Who owns Calumet, Inc. /DE?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of CLMT from SEC Form 13F filings across 188 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 188 institutions disclosed 46.0M shares of Calumet, Inc. /DE worth $1.66B — about 52.6% of shares outstanding; the largest disclosed holder is Two Seas Capital LP. Source: SEC Form 13F filings, parsed by EvidInvest.
188
13F holders
$1.66B
value, 2026 filers
52.6%
of shares outstanding (46.0M sh)
41
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of CLMT's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | Two Seas Capital LP | 6.6M | $238.4M | 4.7% | 7.6% | +11.1% |
| 2 | BlackRock, Inc. | 5.2M | $188.5M | 0.0% | 6% | +5.1% |
| 3 | Wasserstein Management, L.P. | 4.0M | $142.8M | 54.1% | 4.5% | -13.3% |
| 4 | STATE STREET CORP | 3.5M | $125.0M | 0.0% | 4% | +12.7% |
| 5 | VANGUARD CAPITAL MANAGEMENT LLC | 3.5M | $124.4M | 0.0% | 3.9% | +0.5% |
| 6 | Adams Asset Advisors, LLC | 2.0M | $72.3M | 8.2% | 2.3% | -37.3% |
| 7 | GEODE CAPITAL MANAGEMENT, LLC | 2.0M | $70.7M | 0.0% | 2.2% | +4.8% |
| 8 | BARCLAYS PLC | 1.4M | $50.8M | 0.0% | 1.6% | +108.0% |
| 9 | VANGUARD PORTFOLIO MANAGEMENT LLC | 1.0M | $36.9M | 0.0% | 1.2% | +10.2% |
| 10 | BANK OF AMERICA CORP /DE/ | 981,353 | $35.3M | 0.0% | 1.1% | -14.9% |
| 11 | WELLINGTON MANAGEMENT GROUP LLP | 811,482 | $29.2M | 0.0% | 0.9% | -2.3% |
| 12 | CITADEL ADVISORS LLC | 762,084 | $27.5M | 0.0% | 0.9% | +42.2% |
| 13 | MORGAN STANLEY | 708,206 | $25.5M | 0.0% | 0.8% | -32.7% |
| 14 | MARSHALL WACE, LLP | 617,138 | $22.2M | 0.0% | 0.7% | -25.1% |
| 15 | NORTHERN TRUST CORP | 615,263 | $22.2M | 0.0% | 0.7% | +5.9% |
| 16 | Voleon Capital Management LP | 612,506 | $22.1M | 0.4% | 0.7% | -10.2% |
| 17 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 552,791 | $19.9M | 0.0% | 0.6% | +2.2% |
| 18 | BROWN ADVISORY INC | 535,044 | $19.3M | 0.0% | 0.6% | -5.4% |
| 19 | CITIGROUP INC | 480,623 | $17.3M | 0.0% | 0.5% | -1.3% |
| 20 | BNP PARIBAS FINANCIAL MARKETS | 479,261 | $17.3M | 0.0% | 0.5% | +56.2% |
| 21 | VANGUARD FIDUCIARY TRUST CO | 471,716 | $17.0M | 0.0% | 0.5% | +8.3% |
| 22 | DIMENSIONAL FUND ADVISORS LPNEW | 422,091 | $15.2M | 0.0% | 0.5% | new |
| 23 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 386,077 | $13.9M | 0.0% | 0.4% | +57.4% |
| 24 | GOLDMAN SACHS GROUP INC | 385,555 | $13.9M | 0.0% | 0.4% | -4.1% |
| 25 | JPMORGAN CHASE & CO | 338,696 | $12.3M | 0.0% | 0.4% | -41.7% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.