Institutional HoldersBeta
Who holds a company, from every 13F filed for the quarter, one row per filer exactly as filed, against the latest share count the company reported.
Share classes (cover page of the 10-Q filed 2026-08-14, as of 2026-08-11)
| Class | Listed | Shares outstanding | Held by 13F filers | % of class | Holders | CUSIP |
|---|---|---|---|---|---|---|
| Common stock | AMCI · NASDAQ | 22,600,363 | 537,622 | 2.4% | 14 | 001661107 |
Each class is compared with its own share count; classes are not added together. A class that is not exchange-listed cannot be held by 13F filers.
Top holders (14 of 14 · 001661107)
change vs 2026-03-31| # | Filer | Shares | % of class | Value | Change |
|---|---|---|---|---|---|
| 1 | Vontobel Holding Ltd. | 142,025 | 0.63% | $707K | +20,081 (+16.5%) |
| 2 | Harraden Circle Investments, LLC | 141,019 | 0.62% | $702K | — |
| 3 | UBS Group AG | 86,249 | 0.38% | $430K | +86,076 (+49754.9%) |
| 4 | GEODE CAPITAL MANAGEMENT, LLC | 64,446 | 0.29% | $321K | +1,279 (+2.0%) |
| 5 | VANGUARD CAPITAL MANAGEMENT LLC | 53,249 | 0.24% | $265K | -191 (-0.4%) |
| 6 | VANGUARD FIDUCIARY TRUST CO | 25,666 | 0.11% | $128K | +191 (+0.7%) |
| 7 | NORTHERN TRUST CORP | 10,670 | 0.05% | $53K | +164 (+1.6%) |
| 8 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 10,419 | 0.05% | $52K | NEW |
| 9 | OSAIC HOLDINGS, INC. | 3,300 | 0.01% | $16K | +300 (+10.0%) |
| 10 | ROYAL BANK OF CANADA | 500 | 0.00% | $2K | NEW |
| 11 | HARBOUR INVESTMENTS, INC. | 50 | 0.00% | $249 | — |
| 12 | SBI Securities Co., Ltd. | 25 | 0.00% | $125 | NEW |
| 13 | Farther Finance Advisors, LLC | 3 | 0.00% | $15 | — |
| 14 | Caitong International Asset Management Co., Ltd | 1 | 0.00% | $5 | NEW |
Exited since 2026-03-31 (4 filers; largest 4 shown)
| Themes Management Co LLC | −39,035 |
| CITIGROUP INC | −6,381 |
| Tower Research Capital LLC (TRC) | −106 |
| JONES FINANCIAL COMPANIES LLLP | −24 |
Large holders from 13D/13G (latest per reporting person, last 2 years)
Filed when a holder crosses 5% or changes materially, so often more current than the quarter-end 13F. Percentages are the filer's own, against the share count they used.
| Reporting person | Form | Filed | Event | Shares | % of class |
|---|---|---|---|---|---|
| Berkley Insurance Company | SCHEDULE 13G/A | 2026-08-05 | 2026-06-30 | 0 | 0% |
| W. R. Berkley Corporation | SCHEDULE 13G/A | 2026-08-05 | 2026-06-30 | 0 | 0% |
| Harraden Circle Concentrated, LP | SCHEDULE 13G/A | 2026-02-13 | 2025-12-31 | 12,339 | 0.05% |
| Harraden Circle Strategic Investments, LP | SCHEDULE 13G/A | 2026-02-13 | 2025-12-31 | 40,976 | 0.18% |
| Frederick V. Fortmiller, Jr. | SCHEDULE 13G/A | 2026-02-13 | 2025-12-31 | 141,019 | 0.62% |
| Harraden Circle Special Opportunities, LP | SCHEDULE 13G/A | 2026-02-13 | 2025-12-31 | 27,889 | 0.12% |
| Harraden Circle Investors, LP | SCHEDULE 13G/A | 2026-02-13 | 2025-12-31 | 59,815 | 0.26% |
| Harraden Circle Investments, LLC | SCHEDULE 13G/A | 2026-02-13 | 2025-12-31 | 141,019 | 0.62% |
| Harraden Circle Investors GP, LLC | SCHEDULE 13G/A | 2026-02-13 | 2025-12-31 | 141,019 | 0.62% |
| Harraden Circle Investors GP, LP | SCHEDULE 13G/A | 2026-02-13 | 2025-12-31 | 141,019 | 0.62% |
| Da Shengwei (Sean) | SCHEDULE 13D | 2025-12-17 | 2025-12-09 | 18,590,000 | 77% |
| KARPUS MANAGEMENT, INC. | SCHEDULE 13G/A | 2025-11-07 | 2025-10-31 | 70,050 | 1.82% |
| Meteora Capital, LLC | SCHEDULE 13G/A | 2025-08-14 | 2025-06-30 | 67 | 0.0017% |
| Robert R. Bellick | SCHEDULE 13G/A | 2025-07-11 | 2025-06-30 | 189,470 | 4.92% |
| WOLVERINE ASSET MANAGEMENT LLC | SCHEDULE 13G/A | 2025-07-11 | 2025-06-30 | 189,470 | 4.92% |
| Wolverine Holdings, L.P. | SCHEDULE 13G/A | 2025-07-11 | 2025-06-30 | 189,470 | 4.92% |
| Wolverine Trading Partners, Inc. | SCHEDULE 13G/A | 2025-07-11 | 2025-06-30 | 189,470 | 4.92% |
| Christopher L. Gust | SCHEDULE 13G/A | 2025-07-11 | 2025-06-30 | 189,470 | 4.92% |
| Vik Mittal | SCHEDULE 13G/A | 2025-05-15 | 2025-03-31 | 294,436 | 7.64% |
| FTCS Sub GP LLC | SCHEDULE 13G/A | 2025-02-14 | 2024-12-31 | 0 | 0% |
| First Trust Merger Arbitrage Fund | SCHEDULE 13G/A | 2025-02-14 | 2024-12-31 | 0 | 0% |
| First Trust Capital Solutions L.P. | SCHEDULE 13G/A | 2025-02-14 | 2024-12-31 | 0 | 0% |
| First Trust Capital Management L.P. | SCHEDULE 13G/A | 2025-02-14 | 2024-12-31 | 0 | 0% |
| COWEN AND COMPANY, LLC | SCHEDULE 13G/A | 2025-02-13 | 2024-12-31 | 10,000 | 2.5% |
Source: SEC Form 13F-HR information tables for the quarter ending 2026-06-30 (filed within 45 days of quarter end; amendments applied; values normalised to dollars), the share count from the company's latest 10-K/10-Q XBRL cover page, and Schedule 13D/13G filings. Each row is a legal 13F filer as filed — related entities (e.g. Vanguard's advisers) are not merged. Retail brokerage accounts are not reported on 13F, so the remainder is mostly retail and insiders.