F4 FundFund
TeamPortfolioRaiseEssays
Sign in
Investment ThesisInvestment TeamF4 Research BriefSelected PortfolioRecent UpdatesFrequent co-investorsSimilar Firms
Hot Fund

Ridgeline Partners

www.ridgeline.vc · Memphis, TN

Investment thesis

Back founders building applied technology for manufacturing, logistics, energy and defense, and use embedded Fortune 500 and government relationships to help them win the most demanding buyers.

Leads
Lead Tendency
01Investment Thesis

Back founders building applied technology for manufacturing, logistics, energy and defense, and use embedded Fortune 500 and government relationships to help them win the most demanding buyers.

02Investment Team
RC
Ryan Clinton
General Partner
BW
Ben Walker
General Partner
AM
Andrew McMahon
General Partner
03F4 Research Brief

Ridgeline Partners Research

Investment Thesis

Ridgeline (legal entity Ridgeline Capital Management, funds branded Ridgeline Ventures) is an early-stage venture firm that backs applied technology for operationally demanding markets. Its homepage frames the pitch as "Deep-tech is having its renaissance": the infrastructure that powers, moves and defends global economies is being rebuilt by founders who chose consequential markets on purpose. The firm names manufacturing, logistics, energy and defense as the core arenas, and AI, advanced computing, hardware and automation as the enabling technologies. Its stated edge is access: companies in these markets must sell to governments and Fortune 500 enterprises, and Ridgeline says it is embedded with both, where most venture firms never land a meeting.

Stage Focus

Press coverage describes investing primarily at pre-seed and seed. Earlier coverage (2024) quoted the firm's thesis as Seed and Series A businesses, and a 2022 Techstars piece described checks of up to $5M for 5 to 10 percent ownership. The firm also led Harbinger's $60M Series A, so it will go later than seed when it has conviction. Its own site says it wrote AMESA's first check.

Check Size

The firm does not publish a check size on its site. The only figure found is a 2022 report of checks up to roughly $5M, which is dated. Check size minimum and maximum are left unset rather than guessed.

Lead Tendency

CityBiz reports that Ridgeline typically leads or co-leads early-stage financings and stays involved as companies move from pilots to scaled enterprise adoption. The homepage confirms it led Harbinger's $60M Series A and that a partner, Ryan Clinton, joined Harbinger's board.

Recent Activity

Fund II closed in December 2025 and was announced on 2026-04-30 at more than $180M in commitments, oversubscribed. It combines Ridgeline Ventures Fund II LP and Fund II-S LP. Fund II-S is part of the first cohort of SBIC Critical Technology licensees approved under the U.S. Office of Strategic Capital, which brings SBA leverage. Corporate LPs include FedEx and Cisco Investments. Fund I was $52M, announced in October 2022, with FedEx, AutoZone and Dollar General as strategic LPs. The firm appears to be actively deploying Fund II.

Portfolio Highlights

The site claims 30+ companies. Named highlights: Harbinger (medium-duty electric vehicles and modular power; $358M raised, FedEx as Series C co-lead and first fleet customer), Altana (supply chain visibility for governments and enterprises; the site says valuation grew from about $40M to $1B in under two years), Q-CTRL (quantum infrastructure software), AMESA, aisquared, Knox, SatVu, Loft Orbital, Gilmour Space, Opentrons, Neural Magic, StreamSets and Eclypsium (marked exited on the site). Other logos on the wall include Zenith AI, ANVL, Auxon, Blueshift, Composabl, Eion, Harbr, ICON, implicit, MachineMetrics, Mesomat, Multiscale Technologies, Myriota, Planet Watchers, Psionic, Replicated, Spell, Tread and Wallaroo.

Team

  • Ryan Clinton, General Partner: West Point graduate, served in the U.S. Army including combat deployment, MBA, based in Memphis. Sits on Harbinger's board.
  • Ben Walker, General Partner: West Point graduate who served with Clinton, MAIS, Bay Area based.
  • Andrew McMahon, General Partner: Former Obama administration official, MPP, Washington, D.C. based, an Alchemist Accelerator portfolio mentor.

The three co-founded the firm in 2019 and together claim over 25 years inside the environments their portfolio companies must win in.

Decision Process

Three equal general partners, so a partnership model. No decision timeline is published.

