DOSSIER · 13F Holders · Q3 2026

SPDR SERIES TRUST

3 institutions still hold SPDR SERIES TRUST as of Q3 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 78464A909·3 13F holders·last filed Sep 30, 2026
Market cap
—
13F value held
$11M
visible holders
Holders
3
filers reporting
Concentration
91.24%
IMC-Chicago, LLC #1
top holder share
AI Holders Summary · Q3 2026

3 institutions reported SPDR SERIES TRUST in Q3 2026. IMC-Chicago, LLC leads at 91.2% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter
01
IMC-Chicago, LLC
CIK 0001452861· Market maker
$10M109K0.00%Q3 2026
02
GROUP ONE TRADING LLC
CIK 0000932540
$995K13K0.00%Q3 2026
03
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00—Q2 2025