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

MARA HOLDINGS INC

33 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 565788AF3·33 13F holders·last filed Jun 30, 2026
Market cap
—
13F value held
$632M
visible holders
Holders
33
filers reporting
Concentration
17.43%
Context Capital Management, LLC #1
top holder share
AI Holders Summary · Q2 2026

33 institutions reported MARA 0 03/01/30 in Q2 2026. Context Capital Management, LLC leads at 17.4% 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
WHITEBOX ADVISORS LLC
CIK 0001257391
$72M72.3M0.94%Q2 202604
D. E. Shaw & Co., Inc.
CIK 0001009207
$69M87.9M0.04%Q4 202505
ARISTEIA CAPITAL, L.L.C.
CIK 0001080171
$49M48.7M0.64%Q2 202606
Graham Capital Management, L.P.
CIK 0001315421
$46M45.9M0.84%Q2 202607
LINDEN ADVISORS LP
CIK 0001279396
$30M29.8M0.15%Q2 202608
DeepCurrents Investment Group LLC
CIK 0001754535
$29M28.5M0.87%Q2 202609
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
$21M20.9M0.01%Q2 202610
CAPSTONE INVESTMENT ADVISORS, LLC
CIK 0001426196
$16M16.0M0.03%Q2 202611
STATE STREET CORP
CIK 0000093751
$16M15.6M0.00%Q2 202612
K2 PRINCIPAL FUND, L.P.
CIK 0001461790
$13M13K0.92%Q2 202613
BlackRock, Inc.
CIK 0002012383
$12M12.4M0.00%Q2 202614
Nantahala Capital Management, LLC
CIK 0001472322
$10M10.0M0.17%Q2 202615
CSS LLC/IL
CIK 0001103646
$10M9.5M0.37%Q2 202616
FMR LLC
CIK 0000315066
$8M7.8M0.00%Q2 202617
Fort Baker Capital Management LP
CIK 0001688382
$7M7.0M0.51%Q2 202618
Calamos Advisors LLC
CIK 0001316507
$7M7.0M0.02%Q2 202619
BTG Pactual Asset Management US LLC
CIK 0001569579
$6M6.0M0.37%Q2 202620
UBS Group AG
CIK 0001610520
$5M4.5M0.00%Q2 2026
Page 1 of 2
13 more holders available. Log in →