# INVESTMENT MANAGERS SER TR I (IREZ)

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

- Reporting holders: 8
- Reported value: $5.2M
- Held through calls: 12.6%
- 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 |
|---|---|---|---|---|
| [Optiver Holding B.V.](https://holderbook.com/funds/1859606-optiver-holding-b-v/) | $1.9M | 231,182 | 0.0% | 2 |
| [SUSQUEHANNA INTERNATIONAL GROUP, LLP](https://holderbook.com/funds/1446194-susquehanna-international-group-llp/) | $1.0M | 124,292 | 0.0% | 2 |
| [GTS SECURITIES LLC](https://holderbook.com/funds/1452765-gts-securities-llc/) | $682.8K | 84,193 | 0.0% | 1 |
| [CITADEL ADVISORS LLC](https://holderbook.com/funds/1423053-citadel-advisors-llc/) | $655.3K | 0 | 0.0% | 2 |
| [StoneX Group Inc.](https://holderbook.com/funds/913760-stonex-group-inc/) | $380.7K | 29,927 | 0.0% | 2 |
| [FLOW TRADERS U.S. LLC](https://holderbook.com/funds/1466697-flow-traders-u-s-llc/) | $314.0K | 38,676 | 0.0% | 1 |
| [Jump Financial, LLC](https://holderbook.com/funds/1831577-jump-financial-llc/) | $280.6K | 34,601 | 0.0% | 2 |
| [GROUP ONE TRADING LLC](https://holderbook.com/funds/932540-group-one-trading-llc/) | $8.7K | 1,069 | 0.0% | 1 |

## Quarter by quarter

| Quarter | Holders | Reported value |
|---|---|---|
| Q2 2026 | 8 | $5.2M |
| Q1 2026 | 11 | $7.3M |