Investors / United States / Boulder Ventures
Boulder Ventures
Venture capital · Boulder, CO, United States · North America
Boulder Ventures is a venture capital firm that invests in IT and biotech companies. It has backed 61 companies across its funds Boulder Ventures I through VIII, with 28 exits and 10 IPOs.
Invests inAI & Machine LearningHealthcare & BiotechCybersecurity
In its own wordsitbiotechventure capital
Your fit with Boulder Ventures
Four questions about your startup
See how your round matches what it backs, point by point.
Or find every investor that fitsBoulder Ventures lists 6 checked portfolio companies on its own site and is named in 3 funding rounds. Its most frequent entry is Seed, 33% of the companies with a known first round. Its largest themes are AI & Machine Learning (27%), Healthcare & Biotech (18%) and Cybersecurity (18%). 100% of its companies are based in United States. It invests most often alongside ARCH Venture Partners, Altai Ventures and Alumni Ventures.
Counts come from funding rounds that name Boulder Ventures, complete from mid-2025: earlier rounds appear only when they were reported later. Round amounts and full round histories are on Fundup AI.
Entry stage
share of companies by the stage of its first roundBoulder Ventures does not state its stages on its site, so only what it does is shown.
Show as a table
| Value | |
|---|---|
| Pre-seed | 0% |
| Seed | 33% |
| Series A | 33% |
| Series B | 33% |
| Growth | 0% |
Activity by year
rounds it joined, last 10 yearsShow as a table
| Total | Rounds it led | |
|---|---|---|
| '17 | 0 | 0 |
| '18 | 0 | 0 |
| '19 | 0 | 0 |
| '20 | 0 | 0 |
| '21 | 0 | 0 |
| '22 | 0 | 0 |
| '23 | 0 | 0 |
| '24 | 0 | 0 |
| '25 | 0 | 0 |
| '26 | 3 | 0 |
Investor profile
percentile among all firmsShow as a table
| Measure | Percentile of all firms | Value |
|---|---|---|
| Portfolio size | 8th | 6 companies |
| Recent activity | 76th | 3 rounds in 12 months |
| Early stage | 64th | 33% of entries at pre-seed or seed |
| Evidence | 52th | 0% of companies confirmed by a round |
| Sector focus | 43th | 27% in its largest sector |
| Reach | 19th | 1 country |
Invests most often with
firms sharing its portfolio companiesShow as a table
| Share | |
|---|---|
| ARCH Venture Partners | 1 |
| Altai Ventures | 1 |
| Alumni Ventures | 1 |
| American Family Ventures | 1 |
| Ash Creek Advisors | 1 |
| Blue Cloud Ventures | 1 |
| Delta-v Capital | 1 |
| Evolution-VC | 1 |
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 | 27% | 18% |
| Healthcare & Biotech | 18% | 15% |
| Cybersecurity | 18% | 4% |
| Fintech | 18% | 12% |
| Industrial & Manufacturing | 18% | 7% |
Co-investor network
who it backs companies with, and who they back togetherAll co-investors or Compare portfolios with ARCH Venture Partners
Compare Boulder Ventures head to head
portfolio size, rounds, entry stages, themes and the companies both backThree or more firms at once: portfolio overlap.
Recent portfolio activity
when companies last raised with Boulder Ventures| Date | Company | Stage |
|---|---|---|
| 31 Mar 2026 | Series B | |
| 17 Feb 2026 | Seed | |
| 3 Feb 2026 | Series A |
Round details for Boulder Ventures
Amounts, full round histories and every co-investor in Boulder Ventures' rounds are on Fundup AI. VCinfo covers investors and their portfolios.
Portfolio
6 companies checked against their own sites| Company | What it does | Themes | First round with it | Evidence |
|---|---|---|---|---|
| Ambrosia Biosciences is a drug discovery company developing orally delivered, small molecule-based therapies for obesity and other metabolic disorders. | Healthcare & Biotech | Mar 2026Series B | Funding round | |
| Boulder Ventures provides venture capital for IT and Biotech companies | FintechHealthcare & Biotech | Portfolio page | ||
| Comeryx provides insurance for small business artisan contractors using an AI platform | FintechIndustrial & Manufacturing | Feb 2026Seed | Funding round | |
| Emerson provides automation solutions and products for various industries, including automation systems, control and measurement instruments, and software | Industrial & ManufacturingAI & Machine Learning | Portfolio page | ||
| RapidFort provides software supply chain security solutions for containers | CybersecurityAI & Machine Learning | Feb 2026Series A | Funding round | |
| The company helps application developers, device manufacturers, and end-users embed trust in devices, applications, and data for preventive maintenance and operational risk management with AI/ML powered decisions and human in the loop. | CybersecurityAI & Machine Learning | Portfolio page |
About this data
site last read 8 Nov 2026- Site
- boulderventures.com
- Last read
- 8 Nov 2026
- Watching since
- 6 Nov 2026
- Rounds since
- 3 Feb 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.
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