CLMT: Calumet, Inc. insider trading, 5% holders and institutional ownership
From public SEC filings: open-market insider purchases and sales (Form 4, last 180 days), holders of 5% or more (Schedules 13D and 13G) and institutional ownership (Form 13F). Insider and 5% data delayed 48 hours.
Insider trading
0 open-market buys totaling - and 1 sales totaling - in the last 180 days.
Insider sales
| Trade date | Insider | Role | Value | 10b5-1 plan |
|---|---|---|---|---|
| 2026-09-25 | Mawer Stephen P | Director | - |
Activist and 5% holders
| Filed | What | Holder | Stake | Change | Filing |
|---|---|---|---|---|---|
| 2026-08-14 | 13G amendment | Two Seas Capital LP | 7.50% | SEC | |
| 2026-08-14 | Fell below 5% | Wasserstein Management L.P. | 4.60% | SEC |
Institutional ownership (Q2 2026)
188 institutions reported holding $1.65B of Calumet, Inc. on Form 13F (181 the quarter before). 34 opened a new position and 29 sold out. Shares held by institutions: +1%.
| Largest holders | Shares | Value |
|---|---|---|
| Two Seas Capital LP | 6,619,708 | $238.44M |
| BlackRock, Inc. | 5,234,106 | $188.53M |
| Wasserstein Management, L.P. | 3,964,893 | $142.82M |
| STATE STREET CORP | 3,471,065 | $125.03M |
| VANGUARD CAPITAL MANAGEMENT LLC | 3,453,911 | $124.41M |
| Adams Asset Advisors, LLC | 2,006,206 | $72.26M |
| GEODE CAPITAL MANAGEMENT, LLC | 1,962,286 | $70.69M |
| BARCLAYS PLC | 1,409,773 | $50.78M |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 1,025,321 | $36.93M |
| BANK OF AMERICA CORP /DE/ | 981,353 | $35.35M |
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