WESTERN ALLIANCE BANCORP — institutional ownership

4 funds reported holding WESTERN ALLIANCE BANCORP in their latest 13F filings, worth $26.1M in total (CUSIP 957638909).

Largest holders

1. IMC-Chicago, LLC — $11.0M
2. Optiver Holding B.V. — $10.9M
3. SIMPLEX TRADING, LLC — $3.74M
4. GROUP ONE TRADING LLC — $452K