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Prothena Corporation plc (PRTA)

NasdaqGS - NasdaqGS Real-time price. Currency in USD
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24.38+0.80 (+3.39%)
At close: 04:00PM EDT
23.90 -0.48 (-1.97%)
After hours: 05:23PM EDT

Major holders

Currency in USD
Breakdown
12.42%% of shares held by all insiders
101.25%% of shares held by institutions
115.61%% of float held by institutions
253Number of institutions holding shares

Top institutional holders

HolderSharesDate reported% outValue
EcoR1 Capital, LLC11,584,28030 Mar 202421.54%282,424,736
FMR, LLC8,006,41130 Mar 202414.89%195,196,293
Price (T.Rowe) Associates Inc4,201,77130 Mar 20247.81%102,439,173
Wellington Management Group, LLP3,752,14730 Mar 20246.98%91,477,340
Blackrock Inc.3,718,81330 Mar 20246.92%90,664,657
State Street Corporation3,473,99630 Mar 20246.46%84,696,019
Palo Alto Investors Lp1,663,44830 Mar 20243.09%40,554,860
Janus Henderson Group PLC1,309,59030 Mar 20242.44%31,927,803
Vanguard Group Inc1,125,28330 Mar 20242.09%27,434,398
Armistice Capital, LLC1,096,00030 Mar 20242.04%26,720,479

Top mutual fund holders

HolderSharesDate reported% outValue
SPDR (R) Ser Tr-SPDR (R) S&P (R) Biotech ETF2,444,45130 May 20244.55%59,595,713
Vanguard Specialized-Health Care Fund2,394,26329 Apr 20244.45%58,372,129
Fidelity Growth Company Fund2,351,74030 May 20244.37%57,335,419
Price (T.Rowe) New Horizons Fund1,903,00730 Mar 20243.54%46,395,309
iShares Russell 2000 ETF964,88230 May 20241.79%23,523,822
Fidelity Growth Company K6 Fund859,83430 May 20241.60%20,962,752
Fidelity Series Growth Company Fund758,50530 May 20241.41%18,492,351
Fidelity Select Portfolios - Biotechnology738,11730 May 20241.37%17,995,291
Price (T.Rowe) Health Sciences Fund623,23630 Mar 20241.16%15,194,493
Vanguard Extended Market Index Fund581,95930 Mar 20241.08%14,188,159