| SC 13D | 2018-02-15 | GAMCO INVESTORS, INC. ET AL | BLACKHAWK NETWORK HOLDINGS, INC | 1,873,268 | 3.4% | EDGAR |
| SC 13G/A | 2018-02-08 | VANGUARD GROUP INC | BLACKHAWK NETWORK HOLDINGS, INC | 4,908,116 | 8.6% | EDGAR |
| SC 13G | 2018-02-08 | WELLINGTON MANAGEMENT GROUP LLP | BLACKHAWK NETWORK HOLDINGS, INC | 4,151,443 | 7.3% | EDGAR |
| SC 13G/A | 2018-02-06 | Standard Life Aberdeen plc | BLACKHAWK NETWORK HOLDINGS, INC | 701,260 | 1.2% | EDGAR |
| SC 13G/A | 2018-01-29 | BlackRock Inc. | BLACKHAWK NETWORK HOLDINGS, INC | 3,449,457 | 6.1% | EDGAR |
| SC 13D | 2018-01-25 | Silver Lake Group, L.L.C. | BLACKHAWK NETWORK HOLDINGS, INC | 3,000,000 | 5.4% | EDGAR |
| SC 13D/A | 2018-01-16 | P2 Capital Partners, LLC | BLACKHAWK NETWORK HOLDINGS, INC | 3,000,000 | 5.4% | EDGAR |
| SC 13G/A | 2018-01-10 | FMR LLC | BLACKHAWK NETWORK HOLDINGS, INC | 1,361,414 | 2.4% | EDGAR |
| SC 13G/A | 2018-01-08 | THREE BAYS CAPITAL LP | BLACKHAWK NETWORK HOLDINGS, INC | 3,699,129 | 6.5% | EDGAR |
| SC 13G | 2017-11-13 | THREE BAYS CAPITAL LP | BLACKHAWK NETWORK HOLDINGS, INC | 2,900,000 | 5.1% | EDGAR |
| SC 13G/A | 2017-06-12 | FMR LLC | BLACKHAWK NETWORK HOLDINGS, INC | 4,304,856 | 7.6% | EDGAR |
| SC 13G/A | 2017-02-14 | FMR LLC | BLACKHAWK NETWORK HOLDINGS, INC | 7,789,450 | 14.1% | EDGAR |
| SC 13G/A | 2017-02-14 | Standard Life Investments LTD | BLACKHAWK NETWORK HOLDINGS, INC | 3,265,621 | 5.9% | EDGAR |
| SC 13G/A | 2017-02-10 | VANGUARD GROUP INC | BLACKHAWK NETWORK HOLDINGS, INC | 4,261,796 | 7.7% | EDGAR |
| SC 13G/A | 2017-01-19 | BlackRock Inc. | BLACKHAWK NETWORK HOLDINGS, INC | 3,354,248 | 6.1% | EDGAR |
| SC 13D | 2016-10-17 | P2 Capital Partners, LLC | BLACKHAWK NETWORK HOLDINGS, INC | 3,000,000 | 5.3% | EDGAR |
| SC 13G/A | 2016-02-16 | CITADEL ADVISORS LLC | BLACKHAWK NETWORK HOLDINGS, INC | - | 0.0% | EDGAR |
| SC 13G | 2016-02-16 | Standard Life Investments LTD | BLACKHAWK NETWORK HOLDINGS, INC | 2,806,534 | 5.1% | EDGAR |
| SC 13G/A | 2016-02-12 | FMR LLC | BLACKHAWK NETWORK HOLDINGS, INC | 8,196,150 | 15.0% | EDGAR |
| SC 13G | 2016-02-10 | VANGUARD GROUP INC | BLACKHAWK NETWORK HOLDINGS, INC | 4,305,127 | 7.9% | EDGAR |