Rivernorth Capital Management, Llc - Jun 30, 2025 SCHEDULE 13G/A Report for Pioneer Municipal High Income Opportunities Fund, Inc. Common Shares, $0.001 par value (MIO)

Filing Manager: RIVERNORTH CAPITAL MANAGEMENT, LLC
Reporting Manager: RIVERNORTH CAPITAL MANAGEMENT, LLC
Security: Pioneer Municipal High Income Opportunities Fund, Inc. Common Shares, $0.001 par value
Symbol: MIO
Shares outstanding: 16.9M shares
Disclosed Ownership: 753K shares
Ownership: 4.46%
Form type: SCHEDULE 13G/A
Date filed: 8/14/2025, 04:24 PM
Date of event: Jun 30, 2025
Previous filing: Feb 14, 2025
SEC: View on sec.gov

Reporting Managers (1)

Name	Ownership	Shares Owned	sole voting power	shared voting power	Signature	Title	CIK
RIVERNORTH CAPITAL MANAGEMENT, LLC	4.46%	753K	753K	0	/s/ Marcus Collins	Marcus Collins, General Counsel and Chief Compliance Officer