Jane Street Group, Llc - Oct 16, 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
Security
Cipher Mining Inc. Common Stock, par value $0.001 per share
Symbol
CIFR
Shares outstanding
394M shares
Disclosed Ownership
19.7M shares
Ownership
5%
Form type
SCHEDULE 13G
Date filed
10/23/2025, 04:17 PM
Date of event
Oct 16, 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% 19.7M 0 19.7M Jeremy Kahn Jeremy Kahn (Authorized Signatory)
Jane Street Capital, LLC 0.2% 627K 0 627K Jeremy Kahn Jeremy Kahn (Authorized Signatory)
Jane Street Options, LLC 2.1% 8.34M 0 8.34M Jeremy Kahn Jeremy Kahn (Authorized Signatory)
Jane Street Global Trading, LLC 2.7% 10.7M 0 10.7M Jeremy Kahn Jeremy Kahn (Authorized Signatory)