# Partners Bank of California (PBKX)

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

- Reporting holders: 1
- Reported value: $2.3M
- Held through calls: 0.0%
- Held through puts: 0.0%

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 |
|---|---|---|---|---|
| [Siena Capital Partners GP, LLC](https://holderbook.com/funds/1694886-siena-capital-partners-gp-llc/) | $2.3M | 134,955 | 0.6% | 7 |

## Quarter by quarter

| Quarter | Holders | Reported value |
|---|---|---|
| Q2 2026 | 1 | $2.3M |
| Q1 2026 | 1 | $1.7M |
| Q4 2025 | 1 | $1.5M |
| Q3 2025 | 1 | $662.1K |
| Q2 2025 | 1 | $470.2K |
| Q1 2025 | 1 | $431.3K |
| Q4 2024 | 1 | $394.6K |