BTC Development Advisors LLC - Oct 1, 2025 SCHEDULE 13D Report for BTC Development Corp. Class A Ordinary Shares, par value $0.0001 per share

Filing Manager: BTC Development Advisors LLC
Reporting Manager: BTC Development Advisors LLC
Security: BTC Development Corp. Class A Ordinary Shares, par value $0.0001 per share
Shares outstanding: 34.7M shares
Disclosed Ownership: 4.1M shares
Ownership: 11.8%
Form type: SCHEDULE 13D
Date filed: 10/6/2025, 07:24 PM
Date of event: Oct 1, 2025
SEC: View on sec.gov

Reporting Managers (2)

Name	Ownership	Shares Owned	sole voting power	shared voting power	Signature	Title	CIK
BTC Development Advisors LLC	11.79%	4.1M	0	4.1M	/s/ Betsy Z. Cohen	Betsy Z. Cohen	0002086247
COHEN BETSY Z	11.79%	4.1M	0	4.1M	/s/ Betsy Z. Cohen	Betsy Z. Cohen	0001168754