JANE STREET GROUP, LLC - 31 Dec 2025 SCHEDULE 13G/A 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
Security
Cipher Mining Inc. Common Stock, par value $0.001 per share
Symbol
CIFR
Shares outstanding
397,222,830 shares
Disclosed Ownership
21,052,810 shares
Ownership
5.3%
Form type
SCHEDULE 13G/A
Filing time
12 Feb 2026, 16:51:52 UTC
Date of event
31 Dec 2025
Previous filing
23 Oct 2025
SEC
View on sec.gov

Reporting Managers (4)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
JANE STREET GROUP, LLC 5.3% 21,052,810 0 21,052,810 /s/ Jeremy Kahn Jeremy Kahn (Authorized Signatory)
Jane Street Capital, LLC 0% 98,900 0 98,900 /s/ Jeremy Kahn Jeremy Kahn (Authorized Signatory)
Jane Street Options, LLC 1.2% 4,630,513 0 4,630,513 Jeremy Kahn (Authorized Signatory) Jeremy Kahn (Authorized Signatory)
Jane Street Global Trading, LLC 4.1% 16,323,397 0 16,323,397 /s/ Jeremy Kahn Jeremy Kahn (Authorized Signatory)