18 covered companies and 1 benchmark, each with a profile built from its SEC filings.
Tiers follow spec 4.2; substitutions since the spec was written: BITF is now KEEL, DGHI is now DGXX, GREE is now VIP, MIGI is now BGDE; removed: SDIG (Stronghold Digital Mining merged into Bitfarms (now Keel) 2025-03; 15-12G 2025-03-25; deregistered). Data as of 2026-09-06.
| Company | Ticker | Tier | Filer regime | Fiscal year end | Filings | Latest filing |
|---|---|---|---|---|---|---|
| CleanSpark, Inc. | CLSK | Tier 1 | domestic | 09-30 | 765 | Form 144 2026-09-04 |
| MARA Holdings, Inc. | MARA | Tier 1 | domestic | 12-31 | 1106 | Form 4 2026-08-21 |
| Riot Platforms, Inc. | RIOT | Tier 1 | domestic | 12-31 | 1592 | Form 4 2026-08-14 |
| Core Scientific, Inc. | CORZ | Tier 1 | domestic | 12-31 | 663 | Form 4 2026-09-02 |
| IREN Ltd | IREN | Tier 1 | domestic | 06-30 | 317 | Form 10-K 2026-08-27 |
| Hut 8 Corp. | HUT | Tier 1 | domestic | 12-31 | 254 | Form 4 2026-08-25 |
| TeraWulf Inc. | WULF | Tier 1 | domestic | 12-31 | 1234 | Form 4 2026-09-01 |
| Cipher Digital Inc. | CIFR | Tier 1 | domestic | 12-31 | 609 | SCHEDULE 13G 2026-08-13 |
| Bitdeer Technologies Group | BTDR | Tier 1 | fpi ifrs | 12-31 | 279 | Form 4 2026-09-02 |
| Bit Digital, Inc.Exited bitcoin mining for an ETH treasury strategy from 2025-06-25 (brief A, reported); satisfies spec 4.1 'was at listing' only | BTBT | Tier 2 | domestic | 12-31 | 384 | Form 4 2026-09-02 |
| HIVE Digital Technologies Ltd. | HIVE | Tier 2 | domestic | 03-31 | 238 | Form 4/A 2026-08-20 |
| Keel Infrastructure Corp. | KEEL | Tier 2 | domestic | 12-31 | 419 | Form 4 2026-08-21 |
| DMG Blockchain Solutions Inc.No SEC periodic reports (Form D only under CIKs 0001719754 and 0001725460, 2017 to 2021); TSXV DMGI, OTCQB DMGGF | DMGGF | Tier 2 | sedar only | n/a | 0 | none on EDGAR |
| Argo Blockchain Plc | ARBK | Tier 2 | fpi ifrs | 12-31 | 240 | Form 6-K 2026-09-03 |
| Vulcan Infrastructure & Power Inc. | VIP | Tier 2 | domestic | 12-31 | 425 | Form 8-K 2026-08-17 |
| Digi Power X Inc. | DGXX | Tier 3 | domestic | 12-31 | 249 | Form 4 2026-08-21 |
| Sphere 3D Corp. | ANY | Tier 3 | domestic | 12-31 | 812 | Form 4 2026-09-04 |
| Big Digital Energy, Inc.Nasdaq delisting determination 2026-04-17 (8-K 2026-04-23 Item 3.01); still listed per EDGAR 2026-09-05 | BGDE | Tier 3 | domestic | 12-31 | 733 | Form 4 2026-09-02 |
| Strategy Inc | MSTR | Benchmark | domestic | 12-31 | 1992 | Form 144 2026-09-04 |