| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| SIT INVESTMENT ASSOCIATES INC | 12% | $23,842,142 | 2,614,270 | Sit Investment Associates, Inc. | 31 Jul 2025 | |||
| RIVERNORTH CAPITAL MANAGEMENT, LLC | 4.4% | -49% | $8,932,040 | -$8,009,146 | 1,003,600 | -47% | RIVERNORTH CAPITAL MANAGEMENT, LLC | 30 Jun 2025 |
As of 30 Sep 2025, 2 institutional investors reported holding 125,303 shares of PIONEER MUNICIPAL HIGH INCOME FUND, INC. - Common Shares, $0.001 par value (MHI). This represents 0.55% of the company’s total 22,757,370 outstanding shares.
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2025 Q3 | 125,303 | $1,121,156 | -$127,555,911 | $8.96 | 2 |
| 2025 Q2 | 14,054,386 | $128,731,624 | -$1,985,277 | $9.16 | 56 |
| 2025 Q1 | 14,248,125 | $131,333,648 | +$3,887,663 | $9.20 | 57 |
| 2024 Q4 | 13,841,179 | $128,185,976 | +$9,259,215 | $9.26 | 53 |
| 2024 Q3 | 12,777,251 | $122,614,574 | +$1,206,809 | $9.60 | 48 |
| 2024 Q2 | 12,680,039 | $115,891,590 | +$11,443,071 | $9.14 | 51 |
| 2024 Q1 | 11,432,373 | $101,042,938 | +$6,583,816 | $8.84 | 54 |
| 2023 Q4 | 10,716,358 | $92,468,898 | +$9,179,545 | $8.63 | 59 |
| 2023 Q3 | 9,385,759 | $67,850,284 | +$13,630,584 | $7.23 | 61 |
| 2023 Q2 | 7,858,263 | $67,039,624 | +$6,115,043 | $8.53 | 63 |
| 2023 Q1 | 7,140,345 | $63,451,285 | +$3,258,778 | $8.89 | 63 |
| 2022 Q4 | 6,770,345 | $58,095,357 | -$6,862,979 | $8.58 | 55 |
| 2022 Q3 | 7,625,407 | $62,622,000 | -$1,878,355 | $8.21 | 66 |
| 2022 Q2 | 7,819,784 | $72,694,000 | +$12,727,725 | $9.28 | 65 |
| 2022 Q1 | 7,122,648 | $74,695,462 | +$9,585,364 | $10.50 | 63 |
| 2021 Q4 | 6,095,263 | $74,533,000 | +$7,712,097 | $12.23 | 59 |
| 2021 Q3 | 5,508,431 | $66,819,000 | +$3,941,830 | $12.13 | 49 |
| 2021 Q2 | 5,201,093 | $67,503,000 | -$3,597,628 | $12.98 | 50 |
| 2021 Q1 | 5,481,320 | $67,804,932 | -$894,798 | $12.37 | 54 |
| 2020 Q4 | 5,148,720 | $64,050,374 | -$971,768 | $12.44 | 48 |
| 2020 Q3 | 4,931,638 | $57,105,163 | +$2,722,920 | $11.58 | 48 |
| 2020 Q2 | 4,854,190 | $54,839,000 | +$1,099,049 | $11.29 | 56 |
| 2020 Q1 | 4,574,474 | $51,744,000 | +$3,876,420 | $11.32 | 58 |
| 2019 Q4 | 4,423,670 | $53,428,000 | +$5,205,683 | $12.08 | 53 |
| 2019 Q3 | 3,944,945 | $49,193,000 | -$1,898,073 | $12.46 | 44 |
| 2019 Q2 | 4,066,787 | $49,742,000 | -$6,825,788 | $12.20 | 43 |
| 2019 Q1 | 4,655,141 | $55,626,000 | -$1,383,132 | $11.94 | 46 |
| 2018 Q4 | 4,795,543 | $52,511,000 | +$9,834,004 | $10.96 | 50 |
| 2018 Q3 | 4,229,971 | $47,035,396 | -$1,844,431 | $11.12 | 44 |
| 2018 Q2 | 4,275,433 | $48,832,430 | -$1,435,148 | $11.42 | 47 |
| 2018 Q1 | 4,404,580 | $49,580,000 | +$2,008,010 | $11.25 | 51 |
| 2017 Q4 | 4,177,562 | $49,508,000 | +$8,037,639 | $11.85 | 49 |
| 2017 Q3 | 3,312,830 | $39,905,000 | -$4,401,215 | $12.03 | 39 |
| 2017 Q2 | 3,677,965 | $44,592,000 | -$425,653 | $12.12 | 42 |
| 2017 Q1 | 3,776,670 | $43,884,000 | +$7,019,443 | $11.62 | 50 |
| 2016 Q4 | 3,091,995 | $36,718,000 | +$10,149,761 | $11.87 | 49 |
| 2016 Q3 | 2,233,503 | $29,414,000 | +$7,706,279 | $13.17 | 37 |
| 2016 Q2 | 1,735,482 | $24,838,017 | +$3,166,038 | $14.31 | 32 |
| 2016 Q1 | 1,497,157 | $20,930,786 | -$1,418,336 | $13.98 | 31 |
| 2015 Q4 | 1,624,658 | $21,234,142 | -$951,774 | $13.06 | 34 |
| 2015 Q3 | 1,525,676 | $19,384,076 | -$765,609 | $12.70 | 38 |
| 2015 Q2 | 1,604,066 | $19,520,272 | +$2,999,878 | $12.12 | 38 |
| 2015 Q1 | 1,324,815 | $19,201,000 | +$1,594,984 | $14.51 | 31 |
| 2014 Q4 | 1,216,730 | $17,105,369 | -$272,102 | $14.06 | 31 |
| 2014 Q3 | 1,171,561 | $17,868,966 | +$459,354 | $15.25 | 28 |
| 2014 Q2 | 1,141,341 | $17,732,136 | +$750,401 | $15.54 | 28 |
| 2014 Q1 | 1,092,249 | $16,188,053 | +$720,451 | $14.82 | 29 |