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Prothena Corporation plc (PRTA)

NasdaqGS - NasdaqGS Real-time price. Currency in USD
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60.63+1.16 (+1.95%)
At close: 04:00PM EDT
60.52 -0.11 (-0.18%)
After hours: 07:57PM EDT

Major holders

Currency in USD
5.47%% of shares held by all insiders
94.32%% of shares held by institutions
99.77%% of float held by institutions
242Number of institutions holding shares

Top institutional holders

HolderSharesDate reported% outValue
EcoR1 Capital, LLC11,584,28029 Jun 202224.69%702,354,908
Price (T.Rowe) Associates Inc5,965,78829 Jun 202212.71%361,705,732
Blackrock Inc.3,471,30029 Jun 20227.40%210,464,922
FMR, LLC2,925,39829 Jun 20226.23%177,366,883
State Street Corporation2,246,07329 Jun 20224.79%136,179,408
First Light Asset Management, LLC1,938,18329 Jun 20224.13%117,512,037
Palo Alto Investors Lp1,681,47729 Jun 20223.58%101,947,952
Dimensional Fund Advisors LP1,566,75329 Jun 20223.34%94,992,236
Vanguard Group, Inc. (The)829,07629 Jun 20221.77%50,266,878
Redmile Group, LLC736,17529 Jun 20221.57%44,634,291

Top mutual fund holders

HolderSharesDate reported% outValue
Price (T.Rowe) New Horizons Fund1,475,02129 Jun 20223.14%89,430,524
SPDR (R) Ser Tr-SPDR (R) S&P (R) Biotech ETF1,465,41030 Aug 20223.12%88,847,809
Price (T.Rowe) Small Cap Stock Fund894,45329 Jun 20221.91%54,230,686
Fidelity Select Portfolios - Biotechnology834,48929 Jun 20221.78%50,595,068
iShares Russell 2000 ETF772,80830 Aug 20221.65%46,855,349
Fidelity Growth Company Fund637,28930 Jul 20221.36%38,638,832
Price (T.Rowe) Small-Cap Value Fund607,41329 Jun 20221.29%36,827,450
Price (T.Rowe) Health Sciences Fund581,57929 Jun 20221.24%35,261,135
Price (T.Rowe) Institutional Small-Cap Stock Fund481,74429 Jun 20221.03%29,208,139
Vanguard Extended Market Index Fund479,64229 Jun 20221.02%29,080,694
Blackrock Funds-Health Sciences Opportunity Portfolio391,63230 May 20220.83%23,744,648
DFA U.S. Small Cap Series380,43629 Apr 20220.81%23,065,835
BlackRock Health Sciences Trust II343,01130 Mar 20220.73%20,796,757