| Type | Filed | Filer | Subject | Shares Owned | Percent Owned | |
|---|---|---|---|---|---|---|
| SC 13G | 2013-02-14 | RS INVESTMENT MANAGEMENT CO LLC | ACXIOM CORP | - | 8.3% | EDGAR |
| SC 13G/A | 2013-02-11 | VANGUARD GROUP INC | ACXIOM CORP | 4,433,780 | 5.4% | EDGAR |
| SC 13G/A | 2013-02-08 | WADDELL & REED FINANCIAL INC | ACXIOM CORP | 2,885,400 | 3.8% | EDGAR |
| SC 13G/A | 2013-02-07 | WADDELL & REED FINANCIAL INC | ACXIOM CORP | 6,718,971 | 9.0% | EDGAR |
| SC 13G/A | 2013-01-31 | BlackRock Inc. | ACXIOM CORP | 6,770,670 | 9.1% | EDGAR |
| SC 13G/A | 2012-11-13 | FMR LLC | ACXIOM CORP | 2,359,800 | 3.1% | EDGAR |
| SC 13G/A | 2012-09-10 | BlackRock Inc. | ACXIOM CORP | 7,573,895 | 10.1% | EDGAR |
| SC 13G/A | 2012-09-10 | WADDELL & REED FINANCIAL INC | ACXIOM CORP | 7,540,514 | 10.1% | EDGAR |
| SC 13G/A | 2012-02-14 | FMR LLC | ACXIOM CORP | 6,428,570 | 8.2% | EDGAR |
| SC 13G | 2012-02-14 | WADDELL & REED FINANCIAL INC | ACXIOM CORP | 2,508,600 | 3.2% | EDGAR |
| SC 13G/A | 2012-02-09 | RS INVESTMENT MANAGEMENT CO LLC | ACXIOM CORP | - | 11.5% | EDGAR |
| SC 13G/A | 2012-02-09 | BlackRock Inc. | ACXIOM CORP | 7,220,671 | 9.2% | EDGAR |
| SC 13G | 2012-02-07 | VANGUARD GROUP INC | ACXIOM CORP | 4,017,972 | 5.1% | EDGAR |
| SC 13G | 2011-09-08 | RS INVESTMENT MANAGEMENT CO LLC | ACXIOM CORP | - | 10.9% | EDGAR |
| SC 13G/A | 2011-07-11 | FMR LLC | ACXIOM CORP | 7,723,569 | 9.5% | EDGAR |
| SC 13G/A | 2011-02-14 | FMR LLC | ACXIOM CORP | 11,990,640 | 15.0% | EDGAR |
| SC 13G/A | 2011-02-14 | DARUMA ASSET MANAGEMENT INC /NY | ACXIOM CORP | 2,228,100 | 2.8% | EDGAR |
| SC 13G/A | 2011-02-03 | BlackRock Inc. | ACXIOM CORP | 5,789,083 | 7.2% | EDGAR |
| SC 13G/A | 2010-11-10 | Capital Research Global Investors | ACXIOM CORP | 376,996 | 0.5% | EDGAR |
| SC 13G/A | 2010-06-10 | FMR LLC | ACXIOM CORP | 8,941,613 | 11.2% | EDGAR |