Quick Takeaways
- JANE STREET GROUP, LLC filed SCHEDULE 13G for Cipher Mining Inc. Common Stock, par value $0.001 per share (CIFR).
- Disclosed ownership: 5%.
- Date of event: 16 Oct 2025.
JANE STREET GROUP, LLC - 16 Oct 2025 SCHEDULE 13G Report for Cipher Mining Inc. Common Stock, par value $0.001 per share (CIFR)
- Filing Manager
- JANE STREET GROUP, LLC
- Reporting Manager
- JANE STREET GROUP, LLC
- Symbol
- CIFR
- Shares outstanding
- 393,657,420 shares
- Disclosed Ownership
- 19,682,871 shares
- Ownership
- 5%
- Form type
- SCHEDULE 13G
- Filing time
- 23 Oct 2025, 16:17:34 UTC
- Date of event
- 16 Oct 2025
- Next filing
- 12 Feb 2026
- SEC
- View on sec.gov
Quoteable Key Fact
"JANE STREET GROUP, LLC disclosed 5% ownership in Cipher Mining Inc. Common Stock, par value $0.001 per share (CIFR) on 16 Oct 2025."
What Changed
- No earlier schedule filing is available for direct comparison.
- Current filing was accepted on 23 Oct 2025, 16:17.
Why This Matters
- This page explains what this Schedule 13D/13G filing tells you before manager-level rows.
- You can verify ownership claims directly against the original SEC filing.
Source Evidence
Backed by Schedule 13D/13G
See Original Filing
Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.
Reporting Managers (4)
| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| JANE STREET GROUP, LLC | 5% | 19,682,871 | 0 | 19,682,871 | Jeremy Kahn | Jeremy Kahn (Authorized Signatory) | |
| Jane Street Capital, LLC | 0.2% | 627,048 | 0 | 627,048 | Jeremy Kahn | Jeremy Kahn (Authorized Signatory) | |
| Jane Street Options, LLC | 2.1% | 8,337,652 | 0 | 8,337,652 | Jeremy Kahn | Jeremy Kahn (Authorized Signatory) | |
| Jane Street Global Trading, LLC | 2.7% | 10,718,171 | 0 | 10,718,171 | Jeremy Kahn | Jeremy Kahn (Authorized Signatory) |