Security Snapshot

Calumet, Inc. /DE - Common Stock (CLMT) Institutional Ownership

CUSIP: 131428104

13F Institutional Holders and Ownership History from Q2 2024 to Q1 2026

Latest Period

Q4 2025

Institutions Reporting

140

Shares (Excl. Options)

45,056,162

Price

$19.87

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Type / Class
Equity / Common Stock
Symbol
CLMT on Nasdaq
Underlying class
Common Stock, par value $0.01 per share
Shares outstanding
86,412,511
Price per share
$35.90
All holders as of 31 Dec 2025
Q4 2025
Total 13F shares
45,056,162
Total reported value
$895,115,952
% of total 13F portfolios
0.02%
Share change
-99,909
Value change
-$813,475
Number of holders
140
Price from insider filings
$35.90
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

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Quick Takeaways

  • CLMT - Calumet, Inc. /DE - Common Stock is tracked under CUSIP 131428104.
  • 140 institutions reported positions in Q4 2025.
  • 5 significant owners is listed from Schedule 13D/13G reporting.

What Changed

  • Holder count moved from 140 to 8 between Q4 2025 and Q1 2026.
  • Reported value moved from $895,115,952 to $3,746,715.

Why This Matters

  • You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
  • 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.

Source Evidence

Source: SEC Form 13F

Latest holder context comes from 140 institutions filings for Q4 2025.

Open SEC Evidence

Investment Quick Answers

What is CUSIP 131428104?
CUSIP 131428104 identifies CLMT - Calumet, Inc. /DE - Common Stock in SEC 13F datasets.

Where can I see the latest institutional holders?
Review the Q4 2025 holders report and the ownership history table below.

Significant Owners of Calumet, Inc. /DE - Common Stock (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
BlackRock, Inc. 5.4% $74,179,424 4,708,310 BlackRock, Inc. 30 Jun 2025
Adams Asset Advisors, LLC 4.7% -23% $114,287,458 -$33,480,184 4,061,388 -23% Adams Asset Advisors, LLC 16 Jan 2026

As of 31 Dec 2025, 140 institutional investors reported holding 45,056,162 shares of Calumet, Inc. /DE - Common Stock (CLMT). This represents 52% of the company’s total 86,412,511 outstanding shares.

Top 25 Institutional Shareholders

The largest institutional shareholders of Calumet, Inc. /DE - Common Stock (CLMT) together control 48% 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 8.1% 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 6% 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 2.6% 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 0.89% 767,830 -14% 0.01% $15,256,783
BROWN ADVISORY INC 0.83% 715,724 -6.5% 0.02% $14,221,436
BANK OF AMERICA CORP /DE/ 0.81% 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 0.64% 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 0.42% 358,628 +90% 0% $7,125,938
GOLDMAN SACHS GROUP INC 0.4% 348,115 +128% 0% $6,917,045
ROYAL BANK OF CANADA 0.37% 317,328 -11% 0% $6,305,000
BNP PARIBAS FINANCIAL MARKETS 0.34% 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 0.3% 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 (CLMT) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2026 Q1 107,186 $3,746,715 +$81,780 $35.90 8
2025 Q4 45,056,162 $895,115,952 -$813,475 $19.87 140
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

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