HolderBook

SPINNAKER ETF SERIES (KOOL)

Institutional ownership reported to the SEC as of Q2 2026, across 23 quarters.

6
Reporting holders
$56.4M
Reported value
2.5%
Held as options
+1
Holder change

Options share is the part of reported value carried in derivative lines rather than shares. A high figure means institutions are expressing a view on this security without owning much of it.

Holders

FilerValueShares Their book Held Change
Split Rock Private Trading & Wealth Management, LLC$54.8M3,831,08437.57%3qHELD
IMC-Chicago, LLC$1.2Moptions only0.00%2qOPTIONS
GTS SECURITIES LLC$229.6K16,0580.00%newNEW
SIMPLEX TRADING, LLC$130.8Koptions only0.00%newOPTIONS
GROUP ONE TRADING LLC$54.8Koptions only0.00%2qOPTIONS
Allworth Financial LP$5.4K3770.00%newNEW

Quarter by quarter

Coverage begins with the quarter ending 2018-12-31. Earlier filings exist only as occasional late amendments, too sparse to describe a market, so they are not shown.

QuarterHoldersValue SharesNewAdded TrimmedOptions
Q2 20266$56.4M3,847,5193002.5%
Q1 20265$51.5M3,839,2133023.4%
Q4 20256$50.5M3,952,8821030.7%
Q3 20257$1.9M108,62231129.4%
Q2 20254$402.6K18,40251046.2%
Q1 20254$526.0K50,9543100.0%
Q4 20242$193.7K17,6331100.0%
Q3 20241$741690100.0%
Q2 20241$220211000.0%
Q4 20221$40100100.0%
Q3 20221$7.0K0000100.0%
Q2 20221$8.0K0100100.0%
Q1 20221$15.0K0000100.0%
Q4 20211$19.0K0000100.0%
Q3 20211$387.0K0000100.0%
Q2 20211$389.0K0000100.0%
Q1 20211$954.0K0000100.0%
Q4 20201$80.0K0200100.0%
Q4 20191$3.0K0100100.0%
Q3 20198$1.2M176,9063211.1%
Q2 20195$210.0K74,8195000.0%
Q1 20198$121.0K411,4702110.0%
Q4 20189$85.1K325,0871000.0%