Prothena Corp.PRTA
13F holders, Q1 2024 (March 31)169holders
3famous investors
$24.78avg. 13F price*
At the end of Q1 2024, 169 institutions reported holding Prothena Corp. PLC (PRTA) in their 13F filings. The largest holders were EcoR1 Capital, LLC ($286.9M), FMR LLC ($198.3M) and T. Rowe Price Associates Inc. ($104.1M). 3 famous investors held it, including Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio), Israel Englander (0.0% of Millennium Management's portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- Prothena Corp. PLC
- CUSIP
- G72800108
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2024
| Institutions | Total Value | |
|---|---|---|
| New Positions | 24 | $4.9M |
| Exits | 41 | $70.2M |
Ownership 169 holders
| EcoR1 Capital, LLC | 7.29% | No change | 11,584,280 | $286.9M |
| FMR LLC | 0.01% | Reduce -0.5% | 8,006,411 | $198.3M |
| T. Rowe Price Associates Inc. | 0.01% | Reduce -0.8% | 4,201,771 | $104.1M |
| Wellington Management Group LLP | 0.02% | Add +44.6% | 3,752,147 | $92.9M |
| BlackRock Inc. | 0.00% | Reduce -1.4% | 3,718,813 | $92.1M |
| State Street Corp. | 0.00% | Add +25.9% | 3,473,996 | $86.1M |
| Palo Alto Investors LP | 4.65% | Add +0.2% | 1,663,448 | $41.2M |
| Janus Henderson Group PLC | 0.02% | Reduce -35.7% | 1,309,590 | $32.4M |
| Vanguard Group Inc. | 0.00% | Add +5.1% | 1,125,283 | $27.9M |
| Armistice Capital, LLC | 0.72% | Add +294.2% | 1,096,000 | $27.1M |
| Artal Group S.A. | 0.64% | Add +99.7% | 1,001,360 | $24.8M |
| Geode Capital Management, LLC | 0.00% | Add +2.1% | 924,580 | $22.9M |
| Dimensional Fund Advisors LP | 0.01% | Reduce -0.6% | 862,832 | $21.4M |
| Boxer Capital, LLC | 0.84% | Add +3.8% | 690,000 | $17.1M |
| Morgan Stanley | 0.00% | Add +35.3% | 652,468 | $16.2M |
| Rock Springs Capital Management LP | 0.39% | No change | 625,048 | $15.5M |
| First Light Asset Management, LLC | 0.84% | Reduce -59.1% | 444,953 | $11.0M |
| Finepoint Capital LP | 2.65% | Add +15.2% | 402,400 | $10.0M |
| Northern Trust Corp. | 0.00% | Reduce -1.7% | 397,263 | $9.8M |
| Renaissance Technologies | 0.02% | Add +16.1% | 389,700 | $9.7M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Add +28.5% | 375,165 | $9.3M |
| Granahan Investment Management, LLC | 0.29% | Reduce -19.9% | 333,920 | $8.3M |
| Millennium Management | 0.01% | Add +755.8% | 322,241 | $8.0M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +1.8% | 318,905 | $7.9M |
| Goldman Sachs Group Inc. | 0.00% | Reduce -7.5% | 308,887 | $7.7M |
| Rafferty Asset Management, LLC | 0.03% | Add +46.3% | 303,455 | $7.5M |
| JPMorgan Chase & Co. | 0.00% | Reduce -16.9% | 298,091 | $7.4M |
| Citigroup Inc. | 0.01% | Add +196.7% | 259,872 | $6.4M |
| Nuveen Asset Management, LLC | 0.00% | Reduce -19.2% | 243,022 | $6.0M |
| Bank of America Corp. | 0.00% | Reduce -16.4% | 240,343 | $6.0M |
| Citadel Advisors | 0.01% | Add +69.5% | 234,926 | $5.8M |
| UBS Group AG | 0.00% | Add +50.0% | 198,680 | $4.9M |
| Qube Research & Technologies Ltd | 0.01% | Reduce -4.0% | 195,446 | $4.8M |
