DOSSIER · 13F Holders · Q2 2026

SPDR SERIES TRUST

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

CUSIP 78464A900·5 13F holders·last filed Jun 30, 2026
Market cap
13F value held
$294M
visible holders
Holders
5
filers reporting
Concentration
58.03%
GROUP ONE TRADING LLC #1
top holder share
AI Holders Summary · Q2 2026

5 institutions reported SPDR SERIES TRUST in Q2 2026. GROUP ONE TRADING LLC leads at 58.0% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter
01
GROUP ONE TRADING LLC
CIK 0000932540
$170M1.1M0.24%Q2 2026
02
IMC-Chicago, LLC
CIK 0001452861· Market maker
$123M775K0.03%Q2 2026
03
Momentum Wealth Planning, LLC
CIK 0002087652
$382K900.28%Q2 2026
04
LCM Capital Management Inc
CIK 0001861752
$237K2K0.10%Q2 2026
05
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00Q2 2025