DOSSIER · 13F Holders · Q3 2026

SPDR SERIES TRUST

4 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 78464A954·4 13F holders·last filed Sep 30, 2026
Market cap
—
13F value held
$66M
visible holders
Holders
4
filers reporting
Concentration
70.00%
IMC-Chicago, LLC #1
top holder share
AI Holders Summary · Q3 2026

4 institutions reported SPDR SERIES TRUST in Q3 2026. IMC-Chicago, LLC leads at 70.0% 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
$46M543K0.01%Q3 2026
02
New Harbor Financial Group, LLC
CIK 0001548577
$14M230K2.14%Q3 2026
03
GROUP ONE TRADING LLC
CIK 0000932540
$6M68K0.01%Q3 2026
04
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00—Q2 2025