# WESTERN ALLIANCE BANCORP (WALPRA)

> Institutional ownership reported to the SEC as of Q2 2026, from Form 13F filings. Source: https://holderbook.com/stocks/WALPRA/

- Reporting holders: 4
- Reported value: $37.4M
- Held through calls: 69.8%
- Held through puts: 30.2%

A 13F reports long US equity positions only. Shorts, bonds, foreign listings and cash are not visible here, and positions are disclosed up to 45 days after the quarter ends.

## Largest holders

| Manager | Value | Shares | Share of their book | Quarters held |
|---|---|---|---|---|
| [IMC-Chicago, LLC](https://holderbook.com/funds/1452861-imc-chicago-llc/) | $16.8M | 0 | 0.0% | 14 |
| [Optiver Holding B.V.](https://holderbook.com/funds/1859606-optiver-holding-b-v/) | $15.6M | 0 | 0.0% | 5 |
| [SIMPLEX TRADING, LLC](https://holderbook.com/funds/1488542-simplex-trading-llc/) | $4.4M | 0 | 0.0% | 31 |
| [GROUP ONE TRADING LLC](https://holderbook.com/funds/932540-group-one-trading-llc/) | $575.4K | 0 | 0.0% | 29 |

## Quarter by quarter

| Quarter | Holders | Reported value |
|---|---|---|
| Q2 2026 | 4 | $37.4M |
| Q1 2026 | 6 | $33.2M |
| Q4 2025 | 5 | $43.1M |
| Q3 2025 | 4 | $32.9M |
| Q2 2025 | 5 | $29.6M |
| Q1 2025 | 4 | $31.5M |
| Q4 2024 | 5 | $53.5M |
| Q3 2024 | 4 | $64.6M |
| Q2 2024 | 5 | $81.0M |
| Q1 2024 | 5 | $100.6M |
| Q4 2023 | 5 | $155.0M |
| Q3 2023 | 5 | $123.0M |