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Prothena Corporation plc (PRTA)

NasdaqGS - NasdaqGS Real Time Price. Currency in USD
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22.12+1.44 (+6.96%)
As of 02:09PM EDT. Market open.
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Major Holders

Currency in USD
Breakdown
12.42%% of Shares Held by All Insider
100.26%% of Shares Held by Institutions
114.48%% of Float Held by Institutions
263Number of Institutions Holding Shares

Top Institutional Holders

HolderSharesDate Reported% OutValue
EcoR1 Capital, LLC11,584,280Dec 30, 202321.54%256,244,283
FMR, LLC8,006,411Mar 30, 202414.89%177,101,818
Price (T.Rowe) Associates Inc4,237,351Dec 30, 20237.88%93,730,207
Blackrock Inc.3,718,813Mar 30, 20246.92%82,260,146
State Street Corporation2,758,564Dec 30, 20235.13%61,019,437
Wellington Management Group, LLP2,594,102Dec 30, 20234.82%57,381,538
Janus Henderson Group PLC2,035,984Dec 30, 20233.79%45,035,967
Palo Alto Investors Lp1,660,057Dec 30, 20233.09%36,720,462
Vanguard Group Inc1,125,283Mar 30, 20242.09%24,891,260
First Light Asset Management, LLC1,088,801Dec 30, 20232.02%24,084,279

Top Mutual Fund Holders

HolderSharesDate Reported% OutValue
SPDR (R) Ser Tr-SPDR (R) S&P (R) Biotech ETF2,541,752Mar 30, 20244.73%56,223,556
Vanguard Specialized-Health Care Fund2,394,263Jan 30, 20244.45%52,961,099
Fidelity Growth Company Fund2,345,924Mar 30, 20244.36%51,891,840
Price (T.Rowe) New Horizons Fund1,763,914Dec 30, 20233.28%39,017,779
iShares Russell 2000 ETF1,031,282Mar 30, 20241.92%22,811,958
Price (T.Rowe) Health Sciences Fund847,697Dec 30, 20231.58%18,751,058
Fidelity Growth Company K6 Fund835,101Mar 30, 20241.55%18,472,434
Fidelity Select Portfolios - Biotechnology801,417Mar 30, 20241.49%17,727,344
Fidelity Series Growth Company Fund749,705Mar 30, 20241.39%16,583,475
Janus Henderson Global Life Sciences Fund583,761Dec 30, 20231.09%12,912,793