WindHQ Joint Venture ownership structure
Company: Cipher Mining - Project: Chief Facility
The claim, verbatim
Three data centers operate under WindHQ JV with WindHQ owning 51% and Cipher owning 49% of each
Source (primary)
Cipher Mining 10-K filed 2023-03-14 (SEC EDGAR, sec_filing)
View cached copy (2026-09-13)Live source ↗
Quote: “each of which is owned by a separate limited liability company in which WindHQ owns 51% of the membership interests and we own 49% of the membership interests”
How we checked this
Checked on September 21, 2026. The cited source supports every part of this claim.
The document confirms three JV data centers with the 51%/49% ownership split.
Confirmed in the source:
- Three data centers operate under the WindHQ joint venture
- Each is owned by an LLC in which WindHQ owns 51% and Cipher owns 49%
What we did: Read our cached copy of SEC EDGAR (https://www.sec.gov/Archives/edgar/data/1819989/000095017023007793/cifr-20221231.htm) in full (564,500 characters, retrieved September 13, 2026) and checked each assertion in the claim against it.
Additional evidence
confirms Cipher Mining 10-K filed 2023-03-14
Quote: “each of which is owned by a separate limited liability company in which WindHQ owns 51% of the membership interests and we own 49% of the membership interests”