DOSSIER · 13F Holders · Q3 2026

SPDR SERIES TRUST

8 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 78468R956·8 13F holders·last filed Sep 30, 2026
Market cap
—
13F value held
$363M
visible holders
Holders
8
filers reporting
Concentration
63.51%
IMC-Chicago, LLC #1
top holder share
AI Holders Summary · Q3 2026

8 institutions reported SPDR SERIES TRUST in Q3 2026. IMC-Chicago, LLC leads at 63.5% 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
$231M1.3M0.05%Q3 2026
02
Optiver Holding B.V.
CIK 0001859606· Market maker
$84M543K0.02%Q2 2026
03
GROUP ONE TRADING LLC
CIK 0000932540
$34M188K0.05%Q3 2026
04
JPMORGAN CHASE & CO
CIK 0000019617
$12M65K0.00%Q3 2026
05
HRT FINANCIAL LP
CIK 0001475597
$2M14K0.00%Q3 2026
06
Maven Securities LTD
CIK 0001633046
$681K4K0.01%Q3 2026
07
Itau Unibanco Holding S.A.
CIK 0001132597
$406K6K0.01%Q2 2026
08
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00—Q2 2025