Bitfury Top HoldCo B.V. - Sep 30, 2025 SCHEDULE 13D/A Report for Cipher Mining Inc. Common Stock (CIFR)

Filing Manager
Bitfury Top HoldCo B.V.
Reporting Manager
V3 Holding Ltd
Security
Cipher Mining Inc. Common Stock
Symbol
CIFR
Shares outstanding
394M shares
Disclosed Ownership
65.9M shares
Ownership
16.7%
Form type
SCHEDULE 13D/A
Date filed
10/2/2025, 06:07 PM
Date of event
Sep 30, 2025
Previous filing
Sep 25, 2025
SEC
View on sec.gov

Reporting Managers (5)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
Bitfury Top HoldCo B.V. 7.7% 30.4M 0 30.4M /s/ Stijn Ehren Stijn Ehren, Managing Director 0001884407
Bitfury Holding B.V. 1.2% 4.82M 0 4.82M /s/ Stijn Ehren Stijn Ehren, Managing Director 0001887853
Bitfury Group Ltd 7.7% 30.4M 0 30.4M /s/ Valerijs Vavilovs Valerijs Vavilovs, Director 0001887872
V3 Holding Ltd 16.7% 65.9M 0 65.9M /s/ Valerijs Vavilovs Valerijs Vavilovs, Director 0001887845
Vavilovs Valerijs 16.7% 65.9M 0 65.9M /s/ Valerijs Vavilovs Vavilovs Valerijs 0001887811