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

Historical Holders 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 as of 30 Sep 2025
1,060
Total reported value
$12,136
% of total 13F portfolios
0%
Share change
-9,225,089
Value change
-$108,855,238
Avg sell value change
-0%
Number of holders
1
Price from insider filings
$11.23
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, Pioneer Municipal High Income Opportunities Fund, Inc - Common Shares, $0.001 par value (MIO) has 1 institutional shareholder filing 13F forms. They hold 1,060 shares. of 16,872,716 outstanding shares (0.01%) .

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 (% of par) Investors
2025 Q3 1,060 $12,136 -$108,855,238 1,144.91% 1
2025 Q2 9,190,366 $108,446,009 -$249,858 1,180% 31
2025 Q1 9,247,600 $109,319,336 +$983,881 1,179% 34
2024 Q4 9,193,182 $109,040,978 +$9,863,168 1,186% 31
2024 Q3 8,286,060 $102,697,400 -$9,504,682 1,240% 29
2024 Q2 9,134,279 $106,448,957 +$19,311,370 1,165% 32
2024 Q1 7,460,767 $84,344,675 +$2,803,872 1,131% 31
2023 Q4 6,275,373 $66,316,302 +$3,312,247 1,057% 32
2023 Q3 7,097,923 $67,778,848 +$5,624,241 955% 29
2023 Q2 6,492,639 $69,999,230 +$6,055,276 1,076% 23
2023 Q1 5,932,339 $64,791,869 +$2,782,745 1,092% 24
2022 Q4 5,663,835 $60,325,736 +$1,631,389 1,065% 24
2022 Q3 4,885,349 $49,536,000 +$1,372,803 1,014.02% 24
2022 Q2 4,737,295 $57,378,000 +$9,258,504 1,211.02% 25
2022 Q1 4,263,821 $63,352,000 +$4,909,755 1,488% 23
2021 Q4 3,889,220 $71,429,000 +$50,690,447 1,836.67% 22
2021 Q3 1,120,511 $22,847,000 +$22,846,983 2,039.05% 7