Calumet, Inc. /DE - Common Stock, par value $0.01 per share (CLMT) Institutional Ownership

13F Institutional Holders and Ownership History from Q2 2024 to Q4 2025

Type / Class
Equity / Common Stock, par value $0.01 per share
Symbol
CLMT on Nasdaq
Shares outstanding
87,077,731
Price per share
$20.85
All holders as of 31 Dec 2025
Q4 2025
Total 13F shares
45,045,470
Total reported value
$894,903,502
% of total 13F portfolios
0.02%
Share change
-99,909
Value change
-$813,475
Number of holders
139
Price from insider filings
$20.85
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of Calumet, Inc. /DE - Common Stock, par value $0.01 per share (CLMT) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
Two Seas Capital LP 9.3% +19% $161,073,775 +$26,765,794 8,098,229 +20% Two Seas Capital LP 31 Dec 2025
Wasserstein Debt Opportunities Fund, LP 7.1% $66,225,192 6,098,084 Rajay Bagaria 31 Dec 2024
Wasserstein Debt Opportunities Management, L.P. 7% 0% $65,522,496 6,033,379 0% Bagaria Rajay 18 Mar 2025
Adams Asset Advisors, LLC 6.1% $57,027,598 5,251,160 Adams Asset Advisors, LLC 31 Dec 2024
BlackRock, Inc. 5.4% $74,179,424 4,708,310 BlackRock, Inc. 30 Jun 2025
VANGUARD GROUP INC 5.4% $73,532,146 4,667,226 The Vanguard Group 30 Jun 2025

As of 31 Dec 2025, 139 institutional investors reported holding 45,045,470 shares of Calumet, Inc. /DE - Common Stock, par value $0.01 per share (CLMT). This represents 52% of the company’s total 87,077,731 outstanding shares.

Top 25 Institutional Shareholders

The largest institutional shareholders of Calumet, Inc. /DE - Common Stock, par value $0.01 per share (CLMT) together control 47% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.

Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
Two Seas Capital LP 8% 6,976,229 +21% 8.1% $138,617,670
Wasserstein Debt Opportunities Management, L.P. 6.4% 5,573,398 -4.2% 100% $110,743,418
Adams Asset Advisors, LLC 5.9% 5,156,271 -4.6% 13% $102,455,105
BlackRock, Inc. 5.7% 4,940,577 +0.04% 0% $98,169,266
VANGUARD GROUP INC 5.4% 4,703,040 +1.3% 0% $93,449,405
Knott David M Jr 2.5% 2,214,969 -22% 20% $44,011,434
STATE STREET CORP 2.5% 2,155,015 -2.3% 0% $42,820,148
GEODE CAPITAL MANAGEMENT, LLC 1.9% 1,659,429 -1% 0% $32,977,884
MORGAN STANLEY 1.3% 1,117,977 +42% 0% $22,214,203
MARSHALL WACE, LLP 0.88% 767,830 -14% 0.01% $15,256,783
BROWN ADVISORY INC 0.82% 715,724 -6.5% 0.02% $14,221,436
BANK OF AMERICA CORP /DE/ 0.8% 698,759 +93% 0% $13,884,342
NORTHERN TRUST CORP 0.64% 553,200 -6.7% 0% $10,992,083
CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.63% 550,496 -0.94% 0% $10,938,356
RAYMOND JAMES FINANCIAL INC 0.57% 495,961 -4.3% 0% $9,854,745
UBS Group AG 0.41% 358,628 +90% 0% $7,125,938
GOLDMAN SACHS GROUP INC 0.4% 348,115 +128% 0% $6,917,045
ROYAL BANK OF CANADA 0.36% 317,328 -11% 0% $6,305,000
BNP PARIBAS FINANCIAL MARKETS 0.33% 290,729 0% 0% $5,776,785
Trexquant Investment LP 0.31% 265,637 +46% 0.05% $5,278,207
CITIGROUP INC 0.3% 260,958 +44% 0% $5,185,235
Rangeley Capital, LLC 0.3% 259,300 -22% 4.5% $5,152,291
FIRST TRUST ADVISORS LP 0.29% 255,118 +63% 0% $5,069,194
Mariner, LLC 0.27% 232,590 -37% 0.01% $4,621,682
Bank of New York Mellon Corp 0.24% 206,801 +6% 0% $4,109,135

Institutional Holders of Calumet, Inc. /DE - Common Stock, par value $0.01 per share (CLMT) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2025 Q4 45,045,470 $894,903,502 -$813,475 $19.87 139
2025 Q3 45,327,710 $827,261,131 +$19,058,964 $18.25 148
2025 Q2 44,375,848 $699,143,763 +$74,382,984 $15.76 134
2025 Q1 39,712,792 $503,549,426 +$20,401,127 $12.68 129
2024 Q4 37,050,550 $815,771,457 +$89,781,954 $22.02 123
2024 Q3 31,294,870 $557,725,506 +$536,163,797 $17.82 90
2024 Q2 69,614 $1,117,304 +$1,117,304 $16.05 3