CALUMET INC (CLMT) Institutional Shareholders
CALUMET INC (CLMT) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026. The institutional investors covered on this page collectively reported approximately $1.65B in CLMT holdings during the latest filing period.
Two Seas Capital Lp is currently the largest disclosed institutional shareholder of CLMT tracked by InsiderSet, reporting ownership valued at approximately $238.44M in its June 30, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $390.56M, representing an estimated gain of +63.80% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 66% of the total disclosed CLMT value among the investors covered in this analysis. Major shareholders include Two Seas Capital Lp, Blackrock, Inc., Wasserstein Management, L.P., and several other long-term asset managers with concentrated positions in CALUMET INC (CLMT).
This page ranks the largest institutional CLMT shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
183
Total Reported Value
$1.65B
Largest Holder
Two Seas Capital Lp
Largest Position
$238.44M
Insider Transactions (90d)
0
Latest Filing Quarter
Q2 2026
New Institutional Positions
92
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Two Seas Capital Lp | 9.10% | 6,619,708 | $238,441,882 | $390,562,772 | +$152,120,890 | +63.80% | |
| Blackrock, Inc. | 0.00% | 5,234,106 | $188,532,498 | $308,812,254 | +$120,279,756 | +63.80% | |
| Wasserstein Management, L.P. | 59.61% | 3,964,893 | $142,815,446 | $233,928,687 | +$91,113,241 | +63.80% | |
| State Street Corp | 0.00% | 3,471,065 | $125,027,761 | $204,792,835 | +$79,765,074 | +63.80% | |
| Vanguard Capital Management Llc | 0.00% | 3,453,911 | $124,409,874 | $203,780,749 | +$79,370,875 | +63.80% | |
| Adams Asset Advisors, Llc | 8.20% | 2,006,206 | $72,263,540 | $118,366,154 | +$46,102,614 | +63.80% | |
| Geode Capital Management, Llc | 0.00% | 1,962,286 | $70,693,348 | $115,774,874 | +$45,081,526 | +63.77% | |
| Barclays Plc | 0.02% | 1,409,773 | $50,780,023 | $83,176,607 | +$32,396,584 | +63.80% | |
| Vanguard Portfolio Management Llc | 0.00% | 1,025,321 | $36,932,062 | $60,493,939 | +$23,561,877 | +63.80% | |
| Bank Of America Corp | 0.00% | 981,353 | $35,348,335 | $57,899,827 | +$22,551,492 | +63.80% | |
| Wellington Management Group Llp | 0.01% | 811,482 | $29,229,582 | $47,877,438 | +$18,647,856 | +63.80% | |
| Citadel Advisors Llc | 0.02% | 762,084 | $27,450,266 | $44,962,956 | +$17,512,690 | +63.80% | |
| Morgan Stanley | 0.00% | 708,206 | $25,509,581 | $41,784,154 | +$16,274,573 | +63.80% | |
| Marshall Wace, Llp | 0.02% | 617,138 | $22,229,309 | $36,411,142 | +$14,181,833 | +63.80% | |
| Northern Trust Corp | 0.00% | 615,263 | $22,161,774 | $36,300,517 | +$14,138,743 | +63.80% | |
| Voleon Capital Management Lp | 0.40% | 612,506 | $22,062,466 | $36,137,854 | +$14,075,388 | +63.80% | |
| Charles Schwab Investment Management Inc | 0.00% | 552,791 | $19,911,532 | $32,614,669 | +$12,703,137 | +63.80% | |
| Brown Advisory Inc | 0.03% | 535,044 | $19,272,285 | $31,567,596 | +$12,295,311 | +63.80% | |
| Citigroup Inc | 0.01% | 480,623 | $17,312,041 | $28,356,757 | +$11,044,716 | +63.80% | |
| Bnp Paribas Financial Markets | 0.01% | 479,261 | $17,262,981 | $28,276,399 | +$11,013,418 | +63.80% | |
| Vanguard Fiduciary Trust Co | 0.00% | 471,716 | $16,991,210 | $27,831,244 | +$10,840,034 | +63.80% | |
