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Prothena Corporation plc (PRTA)

NasdaqGS - NasdaqGS Real-time price. Currency in USD
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21.16+0.59 (+2.87%)
At close: 04:00PM EDT
21.16 0.00 (0.00%)
After hours: 04:04PM EDT

Major holders

Currency in USD
Breakdown
12.44%% of shares held by all insiders
100.77%% of shares held by institutions
115.08%% of float held by institutions
275Number of institutions holding shares

Top institutional holders

HolderSharesDate reported% outValue
EcoR1 Capital, LLC11,584,28030 Dec 202321.56%245,123,363
FMR, LLC8,049,79630 Dec 202314.98%170,333,682
Price (T.Rowe) Associates Inc4,237,35130 Dec 20237.89%89,662,346
Blackrock Inc.3,770,65030 Dec 20237.02%79,786,953
State Street Corporation2,758,56430 Dec 20235.14%58,371,213
Wellington Management Group, LLP2,594,10230 Dec 20234.83%54,891,197
Janus Henderson Group PLC2,035,98430 Dec 20233.79%43,081,421
Palo Alto Investors Lp1,660,05730 Dec 20233.09%35,126,805
First Light Asset Management, LLC1,088,80130 Dec 20232.03%23,039,028
Vanguard Group Inc1,070,55530 Dec 20231.99%22,652,943

Top mutual fund holders

HolderSharesDate reported% outValue
Vanguard Specialized-Health Care Fund2,394,26330 Jan 20244.46%50,662,604
Fidelity Growth Company Fund2,339,56528 Feb 20244.36%49,505,195
SPDR (R) Ser Tr-SPDR (R) S&P (R) Biotech ETF1,949,51828 Feb 20243.63%41,251,800
Price (T.Rowe) New Horizons Fund1,763,91430 Dec 20233.28%37,324,419
iShares Russell 2000 ETF1,022,79428 Feb 20241.90%21,642,320
Price (T.Rowe) Health Sciences Fund847,69730 Dec 20231.58%17,937,268
Fidelity Growth Company K6 Fund823,46028 Feb 20241.53%17,424,413
Fidelity Select Portfolios - Biotechnology801,41728 Feb 20241.49%16,957,983
Fidelity Series Growth Company Fund746,30528 Feb 20241.39%15,791,813
Janus Henderson Global Life Sciences Fund583,76130 Dec 20231.09%12,352,382