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Prothena Corporation plc (PRTA)

NasdaqGS - NasdaqGS Real-time price. Currency in USD
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20.560.00 (0.00%)
At close: 04:00PM EDT
20.88 +0.32 (+1.56%)
After hours: 06:13PM EDT
Insider roster
Insider transactions

Major holders

Currency in USD
Breakdown
12.44%% of shares held by all insiders
100.18%% of shares held by institutions
114.41%% of float held by institutions
271Number of institutions holding shares

Top institutional holders

HolderSharesDate reported% outValue
EcoR1 Capital, LLC11,584,28030 Dec 202321.56%238,172,790
FMR, LLC8,049,79630 Dec 202314.98%165,503,801
Price (T.Rowe) Associates Inc4,237,35130 Dec 20237.89%87,119,934
Blackrock Inc.3,770,65030 Dec 20237.02%77,524,561
State Street Corporation2,758,56430 Dec 20235.14%56,716,074
Wellington Management Group, LLP2,594,10230 Dec 20234.83%53,334,735
Janus Henderson Group PLC2,035,98430 Dec 20233.79%41,859,829
Palo Alto Investors Lp1,660,05730 Dec 20233.09%34,130,771
First Light Asset Management, LLC1,088,80130 Dec 20232.03%22,385,747
Vanguard Group Inc1,070,55530 Dec 20231.99%22,010,610

Top mutual fund holders

HolderSharesDate reported% outValue
Vanguard Specialized-Health Care Fund2,394,26330 Jan 20244.46%49,226,046
Fidelity Growth Company Fund2,295,76530 Jan 20244.27%47,200,927
SPDR (R) Ser Tr-SPDR (R) S&P (R) Biotech ETF1,949,51828 Feb 20243.63%40,082,089
Price (T.Rowe) New Horizons Fund1,763,91430 Dec 20233.28%36,266,070
iShares Russell 2000 ETF1,022,79428 Feb 20241.90%21,028,644
Price (T.Rowe) Health Sciences Fund847,69730 Dec 20231.58%17,428,649
Fidelity Growth Company K6 Fund815,16030 Jan 20241.52%16,759,689
Fidelity Select Portfolios - Biotechnology801,41730 Jan 20241.49%16,477,133
Fidelity Series Growth Company Fund741,80530 Jan 20241.38%15,251,510
Janus Henderson Global Life Sciences Fund583,76130 Dec 20231.09%12,002,125