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Prothena Corporation plc (PRTA)

NasdaqGS - NasdaqGS Real-time price. Currency in USD
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32.58-0.53 (-1.60%)
As of 01:06PM EDT. Market open.

Major holders

Currency in USD
5.49%% of shares held by all insiders
99.79%% of shares held by institutions
105.58%% of float held by institutions
254Number of institutions holding shares

Top institutional holders

HolderSharesDate reported% outValue
EcoR1 Capital, LLC11,584,28030 Mar 202224.75%423,637,119
Price (T.Rowe) Associates Inc6,113,74230 Mar 202213.06%223,579,544
Blackrock Inc.3,861,58630 Mar 20228.25%141,218,200
FMR, LLC2,675,61430 Mar 20225.72%97,847,203
State Street Corporation2,367,58330 Mar 20225.06%86,582,510
First Light Asset Management, LLC1,838,54830 Mar 20223.93%67,235,700
Palo Alto Investors Lp1,681,47730 Mar 20223.59%61,491,613
Dimensional Fund Advisors LP1,505,15630 Mar 20223.22%55,043,554
Vanguard Group, Inc. (The)875,30030 Mar 20221.87%32,009,721
Redmile Group, LLC736,17530 Mar 20221.57%26,921,919

Top mutual fund holders

HolderSharesDate reported% outValue
SPDR (R) Ser Tr-SPDR (R) S&P (R) Biotech ETF1,524,08429 Jun 20223.26%41,378,880
Price (T.Rowe) New Horizons Fund1,453,12630 Mar 20223.10%53,140,817
Price (T.Rowe) Small Cap Stock Fund898,85330 Mar 20221.92%32,871,054
Fidelity Select Portfolios - Biotechnology852,58930 May 20221.82%23,215,998
iShares Russell 2000 ETF801,46729 Jun 20221.71%21,759,829
Price (T.Rowe) Health Sciences Fund775,90630 Mar 20221.66%28,374,882
Fidelity Growth Company Fund649,71330 May 20221.39%17,691,684
Price (T.Rowe) Small-Cap Value Fund609,81330 Mar 20221.30%22,300,861
Price (T.Rowe) Institutional Small-Cap Stock Fund481,74430 Mar 20221.03%17,617,378
Vanguard Extended Market Index Fund476,27330 Mar 20221.02%17,417,303