PRTA

Prothena Corporation plcNASDAQHealthcare

$9.86-1.69%ClosedMarket Cap: $530.8M

As of 2026-04-06

Institutional Ownership Summary

Investors Holding

193

13F Shares

47,253,075

Ownership %

8778.2%

New Positions

23

Increased Positions

81

Closed Positions

32

Reduced Positions

62

ETF Exposure

ETF Symbol	ETF Name	Shares Held	Weight %
IWM	—	1,093,449	0.01%
NJM	—	1,093,449	0.01%
XBI	—	983,448	0.13%
VEXPX	—	617,222	0.03%
VEXRX	—	617,222	0.03%
VEXAX	—	482,569	0.00%
VXF	—	482,569	0.00%
VEMPX	—	482,569	0.00%
VIEIX	—	482,569	0.00%
NAJ	—	339,557	0.03%
IWN	—	339,557	0.03%
IBB	—	323,349	0.04%
VSTCX	—	306,335	0.13%
VTWO	—	218,450	0.01%
SCHA	—	208,005	0.01%
DFAS	—	173,656	0.01%
VHCIX	—	137,710	0.01%
VHT	—	137,710	0.01%
AVSC	—	73,295	0.03%
ITOT	—	51,754	0.00%