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Who owns Calumet (CLMT) stock

186 funds reported Calumet (CLMT) shares in their latest 13F filings, worth $1.8B in all. The largest holder is Two Seas Capital LP ($277M). Last quarter 100 funds added to their stakes and 74 cut them.

Largest holders of CLMT (13F)Largest holders of CLMT (13F)Two Seas Capital LP$277MBlackRock$189MWasserstein Debt Opportunities Ma…$143MState Street$125MVanguard Capital Management LLC$124MVanguard Group$93.4MBarclays$76.7MGeode Capital Management, LLC$70.7MVanguard Portfolio Management LLC$36.9MBank of America$35.3M

Largest holders (13F)

FundSharesValueChangeQuarter
Two Seas Capital LP5,280,659$277Mdecrease2026-09-30
BlackRock5,234,106$189Mincrease2026-06-30
Wasserstein Debt Opportunities Management, L.P.3,964,893$143Mdecrease2026-06-30
State Street3,471,065$125Mincrease2026-06-30
Vanguard Capital Management LLC3,453,911$124Mincrease2026-06-30
Vanguard Group4,703,040$93.4Mincrease2025-12-31
Barclays1,465,182$76.7Mincrease2026-09-30
Geode Capital Management, LLC1,962,286$70.7Mincrease2026-06-30
Vanguard Portfolio Management LLC1,025,321$36.9Mincrease2026-06-30
Bank of America981,353$35.3Mdecrease2026-06-30
Wellington Management Group LLP811,482$29.2Mdecrease2026-06-30
Citadel Advisors LLC762,084$27.5Mincrease2026-06-30
Morgan Stanley708,206$25.5Mdecrease2026-06-30
Marshall Wace, LLP617,138$22.2Mdecrease2026-06-30
Northern Trust615,263$22.2Mincrease2026-06-30

Calumet's latest quarter

Calumet, Q3 2026: revenue $1.7B (+56% year over year), operating margin 27.0%, net earnings $256M, operating cash flow $218M. The chart follows the revenue to costs, profit and cash.

Questions

Who owns the most CLMT stock?

By the latest 13F filings: Two Seas Capital LP ($277M); BlackRock ($189M); Wasserstein Debt Opportunities Management, L.P. ($143M); State Street ($125M); Vanguard Capital Management LLC ($124M).

What is the short interest in CLMT?

4,346,405 shares were sold short at the 2026-10-15 settlement, 21.33% of the float.

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Updated Nov 8, 2026. Read automatically from SEC filings and public data; errors are possible. Not investment advice.