Investors / Mack Ventures
Mack Ventures
Venture capital
Mack Ventures is a venture capital firm that backs founders pursuing large, complex challenges. The firm describes itself as investing in tenacious founders and lists portfolio companies including Factory, NewLimit, Flexport, Onodrim, Formal, Biofire, UMA, Scale, and Medicine.
Invests inAI & Machine Learning
Your fit with Mack Ventures
Four questions about your startup
See how your round matches what it backs, point by point.
Or find every investor that fitsMack Ventures lists 6 checked portfolio companies on its own site. Its largest themes are AI & Machine Learning (44%), Enterprise Software (11%) and Healthcare & Biotech (11%). 80% of its companies are based in United States. It invests most often alongside Founders Fund, K5 Global and 137 Ventures.
No funding round on record names Mack Ventures yet, so the figures come from its portfolio page.
Investor profile
percentile among all firmsShow as a table
| Measure | Percentile of all firms | Value |
|---|---|---|
| Portfolio size | 15th | 8 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 | 79th | 44% in its largest sector |
| Reach | 42th | 2 countries |
Its portfolio companies
where they are based, and what their own sites showSite status
- Site answers6100%
- No longer answers00%
- Points to another company00%
- 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.
Investment themes
share of its checked companiesThis firmAll checked companies
Show as a table
| This firm | All checked companies | |
|---|---|---|
| AI & Machine Learning | 44% | 18% |
| Enterprise Software | 11% | 8% |
| Healthcare & Biotech | 11% | 15% |
| Legal & Compliance | 11% | 2% |
| Industrial & Manufacturing | 11% | 7% |
| Cybersecurity | 11% | 4% |
Co-investor network
who it backs companies with, and who they back togetherCompare Mack Ventures head to head
portfolio size, rounds, entry stages, themes and the companies both backThree or more firms at once: portfolio overlap.
Portfolio
6 companies checked against their own sites| Company | What it does | Themes | First round with it | Evidence |
|---|---|---|---|---|
| The company develops software for autonomous coding agents for enterprises. | Enterprise SoftwareAI & Machine Learning | Portfolio page | ||
| Flexport provides freight forwarding and supply chain services to its customers. | Legal & ComplianceIndustrial & Manufacturing | Portfolio page | ||
| Formal provides network security solutions, including endpoint and privileged access management products, for the agentic era. | CybersecurityAI & Machine Learning | Portfolio page | ||
| NewLimit is inventing medicines to add healthy years to people's lives. | Healthcare & Biotech | Portfolio page | ||
| Portfolio page | ||||
| Biofire designs and manufactures a 9mm home defense handgun with biometric authentication features. | AI & Machine LearningAI & Machine Learning | Portfolio page |
About this data
site last read 5 Nov 2026- Site
- mackventures.com
- Last read
- 5 Nov 2026
- Watching since
- 6 Nov 2026
- Companies checked
- 6
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.
Get Mack Ventures' profile as data
Pull Mack Ventures' portfolio, co-investors and changes through one API key or MCP, open every portfolio row, compare it with other firms, and get an email when it adds a company or files a fund.
Work email, sign-in link by email. Already have an account? Log in- Ask AI5 plain-English investor searches a day
- Full listsEvery portfolio row and two-firm overlap
- API and MCP100 REST or MCP calls a month, one key
- AlertsFollow 5 investors for portfolio and fund changes
$ curl -H "X-API-Key: YOUR_KEY" \
https://api.vcinfo.io/v1/firms/mackventures.com
# also
GET /v1/firms/mackventures.com/portfolio
GET /v1/firms/mackventures.com/coinvestors
GET /v1/firms/mackventures.com/news