| SC 13G/A | 2015-02-17 | MORGAN STANLEY | BLACKROCK DEBT STRATEGIES FUND, INC. | 16,221,914 | 8.7% | EDGAR |
| SC 13G/A | 2015-02-17 | Saba Capital Management, L.P. | BLACKROCK DEBT STRATEGIES FUND, INC. | 15,820,136 | 8.5% | EDGAR |
| SC 13G/A | 2015-01-13 | FIRST TRUST PORTFOLIOS LP | BLACKROCK DEBT STRATEGIES FUND, INC. | 8,098,757 | 4.3% | EDGAR |
| SC 13G/A | 2014-11-10 | FIRST TRUST PORTFOLIOS LP | BLACKROCK DEBT STRATEGIES FUND, INC. | 9,793,048 | 5.2% | EDGAR |
| SC 13G | 2014-02-12 | Advisors Asset Management, Inc. | BLACKROCK DEBT STRATEGIES FUND, INC. | 8,281,991 | 7.7% | EDGAR |
| SC 13G/A | 2014-02-10 | MORGAN STANLEY | BLACKROCK DEBT STRATEGIES FUND, INC. | 14,935,434 | 13.8% | EDGAR |
| SC 13G/A | 2014-02-10 | MORGAN STANLEY | BLACKROCK DEBT STRATEGIES FUND, INC. | 14,919,155 | 8.0% | EDGAR |
| SC 13G/A | 2014-02-10 | FIRST TRUST PORTFOLIOS LP | BLACKROCK DEBT STRATEGIES FUND, INC. | 20,460,977 | 11.0% | EDGAR |
| SC 13G/A | 2014-01-22 | FIRST TRUST PORTFOLIOS LP | BLACKROCK DEBT STRATEGIES FUND, INC. | 21,900,874 | 20.2% | EDGAR |
| SC 13G | 2014-01-21 | Saba Capital Management, L.P. | BLACKROCK DEBT STRATEGIES FUND, INC. | 5,456,606 | 2.9% | EDGAR |
| SC 13G/A | 2013-02-14 | MORGAN STANLEY | BLACKROCK DEBT STRATEGIES FUND, INC. | 10,997,431 | 10.2% | EDGAR |
| SC 13G/A | 2013-01-09 | FIRST TRUST PORTFOLIOS LP | BLACKROCK DEBT STRATEGIES FUND, INC. | 17,164,823 | 15.9% | EDGAR |
| SC 13G/A | 2012-10-09 | MORGAN STANLEY | BLACKROCK DEBT STRATEGIES FUND, INC. | 11,163,878 | 10.3% | EDGAR |
| SC 13G | 2012-02-10 | MORGAN STANLEY | BLACKROCK DEBT STRATEGIES FUND, INC. | 7,397,167 | 6.9% | EDGAR |
| SC 13G/A | 2012-01-19 | FIRST TRUST PORTFOLIOS LP | BLACKROCK DEBT STRATEGIES FUND, INC. | 11,797,043 | 10.9% | EDGAR |
| SC 13G/A | 2011-12-09 | FIRST TRUST PORTFOLIOS LP | BLACKROCK DEBT STRATEGIES FUND, INC. | 11,093,936 | 10.7% | EDGAR |
| SC 13G/A | 2011-02-01 | FIRST TRUST PORTFOLIOS LP | BLACKROCK DEBT STRATEGIES FUND, INC. | 16,954,444 | 15.7% | EDGAR |
| SC 13G/A | 2010-04-09 | FIRST TRUST PORTFOLIOS LP | BLACKROCK DEBT STRATEGIES FUND, INC. | 13,786,476 | 12.9% | EDGAR |
| SC 13G | 2010-01-28 | FIRST TRUST PORTFOLIOS LP | BLACKROCK DEBT STRATEGIES FUND, INC. | 7,562,630 | 7.1% | EDGAR |