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Prothena Corporation plc (PRTA)

NasdaqGS - NasdaqGS Real-time price. Currency in USD
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21.06+0.72 (+3.52%)
As of 12:26PM EDT. Market open.
Insider roster
Insider transactions

Major holders

Currency in USD
Breakdown
12.44%% of shares held by all insiders
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, LLC11,584,28030 Dec 202321.56%243,907,018
FMR, LLC8,049,79630 Dec 202314.98%169,488,457
Price (T.Rowe) Associates Inc4,237,35130 Dec 20237.89%89,217,426
Blackrock Inc.3,770,65030 Dec 20237.02%79,391,036
State Street Corporation2,758,56430 Dec 20235.14%58,081,565
Wellington Management Group, LLP2,594,10230 Dec 20234.83%54,618,818
Janus Henderson Group PLC2,035,98430 Dec 20233.79%42,867,643
Palo Alto Investors Lp1,660,05730 Dec 20233.09%34,952,500
First Light Asset Management, LLC1,088,80130 Dec 20232.03%22,924,705
Vanguard Group Inc1,070,55530 Dec 20231.99%22,540,535

Top mutual fund holders

HolderSharesDate reported% outValue
SPDR (R) Ser Tr-SPDR (R) S&P (R) Biotech ETF2,541,75230 Mar 20244.73%53,516,589
Vanguard Specialized-Health Care Fund2,394,26330 Jan 20244.46%50,411,208
Fidelity Growth Company Fund2,339,56528 Feb 20244.36%49,259,541
Price (T.Rowe) New Horizons Fund1,763,91430 Dec 20233.28%37,139,209
iShares Russell 2000 ETF1,031,28230 Mar 20241.92%21,713,642
Price (T.Rowe) Health Sciences Fund847,69730 Dec 20231.58%17,848,260
Fidelity Growth Company K6 Fund823,46028 Feb 20241.53%17,337,950
Fidelity Select Portfolios - Biotechnology801,41728 Feb 20241.49%16,873,835
Fidelity Series Growth Company Fund746,30528 Feb 20241.39%15,713,452
Janus Henderson Global Life Sciences Fund583,76130 Dec 20231.09%12,291,088