DOSSIER · 13F Holders · Q1 2026

SPDR SERIES TRUST

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

CUSIP 78464A950·8 13F holders·last filed Mar 31, 2026
Market cap
13F value held
$333M
visible holders
Holders
8
filers reporting
Concentration
35.93%
IMC-Chicago, LLC #1
top holder share
AI Holders Summary · Q1 2026

8 institutions reported SPDR SERIES TRUST in Q1 2026. IMC-Chicago, LLC leads at 35.9% 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
$120M937K0.04%Q1 2026
02
SILVERARC CAPITAL MANAGEMENT, LLC
CIK 0001816307
$105M825K10.75%Q1 2026
03
GROUP ONE TRADING LLC
CIK 0000932540
$65M506K0.12%Q1 2026
04
HRT FINANCIAL LP
CIK 0001475597
$24M196K0.08%Q4 2025
05
RH Tailwind Management, LLC
CIK 0002065331
$10M80K1.31%Q1 2026
06
JPMORGAN CHASE & CO
CIK 0000019617
$8M70K0.00%Q1 2026
07
SG Americas Securities, LLC
CIK 0001313360
$722K290K0.00%Q1 2026
08
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00Q2 2025