13F Insight
DOSSIER · 13F Holders · Q1 2026Inflation hedgeYield

MICROSOFT CORP PUT

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

CUSIP 594918954·31 13F holders·last filed Mar 31, 2026
Market cap
—
▼ 9.1%
vs prior quarter
13F value held
$6.3B
52.0% inst. owned
of float
Holders
31
+23 QoQ
filers reporting
Activity
+53 / −65
+837 added · −835 reduced
this quarter
Concentration
30.53%
IMC-Chicago, LLC #1
top holder share
AI Holders Summary · Q1 2026

31 institutions reported MICROSOFT CORP PUT in Q1 2026. IMC-Chicago, LLC leads at 30.5% of the visible book. +23 net new institutions vs prior quarter — accumulation reading.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
IMC-Chicago, LLC
CIK 0001452861· Market maker
$1.9B5.2M0.70%Q1 202602
Optiver Holding B.V.
CIK 0001859606· Market maker
$1.4B3.9M0.49%Q1 202603
NATIONAL BANK OF CANADA /FI/
CIK 0000926171
$1.2B32K1.05%Q1 202604
SIMPLEX TRADING, LLC
CIK 0001488542
$876M2.4M0.59%Q1 202605
HRT FINANCIAL LP
CIK 0001475597
$224M463K0.71%Q4 202506
JPMORGAN CHASE & CO
CIK 0000019617
$218M608K0.01%Q1 202607
GROUP ONE TRADING LLC
CIK 0000932540
$127M344K0.24%Q1 202608
Gladius Capital Management LP
CIK 0001540656
$95M257K4.23%Q1 202609
Marathon Trading Investment Management LLC
CIK 0001572748
$74M201K2.03%Q1 202610
Maven Securities LTD
CIK 0001633046
$73M198K1.41%Q1 202611
Assenagon Asset Management S.A.
CIK 0001546007
$63M170K0.10%Q1 202612
OVERSEA-CHINESE BANKING Corp Ltd
CIK 0001291318
$29M80K0.77%Q1 202613
CenterStar Asset Management, LLC
CIK 0001722053
$5M14K0.67%Q1 202614
Focus Partners Wealth
CIK 0001542153
$5M11K0.01%Q4 202515
Cutler Capital Management, LLC
CIK 0001353098
$3M9K0.90%Q1 202616
Kurv Investment Management LLC
CIK 0002027462
$2M2881.03%Q1 202617
All Terrain Financial Advisors, LLC
CIK 0001731358
$1M4K0.33%Q1 202618
OSAIC HOLDINGS, INC.
CIK 0001677044
$1M3K0.00%Q1 202619
Fortis Capital Management LLC
CIK 0001802167
$1M3K0.12%Q1 202620
Pacific Sage Partners, LLC
CIK 0001936845
$1M1650.17%Q1 2026
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