DOSSIER · 13F Holders · Q2 2026
KOOL

SPINNAKER ETF SERIES

3 institutions still hold SPINNAKER ETF SERIES as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 84858T855·3 13F holders·last filed Jun 30, 2026
Market cap
13F value held
$55M
visible holders
Holders
3
filers reporting
Concentration
99.67%
Split Rock Private Trading & Wealth Management, LLC #1
top holder share
AI Holders Summary · Q2 2026

3 institutions reported KOOL in Q2 2026. Split Rock Private Trading & Wealth Management, LLC leads at 99.7% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
Split Rock Private Trading & Wealth Management, LLC
CIK 0002095884
$55M3.8M37.57%Q2 2026
02
SUSQUEHANNA INTERNATIONAL GROUP, LLP
CIK 0001446194· Market maker
$183K14K0.00%Q1 2026
03
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00Q2 2025
Insiders at SPINNAKER ETF SERIES
Joseph ThomisWestgate MarkMedford Russell MCauble JefferyXu XiaochunXu JamesLi YishuLiu Vivian H