Calumet, Inc. /DE (CLMT) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

86,814,404Shares Outstanding

370,134Shares held by institutions

$10,633,950Value of institutional holdings

52.14%Institutional ownership %

1.72%Shares Changed QoQ

135No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

Calumet, Inc. /DE (NASDAQ:CLMT) currently has 135 active institutional owners and shareholders as of today (December 2025), that have filed 13F forms with the Securities Exchange Commission (SEC).

Calumet saw its institutional ownership percentage fell to 52.1% in December 2025 from 53.3% in September 2025.
Institutional share ownership changed by 1.72% QoQ, while the number of institutional owners saw an increase of 9.76% YoY.
Among the 135 institutional holders of Calumet, 52 added to their stakes while 55 trimmed their positions and 28 held steady.
The aggregate institutional position in Calumet now stands at 45.27Mn shares as of December 2025, after investors increased their holdings (up by 763.56K shares quarter on quarter which is up 2.31Mn shares year over year).
The top institutional stake in Calumet as of December 31, 2025 belongs to Two Seas Capital LP, which owns 6.98Mn shares, or 8.04% of the company.
Among the most significant buyers of Calumet during December 2025 were Two Seas Capital LP (1.22Mn), Walleye Trading LLC (342.10K), BANK OF AMERICA CORP /DE/ (336.75K), MORGAN STANLEY (329.75K), JANE STREET GROUP, LLC (208.00K).
Leading sellers of Calumet stock in December 2025 included Knott David M Jr (610.26K), GARNET EQUITY CAPITAL HOLDINGS, INC. (270.22K), Adams Asset Advisors, LLC (250.00K), Wasserstein Debt Opportunities Management, L.P. (243.61K), Caption Management, LLC (234.54K).
The top 10 institutional holders of Calumet for the quarter ending December 2025 included Two Seas Capital LP (6.98Mn), Wasserstein Debt Opportunities Management, L.P. (5.57Mn), Adams Asset Advisors, LLC (5.16Mn), BlackRock, Inc. (4.94Mn), VANGUARD GROUP INC (4.70Mn), Knott David M Jr (2.21Mn), STATE STREET CORP (2.16Mn), GEODE CAPITAL MANAGEMENT, LLC (1.66Mn), MORGAN STANLEY (1.12Mn), MARSHALL WACE, LLP (767.83K).

135 Institutional Holders

370,134 Total Shares Held

Rows:

Download Data

Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
Two Seas Capital LP	31 Dec, 2025	6,976,229	1,223,691	21.27%	$138,617,670.00
Wasserstein Debt Opportunities Management, L.P.	31 Dec, 2025	5,573,398	-243,614	-4.19%	$110,743,418.00
Adams Asset Advisors, LLC	31 Dec, 2025	5,156,271	-250,000	-4.62%	$102,455,105.00
BlackRock, Inc.	31 Dec, 2025	4,940,577	2,091	0.04%	$98,169,266.00
VANGUARD GROUP INC	31 Dec, 2025	4,703,040	58,376	1.26%	$93,449,405.00
Knott David M Jr	31 Dec, 2025	2,214,969	-610,262	-21.60%	$44,011,434.00
STATE STREET CORP	31 Dec, 2025	2,155,015	-50,669	-2.30%	$42,820,148.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	1,659,429	-17,388	-1.04%	$32,977,884.00
MORGAN STANLEY	31 Dec, 2025	1,117,977	329,750	41.83%	$22,214,203.00
MARSHALL WACE, LLP	31 Dec, 2025	767,830	-123,560	-13.86%	$15,256,783.00
BROWN ADVISORY INC	31 Dec, 2025	715,724	-50,000	-6.53%	$14,221,436.00
BANK OF AMERICA CORP /DE/	31 Dec, 2025	698,759	336,751	93.02%	$13,884,342.00
JANE STREET GROUP, LLC	31 Dec, 2025	578,900	208,000	56.08%	$11,502,743.00
NORTHERN TRUST CORP	31 Dec, 2025	553,200	-39,410	-6.65%	$10,992,083.00
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	31 Dec, 2025	550,496	-5,237	-0.94%	$10,938,356.00
UBS Group AG	31 Dec, 2025	358,628	169,900	90.02%	$7,125,938.00
GOLDMAN SACHS GROUP INC	31 Dec, 2025	348,115	195,627	128.29%	$6,917,045.00
Walleye Trading LLC	31 Dec, 2025	342,100	342,100	0.00%	$6,797,527.00
ROYAL BANK OF CANADA	31 Dec, 2025	317,328	-38,647	-10.86%	$6,305,000.00
BNP PARIBAS FINANCIAL MARKETS	31 Dec, 2025	290,729	9,605	3.42%	$5,776,785.00

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