DOSSIER · 13F Holders · Q1 2026Mega-capCrowded

MICROSOFT CORP

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

CUSIP 594918904·32 13F holders·last filed Mar 31, 2026
Market cap
0.0%
vs prior quarter
13F value held
$13.0B
65.0% inst. owned
of float
Holders
32
-37 QoQ
filers reporting
Activity
+53 / −9
+811 added · −808 reduced
this quarter
Concentration
42.54%
IMC-Chicago, LLC #1
top holder share
AI Holders Summary · Q1 2026

32 institutions reported MICROSOFT CORP in Q1 2026. IMC-Chicago, LLC leads at 42.5% of the visible book. -37 net institutions QoQ — distribution reading.

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 2026
02
Optiver Holding B.V.
CIK 0001859606· Market maker
$2.0B5.3M0.68%Q1 2026
03
JPMORGAN CHASE & CO
CIK 0000019617
$1.8B4.9M0.11%Q1 2026
04
SIMPLEX TRADING, LLC
CIK 0001488542
$1.5B4.2M1.04%Q1 2026
05
1832 Asset Management L.P.
CIK 0000944388
$1.3B3.5M1.19%Q1 2026
06
GROUP ONE TRADING LLC
CIK 0000932540
$431M1.2M0.83%Q1 2026
07
Gladius Capital Management LP
CIK 0001540656
$89M240K3.96%Q1 2026
08
Groupe la Francaise
CIK 0002056088
$85M230K1.17%Q1 2026
09
HRT FINANCIAL LP
CIK 0001475597
$80M165K0.25%Q4 2025
10
NATIONAL BANK OF CANADA /FI/
CIK 0000926171
$74M2K0.07%Q1 2026
11
Assenagon Asset Management S.A.
CIK 0001546007
$24M65K0.04%Q1 2026
12
Garda Capital Partners LP
CIK 0001666905
$19M53K5.05%Q1 2026
13
PING CAPITAL MANAGEMENT, INC.
CIK 0001804352
$18M48K5.06%Q1 2026
14
CIBC Bancorp USA Inc.
CIK 0001711924
$12M34K0.02%Q1 2026
15
Cobler Capital Management, LLC
CIK 0002081038
$10M18K9.65%Q2 2025
16
Altshuler Shaham Ltd
CIK 0001324290
$9M4K0.17%Q1 2026
17
Marathon Trading Investment Management LLC
CIK 0001572748
$5M13K0.13%Q1 2026
18
CenterStar Asset Management, LLC
CIK 0001722053
$5M12K0.58%Q1 2026
19
Baer Investment Advisory LLC
CIK 0002057153
$2M3792.30%Q1 2026
20
Kurv Investment Management LLC
CIK 0002027462
$871,8422190.50%Q1 2026
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