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Prothena Corporation plc (PRTA)

NasdaqGS - NasdaqGS Real-time price. Currency in USD
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22.93+0.89 (+4.04%)
At close: 04:00PM EDT
22.59 -0.34 (-1.48%)
After hours: 06:25PM EDT
Insider roster
Insider transactions

Major holders

Currency in USD
Breakdown
12.44%% of shares held by all insiders
100.20%% of shares held by institutions
114.43%% of float held by institutions
272Number of institutions holding shares

Top institutional holders

HolderSharesDate reported% outValue
EcoR1 Capital, LLC11,584,28030 Dec 202321.56%265,627,543
FMR, LLC8,049,79630 Dec 202314.98%184,581,824
Price (T.Rowe) Associates Inc4,237,35130 Dec 20237.89%97,162,459
Blackrock Inc.3,770,65030 Dec 20237.02%86,461,005
State Street Corporation2,758,56430 Dec 20235.14%63,253,873
Wellington Management Group, LLP2,594,10230 Dec 20234.83%59,482,759
Janus Henderson Group PLC2,035,98430 Dec 20233.79%46,685,113
Palo Alto Investors Lp1,660,05730 Dec 20233.09%38,065,107
First Light Asset Management, LLC1,088,80130 Dec 20232.03%24,966,207
Vanguard Group Inc1,070,55530 Dec 20231.99%24,547,826

Top mutual fund holders

HolderSharesDate reported% outValue
SPDR (R) Ser Tr-SPDR (R) S&P (R) Biotech ETF2,541,75230 Mar 20244.73%58,282,374
Vanguard Specialized-Health Care Fund2,394,26330 Jan 20244.46%54,900,451
Fidelity Growth Company Fund2,345,92430 Mar 20244.37%53,792,038
Price (T.Rowe) New Horizons Fund1,763,91430 Dec 20233.28%40,446,548
iShares Russell 2000 ETF1,031,28230 Mar 20241.92%23,647,296
Price (T.Rowe) Health Sciences Fund847,69730 Dec 20231.58%19,437,692
Fidelity Growth Company K6 Fund835,10130 Mar 20241.55%19,148,866
Fidelity Select Portfolios - Biotechnology801,41730 Mar 20241.49%18,376,492
Fidelity Series Growth Company Fund749,70530 Mar 20241.40%17,190,735
Janus Henderson Global Life Sciences Fund583,76130 Dec 20231.09%13,385,639