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 2024
Institutional positions in Prothena Corp Public Ltd Co as of Jun 30, 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
- 160
- −7 vs. Q1 2024
- Shares held
- 50.8M
- −2.61M (−4.9%) vs. Q1 2024
- Total value
- $1.05B
- −$275.2M (−20.8%) vs. Q1 2024
- New holders
- 27
- 58 more added
- Sold out
- 34
- 42 more reduced
2 institutions that held it in Q1 2024 haven't filed for Q2 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 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, Q2 2024
Shares, value and share of portfolio for each institution holding Prothena Corp Public Ltd Co; share changes are against Q1 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Invesco Ltd. | 41,103 | $848.4K | 0.00% | +599+1.5% | Added |
| Alps Advisors Inc | 41,935 | $865.5K | 0.01% | +4,046+10.7% | Added |
| Jump Financial, LLC | 42,800 | $883.4K | 0.02% | +14,849+53.1% | Added |
| UBS Asset Management Americas Inc | 43,075 | $889.1K | 0.00% | −332,090−88.5% | Reduced |
| Guggenheim Capital LLC | 43,248 | $892.6K | 0.01% | −1,152−2.6% | Reduced |
| Federated Hermes, Inc. | 43,861 | $905.3K | 0.00% | +43,861 | New |
| UBS Group AG | 44,768 | $924.0K | 0.00% | −153,912−77.5% | Reduced |
| Barclays PLC | 45,306 | $935.1K | 0.00% | −13,026−22.3% | Reduced |
| RBF Capital, LLC | 45,362 | $936.3K | 0.05% | 00.0% | Unchanged |
| Walleye Capital LLC | 46,098 | $951.5K | 0.01% | +44,879+3,681.6% | Added |
| Alliancebernstein L.P. | 46,746 | $964.8K | 0.00% | 00.0% | Unchanged |
| ExodusPoint Capital Management, LP | 47,107 | $972.0K | 0.01% | +47,107 | New |
| Thrivent Financial for Lutherans | 47,515 | $980.0K | 0.00% | −2,028−4.1% | Reduced |
| SG Americas Securities, LLC | 54,572 | $1.13M | 0.01% | +37,852+226.4% | Added |
| Norges Bank | 57,454 | $1.19M | 0.00% | 00.0% | Unchanged |
| Wells Fargo & Company | 60,711 | $1.25M | 0.00% | +9,662+18.9% | Added |
| Swiss National Bank | 68,700 | $1.42M | 0.00% | −10,500−13.3% | Reduced |
| Rhumbline Advisers | 69,756 | $1.44M | 0.00% | +6,256+9.9% | Added |
| Two Sigma Investments, LP | 71,559 | $1.48M | 0.00% | +71,559 | New |
| Algert Global LLC | 77,191 | $1.59M | 0.05% | +28,841+59.7% | Added |
| Manufacturers Life Insurance Company, The | 82,908 | $1.71M | 0.00% | +327+0.4% | Added |
| Rafferty Asset Management, LLC | 97,019 | $2.00M | 0.01% | −206,436−68.0% | Reduced |
| TD Asset Management Inc | 100,694 | $2.08M | 0.00% | −15,644−13.4% | Reduced |
| PDT Partners, LLC | 102,708 | $2.12M | 0.20% | +102,708 | New |
| DCF Advisers, LLC | 107,500 | $2.22M | 1.16% | +500+0.5% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 112,826 | $2.33M | 0.01% | −19,079−14.5% | Reduced |
| Bank of America Corp | 118,864 | $2.45M | 0.00% | −121,479−50.5% | Reduced |
| AXA S.A. | 120,719 | $2.49M | 0.01% | +69+0.1% | Added |
| Jane Street Group, LLC | 121,465 | $2.51M | 0.00% | +67,069+123.3% | Added |
| Pinnacle Associates Ltd | 122,900 | $2.54M | 0.04% | −2,364−1.9% | Reduced |
| Nuveen Asset Management, LLC | 152,353 | $3.14M | 0.00% | −90,669−37.3% | Reduced |
| Bank of New York Mellon Corp | 165,423 | $3.41M | 0.00% | +19,578+13.4% | Added |
| Systematic Financial Management LP | 193,763 | $4.00M | 0.12% | +39,771+25.8% | Added |
| Mariner, LLC | 198,035 | $4.09M | 0.01% | +21,069+11.9% | Added |
| Birchview Capital, LP | 203,574 | $4.20M | 3.88% | +34,000+20.1% | Added |
| Prosight Management, LP | 286,926 | $5.92M | 1.77% | +116,457+68.3% | Added |
| JPMorgan Chase & Co | 295,965 | $6.11M | 0.00% | −2,126−0.7% | Reduced |
| Charles Schwab Investment Management Inc | 327,139 | $6.75M | 0.00% | +8,234+2.6% | Added |
| Renaissance Technologies LLC | 329,500 | $6.80M | 0.01% | −60,200−15.4% | Reduced |
| Granahan Investment Management Inc | 335,660 | $6.93M | 0.28% | +1,740+0.5% | Added |
| Goldman Sachs Group Inc | 350,130 | $7.23M | 0.00% | +41,243+13.4% | Added |
| Citadel Advisors LLC | 353,153 | $7.29M | 0.01% | +118,227+50.3% | Added |
