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Prothena Corporation plc (PRTA)

NasdaqGS - NasdaqGS Real Time Price. Currency in USD
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20.34-0.85 (-4.01%)
At close: 04:00PM EDT
20.73 +0.39 (+1.92%)
After hours: 04:56PM EDT
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Major Holders

Currency in USD
Breakdown
12.44%% of Shares Held by All Insider
100.36%% of Shares Held by Institutions
114.61%% of Float Held by Institutions
272Number of Institutions Holding Shares

Top Institutional Holders

HolderSharesDate Reported% OutValue
EcoR1 Capital, LLC11,584,280Dec 30, 202321.56%235,624,256
FMR, LLC8,049,796Dec 30, 202314.98%163,732,851
Price (T.Rowe) Associates Inc4,237,351Dec 30, 20237.89%86,187,719
Blackrock Inc.3,770,650Dec 30, 20237.02%76,695,021
State Street Corporation2,758,564Dec 30, 20235.14%56,109,192
Wellington Management Group, LLP2,594,102Dec 30, 20234.83%52,764,035
Janus Henderson Group PLC2,035,984Dec 30, 20233.79%41,411,914
Palo Alto Investors Lp1,660,057Dec 30, 20233.09%33,765,559
First Light Asset Management, LLC1,088,801Dec 30, 20232.03%22,146,212
Vanguard Group Inc1,070,555Dec 30, 20231.99%21,775,088

Top Mutual Fund Holders

HolderSharesDate Reported% OutValue
Vanguard Specialized-Health Care Fund2,394,263Jan 30, 20244.46%48,699,309
Fidelity Growth Company Fund2,339,565Feb 28, 20244.36%47,586,752
SPDR (R) Ser Tr-SPDR (R) S&P (R) Biotech ETF1,949,518Feb 28, 20243.63%39,653,196
Price (T.Rowe) New Horizons Fund1,763,914Dec 30, 20233.28%35,878,011
iShares Russell 2000 ETF1,031,282Mar 30, 20241.92%20,976,276
Price (T.Rowe) Health Sciences Fund847,697Dec 30, 20231.58%17,242,157
Fidelity Growth Company K6 Fund823,460Feb 28, 20241.53%16,749,176
Fidelity Select Portfolios - Biotechnology801,417Feb 28, 20241.49%16,300,821
Fidelity Series Growth Company Fund746,305Feb 28, 20241.39%15,179,843
Janus Henderson Global Life Sciences Fund583,761Dec 30, 20231.09%11,873,698