Calumet, Inc. (CLMT)
Who owns Calumet, Inc. (CLMT)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 67.1% of the shares are freely tradable; institutional investors hold 53.3%.
Ownership Structure
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Two Seas Capital LP | 6.84 | 5,960,292 | -14.6 | 03/31/2026 |
| BlackRock Inc | 5.72 | 4,980,528 | +0.8 | 03/31/2026 |
| Vanguard Group Inc | 5.40 | 4,703,040 | +1.3 | 12/31/2025 |
| Wasserstein Debt Opportunities Management LP | 5.25 | 4,573,363 | -17.9 | 03/31/2026 |
| Vanguard Capital Management, LLC | 3.94 | 3,435,394 | +0.0 | 03/31/2026 |
| Adams Asset Advisors LLC | 3.67 | 3,202,232 | -37.9 | 03/31/2026 |
| State Street Corp | 3.53 | 3,080,159 | +42.9 | 03/31/2026 |
| Geode Capital Management, LLC | 2.15 | 1,872,859 | +12.9 | 03/31/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Vanguard Total Stock Mkt Idx Inv | 3.03 | 2,638,139 | +0.3 | 04/30/2026 |
| SttStrtSPDRS&POil&GasExplor&ProdtnETF | 1.95 | 1,700,240 | +0.0 | 05/31/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 9. Jul 2026 | Boss John G. | Director | Other | 2,827 | 0.00 | – |
| 9. Jul 2026 | Boss John G. | Director | Other | 7,067 | 0.00 | – |
| 9. Jul 2026 | Mawer Stephen P | Director | Other | 5,512 | 0.00 | – |
| 9. Jul 2026 | Mawer Stephen P | Director | Other | 13,780 | 0.00 | – |
| 9. Jul 2026 | Raymond Paul C | Director | Other | 2,827 | 0.00 | – |
| 9. Jul 2026 | Raymond Paul C | Director | Other | 7,067 | 0.00 | – |
| 9. Jul 2026 | Sajkowski Daniel J | Director | Other | 2,827 | 0.00 | – |
| 9. Jul 2026 | Sajkowski Daniel J | Director | Other | 7,067 | 0.00 | – |
| 9. Jul 2026 | Schumacher Amy M | Director | Other | 7,067 | 0.00 | – |
| 9. Jul 2026 | Quintana Julio M | Director | Other | 7,067 | 0.00 | – |
| 9. Jul 2026 | Narwold Karen G | Director | Other | 7,067 | 0.00 | – |
| 9. Jul 2026 | Twitchell Karen A. | Director | Other | 7,067 | 0.00 | – |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character.
View all insider transactions →Data as of: July 31, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.