Mining equipment inventory
Company: CleanSpark
The claim, verbatim
Company owned approximately 336,544 miners total, of which 241,934 were in active service as of September 30, 2025; average age 15 months
Source (primary)
CleanSpark 10-K filed 2025-11-25 (SEC EDGAR, sec_filing)
View cached copy (2026-08-31)Live source ↗
Quote: “We owned approximately 336,544 miners, of which approximately 241,934 were in service as of September 30, 2025... Our miners have an average age of approximately 15 months”
How we checked this
Checked on September 16, 2026. The cited source supports every part of this claim.
The filing states the total owned and in-service miner counts and the approximately 15-month average miner age in both Item 1 and Item 7.
Confirmed in the source:
- CleanSpark owned approximately 336,544 miners as of September 30, 2025
- Approximately 241,934 of those miners were in service as of September 30, 2025
- CleanSpark's miners had an average age of approximately 15 months
What we did: Read our cached copy of SEC EDGAR (https://www.sec.gov/Archives/edgar/data/827876/000119312525297510/clsk-20250930.htm) in full (562,147 characters, retrieved August 31, 2026) and checked each assertion in the claim against it.
Additional evidence
confirms CleanSpark 10-K filed 2025-11-25
Quote: “We owned approximately 336,544 miners, of which approximately 241,934 were in service as of September 30, 2025... Our miners have an average age of approximately 15 months”