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Prothena Corporation plc (PRTA)

NasdaqGS - NasdaqGS Real-time price. Currency in USD
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28.32-0.21 (-0.74%)
At close: 04:00PM EST
28.45 +0.13 (+0.46%)
After hours: 08:00PM EST

Major holders

Currency in USD
Breakdown
12.44%% of shares held by all insiders
100.66%% of shares held by institutions
114.95%% of float held by institutions
272Number of institutions holding shares

Top institutional holders

HolderSharesDate reported% outValue
EcoR1 Capital, LLC11,584,28030 Dec 202321.56%328,066,806
FMR, LLC8,049,79630 Dec 202314.98%227,970,220
Price (T.Rowe) Associates Inc4,237,35130 Dec 20237.89%120,001,779
Blackrock Inc.3,770,65030 Dec 20237.02%106,784,806
State Street Corporation2,758,56430 Dec 20235.14%78,122,531
Wellington Management Group, LLP2,594,10230 Dec 20234.83%73,464,967
Janus Henderson Group PLC2,035,98430 Dec 20233.79%57,659,066
Palo Alto Investors Lp1,660,05730 Dec 20233.09%47,012,813
First Light Asset Management, LLC1,088,80130 Dec 20232.03%30,834,843
Vanguard Group Inc1,070,55530 Dec 20231.99%30,318,117

Top mutual fund holders

HolderSharesDate reported% outValue
Fidelity Growth Company Fund2,314,03630 Dec 20234.31%65,533,498
SPDR (R) Ser Tr-SPDR (R) S&P (R) Biotech ETF1,850,73030 Dec 20233.45%52,412,673
Vanguard Specialized-Health Care Fund1,782,58330 Oct 20233.32%50,482,750
Price (T.Rowe) New Horizons Fund1,700,25329 Sept 20233.17%48,151,164
iShares Russell 2000 ETF1,122,49330 Dec 20232.09%31,789,001
Price (T.Rowe) Health Sciences Fund880,98329 Sept 20231.64%24,949,438
Fidelity Growth Company K6 Fund834,27030 Dec 20231.55%23,626,526
Fidelity Select Portfolios - Biotechnology801,41730 Dec 20231.49%22,696,129
Fidelity Series Growth Company Fund741,70530 Dec 20231.38%21,005,085
Janus Henderson Global Life Sciences Fund583,76130 Dec 20231.09%16,532,111