13F Insight
DOSSIER · 13F Holders · Q2 2026
MARA 0 03/01/30

MARA HOLDINGS INC

37 institutions still hold MARA HOLDINGS INC as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 565788AF3·37 13F holders·last filed Jun 30, 2026
Market cap
—
13F value held
$578M
visible holders
Holders
37
filers reporting
Concentration
19.06%
Context Capital Management, LLC #1
top holder share
AI Holders Summary · Q2 2026

37 institutions reported MARA 0 03/01/30 in Q2 2026. Context Capital Management, LLC leads at 19.1% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter
01
Context Capital Management, LLC
CIK 0001301396
$110M109.8M2.14%Q2 202602
Point72 Asset Management, L.P.
CIK 0001603466
$97M109.7M0.12%Q1 202603
D. E. Shaw & Co., Inc.
CIK 0001009207
$69M87.9M0.04%Q4 202504
WHITEBOX ADVISORS LLC
CIK 0001257391
$62M69.8M0.76%Q1 202605
ARISTEIA CAPITAL, L.L.C.
CIK 0001080171
$38M43.2M0.79%Q1 202606
HIGHBRIDGE CAPITAL MANAGEMENT LLC
CIK 0000919185
$31M35.3M1.02%Q1 202607
STATE STREET CORP
CIK 0000093751
$19M22.1M0.00%Q1 202608
DLD Asset Management, LP
CIK 0001578299
$18M20.0M1.61%Q1 202609
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
$16M17.9M0.01%Q1 202610
CAPSTONE INVESTMENT ADVISORS, LLC
CIK 0001426196
$16M17.5M0.03%Q1 202611
Graham Capital Management, L.P.
CIK 0001315421
$15M17.0M0.36%Q1 202612
BlackRock, Inc.
CIK 0002012383
$14M16.0M0.00%Q1 202613
BANK OF AMERICA CORP /DE/
CIK 0000070858
$13M14.8M0.00%Q1 202614
CSS LLC/IL
CIK 0001103646
$12M12.9M0.55%Q1 202615
K2 PRINCIPAL FUND, L.P.
CIK 0001461790
$11M13K0.77%Q1 202616
Sculptor Capital LP
CIK 0001054587
$11M12.3M0.11%Q1 202617
FMR LLC
CIK 0000315066
$8M8.9M0.00%Q1 202618
SSI INVESTMENT MANAGEMENT LLC
CIK 0000938487
$6M7.2M0.44%Q1 202619
Calamos Advisors LLC
CIK 0001316507
$6M7.0M0.02%Q1 202620
FRANKLIN RESOURCES INC
CIK 0000038777
$5M6.0M0.00%Q1 2026
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