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Calumet
CLMT
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Overview
Overview
News
News
Posts
Posts
Financials
Financials
Forecast
Forecast
Valuation
Valuation
Shareholders
Shareholders
Profile
Profile
All Shareholders
Institutional Holders
Insiders
All Shareholders
Shareholder Type
Institutions
39.37%
Public and others
32.90%
Private companies
17.68%
Hedge funds
6.84%
Individuals & Insiders
3.21%
Major Shareholders
Latest
Major Shareholders Latest
Shareholder
% Held
Shares Held
Change %
Shares Changed
Report Date
The Heritage Group
16.67%
14.52M
0.83%
+735.98K
06/05/2026
Two Seas Capital LP
6.84%
5.96M
1.20%
-1.02M
03/31/2026
Wasserstein & Co., L.P.
5.25%
4.57M
1.17%
-1.00M
03/31/2026
Vanguard Capital Management, LLC
3.94%
3.44M
--
+3.44M
03/31/2026
State Street Global Advisors, Inc.
3.53%
3.08M
1.05%
+925.14K
03/31/2026
Adams Asset Advisors LLC
2.30%
2.01M
1.38%
-1.20M
06/30/2026
Geode Capital Management, LLC
2.15%
1.87M
0.24%
+213.43K
03/31/2026
Bank of America Corporation
1.19%
1.04M
0.47%
+411.49K
03/31/2026
Jennifer Straumins
Former Independent Director
1.08%
943.44K
<0.01%
+0
04/06/2026
Vanguard Portfolio Management, LLC
1.07%
930.25K
--
+930.25K
03/31/2026
Calumet Specialty Products Partners, L.P.
1.01%
882.97K
<0.01%
-5.22K
04/06/2026
Wellington Management Group LLP
0.95%
830.56K
--
+830.56K
03/31/2026
Marshall Wace LLP
0.95%
824.03K
0.06%
+56.20K
03/31/2026
Morgan Stanley
0.89%
772.82K
0.44%
+384.12K
03/31/2026
Voleon Capital Management LP
0.78%
681.93K
0.60%
+520.58K
03/31/2026
Barclays PLC
0.78%
676.07K
0.58%
+506.64K
03/31/2026
Northern Trust Global Investments
0.67%
581.09K
0.03%
+27.89K
03/31/2026
Brown Advisory Incorporated
0.65%
565.72K
0.18%
-150.00K
03/31/2026
Bruce Fleming
Executive Vice President of Montana Renewables & Corporate Development
0.63%
549.96K
<0.01%
+0
04/06/2026
Charles Schwab Investment Management, Inc.
0.62%
540.67K
<0.01%
+0
06/30/2026