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Prothena Corporation plc (PRTA)

NasdaqGS - NasdaqGS Real-time price. Currency in USD
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22.06+0.64 (+2.99%)
As of 12:58PM EDT. Market open.
Insider roster
Insider transactions

Major holders

Currency in USD
Breakdown
12.44%% of shares held by all insiders
100.26%% of shares held by institutions
114.50%% of float held by institutions
273Number of institutions holding shares

Top institutional holders

HolderSharesDate reported% outValue
EcoR1 Capital, LLC11,584,28030 Dec 202321.56%255,549,210
FMR, LLC8,049,79630 Dec 202314.98%177,578,495
Price (T.Rowe) Associates Inc4,237,35130 Dec 20237.89%93,475,960
Blackrock Inc.3,770,65030 Dec 20237.02%83,180,536
State Street Corporation2,758,56430 Dec 20235.14%60,853,920
Wellington Management Group, LLP2,594,10230 Dec 20234.83%57,225,888
Janus Henderson Group PLC2,035,98430 Dec 20233.79%44,913,805
Palo Alto Investors Lp1,660,05730 Dec 20233.09%36,620,856
First Light Asset Management, LLC1,088,80130 Dec 20232.03%24,018,949
Vanguard Group Inc1,070,55530 Dec 20231.99%23,616,442

Top mutual fund holders

HolderSharesDate reported% outValue
SPDR (R) Ser Tr-SPDR (R) S&P (R) Biotech ETF2,541,75230 Mar 20244.73%56,071,047
Vanguard Specialized-Health Care Fund2,394,26330 Jan 20244.46%52,817,440
Fidelity Growth Company Fund2,339,56528 Feb 20244.36%51,610,802
Price (T.Rowe) New Horizons Fund1,763,91430 Dec 20233.28%38,911,941
iShares Russell 2000 ETF1,031,28230 Mar 20241.92%22,750,080
Price (T.Rowe) Health Sciences Fund847,69730 Dec 20231.58%18,700,195
Fidelity Growth Company K6 Fund823,46028 Feb 20241.53%18,165,527
Fidelity Select Portfolios - Biotechnology801,41730 Mar 20241.49%17,679,258
Fidelity Series Growth Company Fund746,30528 Feb 20241.39%16,463,487
Janus Henderson Global Life Sciences Fund583,76130 Dec 20231.09%12,877,767