# CALAMOS ETF TR (SROI)

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

- Reporting holders: 10
- Reported value: $8.8M
- 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 |
|---|---|---|---|---|
| [Arlington Financial Advisors, LLC](https://holderbook.com/funds/1716539-arlington-financial-advisors-llc/) | $5.8M | 153,958 | 0.7% | 14 |
| [JANE STREET GROUP, LLC](https://holderbook.com/funds/1595888-jane-street-group-llc/) | $1.2M | 32,070 | 0.0% | 2 |
| [OSAIC HOLDINGS, INC.](https://holderbook.com/funds/1677044-osaic-holdings-inc/) | $690.2K | 18,440 | 0.0% | 7 |
| [CITADEL ADVISORS LLC](https://holderbook.com/funds/1423053-citadel-advisors-llc/) | $483.9K | 12,930 | 0.0% | 5 |
| [Calamos Wealth Management LLC](https://holderbook.com/funds/1455258-calamos-wealth-management-llc/) | $379.2K | 10,130 | 0.0% | 11 |
| [SITTNER & NELSON, LLC](https://holderbook.com/funds/1846138-sittner-nelson-llc/) | $239.3K | 6,393 | 0.1% | 3 |
| [HARBOUR INVESTMENTS, INC.](https://holderbook.com/funds/810121-harbour-investments-inc/) | $1.1K | 30 | 0.0% | 2 |
| [UBS Group AG](https://holderbook.com/funds/1610520-ubs-group-ag/) | $749 | 20 | 0.0% | 1 |
| [City State Bank](https://holderbook.com/funds/1910666-city-state-bank/) | $749 | 20 | 0.0% | 11 |
| [SBI Securities Co., Ltd.](https://holderbook.com/funds/1851815-sbi-securities-co-ltd/) | $561 | 15 | 0.0% | 1 |

## Quarter by quarter

| Quarter | Holders | Reported value |
|---|---|---|
| Q2 2026 | 10 | $8.8M |
| Q1 2026 | 10 | $9.3M |
| Q4 2025 | 8 | $8.2M |
| Q3 2025 | 9 | $8.5M |
| Q2 2025 | 9 | $7.7M |
| Q1 2025 | 7 | $5.9M |
| Q4 2024 | 7 | $5.9M |
| Q3 2024 | 6 | $5.8M |
| Q2 2024 | 4 | $5.5M |
| Q1 2024 | 6 | $4.9M |
| Q4 2023 | 5 | $4.4M |
| Q3 2023 | 3 | $3.8M |