X0505 N-CEN LIVE 0001864290 XXXXXXXX 811-23699 false false N-2 Pioneer Municipal High Income Opportunities Fund, Inc. 811-23699 0001864290 5493005BKX8X756MKL25 60 State Street Boston 02109 US-MA US 617-422-4947 Equiniti Trust Company, LLC 6201 15th Avenue Brooklyn 11219 800-937-5449 Records related to its functions as shareholder servicing and transfer agent. Pioneer Municipal High Income Opportunities Fund, Inc. 60 State Street Boston 02109 617-422-4947 Records related to its functions as Registrant. The Bank of New York Mellon 240 Greenwich Street New York 10286 212-495-1784 Records related to its functions as custodian and sub-administrator. Victory Capital Management Inc. 15935 La Cantera Parkway San Antonio 78256 877-660-4400 Records related to its functions as investment adviser and administrator. Victory Capital Services, Inc. 4900 Tiedeman Road 4th Floor Brooklyn 44144 216-898-2400 Records relating to its function as principal underwriter. N Y N-2 Y Benjamin M. Friedman N/A N Craig C. MacKay 002008771 N David C. Brown 004104294 Y Diane Durnin N/A N Fred J. Ricciardi N/A N John E. Baumgardner, Jr. N/A N Lorraine H. Monchak N/A N Thomas J. Perna N/A N Sean Fox 003131615 4900 Tiedeman Road 4th Floor Brooklyn 44144 XXXXXX N N N N N N Morgan Stanley & Co. LLC 008-15869 000008209 9R7GPTSO7KV3UQJZQ078 N UBS Securities LLC 008-022651 000007654 T6FIZBDPKLYJKFCRVK44 N Victory Capital Services, Inc. 008-047577 000037059 5493007YCZV03392KX12 Y Wells Fargo Securities, LLC 008-65876 000126292 VYVVCKR63DVZZN70PB21 N N Deloitte & Touche LLP 34 549300FJV7IV1ZHGAV28 N N N N N N N Common stock Common stock N N N N N N 0.00000000 0.00000000 N/A 0.00000000 false false false false false false false false false false false