| SC 13G/A | 2023-12-11 | MORGAN STANLEY | BLACKROCK MUNIYIELD QUALITY FUND III, INC. | 1,087,042 | 1.6% | EDGAR |
| SC 13G/A | 2023-02-08 | MORGAN STANLEY | BLACKROCK MUNIYIELD QUALITY FUND III, INC. | 4,081,539 | 6.0% | EDGAR |
| SC 13D | 2022-07-05 | Toronto Dominion Investments, Inc. | BLACKROCK MUNIYIELD QUALITY FUND III, INC. | 3,564 | 100.0% | EDGAR |
| SC 13G | 2022-02-09 | MORGAN STANLEY | BLACKROCK MUNIYIELD QUALITY FUND III, INC. | 3,569,746 | 5.2% | EDGAR |
| SC 13G/A | 2021-07-09 | Karpus Management, Inc. | BLACKROCK MUNIYIELD QUALITY FUND III, INC. | 3,213,333 | 4.7% | EDGAR |
| SC 13G/A | 2021-02-12 | Karpus Management, Inc. | BLACKROCK MUNIYIELD QUALITY FUND III, INC. | 4,988,470 | 7.3% | EDGAR |
| SC 13G/A | 2020-02-14 | Karpus Management, Inc. | BLACKROCK MUNIYIELD QUALITY FUND III, INC. | 5,435,875 | 8.0% | EDGAR |
| SC 13G | 2019-02-14 | Karpus Management, Inc. | BLACKROCK MUNIYIELD QUALITY FUND III, INC. | 4,542,922 | 6.7% | EDGAR |
| SC 13G/A | 2019-02-08 | CITIGROUP INC | BLACKROCK MUNIYIELD QUALITY FUND III, INC. | 0 | 0.0% | EDGAR |
| SC 13G | 2013-03-20 | CITIGROUP INC | BLACKROCK MUNIYIELD QUALITY FUND III, INC. | 3,564 | 100.0% | EDGAR |
| SC 13G/A | 2013-02-14 | FIRST TRUST PORTFOLIOS LP | BLACKROCK MUNIYIELD QUALITY FUND III, INC. | 2,778,161 | 4.1% | EDGAR |
| SC 13G | 2012-01-13 | FIRST TRUST PORTFOLIOS LP | BLACKROCK MUNIYIELD QUALITY FUND III, INC | 4,030,043 | 6.3% | EDGAR |
| SC 13D/A | 2011-07-11 | BANK OF AMERICA CORP /DE/ | BLACKROCK MUNIYIELD QUALITY FUND III, INC | 12 | 0.0% | EDGAR |
| SC 13G/A | 2011-07-08 | UBS AG | BLACKROCK MUNIYIELD QUALITY FUND III, INC | 112 | 0.8% | EDGAR |
| SC 13G/A | 2011-02-14 | ROYAL BANK OF CANADA \ | BLACKROCK MUNIYIELD QUALITY FUND III, INC | 770 | 5.4% | EDGAR |
| SC 13G/A | 2011-01-14 | UBS AG | BLACKROCK MUNIYIELD QUALITY FUND III, INC | 1,386 | 9.7% | EDGAR |
| SC 13D | 2011-01-11 | BANK OF AMERICA CORP /DE/ | BLACKROCK MUNIYIELD QUALITY FUND III, INC | 6,165 | 43.2% | EDGAR |
| SC 13G/A | 2010-10-12 | BANK OF AMERICA CORP /DE/ | BLACKROCK MUNIYIELD INSURED FUND, INC | 6,165 | 43.2% | EDGAR |
| SC 13G/A | 2010-07-12 | BANK OF AMERICA CORP /DE/ | BLACKROCK MUNIYIELD INSURED FUND, INC | 4,777 | 33.5% | EDGAR |
| SC 13G/A | 2010-06-10 | BANK OF AMERICA CORP /DE/ | BLACKROCK MUNIYIELD INSURED FUND, INC | 6,570 | 46.1% | EDGAR |