Pioneer Municipal High Income Opportunities Fund, Inc - Common Shares, $0.001 par value (MIO) Institutional Ownership

13F Institutional Holders and Ownership History from Q3 2021 to Q3 2025

Type / Class
Equity / Common Shares, $0.001 par value
Symbol
MIO
Shares outstanding
16,872,716
Price per share
$11.45
All holders as of 30 Sep 2025
Q3 2025
Total 13F shares
1,060
Total reported value
$12,136
% of total 13F portfolios
0%
Share change
-9,225,089
Value change
-$108,855,238
Number of holders
1
Price from insider filings
$11.45
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of Pioneer Municipal High Income Opportunities Fund, Inc - Common Shares, $0.001 par value (MIO) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
RIVERNORTH CAPITAL MANAGEMENT, LLC 4.5% -50% $8,533,613 -$7,702,718 752,523 -47% RIVERNORTH CAPITAL MANAGEMENT, LLC 30 Jun 2025

As of 30 Sep 2025, 1 institutional investors reported holding 1,060 shares of Pioneer Municipal High Income Opportunities Fund, Inc - Common Shares, $0.001 par value (MIO). This represents 0.01% of the company’s total 16,872,716 outstanding shares.

Institutional Holders of Pioneer Municipal High Income Opportunities Fund, Inc - Common Shares, $0.001 par value (MIO) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2025 Q3 1,060 $12,136 -$108,855,238 $11.45 1
2025 Q2 9,190,366 $108,446,009 -$249,858 $11.80 31
2025 Q1 9,247,600 $109,319,336 +$983,881 $11.79 34
2024 Q4 9,193,182 $109,040,978 +$9,863,168 $11.86 31
2024 Q3 8,286,060 $102,697,400 -$9,504,682 $12.40 29
2024 Q2 9,134,279 $106,448,957 +$19,311,370 $11.65 32
2024 Q1 7,460,767 $84,344,675 +$2,803,872 $11.31 31
2023 Q4 6,275,373 $66,316,302 +$3,312,247 $10.57 32
2023 Q3 7,097,923 $67,778,848 +$5,624,241 $9.55 29
2023 Q2 6,492,639 $69,999,230 +$6,055,276 $10.76 23
2023 Q1 5,932,339 $64,791,869 +$2,782,745 $10.92 24
2022 Q4 5,663,835 $60,325,736 +$1,631,389 $10.65 24
2022 Q3 4,885,349 $49,536,000 +$1,372,803 $10.14 24
2022 Q2 4,737,295 $57,378,000 +$9,258,504 $12.11 25
2022 Q1 4,263,821 $63,352,000 +$4,909,755 $14.88 23
2021 Q4 3,889,220 $71,429,000 +$50,690,447 $18.37 22
2021 Q3 1,120,511 $22,847,000 +$22,846,983 $20.39 7