| Mariner, LLC | 0.01% | Reduce -0.8% | 176,966 | $4.4M |
| Prosight Management, LP | 1.17% | Reduce -25.7% | 170,469 | $4.2M |
| Birchview Capital, LP | 3.42% | No change | 169,574 | $4.2M |
| Systematic Financial Management LP | 0.11% | Add +2.8% | 153,992 | $3.8M |
| Bank of New York Mellon Corp | 0.00% | Reduce -67.0% | 145,845 | $3.6M |
| Cubist Systematic Strategies, LLC | 0.04% | Add +1269.8% | 135,321 | $3.4M |
| Connor, Clark & Lunn Investment Management Ltd. | 0.01% | Reduce -15.4% | 131,905 | $3.3M |
| Pinnacle Associates Ltd. | 0.05% | Reduce -0.4% | 125,264 | $3.1M |
| AXA S.A. | 0.01% | Add +0.0% | 120,650 | $3.0M |
| TD Asset Management Inc | 0.00% | Reduce -20.6% | 116,338 | $2.9M |
| DCF Advisers, LLC | 1.63% | Add +27.4% | 107,000 | $2.7M |
| Manufacturers Life Insurance Company, The | 0.00% | Reduce -3.5% | 82,581 | $2.0M |
| Swiss National Bank | 0.00% | No change | 79,200 | $2.0M |
| Rhumbline Advisers | 0.00% | Add +2.5% | 63,500 | $1.6M |
| Credit Suisse AG/ | 0.00% | Add +1.5% | 60,202 | $1.5M |
| Susquehanna International Group, LLP | 0.00% | Add +78.5% | 59,980 | $1.5M |
| Barclays PLC | 0.00% | Reduce -59.1% | 58,332 | $1.4M |
| Norges Bank | 0.00% | Reduce -45.0% | 57,454 | $1.4M |
| Pier Capital, LLC | 0.19% | Add +0.3% | 57,020 | $1.4M |
| Jane Street Group, LLC | 0.00% | Reduce -70.6% | 54,396 | $1.3M |
| Wells Fargo & Company | 0.00% | Add +11.1% | 51,049 | $1.3M |
| Thrivent Financial for Lutherans | 0.00% | New | 49,543 | $1.2M |
| Algert Global LLC | 0.05% | Reduce -1.8% | 48,350 | $1.2M |
| Profund Advisors LLC | 0.05% | Add +38.9% | 46,878 | $1.2M |
| Alliancebernstein L.P. | 0.00% | No change | 46,746 | $1.2M |
| RBF Capital, LLC | 0.06% | No change | 45,362 | $1.1M |
| Guggenheim Capital LLC | 0.01% | Add +89.3% | 44,400 | $1.1M |
| Mirae Asset Global Investments Co., Ltd. | 0.00% | Add +0.6% | 27,912 | $1.1M |
| Voya Investment Management LLC | 0.00% | Reduce -5.6% | 43,674 | $1.1M |
| Platinum Investment Management Ltd. | 0.04% | No change | 41,508 | $1.0M |
| Seven Eight Capital, LP | 0.11% | Reduce -27.8% | 41,120 | $1.0M |
| Invesco Ltd. | 0.00% | Add +52.2% | 40,504 | $1.0M |
| California State Teachers Retirement System | 0.00% | Reduce -5.3% | 40,442 | $1.0M |
| Legal & General Group Plc | 0.00% | Add +1.2% | 38,875 | $963K |
| Alps Advisors Inc. | 0.01% | Add +3.7% | 37,889 | $939K |
| Primecap Management Co. | 0.00% | New | 36,500 | $904K |
| State of Wisconsin Investment Board | 0.00% | Add +1.2% | 33,159 | $821K |
| Fred Alger Management, LLC | 0.00% | Reduce -2.2% | 32,996 | $817K |
| New York State Common Retirement Fund | 0.00% | Reduce -3.9% | 32,350 | $801K |
| BNP Paribas Financial Markets | 0.00% | Reduce -65.3% | 32,253 | $799K |
| Deutsche Bank AG | 0.00% | Add +43.7% | 31,897 | $790K |
| Man Group plc | 0.00% | Reduce -8.4% | 29,679 | $735K |
| Jump Financial, LLC | 0.02% | Add +332.9% | 27,951 | $692K |
| Bank of Montreal | 0.00% | New | 24,880 | $622K |
| Edgewood Management LLC | 0.00% | No change | 24,060 | $596K |
