $178.7K | 0.00% | +12,900 | New |
| Raymond James Financial Inc | 13,111 | $181.6K | 0.00% | +13,111 | New |
| New York State Common Retirement Fund | 14,279 | $197.8K | 0.00% | 00.0% | Unchanged |
| ProShare Advisors LLC | 14,524 | $201.2K | 0.00% | +3,312+29.5% | Added |
| Walleye Capital LLC | 14,953 | $207.1K | 0.00% | +14,953 | New |
| DekaBank Deutsche Girozentrale | 14,000 | $208.0K | 0.00% | 00.0% | Unchanged |
| Profund Advisors LLC | 15,212 | $210.7K | 0.01% | +2,551+20.1% | Added |
| State Board of Administration of Florida Retirement System | 15,386 | $213.1K | 0.00% | 00.0% | Unchanged |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 16,030 | $222.0K | 0.00% | +5,794+56.6% | Added |
| Creative Planning | 16,061 | $222.4K | 0.00% | −4,846−23.2% | Reduced |
| Schroder Investment Management Group | 15,000 | $223.2K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 16,826 | $233.0K | 0.00% | +11,369+208.3% | Added |
| Janus Henderson Group PLC | 18,047 | $249.4K | 0.00% | 00.0% | Unchanged |
| XTX Topco Ltd | 18,665 | $258.5K | 0.02% | +3,101+19.9% | Added |
| Cresset Asset Management, LLC | 19,434 | $269.2K | 0.00% | −4,991−20.4% | Reduced |
| Foundation Wealth Management, LLC | 19,471 | $269.7K | 0.21% | +19,471 | New |
| Franklin Resources Inc | 19,687 | $272.7K | 0.00% | +19,687 | New |
| Handelsbanken Fonder AB | 20,900 | $289.0K | 0.00% | +5,500+35.7% | Added |
| Corebridge Financial, Inc. | 21,140 | $292.8K | 0.00% | −1,596−7.0% | Reduced |
| Ensign Peak Advisors, Inc | 21,643 | $299.8K | 0.00% | 00.0% | Unchanged |
| Intech Investment Management LLC | 22,383 | $310.0K | 0.00% | +9,828+78.3% | Added |
| HSBC Holdings PLC | 24,179 | $323.0K | 0.00% | +9,101+60.4% | Added |
| Caption Management, LLC | 24,000 | $332.4K | 0.01% | +24,000 | New |
| Edgewood Management LLC | 24,060 | $333.2K | 0.00% | 00.0% | Unchanged |
| Susquehanna International Group, LLP | 25,269 | $350.0K | 0.00% | −22,164−46.7% | Reduced |