13F Insight
DOSSIER · 13F Holders · Q1 2026Cheap mega-capRe-rated
CLMT

CALUMET INC

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

CUSIP 131428104·196 13F holders·last filed Mar 31, 2026
Market cap
—
▲ 4.7%
vs prior quarter
13F value held
$1.5B
75.0% inst. owned
of float
Holders
196
+43 QoQ
filers reporting
Activity
+72 / −38
+881 added · −901 reduced
this quarter
Concentration
14.10%
Two Seas Capital LP #1
top holder share
AI Holders Summary · Q1 2026

196 institutions reported CLMT in Q1 2026. Two Seas Capital LP leads at 14.1% of the visible book. +43 net new institutions vs prior quarter — accumulation reading.

Top holders

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

#HolderValueShares% port.Quarter
01
Two Seas Capital LP
CIK 0001823138
$214M6.0M2.99%Q1 202602
BlackRock, Inc.
CIK 0002012383
$179M5.0M0.00%Q1 202603
Wasserstein Debt Opportunities Management, L.P.
CIK 0001751492
$164M4.6M86.96%Q1 202604
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$123M3.4M0.00%Q1 202605
Adams Asset Advisors, LLC
CIK 0001386929
$115M3.2M12.90%Q1 202606
STATE STREET CORP
CIK 0000093751
$111M3.1M0.00%Q1 202607
GOLDMAN SACHS GROUP INC
CIK 0000886982
$105M2.9M0.01%Q1 202608
SUSQUEHANNA INTERNATIONAL GROUP, LLP
CIK 0001446194· Market maker
$88M2.5M0.01%Q1 202609
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$67M1.9M0.00%Q1 202610
Graham Capital Management, L.P.
CIK 0001315421
$62M1.7M1.49%Q1 202611
BANK OF AMERICA CORP /DE/
CIK 0000070858
$41M1.2M0.00%Q1 202612
MORGAN STANLEY
CIK 0000895421
$38M1.1M0.00%Q1 202613
Vanguard Portfolio Management
CIK 0002100121
$33M930K0.00%Q1 202614
WELLINGTON MANAGEMENT GROUP LLP
CIK 0000902219
$30M831K0.01%Q1 202615
CITADEL ADVISORS LLC
CIK 0001423053
$28M1.4M0.00%Q4 202516
JANE STREET GROUP, LLC
CIK 0001595888· Market maker
$26M735K0.00%Q1 202617
Voleon Capital Management LP
CIK 0001479847
$24M682K0.53%Q1 202618
BARCLAYS PLC
CIK 0000312069
$24M678K0.01%Q1 202619
Parallax Volatility Advisers, L.P.
CIK 0001521001
$23M718K0.06%Q1 202620
NORTHERN TRUST CORP
CIK 0000073124· Index
$21M581K0.00%Q1 2026
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