# INVESTMENT MANAGERS SER TR I (LABX)

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

- Reporting holders: 13
- Reported value: $66.6M
- Held through calls: 40.5%
- Held through puts: 33.3%

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/) | $32.7M | 0 | 0.0% | 2 |
| [SUSQUEHANNA INTERNATIONAL GROUP, LLP](https://holderbook.com/funds/1446194-susquehanna-international-group-llp/) | $13.1M | 6,366 | 0.0% | 1 |
| [JANE STREET GROUP, LLC](https://holderbook.com/funds/1595888-jane-street-group-llc/) | $5.8M | 6,449 | 0.0% | 1 |
| [GOLDMAN SACHS GROUP INC](https://holderbook.com/funds/886982-goldman-sachs-group-inc/) | $4.3M | 19,334 | 0.0% | 1 |
| [GTS SECURITIES LLC](https://holderbook.com/funds/1452765-gts-securities-llc/) | $3.6M | 16,179 | 0.1% | 1 |
| [Belvedere Trading LLC](https://holderbook.com/funds/1632341-belvedere-trading-llc/) | $2.1M | 7,766 | 0.0% | 1 |
| [Client First Investment Management LLC](https://holderbook.com/funds/2018284-client-first-investment-management-llc/) | $1.5M | 6,900 | 0.6% | 1 |
| [FLOW TRADERS U.S. LLC](https://holderbook.com/funds/1466697-flow-traders-u-s-llc/) | $1.5M | 6,598 | 0.1% | 1 |
| [IMC-Chicago, LLC](https://holderbook.com/funds/1452861-imc-chicago-llc/) | $1.2M | 5,519 | 0.0% | 1 |
| [Optiver Holding B.V.](https://holderbook.com/funds/1859606-optiver-holding-b-v/) | $573.8K | 2,599 | 0.0% | 1 |
| [Dedeker Financial LLC](https://holderbook.com/funds/2113408-dedeker-financial-llc/) | $290.2K | 1,315 | 0.2% | 1 |
| [Integrated Wealth Concepts LLC](https://holderbook.com/funds/1737109-integrated-wealth-concepts-llc/) | $19.4K | 88 | 0.0% | 1 |
| [HOLLENCREST CAPITAL MANAGEMENT](https://holderbook.com/funds/1161722-hollencrest-capital-management/) | $11.5K | 52 | 0.0% | 2 |

## Quarter by quarter

| Quarter | Holders | Reported value |
|---|---|---|
| Q2 2026 | 13 | $66.6M |
| Q1 2026 | 7 | $963.0K |
| Q4 2025 | 8 | $2.4M |
| Q3 2025 | 4 | $1.7M |