13F Insight
DOSSIER · 13F Holders · Q1 2026

MICROSOFT CORP

34 institutions still hold MICROSOFT CORP as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 594918904·34 13F holders·last filed Mar 31, 2026
Market cap
—
13F value held
$13.4B
visible holders
Holders
34
filers reporting
Concentration
41.11%
IMC-Chicago, LLC #1
top holder share
AI Holders Summary · Q1 2026

34 institutions reported MICROSOFT CORP in Q1 2026. IMC-Chicago, LLC leads at 41.1% 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
$5.5B14.9M1.98%Q1 202602
Optiver Holding B.V.
CIK 0001859606· Market maker
$2.0B5.3M0.68%Q1 202603
JPMORGAN CHASE & CO
CIK 0000019617
$1.8B4.9M0.11%Q1 202604
SIMPLEX TRADING, LLC
CIK 0001488542
$1.5B4.2M1.04%Q1 202605
1832 Asset Management L.P.
CIK 0000944388
$1.3B3.5M1.19%Q1 202606
GROUP ONE TRADING LLC
CIK 0000932540
$431M1.2M0.83%Q1 202607
Capital Markets Trading UK LLP
CIK 0001719165
$310M838K3.90%Q1 202608
CMT Capital Markets Trading GmbH
CIK 0001632813
$171M462K1.79%Q1 202609
Gladius Capital Management LP
CIK 0001540656
$89M240K3.96%Q1 202610
Groupe la Francaise
CIK 0002056088
$85M230K1.17%Q1 202611
HRT FINANCIAL LP
CIK 0001475597
$80M165K0.25%Q4 202512
NATIONAL BANK OF CANADA /FI/
CIK 0000926171
$74M2K0.07%Q1 202613
Garda Capital Partners LP
CIK 0001666905
$19M53K5.05%Q1 202614
CIBC Bancorp USA Inc.
CIK 0001711924
$12M34K0.02%Q1 202615
Assenagon Asset Management S.A.
CIK 0001546007· Quasi-passive
$11M30K0.01%Q2 202616
Cobler Capital Management, LLC
CIK 0002081038
$10M18K9.65%Q2 202517
Altshuler Shaham Ltd
CIK 0001324290
$9M4K0.17%Q1 202618
Marathon Trading Investment Management LLC
CIK 0001572748
$5M13K0.13%Q1 202619
CenterStar Asset Management, LLC
CIK 0001722053
$5M12K0.58%Q1 202620
SG Americas Securities, LLC
CIK 0001313360
$3M743K0.00%Q1 2026
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