# INVESTMENT MANAGERS SER TR I (CSEX)

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

- Reporting holders: 3
- Reported value: $5.3M
- Held through calls: 48.6%
- Held through puts: 44.7%

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 |
|---|---|---|---|---|
| [CITADEL ADVISORS LLC](https://holderbook.com/funds/1423053-citadel-advisors-llc/) | $3.2M | 0 | 0.0% | 2 |
| [Belvedere Trading LLC](https://holderbook.com/funds/1632341-belvedere-trading-llc/) | $2.0M | 16,542 | 0.0% | 1 |
| [Optiver Holding B.V.](https://holderbook.com/funds/1859606-optiver-holding-b-v/) | $45.3K | 2,416 | 0.0% | 3 |

## Quarter by quarter

| Quarter | Holders | Reported value |
|---|---|---|
| Q2 2026 | 3 | $5.3M |
| Q1 2026 | 4 | $1.2M |
| Q4 2025 | 3 | $143.0K |