Ridgeline Partners is a Memphis-based early-stage venture capital firm founded in 2019 that invests in enterprise technology companies, with a focus on deep-tech and critical infrastructure sectors targeting government and Fortune 500 customers.
Deal activity increased 67% year-over-year (5 deals in the last 12 months). Their most common stage is series-a (45% of deals). Average disclosed round size is $34.5M (across 36 rounds with reported amounts).
Portfolio
30
Fund Size
$180M
Top Stage
Series A
Last 12 Mo
5
Team
Andrew McMahon
Co-Founder & General Partner
Joe Callaghan
Managing Partner
Ryan Clinton
General Partner
April Ekstrom
Managing Director
James Tennant
Managing Director
John Chalfant
Partner
Philip Hirz
Founder/Principal
Jason Carney
Managing Member
Portfolio Breakdown
Stage Distribution
Sector Distribution
Investment Activity
Portfolio
| Company | Round | Amount | Date |
|---|---|---|---|
| KKnox | Series A | $25M | Mar 2026 |
 Knox | Series A | $25M | Mar 2026 |
 Satellite Vu | Unknown | $40M | Feb 2026 |
| Knox | Seed | $6.5M | Jan 2026 |
 SatVu | Unknown | — | Jan 2026 |
 Harbinger Motors | Series C | $160M | Nov 2025 |
 LGND AI | Seed | $9M | Jul 2025 |
 BlueShift | Pre-Seed | $2.1M | Mar 2025 |
| Harbinger Motors | Series B | $100M | Jan 2025 |
 Squared.ai | Series A | $13.8M | Apr 2024 |
 Smallstep | Seed | $26M | Jan 2024 |
| Harbinger Motors | Series A | $60M | Sep 2023 |
| Satellite Vu | Series A | $15.8M | May 2023 |
 Lifeforce | Series A | $12M | Jan 2023 |
 Eion | Series A | $12M | Dec 2022 |
 Cornelis Networks | Series B | $29M | Nov 2022 |
 Altana Technologies | Series B | $100M | Oct 2022 |
 Planet Watchers | Series A | $11M | Sep 2022 |
| Squared.ai | Seed | $6M | Jun 2022 |
 Agolo | Series A | — | Mar 2022 |
| PPlanetWatchers | Series A | $11M | Jan 2022 |
| Altana Technologies | Series B | — | Jan 2022 |
 Altana Ai | Series A | $15M | May 2021 |
 Cape | Series A | $20M | Apr 2021 |
 Replicated, Inc. | Series C | $50M | Jan 2021 |
Top Co-Investors
Last updated: 7 October 2026