Hummer Winblad Venture Partners was founded in 1989 as the first venture capital fund to invest exclusively in software companies.
| Company | Date | Round | Size | Participants |
| Wavemaker Software 1 | 4/08 | Series A | $4.5M | 3 |
| SignalDemand, 2 | 4/08 | Series B | $20M | 4 |
| YieldBuild 3 | 3/08 | Series B | $6M | 2 |
| Widgetbox 4 | 1/08 | Series B | $8M | 3 |
| SlideRocket 5 | 12/07 | Series A | $2M | 1 |
| Move Networks 6 | 10/07 | Series B | $34M | 2 |
| Elastra 7 | 8/07 | Series A | $2.5M | 1 |
| Widgetbox 8 | 6/07 | Series A | $5M | 3 |
| MuleSource 9 | 5/07 | Series B | $12.5M | 3 |
| Baynote 10 | 4/07 | Series B | $10.8M | 3 |
| YieldBuild 11 | 2007 | Series A | $2M | 1 |
| Move Networks 12 | 12/06 | Series A | $11.3M | 2 |
| Widgetbox 13 | 6/06 | Angel | $1.5M | 1 |
| Baynote 14 | 3/05 | Series A | $4M | 3 |
| The Knot 15 | 1998 | Series B | N/A | 1 |
| MuleSource 16 | N/A | Series A | $4M | 2 |
| Move Networks 17 | N/A | Series C | $46M | 6 |