# CALAMOS ETF TR (CBOL)

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

- Reporting holders: 5
- Reported value: $1.6M
- 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 |
|---|---|---|---|---|
| [CGN Advisors LLC](https://holderbook.com/funds/1841506-cgn-advisors-llc/) | $525.2K | 22,496 | 0.0% | 2 |
| [ATX Financial Planning, LLC](https://holderbook.com/funds/2111013-atx-financial-planning-llc/) | $361.1K | 15,467 | 0.2% | 2 |
| [SUSQUEHANNA INTERNATIONAL GROUP, LLP](https://holderbook.com/funds/1446194-susquehanna-international-group-llp/) | $313.5K | 13,431 | 0.0% | 2 |
| [JANE STREET GROUP, LLC](https://holderbook.com/funds/1595888-jane-street-group-llc/) | $285.9K | 12,248 | 0.0% | 3 |
| [Regatta Research & Money Management](https://holderbook.com/funds/2137529-regatta-research-money-management/) | $130.7K | 5,600 | 0.1% | 1 |

## Quarter by quarter

| Quarter | Holders | Reported value |
|---|---|---|
| Q2 2026 | 5 | $1.6M |
| Q1 2026 | 4 | $1.4M |
| Q4 2025 | 1 | $979.8K |