| Dimensional Fund Advisors Lp | 0.00% | 422,091 | $15,203,718 | $24,903,369 | +$9,699,651 | +63.80% | |
| Susquehanna International Group, Llp | 0.01% | 386,077 | $13,906,494 | $22,778,543 | +$8,872,049 | +63.80% | |
| Goldman Sachs Group Inc | 0.00% | 385,555 | $13,887,691 | $22,747,745 | +$8,860,054 | +63.80% | |
| Jpmorgan Chase & Co | 0.00% | 338,696 | $12,255,831 | $19,983,064 | +$7,727,233 | +63.05% | |
| Renaissance Technologies LLC | Jim Simons | 0.02% | 321,700 | $11,587,634 | $18,980,300 | +$7,392,666 | +63.80% |
| Royal Bank Of Canada | 0.00% | 309,840 | $11,161,000 | $18,280,560 | +$7,119,560 | +63.79% | |
| Millennium Management Llc | 0.01% | 305,557 | $11,006,163 | $18,027,863 | +$7,021,700 | +63.80% | |
| First Trust Advisors Lp | 0.01% | 299,494 | $10,787,773 | $17,670,146 | +$6,882,373 | +63.80% | |
| Hennessy Advisors Inc | 0.33% | 283,200 | $10,200,864 | $16,708,800 | +$6,507,936 | +63.80% | |
| Healthcare Of Ontario Pension Plan Trust Fund | 0.01% | 264,107 | $9,513,134 | $15,582,313 | +$6,069,179 | +63.80% | |
| Apis Capital Advisors, Llc | 0.81% | 232,000 | $8,356,640 | $13,688,000 | +$5,331,360 | +63.80% | |
| Janus Henderson Group Plc | 0.00% | 217,948 | $7,823,864 | $12,858,932 | +$5,035,068 | +64.36% | |
| Diametric Capital, Lp | 0.79% | 206,372 | $7,433,519 | $12,175,948 | +$4,742,429 | +63.80% | |
| Bank Of New York Mellon Corp | 0.00% | 192,348 | $6,928,366 | $11,348,532 | +$4,420,166 | +63.80% | |
| One8Zero8, Llc | 1.33% | 186,020 | $6,700,440 | $10,975,180 | +$4,274,740 | +63.80% | |
| Group One Trading Llc | 0.19% | 180,041 | $6,485,077 | $10,622,419 | +$4,137,342 | +63.80% | |
| Sagefield Capital Lp | 0.44% | 166,505 | $5,997,510 | $9,823,795 | +$3,826,285 | +63.80% | |
| Raymond James Financial Inc | 0.00% | 165,035 | $5,944,561 | $9,737,065 | +$3,792,504 | +63.80% | |
| Wells Fargo & Company/Mn | 0.00% | 160,208 | $5,770,699 | $9,452,272 | +$3,681,573 | +63.80% | |
| Nuveen, Llc | 0.00% | 159,071 | $5,729,738 | $9,385,189 | +$3,655,451 | +63.80% | |
| Trexquant Investment Lp | 0.04% | 158,352 | $5,703,839 | $9,342,768 | +$3,638,929 | +63.80% | |
| Swiss National Bank | 0.00% | 139,300 | $5,017,586 | $8,218,700 | +$3,201,114 | +63.80% | |
| Ubs Am, A Distinct Business Unit Of Ubs Asset Management Americas Llc | 0.00% | 130,236 | $4,675,473 | $7,683,924 | +$3,008,451 | +64.35% | |
| Invesco Ltd. | 0.00% | 124,906 | $4,499,114 | $7,369,454 | +$2,870,340 | +63.80% | |
| Federated Hermes, Inc. | 0.01% | 119,472 | $4,303,381 | $7,048,848 | +$2,745,467 | +63.80% | |
| Mariner, Llc | 0.00% | 117,130 | $4,219,025 | $6,910,670 | +$2,691,645 | +63.80% | |
| Focus Partners Wealth | 0.00% | 110,136 | $3,967,099 | $6,498,024 | +$2,530,925 | +63.80% | |
| Fas Wealth Partners, Inc. | 0.21% | 109,371 | $3,939,544 | $6,452,889 | +$2,513,345 | +63.80% | |
| Imc-Chicago, Llc | 0.04% | 106,934 | $3,851,763 | $6,309,106 | +$2,457,343 | +63.80% |
Frequently asked questions about CLMT
Who owns the most CLMT stock?
The largest holders of CLMT are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for CALUMET INC (CLMT).
Is CLMT widely held by superinvestors?
Many widely followed stocks like CLMT appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly CLMT is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.