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Prothena Corporation plc (PRTA)

NasdaqGS - NasdaqGS Real-time price. Currency in USD
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24.43-0.36 (-1.45%)
At close: 04:00PM EDT
24.52 +0.09 (+0.37%)
After hours: 06:10PM EDT
Insider roster
Insider transactions

Major holders

Currency in USD
Breakdown
12.42%% of shares held by all insiders
101.24%% of shares held by institutions
115.60%% of float held by institutions
254Number of institutions holding shares

Top institutional holders

HolderSharesDate reported% outValue
EcoR1 Capital, LLC11,584,28030 Mar 202421.54%283,003,963
FMR, LLC8,006,41130 Mar 202414.89%195,596,623
Price (T.Rowe) Associates Inc4,201,77130 Mar 20247.81%102,649,266
Wellington Management Group, LLP3,752,14730 Mar 20246.98%91,664,952
Blackrock Inc.3,718,81330 Mar 20246.92%90,850,602
State Street Corporation3,473,99630 Mar 20246.46%84,869,723
Palo Alto Investors Lp1,663,44830 Mar 20243.09%40,638,035
Janus Henderson Group PLC1,309,59030 Mar 20242.44%31,993,284
Vanguard Group Inc1,125,28330 Mar 20242.09%27,490,664
Armistice Capital, LLC1,096,00030 Mar 20242.04%26,775,280

Top mutual fund holders

HolderSharesDate reported% outValue
Vanguard Specialized-Health Care Fund2,394,26329 Apr 20244.45%58,491,845
Fidelity Growth Company Fund2,351,74030 May 20244.37%57,453,008
Price (T.Rowe) New Horizons Fund1,903,00730 Mar 20243.54%46,490,461
iShares Russell 2000 ETF1,039,89329 Jun 20241.93%25,404,586
SPDR (R) Ser Tr-SPDR (R) S&P (R) Biotech ETF974,47729 Jun 20241.81%23,806,473
Fidelity Growth Company K6 Fund859,83430 May 20241.60%21,005,744
Fidelity Series Growth Company Fund758,50530 May 20241.41%18,530,277
Fidelity Select Portfolios - Biotechnology738,11730 May 20241.37%18,032,198
Price (T.Rowe) Health Sciences Fund623,23630 Mar 20241.16%15,225,655
Vanguard Extended Market Index Fund581,95930 Mar 20241.08%14,217,258