Investors / United States / Sigma Prime Ventures
Sigma Prime Ventures
Venture capital · Campbell, CA, United States · North America
Sigma Prime Ventures is a venture capital firm whose partners, many of them former founders and operators, invest in early stage technology companies. The firm has been backing entrepreneurs since 1984 and reports exits worth over $4.2B from companies where its partners were founders or operators.
Invests inAI & Machine LearningEnterprise Software
In its own wordssaascloudmobiledisruptive technologytechnology-enabled servicesearly stage
Your fit with Sigma Prime Ventures
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See how your round matches what it backs, point by point.
Or find every investor that fitsSigma Prime Ventures lists 21 checked portfolio companies on its own site. Its largest themes are AI & Machine Learning (18%), Enterprise Software (18%) and Cybersecurity (15%). 100% of its companies are based in United States. It invests most often alongside Gutbrain Ventures, Golub Growth and Koa Labs.
No funding round on record names Sigma Prime Ventures yet, so the figures come from its portfolio page.
Round figures show recent activity, not Sigma Prime Ventures' whole history. Rounds on record name 0 companies; its own site lists 21. Funding rounds are complete from mid-2025, so counts and the yearly trend undercount a firm that invested before then. The portfolio, themes and places come from its own site and are not affected.
Investment themes
share of its checked companiesThis firmAll checked companies
Show as a table
| This firm | All checked companies | |
|---|---|---|
| AI & Machine Learning | 18% | 18% |
| Enterprise Software | 18% | 8% |
| Cybersecurity | 15% | 4% |
| Media & Entertainment | 12% | 4% |
| Education | 6% | 7% |
| Healthcare & Biotech | 6% | 15% |
| Consumer | 6% | 3% |
| E-commerce & Marketplaces | 6% | 6% |
Invests most often with
firms sharing its portfolio companiesShow as a table
| Share | |
|---|---|
| Gutbrain Ventures | 4 |
| Golub Growth | 2 |
| Koa Labs | 2 |
| NewView Capital | 2 |
| PBJ Capital | 2 |
| Titanium Ventures | 2 |
| Advancit Capital | 1 |
| Archetype Ventures | 1 |
Investor profile
percentile among all firmsShow as a table
| Measure | Percentile of all firms | Value |
|---|---|---|
| Portfolio size | 49th | 19 companies |
| Recent activity | 46th | 0 rounds in 12 months |
| Early stage | 54th | 0% of entries at pre-seed or seed |
| Evidence | 52th | 0% of companies confirmed by a round |
| Sector focus | 8th | 18% in its largest sector |
| Reach | 19th | 1 country |
Its portfolio companies
where they are based, and what their own sites showSite status
- Site answers1781%
- No longer answers00%
- Points to another company419%
- Parked or sold domain00%
A site that stops answering three checks in a row is counted as no longer answering; that is not proof of closure. A site that points to another company is often an acquisition.
Co-investor network
who it backs companies with, and who they back togetherAll co-investors or Compare portfolios with Gutbrain Ventures
Compare Sigma Prime Ventures head to head
portfolio size, rounds, entry stages, themes and the companies both backThree or more firms at once: portfolio overlap.
Portfolio
21 companies checked against their own sites| Company | What it does | Themes | First round with it | Evidence |
|---|---|---|---|---|
| Acquia provides a digital experience platform for managing content, community, and commerce | EducationHealthcare & Biotech | Portfolio page | ||
| Portfolio page | ||||
| BlueConic acquires and utilizes customer data to power customer growth through its platform | Consumer | Portfolio page | ||
| CallMiner provides conversation intelligence and automation software for customer experience | AI & Machine LearningEnterprise Software | Portfolio page | ||
| CarNow helps dealerships convert more website visitors into leads, more leads into sales, and more buyers into lifelong service customers. | AI & Machine LearningE-commerce & Marketplaces | Portfolio page | ||
| Ceros creates a platform for teams to create interactive content | Media & EntertainmentEnterprise Software | Portfolio page | ||
| CloudBees provides a governed software delivery solution for enterprises | FintechCybersecurity | Portfolio page | ||
AI & Machine LearningCybersecurity | Portfolio page | |||
| ExaGrid provides tiered backup storage products for data deduplication, offsite disaster recovery, and ransomware protection. | CybersecurityEnterprise Software | Portfolio page | ||
Enterprise SoftwareGaming | Portfolio page | |||
| Interactions provides conversational AI solutions for enterprise customer service needs | AI & Machine LearningEnterprise Software | Portfolio page | ||
| Nasuni provides a platform for managing, protecting, and activating unstructured data for enterprise teams and AI. | Enterprise SoftwareCybersecurity | Portfolio page | ||
| The company provides managed DNS services with real-time traffic steering to route users to the healthiest application endpoints. | CybersecurityAI & Machine Learning | Portfolio page | ||
| Paradigm4 provides a platform to turn multimodal data into evidence that reduces risk and builds conviction. | Healthcare & Biotech | Portfolio page | ||
| Phenom People provides a talent intelligence platform using applied AI | Human ResourcesAI & Machine Learning | Portfolio page | ||
| Recyclebank rewards residents for participating in recycling and environmental education activities | EducationEnterprise Software | Portfolio page | ||
| The company's website is not available, and the page is a domain registration page from IONOS. | Robotics & Hardware | Portfolio page | ||
| TVision Insights provides data and insights on how people watch TV, including attention and engagement metrics for ads and content | Media & EntertainmentConsumer | Portfolio page | ||
FintechMedia & Entertainment | Portfolio page | |||
AI & Machine LearningReal Estate & Construction | Portfolio page |
About this data
site last read 5 Nov 2026- Site
- sigmaprime.com
- Last read
- 5 Nov 2026
- Watching since
- 5 Nov 2026
- Companies checked
- 21
Rates come from what VCinfo has observed since observation_start. Firms tend to remove companies that closed, so early rates understate reality. A company leaving a portfolio page does not mean it closed or exited. An unreachable site means our checks failed, nothing more.
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