SP
Sigma Prime
Sigma Prime is a Series A to Series D stage investment firm. It has made 16 investments. Average disclosed round size is $17.7M (across 28 rounds with reported amounts).
Portfolio
16
Fund Size
—
Top Stage
Series A
Last 12 Mo
0
Team
JD
Jere Doyle
Managing Director
JS
John Simon
Managing Director
PF
Paul Flanagan
Managing Director
Portfolio Breakdown
Stage Distribution
Sector Distribution
Investment Activity
DealsAvg Round Size
Portfolio
31 investments
| Company | Round | Amount | Date |
|---|---|---|---|
| AaPriori | Series A | $20M | Jan 2025 |
 Nasuni | Growth | — | Jul 2024 |
| AaPriori | Series D | — | Jan 2024 |
| AaPriori | Series D | $30M | Sep 2021 |
| AaPriori | Series C | $5M | Apr 2021 |
 Ceros | Series D | $100M | Jan 2020 |
| Ceros | Series C | $14M | Feb 2019 |
| AaPriori | Series C | $26.8M | Jan 2019 |
| Ceros | Series C | $14M | Jan 2019 |
 Phenom People | Series B | $22M | May 2018 |
 CloudHealth Technologies | Series D | $46M | Jan 2017 |
| Nasuni | Series E | $17.5M | Dec 2016 |
 NS1 | Series B | $20M | Sep 2016 |
| CloudHealth Technologies | Series C | $20M | Jan 2016 |
 Codeship | Seed | $2.6M | Dec 2015 |
| Phenom People | Series A | $6M | Oct 2015 |
| BBarkly | Series A | $12.5M | Jun 2015 |
| NnToggle | Series A | $5.6M | Feb 2015 |
| BBarkly | Series A | $12.5M | Jan 2015 |
| CloudHealth Technologies | Series B | $12M | Jan 2015 |
| Ceros | Series B | $6.2M | Apr 2014 |
| VVoltDB | Unknown | $9.8M | Mar 2014 |
 Contently | Series B | $9M | Jan 2014 |
 Acquia | Unknown | $50M | Jan 2014 |
| CloudHealth Technologies | Series A | $4.5M | Jan 2013 |
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Top Co-Investors
Sigma Prime Ventures21 shared
Sigma5 shared
Silicon Valley Bank4 shared
Grotech Ventures4 shared
StarVest Partners4 shared
Greycroft4 shared
.406 Ventures4 shared
New Enterprise Associates3 shared
Greenspring Associates3 shared
Scale Venture Partners3 shared
Boston Seed Capital2 shared
North Bridge Venture Partners2 shared
Flybridge Capital Partners2 shared
Founder Collective2 shared
Sierra Ventures2 shared
PBJ Capital2 shared
Gutbrain Ventures2 shared
Vista Equity Partners2 shared
private angel investors2 shared
Eastward Capital Partners2 shared
Last updated: 27 September 2026