13F Insight
DOSSIER · 13F Holders · Q2 2026

INTERNATIONAL BUSINESS MACHS

10 institutions still hold INTERNATIONAL BUSINESS MACHS as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 459200951·10 13F holders·last filed Jun 30, 2026
Market cap
—
13F value held
$1.1B
visible holders
Holders
10
filers reporting
Concentration
35.59%
IMC-Chicago, LLC #1
top holder share
AI Holders Summary · Q2 2026

10 institutions reported INTERNATIONAL BUSINESS MACHS in Q2 2026. IMC-Chicago, LLC leads at 35.6% 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
$400M1.4M0.10%Q2 202602
NATIONAL BANK OF CANADA /FI/
CIK 0000926171
$314M11K0.22%Q2 202603
Optiver Holding B.V.
CIK 0001859606· Market maker
$213M757K0.06%Q2 202604
SIMPLEX TRADING, LLC
CIK 0001488542
$77M273K0.04%Q2 202605
JPMORGAN CHASE & CO
CIK 0000019617
$56M201K0.00%Q2 202606
GROUP ONE TRADING LLC
CIK 0000932540
$36M128K0.05%Q2 202607
Capital Markets Trading UK LLP
CIK 0001719165
$13M52K0.16%Q1 202608
CMT Capital Markets Trading GmbH
CIK 0001632813
$12M51K0.13%Q1 202609
Maven Securities LTD
CIK 0001633046
$3M11K0.06%Q2 202610
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00—Q2 2025