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Prothena Corporation plc (PRTA)

NasdaqGS - NasdaqGS Real Time Price. Currency in USD
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22.00-1.03 (-4.47%)
At close: 04:00PM EDT
22.00 0.00 (0.00%)
After hours: 04:20PM EDT
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Major Holders

Currency in USD
Breakdown
12.44%% of Shares Held by All Insider
99.96%% of Shares Held by Institutions
114.15%% of Float Held by Institutions
272Number of Institutions Holding Shares

Top Institutional Holders

HolderSharesDate Reported% OutValue
EcoR1 Capital, LLC11,584,280Dec 30, 202321.56%254,854,160
FMR, LLC8,049,796Dec 30, 202314.98%177,095,512
Price (T.Rowe) Associates Inc4,237,351Dec 30, 20237.89%93,221,722
Blackrock Inc.3,770,650Dec 30, 20237.02%82,954,300
State Street Corporation2,758,564Dec 30, 20235.14%60,688,408
Wellington Management Group, LLP2,594,102Dec 30, 20234.83%57,070,244
Janus Henderson Group PLC2,035,984Dec 30, 20233.79%44,791,648
Palo Alto Investors Lp1,660,057Dec 30, 20233.09%36,521,254
First Light Asset Management, LLC1,088,801Dec 30, 20232.03%23,953,622
Vanguard Group Inc1,070,555Dec 30, 20231.99%23,552,210

Top Mutual Fund Holders

HolderSharesDate Reported% OutValue
SPDR (R) Ser Tr-SPDR (R) S&P (R) Biotech ETF2,541,752Mar 30, 20244.73%55,918,544
Vanguard Specialized-Health Care Fund2,394,263Jan 30, 20244.46%52,673,786
Fidelity Growth Company Fund2,345,924Mar 30, 20244.37%51,610,328
Price (T.Rowe) New Horizons Fund1,763,914Dec 30, 20233.28%38,806,108
iShares Russell 2000 ETF1,031,282Mar 30, 20241.92%22,688,204
Price (T.Rowe) Health Sciences Fund847,697Dec 30, 20231.58%18,649,334
Fidelity Growth Company K6 Fund835,101Mar 30, 20241.55%18,372,222
Fidelity Select Portfolios - Biotechnology801,417Mar 30, 20241.49%17,631,174
Fidelity Series Growth Company Fund749,705Mar 30, 20241.40%16,493,510
Janus Henderson Global Life Sciences Fund583,761Dec 30, 20231.09%12,842,742