Founder Preferences

Founders building durable technology for the industrial base who sell to demanding commercial and government customers, and who value help with enterprise and defense go-to-market: introductions, pilots, customers, advisors and hires. The firm says it builds alongside its companies.

Geographic Focus

United States, with offices in Memphis, Washington, D.C. and Los Angeles. Portfolio includes companies outside the U.S. (Q-CTRL, SatVu, Loft Orbital, Gilmour Space, Myriota), so geography is not a hard filter.

Gaps

The firm's own domain ridgeline.vc did not load in the research reader at first; the www host did. The Business Wire Fund II release could not be read directly, so fund facts come from CityBiz and Pulse 2 coverage of the same release. There is no dedicated portfolio or team page; the homepage logo wall carried the portfolio. Check sizes and per-company stages are not disclosed.

04Selected Portfolio
Aerospace & Defense
Loft Orbital·Gilmour Space·Auxon·Psionic
Biotech & Life Sciences
Zenith Ai·Opentrons
Climate & Sustainability
SatVu
Developer Tools & Infrastructure
Spell
Energy & Power
Knox
Enterprise Software
Amesa·Altana·Q-CTRL·aisquared·Anvl·BlueShift·Composabl·Harbr·MachineMetrics·MesoMat·Myriota·Neural Magic·Replicated·StreamSets·Tread·Wallaroo
Insurance
Planet Watchers
Logistics & Supply Chain
Sabi
Manufacturing & Industrial
ICON
Marketing & Adtech
LEGEND
Security & Cybersecurity
Smallstep·Eclypsium
Semiconductors & Hardware
Multiscale Technologies
Other
Matta·Eion·Implicit·Harbinger
Open the full portfolio→
05Recent Updates

Fresh signals from public announcements, essays, and portfolio activity.

Led Harbinger's $60M Series A, and Ryan Clinton joined the board.
INVESTMENT·ridgeline.vc
Added recently
Announced the oversubscribed final close of Fund II at more than $180M, including SBIC Critical Technology licensing and backing from FedEx and Cisco Investments.
NEW FUND·citybiz.co+2
APR 30, 2026
Launched an oversubscribed $52M Fund I with strategic corporate LPs including FedEx, AutoZone and Dollar General.
NEW FUND·businesswire.com
OCT 4, 2022
06Frequent co-investors
MS
Main Sequence
Both backed 3 of the same companies
Q-CTRL, Myriota, Gilmour Space
A
Alleycorp
Both backed 2 of the same companies
Multiscale Technologies, Altana
HG
Hannah Grey
Both backed 2 of the same companies
Amesa, Composabl
LM
Lockheed Martin Ventures
Both backed 2 of the same companies
Q-CTRL, SatVu
SC
Seraphim Capital
Both backed 2 of the same companies
Planet Watchers, SatVu
Find the investors for your round→
07Similar Firms
N
N47
Seed · Series A
→
HV
Harpoon Ventures
$500K – $5M · Pre-Seed · Seed
→
CI
CEAS Investments
$250K+ · Pre-Seed · Seed
→
AV
Alumni Ventures
$250K – $5M · Pre-Seed · Seed
→
RS
Red Swan Ventures
$250K – $100M · Pre-Seed · Seed
→
Quick Reference
Stages
Pre-Seed · Seed
Decision
Partnership
Warm Intro
Not Required
Involvement
Board Seat
Location
Memphis, TN
Sector Focus
Manufacturing & IndustrialAerospace & DefenseLogistics & Supply ChainEnterprise Software
Models
B2BDual-Use / Government
Technology
AI/MLHardwareAutomationAdvanced Computing
See all Manufacturing & Industrial investors →See all Aerospace & Defense investors →See all Logistics & Supply Chain investors →
Visit www.ridgeline.vc ↗

See how Ridgeline Partners matches your startup

Get a personalized match report in minutes.

Get Your Match Report
Focus Areas
Manufacturing & IndustrialAerospace & DefenseLogistics & Supply ChainEnterprise Software

See how Ridgeline Partners matches your startup

Get a personalized match report in minutes.

Get Your Match Report
Is this your firm? Claim your profile
F4 Intelligence Report · Last Researched November 6, 2026F4 Research Engine