1. 1863 Ventures
2. 1Kubator
3. 2080 Ventures
4. 212 Founders
5. 21212
6. 23Seed 2013-10-29
7. 25madison 2018-01-01
8. 2b AHEAD Ventures 2017-01-01
9. 43North 2014-01-01
10. 500 Global 2010-07-30
11. Amino Capital 2012-09-01
12. Ann Arbor SPARK 2005-05-01