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Prothena Corporation plc (PRTA)

NasdaqGS - NasdaqGS Real-time price. Currency in USD
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28.19+1.59 (+5.98%)
At close: 04:00PM EDT
28.19 0.00 (0.00%)
After hours: 04:02PM EDT

Major holders

Currency in USD
0.08%% of shares held by all insiders
95.51%% of shares held by institutions
95.59%% of float held by institutions
253Number of institutions holding shares

Top institutional holders

HolderSharesDate reported% outValue
EcoR1 Capital, LLC11,584,28030 Mar 202224.75%423,637,119
Price (T.Rowe) Associates Inc6,113,74230 Mar 202213.06%223,579,544
Blackrock Inc.3,861,58630 Mar 20228.25%141,218,200
FMR, LLC2,675,61430 Mar 20225.72%97,847,203
State Street Corporation2,367,58330 Mar 20225.06%86,582,510
First Light Asset Management, LLC1,838,54830 Mar 20223.93%67,235,700
Palo Alto Investors Lp1,681,47730 Mar 20223.59%61,491,613
Dimensional Fund Advisors LP1,505,15630 Mar 20223.22%55,043,554
Vanguard Group, Inc. (The)875,30030 Mar 20221.87%32,009,721
Redmile Group, LLC736,17530 Mar 20221.57%26,921,919

Top mutual fund holders

HolderSharesDate reported% outValue
SPDR (R) Ser Tr-SPDR (R) S&P (R) Biotech ETF1,511,84627 Feb 20223.23%52,309,871
Price (T.Rowe) New Horizons Fund1,454,62630 Dec 20213.11%71,858,524
Price (T.Rowe) Small Cap Stock Fund904,35330 Dec 20211.93%44,675,038
Price (T.Rowe) Health Sciences Fund887,11930 Dec 20211.90%43,823,678
Fidelity Select Portfolios - Biotechnology852,58927 Feb 20221.82%29,499,579
iShares Russell 2000 ETF814,70627 Feb 20221.74%28,188,827
Fidelity Growth Company Fund663,67927 Feb 20221.42%22,963,293
Vanguard Extended Market Index Fund473,82230 Dec 20211.01%23,406,806
Price (T.Rowe) Institutional Small-Cap Stock Fund466,54030 Dec 20211.00%23,047,076
Price (T.Rowe) Small-Cap Value Fund456,61330 Dec 20210.98%22,556,682