Investors / United States / Series X Capital
Series X Capital
Venture capital · San Francisco, CA, United States · North America
Series X Capital is an independent venture fund with $600M in capital, including from Alphabet, that invests exclusively in spinouts from Alphabet's X, The Moonshot Factory. It holds exclusive rights to invest in X technologies and builds them into independent companies.
Invests inAI & Machine LearningHealthcare & Biotech
In its own wordsmoonshotsdeep techaiconnectivitylogisticshealth
Your fit with Series X Capital
Four questions about your startup
See how your round matches what it backs, point by point.
Or find every investor that fitsSeries X Capital lists 4 checked portfolio companies on its own site and is named in 2 funding rounds, 1 of them as lead. Its most frequent entry is Seed, 100% of the companies with a known first round. Its largest themes are AI & Machine Learning (25%), Healthcare & Biotech (25%) and Real Estate & Construction (13%). 100% of its companies are based in United States. It invests most often alongside CU Healthcare Innovation Fund, CapitalG and Sorenson Impact Foundation.
Counts come from funding rounds that name Series X Capital, 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 roundSeries X Capital does not state its stages on its site, so only what it does is shown.
Show as a table
| Value | |
|---|---|
| Pre-seed | 0% |
| Seed | 100% |
| Series A | 0% |
| Series B | 0% |
| 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 | 2 | 1 |
Investment themes
share of its checked companiesThis firmAll checked companies
Show as a table
| This firm | All checked companies | |
|---|---|---|
| AI & Machine Learning | 25% | 18% |
| Healthcare & Biotech | 25% | 15% |
| Real Estate & Construction | 13% | 3% |
| Industrial & Manufacturing | 13% | 7% |
| Media & Entertainment | 13% | 4% |
| Education | 13% | 7% |
Its portfolio companies
where they are based, and what their own sites showSite status
- Site answers4100%
- 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.
Invests most often with
firms sharing its portfolio companiesShow as a table
| Share | |
|---|---|
| CU Healthcare Innovation Fund | 1 |
| CapitalG | 1 |
| Sorenson Impact Foundation | 1 |
Co-investor network
who it backs companies with, and who they back togetherAll co-investors or Compare portfolios with CU Healthcare Innovation Fund
Compare Series X Capital 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 Series X Capital| Date | Company | Stage |
|---|---|---|
| 19 Mar 2026 | Seed | |
| 19 Mar 2026 | Round Led |
Round details for Series X Capital
Amounts, full round histories and every co-investor in Series X Capital's rounds are on Fundup AI. VCinfo covers investors and their portfolios.
Portfolio
4 companies checked against their own sites| Company | What it does | Themes | First round with it | Evidence |
|---|---|---|---|---|
| Anori offers a platform for cities, architects, and developers to make better decisions together for smarter and faster city planning. | Real Estate & ConstructionAI & Machine Learning | Mar 2026Seed | Page + round | |
| Chorus provides a suite of AI-powered tools to track and manage assets in real time | Healthcare & BiotechIndustrial & Manufacturing | Portfolio page | ||
| Taara provides high-speed wireless internet using light beam technology | Media & EntertainmentEducation | Portfolio page | ||
| Verily provides a platform for healthcare data analysis and AI deployment to improve patient care and research outcomes. | Healthcare & BiotechAI & Machine Learning | Mar 2026Round | Page + round |
About this data
site last read 5 Nov 2026- Site
- seriesxcapital.com
- Last read
- 5 Nov 2026
- Watching since
- 5 Nov 2026
- Rounds since
- 19 Mar 2026
- Companies checked
- 4
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 Series X Capital's profile as data
Pull Series X Capital's 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.
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- 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/seriesxcapital.com
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GET /v1/firms/seriesxcapital.com/portfolio
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