PRTA Prothena Corporation plc logo

PRTA Prothena Corporation plc

Healthcare
$9.83+4.46%ClosedMarket Cap: $514.6M

As of 2026-05-25

Institutional Ownership Summary

Investors Holding

193

13F Shares

47,253,075

Ownership %

87.8%

New Positions

23

Increased Positions

81

Closed Positions

32

Reduced Positions

62

ETF Exposure
ETF SymbolETF NameShares HeldWeight %
BBCVirtus Biotech Clinical Trials ETF26,3200.74%
XBI983,4480.13%
VSTCX306,3350.13%
LABUDirexion Daily S&P Biotech Bull 3X ETF50,1170.10%
NUSCNuveen ESG Small-Cap42,7310.05%
IBBiShares Biotechnology ETF323,3490.04%
AVSCAvantis U.S. Small Cap Equity ETF73,2950.03%
NAJ339,5570.03%
IWNiShares Russell 2000 Value ETF339,5570.03%
VEXPX617,2220.03%
VEXRX617,2220.03%
VTWV29,0900.02%
DFASDimensional - US Small Cap ETF173,6560.01%
VTWO218,4500.01%
SMMDiShares Russell 2500 ETF16,4090.01%
IWMiShares Russell 2000 ETF1,093,4490.01%
SCHASchwab U.S. Small-Cap ETF208,0050.01%
RSSLGlobal X - Russell 2000 ETF20,0640.01%
NJM1,093,4490.01%
PRFZInvesco RAFI US 1500 Small-Mid ETF20,8360.01%