# Cornerstone Bancorp Inc/IL (CNBP)

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

- Reporting holders: 2
- Reported value: $6.9M
- 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 |
|---|---|---|---|---|
| [VESTOR CAPITAL, LLC](https://holderbook.com/funds/1132699-vestor-capital-llc/) | $6.3M | 58,591 | 0.4% | 1 |
| [Siena Capital Partners GP, LLC](https://holderbook.com/funds/1694886-siena-capital-partners-gp-llc/) | $575.7K | 5,006 | 0.1% | 10 |

## Quarter by quarter

| Quarter | Holders | Reported value |
|---|---|---|
| Q2 2026 | 2 | $6.9M |
| Q1 2026 | 1 | $575.7K |
| Q4 2025 | 1 | $700.8K |
| Q3 2025 | 1 | $488.1K |
| Q2 2025 | 1 | $358.6K |
| Q1 2025 | 1 | $330.4K |
| Q4 2024 | 1 | $275.7K |
| Q3 2024 | 1 | $105.5K |
| Q2 2024 | 1 | $102.6K |
| Q1 2024 | 1 | $70.6K |
| Q2 2022 | 1 | $15.8K |
| Q1 2022 | 1 | $12.0K |