| Northern Trust Corp | 364,106 | $7.52M | 0.00% | −33,157−8.3% | Reduced |
| Finepoint Capital LP | 433,471 | $8.95M | 2.54% | +31,071+7.7% | Added |
| Rock Springs Capital Management LP | 625,048 | $12.9M | 0.39% | 00.0% | Unchanged |
| Boxer Capital, LLC | 690,000 | $14.2M | 0.75% | 00.0% | Unchanged |
| Morgan Stanley | 810,703 | $16.7M | 0.00% | +158,235+24.3% | Added |
| Dimensional Fund Advisors LP | 861,584 | $17.8M | 0.00% | −1,248−0.1% | Reduced |
| Geode Capital Management, LLC | 994,278 | $20.5M | 0.00% | +69,698+7.5% | Added |
| Artal Group S.A. | 1,001,360 | $20.7M | 0.53% | 00.0% | Unchanged |
| Janus Henderson Group PLC | 1,026,558 | $21.2M | 0.01% | −283,032−21.6% | Reduced |
| Vanguard Group Inc | 1,171,747 | $24.2M | 0.00% | +46,464+4.1% | Added |
| Armistice Capital, LLC | 1,560,000 | $32.2M | 0.84% | +464,000+42.3% | Added |
| Palo Alto Investors LP | 1,666,378 | $34.4M | 3.99% | +2,930+0.2% | Added |
| State Street Corp | 1,932,472 | $39.9M | 0.00% | −1,541,524−44.4% | Reduced |
| Wellington Management Group LLP | 3,639,429 | $75.1M | 0.01% | −112,718−3.0% | Reduced |
| BlackRock Inc. | 3,857,079 | $79.6M | 0.00% | +138,266+3.7% | Added |
| Price T Rowe Associates Inc | 4,237,404 | $87.5M | 0.01% | +35,633+0.8% | Added |
| FMR LLC | 8,065,677 | $166.5M | 0.01% | +59,266+0.7% | Added |
| EcoR1 Capital, LLC | 11,584,280 | $239.1M | 7.32% | 00.0% | Unchanged |
| First Light Asset Management, LLC | 0 | $0 | 0.00% | −444,953−100.0% | Sold out |
| Qube Research & Technologies Ltd | 0 | $0 | 0.00% | −195,446−100.0% | Sold out |
| Cubist Systematic Strategies, LLC | 0 | $0 | 0.00% | −135,321−100.0% | Sold out |
| Pier Capital, LLC | 0 | $0 | 0.00% | −57,020−100.0% | Sold out |
| Platinum Investment Management Ltd | 0 | $0 | 0.00% | −41,508−100.0% | Sold out |
| Seven Eight Capital, LP | 0 | $0 | 0.00% | −41,120−100.0% | Sold out |
| Fred Alger Management, LLC | 0 | $0 | 0.00% | −32,996−100.0% | Sold out |
| Bank of Montreal | 0 | $0 | 0.00% | −24,880−100.0% | Sold out |
| American International Group, Inc. | 0 | $0 | 0.00% | −20,795−100.0% | Sold out |
| New York Life Investment Management LLC | 0 | $0 | 0.00% | −14,407−100.0% | Sold out |
| E Fund Management Co., Ltd. | 0 | $0 | 0.00% | −14,340−100.0% | Sold out |
| Susquehanna Fundamental Investments, LLC | 0 | $0 | 0.00% | −13,818−100.0% | Sold out |
| Axq Capital, LP | 0 | $0 | 0.00% | −13,416−100.0% | Sold out |
| Principal Financial Group Inc | 0 | $0 | 0.00% | −11,737−100.0% | Sold out |
| ProShare Advisors LLC | 0 | $0 | 0.00% | −11,346−100.0% | Sold out |
| GTS Securities LLC | 0 | $0 | 0.00% | −10,944−100.0% | Sold out |
| Aigen Investment Management, LP | 0 | $0 | 0.00% | −9,901−100.0% | Sold out |
| Atom Investors LP | 0 | $0 | 0.00% | −9,303−100.0% | Sold out |
| Teacher Retirement System of Texas | 0 | $0 | 0.00% | −8,956−100.0% | Sold out |
| Point72 (DIFC) Ltd | 0 | $0 | 0.00% | −8,918−100.0% | Sold out |
| Two Sigma Advisers, LP | 0 | $0 | 0.00% | −8,300−100.0% | Sold out |
| Creative Planning | 0 | $0 | 0.00% | −8,260−100.0% | Sold out |
| Metropolitan Life Insurance Co | 0 | $0 | 0.00% | −2,317−100.0% | Sold out |
| KBC Group NV | 0 | $0 | 0.00% | −1,581−100.0% | Sold out |
| Quantbot Technologies LP | 0 | $0 | 0.00% | −1,300−100.0% | Sold out |
| Aquatic Capital Management LLC | 0 | $0 | 0.00% | −1,200−100.0% | Sold out |
| Riverview Trust Co | 0 | $0 | 0.00% | −659−100.0% | Sold out |
| Huntington National Bank | 0 | $0 | 0.00% | −198−100.0% | Sold out |
| Truvestments Capital LLC | 0 | $0 | 0.00% | −108−100.0% | Sold out |
| Caldwell Trust Co | 0 | $0 | 0.00% | −51−100.0% | Sold out |
| GWM Advisors LLC | 0 | $0 | 0.00% | −17−100.0% | Sold out |
| Nelson, Van Denburg & Campbell Wealth Management Group, LLC | 0 | $0 | 0.00% | −9−100.0% | Sold out |
| First Manhattan Co | 0 | $0 | 0.00% | −3−100.0% | Sold out |
| JFS Wealth Advisors, LLC | 0 | $0 | 0.00% | −2−100.0% | Sold out |
| Credit Suisse AG | – | – | – | – | Not filed |
| Cutler Group LP | – | – | – | – | Not filed |