| State Board of Administration of Florida Retirement System | 0.00% | Reduce -5.3% | 11,286 | $547K |
| MetLife Investment Management, LLC | 0.00% | No change | 21,852 | $541K |
| American International Group, Inc. | 0.00% | Reduce -0.8% | 20,795 | $515K |
| HighTower Advisors, LLC | 0.00% | Reduce -0.6% | 18,615 | $459K |
| SG Americas Securities, LLC | 0.00% | Reduce -87.7% | 16,720 | $414K |
| Ensign Peak Advisors, Inc | 0.00% | Reduce -79.5% | 16,593 | $411K |
| HighMark Wealth Management LLC | 0.25% | Add +124.5% | 16,502 | $409K |
| Schroder Investment Management Group | 0.00% | Add +2.1% | 15,771 | $391K |
| New York Life Investment Management LLC | 0.00% | New | 14,407 | $357K |
| E Fund Management Co., Ltd. | 0.02% | Add +29.2% | 14,340 | $355K |
| DekaBank Deutsche Girozentrale | 0.00% | No change | 14,000 | $351K |
| Teachers Retirement System of the State of Kentucky | 0.00% | Add +26.0% | 14,039 | $348K |
| Susquehanna Fundamental Investments, LLC | 0.02% | New | 13,818 | $342K |
| Axq Capital, LP | 0.08% | Add +91.1% | 13,416 | $332K |
| Principal Financial Group Inc. | 0.00% | Reduce -62.1% | 11,737 | $291K |
| ProShare Advisors LLC | 0.00% | Add +8.9% | 11,346 | $281K |
| Arizona State Retirement System | 0.00% | Reduce -1.5% | 11,061 | $274K |
| GTS Securities LLC | 0.01% | New | 10,944 | $271K |
| China Universal Asset Management Co., Ltd. | 0.03% | Add +67.0% | 10,360 | $257K |
| Orion Porfolio Solutions, LLC | 0.00% | Add +8.5% | 10,158 | $252K |
| Orion Portfolio Solutions, LLC | 0.00% | Add +8.5% | 10,158 | $252K |
| Focused Wealth Management, Inc | 0.04% | Add +7751.9% | 10,129 | $251K |
| STRS Ohio | 0.00% | Reduce -5.6% | 10,100 | $250K |
| Aigen Investment Management, LP | 0.05% | New | 9,901 | $245K |
| Handelsbanken Fonder AB | 0.00% | Reduce -84.7% | 9,400 | $233K |
| Atom Investors LP | 0.03% | New | 9,303 | $230K |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 0.00% | Reduce -5.4% | 9,050 | $224K |
| Teacher Retirement System of Texas | 0.00% | Reduce -3.4% | 8,956 | $222K |
| Point72 (DIFC) Ltd | 0.02% | — | 8,918 | $221K |
| Two Sigma Advisers, LP | 0.00% | Reduce -94.3% | 8,300 | $206K |
| Creative Planning | 0.00% | New | 8,260 | $205K |
| Simplex Trading, LLC | 0.01% | New | 7,218 | $178K |
| Public Employees Retirement Association of Colorado | 0.00% | No change | 6,552 | $162K |
| ADAR1 Capital Management, LLC | 0.04% | Reduce -1.9% | 5,988 | $148K |
| Royal Bank of Canada | 0.00% | Reduce -44.2% | 5,514 | $135K |
| Ameritas Investment Partners, Inc. | 0.00% | No change | 4,368 | $108K |
| Headlands Technologies LLC | 0.02% | New | 3,881 | $96K |
| Cutler Group LLC / CA | 0.05% | New | 3,700 | $91K |
| Metropolitan Life Insurance Co | 0.00% | Reduce -3.0% | 2,317 | $57K |
| Group One Trading LLC | 0.00% | Reduce -91.6% | 2,296 | $57K |
| Virtus Advisers, LLC | 0.03% | Reduce -6.3% | 2,223 | $55K |
| Allspring Global Investments Holdings, LLC | 0.00% | Add +9.1% | 2,124 | $53K |
| Osaic Holdings, Inc. | 0.00% | Reduce -49.3% | 2,076 | $51K |
