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Prothena Corporation plc (0Y3M.L)

LSE - LSE Delayed price. Currency in USD
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23.27+1.06 (+4.77%)
At close: 05:53PM BST
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, LLC11,584,28031 Dec 202321.56%269,566,200
FMR, LLC8,049,79631 Dec 202314.98%187,318,756
Price (T.Rowe) Associates Inc4,237,35131 Dec 20237.89%98,603,159
Blackrock Inc.3,770,65031 Dec 20237.02%87,743,027
State Street Corporation2,758,56431 Dec 20235.14%64,191,785
Wellington Management Group, LLP2,594,10231 Dec 20234.83%60,364,754
Janus Henderson Group PLC2,035,98431 Dec 20233.79%47,377,348
Palo Alto Investors Lp1,660,05731 Dec 20233.09%38,629,527
First Light Asset Management, LLC1,088,80131 Dec 20232.03%25,336,399
Vanguard Group Inc1,070,55531 Dec 20231.99%24,911,815

Top mutual fund holders

HolderSharesDate reported% outValue
SPDR (R) Ser Tr-SPDR (R) S&P (R) Biotech ETF2,541,75231 Mar 20244.73%59,146,570
Vanguard Specialized-Health Care Fund2,394,26331 Jan 20244.46%55,714,501
Fidelity Growth Company Fund2,345,92431 Mar 20244.37%54,589,652
Price (T.Rowe) New Horizons Fund1,763,91431 Dec 20233.28%41,046,279
iShares Russell 2000 ETF1,031,28231 Mar 20241.92%23,997,932
Price (T.Rowe) Health Sciences Fund847,69731 Dec 20231.58%19,725,909
Fidelity Growth Company K6 Fund835,10131 Mar 20241.55%19,432,800
Fidelity Select Portfolios - Biotechnology801,41731 Mar 20241.49%18,648,973
Fidelity Series Growth Company Fund749,70531 Mar 20241.40%17,445,635
Janus Henderson Global Life Sciences Fund583,76131 Dec 20231.09%13,584,118