Organization · Venture Capital
Operator Stack Fund
Operator Stack Fund is an early-stage technology fund based in San Francisco, focusing on logistics, supply chain, fintech, and B2B SaaS sectors. The fund leverages a network of over 200 limited partners who are active technology operators.
Overview
What Operator Stack Fund does
What Operator Stack Fund is
Operator Stack Fund is an early-stage technology fund based in San Francisco, focusing on logistics, supply chain, fintech, and B2B SaaS sectors. The fund leverages a network of over 200 limited partners who are active technology operators.
How it participates in the startup ecosystem
The current public profile supports funder capabilities. Each capability below is shown separately so organization identity and role-specific information do not get conflated.
Operational profile
Organization status and context
Organization status describes the entity itself. Funding and program availability appear within the relevant capability profile.
- Operational status
- Active
- Organization type
- Venture Capital
- Structured capabilities
- Funder
- Last reviewed
- April 9, 2026
Official channels
Find Operator Stack Fund elsewhere
Open the official website or a supported primary organization account.
Capability profile
Operator Stack Fund as a funder
Investment thesis
Operator Stack is an operator-driven fund built by full-time technology operators. It invests in logistics, supply chain, fintech, and B2B SaaS, leveraging the direct pain-point credibility of its active operators and a network of over 200 operators as limited partners to provide portfolio companies with warm access to enterprise buyers and talent.
Focus narrative
Operator Stack focuses on investing in early-stage companies across logistics, supply chain, fintech, and B2B SaaS sectors. The fund not only provides capital but also operational support and advice to founders, leveraging the collective experience of its team in business, product, and technology.
Value beyond capital
Operator Stack adds value to its portfolio companies by providing operational support and leveraging the extensive experience of its team and network of operators. This includes access to enterprise buyers, talent, and strategic advice tailored to the unique challenges faced by startups in their respective sectors.
Terms and economics
- Typical check
- $100,000–$5,000,000
- Sweet spot
- $1,500,000
Focus and fit
- Stages
- Pre-seed · Seed · Series A
- Regions
- United States
Availability
- Currently deploying
- Yes
Portfolio and track record
- Recorded notable exits
- SumUp
Portfolio context
Notable portfolio companies include: Loop: A logistics payments platform that streamlines shipment document capture. Vooma: A freight AI/automation company that recently announced a Series A funding round. Greenscreens: A logistics pricing infrastructure company acquired for $160 million by Triumph Financial. NorthOne: A banking platform designed to simplify financial management for businesses. Stake: A financial technology company focused on prioritizing savings for users.
Common questions
What to know about Operator Stack Fund
Upseed classifies Operator Stack Fund under the Venture Capital organization type. Its current public profile includes funder capabilities.
Source and update disclosure
Know what this page is based on
Source basis
Public organization and program material, official websites, and structured Upseed records.
Last reviewed
April 9, 2026
Known limits
Capability profiles appear only when a structured public profile also contains decision-useful role evidence. Terms and availability can change.
Upseed is an independent guide. It is not affiliated with or endorsed by the organization described on this page.