| KBC Group NV | 0.00% | Add +70.0% | 1,581 | $39K |
| PNC Financial Services Group, Inc. | 0.00% | Reduce -1.1% | 1,527 | $38K |
| Amalgamated Bank | 0.00% | Reduce -76.2% | 1,440 | $36K |
| Pacer Advisors, Inc. | 0.00% | New | 1,410 | $35K |
| Quantbot Technologies LP | 0.00% | New | 1,300 | $32K |
| Walleye Capital LLC | 0.00% | New | 1,219 | $30K |
| Aquatic Capital Management LLC | 0.00% | Reduce -82.6% | 1,200 | $30K |
| US Bancorp \de | 0.00% | Reduce -2.5% | 1,132 | $28K |
| Cwm, LLC | 0.00% | Add +252.1% | 1,095 | $27K |
| Quadrant Capital Group LLC | 0.00% | Add +4952.6% | 960 | $24K |
| Nisa Investment Advisors, LLC | 0.00% | Add +5.6% | 950 | $24K |
| Byrne Asset Management LLC | 0.01% | Add +126.7% | 680 | $17K |
| Riverview Trust Co | 0.01% | New | 659 | $16K |
| Tower Research Capital LLC (TRC) | 0.00% | Reduce -88.4% | 584 | $14K |
| Summit Securities Group LLC | 0.01% | Reduce -50.0% | 500 | $12K |
| Signaturefd, LLC | 0.00% | Add +25.7% | 474 | $12K |
| Farther Finance Advisors, LLC | 0.00% | Reduce -4.2% | 368 | $10K |
| Asset Dedication, LLC | 0.00% | No change | 184 | $5K |
| Daiwa Securities Group Inc. | 0.00% | No change | 195 | $5K |
| MeadowBrook Investment Advisors LLC | 0.00% | No change | 200 | $5K |
| Huntington National Bank | 0.00% | Add +150.6% | 198 | $5K |
| Kelly Financial Services LLC | 0.00% | No change | 182 | $5K |
| Sittner & Nelson, LLC | 0.00% | No change | 155 | $4K |
| Lindbrook Capital, LLC | 0.00% | Add +220.4% | 141 | $3K |
| Russell Investments Group, Ltd. | 0.00% | Reduce -66.0% | 130 | $3K |
| Albion Financial Group | 0.00% | No change | 125 | $3K |
| Truvestments Capital LLC | 0.00% | No change | 108 | $3K |
| Gould Capital, LLC | 0.00% | No change | 100 | $2K |
| Harbor Investment Advisory, LLC | 0.00% | No change | 100 | $2K |
| Allworth Financial LP | 0.00% | Reduce -31.5% | 87 | $2K |
| EverSource Wealth Advisors, LLC | 0.00% | Add +1.1% | 94 | $2K |
| GAMMA Investing LLC | 0.00% | Add +45.0% | 58 | $1K |
| CIBC Private Wealth Group LLC | 0.00% | New | 49 | $1K |
| Caldwell Trust Co | 0.00% | New | 51 | $1K |
| POM Investment Strategies, LLC | 0.00% | No change | 24 | $594 |
| CoreCap Advisors, LLC | 0.00% | New | 23 | $570 |
| NewEdge Advisors, LLC | 0.00% | Reduce -76.4% | 17 | $420 |
| Private Wealth Management Group, LLC | 0.00% | Reduce -36.0% | 16 | $397 |
| Parallel Advisors, LLC | 0.00% | New | 12 | $297 |
| Lowe Wealth Advisors, LLC | 0.00% | No change | 10 | $248 |
| Avior Wealth Management, LLC | 0.00% | New | 9 | $222 |
| Rothschild Investment LLC | 0.00% | New | 5 | $124 |
| Register Financial Advisors LLC | 0.00% | New | 4 | $99 |
| First Manhattan Co. Llc. | 0.00% | New | 3 | $74 |
| Whittier Trust Co. of Nevada Inc. | 0.00% | No change | 3 | $74 |
| JFS Wealth Advisors, LLC | 0.00% | Reduce -50.0% | 2 | $50 |
| Harbour Investments, Inc. | 0.00% | No change | 1 | $25 |
| Covestor Ltd | 0.00% | Add +33.3% | 4 | $0 |
"% of holder's portfolio" is PRTA's weight in each manager's 13F, not the share of Prothena Corp. PLC the manager owns.