# SPINNAKER ETF SERIES (KOOL)

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

- Reporting holders: 6
- Reported value: $56.4M
- Held through calls: 1.6%
- Held through puts: 0.9%

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 |
|---|---|---|---|---|
| [Split Rock Private Trading & Wealth Management, LLC](https://holderbook.com/funds/2095884-split-rock-private-trading-wealth-management-llc/) | $54.8M | 3,831,084 | 37.6% | 3 |
| [IMC-Chicago, LLC](https://holderbook.com/funds/1452861-imc-chicago-llc/) | $1.2M | 0 | 0.0% | 2 |
| [GTS SECURITIES LLC](https://holderbook.com/funds/1452765-gts-securities-llc/) | $229.6K | 16,058 | 0.0% | 1 |
| [SIMPLEX TRADING, LLC](https://holderbook.com/funds/1488542-simplex-trading-llc/) | $130.8K | 0 | 0.0% | 1 |
| [GROUP ONE TRADING LLC](https://holderbook.com/funds/932540-group-one-trading-llc/) | $54.8K | 0 | 0.0% | 2 |
| [Allworth Financial LP](https://holderbook.com/funds/1555170-allworth-financial-lp/) | $5.4K | 377 | 0.0% | 1 |

## Quarter by quarter

| Quarter | Holders | Reported value |
|---|---|---|
| Q2 2026 | 6 | $56.4M |
| Q1 2026 | 5 | $51.5M |
| Q4 2025 | 6 | $50.5M |
| Q3 2025 | 7 | $2.1M |
| Q2 2025 | 4 | $979.1K |
| Q1 2025 | 4 | $526.0K |
| Q4 2024 | 2 | $193.7K |
| Q3 2024 | 1 | $741 |
| Q2 2024 | 1 | $220 |
| Q4 2022 | 1 | $4.0K |
| Q3 2022 | 1 | $7.0K |
| Q2 2022 | 1 | $8.0K |