DOSSIER · 13F Holders · Q2 2026
WESTERN ALLIANCE BANCORP
6 institutions still hold WESTERN ALLIANCE BANCORP as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.
CUSIP 957638909·6 13F holders·last filed Jun 30, 2026
AI Holders Summary · Q2 2026
6 institutions reported WESTERN ALLIANCE BANCORP in Q2 2026. Optiver Holding B.V. leads at 43.3% of the visible book.
Top holders
Sorted by position value. Source: SEC EDGAR 13F-HR filings.