DOSSIER · 13F Holders · Q1 2026
YFFI

SPINNAKER ETF SERIES

4 institutions still hold SPINNAKER ETF SERIES as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 84858T749·4 13F holders·last filed Mar 31, 2026
Market cap
13F value held
$455K
visible holders
Holders
4
filers reporting
Concentration
69.26%
JANE STREET GROUP, LLC #1
top holder share
AI Holders Summary · Q1 2026

4 institutions reported YFFI in Q1 2026. JANE STREET GROUP, LLC leads at 69.3% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter
01
JANE STREET GROUP, LLC
CIK 0001595888· Market maker
$315K31K0.00%Q1 2026
02
GTS SECURITIES LLC
CIK 0001452765· Market maker
$133K13K0.00%Q2 2026
03
UBS Group AG
CIK 0001610520
$7K7170.00%Q2 2026
04
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00Q2 2025