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Prothena Corporation plc (PRTA)

NasdaqGS - NasdaqGS Real Time Price. Currency in USD
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19.54-0.83 (-4.07%)
At close: 04:00PM EDT
19.54 0.00 (0.00%)
After hours: 04:20PM EDT

Major Holders

Currency in USD
Breakdown
12.42%% of Shares Held by All Insider
100.85%% of Shares Held by Institutions
115.16%% of Float Held by Institutions
256Number of Institutions Holding Shares

Top Institutional Holders

HolderSharesDate Reported% OutValue
EcoR1 Capital, LLC11,584,280Mar 30, 202421.54%226,356,841
FMR, LLC8,006,411Mar 30, 202414.89%156,445,278
Price (T.Rowe) Associates Inc4,201,771Mar 30, 20247.81%82,102,609
Wellington Management Group, LLP3,752,147Mar 30, 20246.98%73,316,955
Blackrock Inc.3,718,813Mar 30, 20246.92%72,665,609
State Street Corporation3,473,996Mar 30, 20246.46%67,881,885
Palo Alto Investors Lp1,663,448Mar 30, 20243.09%32,503,775
Janus Henderson Group PLC1,309,590Mar 30, 20242.44%25,589,389
Vanguard Group Inc1,125,283Mar 30, 20242.09%21,988,030
Armistice Capital, LLC1,096,000Mar 30, 20242.04%21,415,841

Top Mutual Fund Holders

HolderSharesDate Reported% OutValue
Vanguard Specialized-Health Care Fund2,394,263Jan 30, 20244.45%46,783,901
SPDR (R) Ser Tr-SPDR (R) S&P (R) Biotech ETF2,356,051Apr 29, 20244.38%46,037,238
Fidelity Growth Company Fund2,341,878Apr 29, 20244.36%45,760,298
Price (T.Rowe) New Horizons Fund1,903,007Mar 30, 20243.54%37,184,758
iShares Russell 2000 ETF977,664Apr 29, 20241.82%19,103,555
Fidelity Growth Company K6 Fund851,036Apr 29, 20241.58%16,629,244
Fidelity Select Portfolios - Biotechnology801,417Apr 29, 20241.49%15,659,688
Fidelity Series Growth Company Fund754,805Apr 29, 20241.40%14,748,890
Price (T.Rowe) Health Sciences Fund623,236Mar 30, 20241.16%12,178,032
Vanguard Extended Market Index Fund581,959Mar 30, 20241.08%11,371,479