# INVESTMENT MANAGERS SER TR I (QBTX)

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

- Reporting holders: 17
- Reported value: $33.9M
- Held through calls: 51.3%
- Held through puts: 26.3%

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/) | $8.3M | 0 | 0.0% | 5 |
| [JANE STREET GROUP, LLC](https://holderbook.com/funds/1595888-jane-street-group-llc/) | $5.1M | 40,850 | 0.0% | 5 |
| [SUSQUEHANNA INTERNATIONAL GROUP, LLP](https://holderbook.com/funds/1446194-susquehanna-international-group-llp/) | $4.7M | 72,859 | 0.0% | 5 |
| [GROUP ONE TRADING LLC](https://holderbook.com/funds/932540-group-one-trading-llc/) | $4.7M | 5,924 | 0.0% | 5 |
| [SIMPLEX TRADING, LLC](https://holderbook.com/funds/1488542-simplex-trading-llc/) | $2.8M | 1,315 | 0.0% | 2 |
| [IMC-Chicago, LLC](https://holderbook.com/funds/1452861-imc-chicago-llc/) | $2.6M | 23,708 | 0.0% | 1 |
| [Optiver Holding B.V.](https://holderbook.com/funds/1859606-optiver-holding-b-v/) | $1.7M | 114,750 | 0.0% | 5 |
| [StoneX Group Inc.](https://holderbook.com/funds/913760-stonex-group-inc/) | $1.4M | 81,344 | 0.1% | 1 |
| [HRT FINANCIAL LP](https://holderbook.com/funds/1475597-hrt-financial-lp/) | $1.2M | 46,000 | 0.0% | 1 |
| [Jump Financial, LLC](https://holderbook.com/funds/1831577-jump-financial-llc/) | $726.5K | 48,500 | 0.0% | 1 |
| [Belvedere Trading LLC](https://holderbook.com/funds/1632341-belvedere-trading-llc/) | $268.0K | 4,988 | 0.0% | 1 |
| [FLOW TRADERS U.S. LLC](https://holderbook.com/funds/1466697-flow-traders-u-s-llc/) | $177.0K | 11,811 | 0.0% | 1 |
| [CITIGROUP INC](https://holderbook.com/funds/831001-citigroup-inc/) | $127.7K | 8,524 | 0.0% | 2 |
| [SIGNATUREFD, LLC](https://holderbook.com/funds/1456048-signaturefd-llc/) | $3.0K | 200 | 0.0% | 1 |
| [Colonial Trust Advisors](https://holderbook.com/funds/1567993-colonial-trust-advisors/) | $3.0K | 200 | 0.0% | 1 |
| [Tower Research Capital LLC (TRC)](https://holderbook.com/funds/1533421-tower-research-capital-llc-trc/) | $2.2K | 146 | 0.0% | 4 |
| [UBS Group AG](https://holderbook.com/funds/1610520-ubs-group-ag/) | $15 | 1 | 0.0% | 1 |

## Quarter by quarter

| Quarter | Holders | Reported value |
|---|---|---|
| Q2 2026 | 17 | $33.9M |
| Q1 2026 | 11 | $13.4M |
| Q4 2025 | 10 | $26.1M |
| Q3 2025 | 14 | $40.3M |
| Q2 2025 | 12 | $11.8M |