Investors / United States / Spark Capital
Spark Capital
Venture capital · Boston, MA, United States · North America
Spark Capital is a venture capital firm that invests in founders and companies. The firm describes backing ambition, people, and ideas at the edge of the frontier, and says it partners with founders over a decade-long journey.
Invests inAI & Machine Learning
In its own wordsfrontier techsciencefoundersventure capital
Your fit with Spark Capital
Four questions about your startup
See how your round matches what it backs, point by point.
Or find every investor that fitsSpark Capital lists 92 checked portfolio companies on its own site and is named in 78 funding rounds, 27 of them as lead. Its most frequent entry is Growth, 36% of the companies with a known first round. Its largest themes are AI & Machine Learning (35%), Fintech (13%) and Cybersecurity (9%). 84% of its companies are based in United States. It invests most often alongside Andreessen Horowitz, Sequoia Capital and SV Angel.
Counts come from funding rounds that name Spark 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 roundSpark Capital does not state its stages on its site, so only what it does is shown.
Show as a table
| Value | |
|---|---|
| Pre-seed | 2% |
| Seed | 12% |
| Series A | 34% |
| Series B | 16% |
| Growth | 36% |
Activity by year
rounds it joined, last 10 yearsShow as a table
| Total | Rounds it led | |
|---|---|---|
| '17 | 0 | 0 |
| '18 | 1 | 0 |
| '19 | 0 | 0 |
| '20 | 0 | 0 |
| '21 | 4 | 1 |
| '22 | 2 | 0 |
| '23 | 1 | 0 |
| '24 | 2 | 2 |
| '25 | 23 | 6 |
| '26 | 45 | 18 |
Investor profile
percentile among all firmsShow as a table
| Measure | Percentile of all firms | Value |
|---|---|---|
| Portfolio size | 95th | 92 companies |
| Recent activity | 100th | 46 rounds in 12 months |
| Early stage | 55th | 13% of entries at pre-seed or seed |
| Evidence | 90th | 18% of companies confirmed by a round |
| Sector focus | 63th | 35% in its largest sector |
| Reach | 95th | 10 countries |
Investment themes
share of its checked companiesThis firmAll checked companies
Show as a table
| This firm | All checked companies | |
|---|---|---|
| AI & Machine Learning | 35% | 18% |
| Fintech | 13% | 12% |
| Cybersecurity | 9% | 4% |
| Healthcare & Biotech | 8% | 15% |
| Enterprise Software | 8% | 8% |
| Space & Defense | 4% | 3% |
| Industrial & Manufacturing | 3% | 7% |
| E-commerce & Marketplaces | 3% | 6% |
Invests most often with
firms sharing its portfolio companiesShow as a table
| Share | |
|---|---|
| Andreessen Horowitz | 19 |
| Sequoia Capital | 16 |
| SV Angel | 15 |
| Index Ventures | 13 |
| Kleiner Perkins | 12 |
| Lightspeed Venture Partners | 12 |
| Y Combinator | 12 |
| Coatue | 10 |
Its portfolio companies
where they are based, and what their own sites showSite status
- Site answers8997%
- No longer answers00%
- Points to another company33%
- 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 Andreessen Horowitz
Compare Spark 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 Spark Capital| Date | Company | Stage |
|---|---|---|
| 20 Oct 2026 | Series C+ Led | |
| 8 Oct 2026 | Series B Led | |
| 6 Oct 2026 | Seed | |
| 28 Sept 2026 | Pre-Seed Led | |
| 16 Sept 2026 | Series A Led | |
| 10 Sept 2026 | Series A | |
| 10 Sept 2026 | Series A Led | |
| 8 Sept 2026 | Series C+ Led |
Round details for Spark Capital
Amounts, full round histories and every co-investor in Spark Capital's rounds are on Fundup AI. VCinfo covers investors and their portfolios.
Portfolio
92 companies checked against their own sites| Company | What it does | Themes | First round with it | Evidence |
|---|---|---|---|---|
| The company provides artificial intelligence-based security platforms and services for cybersecurity operations | CybersecurityAI & Machine Learning | Funding round | ||
| The company provides an AI-native platform for modern credit teams to access debt market intelligence, data, and analytics. | FintechAI & Machine Learning | Mar 2026Series C+ | Funding round | |
| Abridge develops and provides generative AI for clinical conversations and documentation in healthcare. | Healthcare & BiotechAI & Machine Learning | Feb 2025Series C+ | Page + round | |
| May 2021Series C+ | Funding round | |||
| Affirm offers payment plans for shoppers to pay over time with no fees | Fintech | Portfolio page | ||
AI & Machine LearningAI & Machine Learning | Dec 2023Series B · 2 rounds | Page + round | ||
| Anrok provides a global sales tax and VAT solution for modern commerce | FintechE-commerce & Marketplaces | Oct 2025Series C+ | Funding round | |
| Anthropic develops AI models and products, including the Claude models, and conducts AI safety research. | AI & Machine LearningEnterprise Software | Portfolio page | ||
| Base Power provides home energy solutions, including backup power and energy savings, to homeowners in Texas and Illinois. | EducationIndustrial & Manufacturing | Page + round | ||
| Baseten brings inference, training, and execution together on one platform to power companies | AI & Machine LearningSpace & Defense | Jun 2026Series C+ | Page + round | |
| Benchling provides software for research and development teams to manage and automate their workflows, particularly in biotechnology and drug discovery. | Healthcare & BiotechAI & Machine Learning | Portfolio page | ||
| The company develops decentralized infrastructure for Bitcoin. | FintechCrypto & Web3 | Oct 2025Seed | Funding round | |
| The company is building a helpful robot for every home | Robotics & Hardware | Portfolio page | ||
| Cadence develops and provides clinical AI software for chronic care management | Healthcare & Biotech | Jun 2026Series C+ | Funding round | |
| Sept 2025Series A · 2 rounds | Funding round | |||
| Capitolis provides technology solutions for the capital markets, including capital marketplace, portfolio optimization, and securities lending services. | FintechFintech | Mar 2021Series C+ | Funding round | |
| Cardless provides technology, operations, and infrastructure for companies to create and manage their own credit card programs. | FintechE-commerce & Marketplaces | Sept 2025Series C+ | Funding round | |
| Chainguard provides a platform for securing open source software and preventing malware and vulnerability risks in containers, dependencies, and CI/CD actions. | CybersecurityAI & Machine Learning | Page + round | ||
| CivilGrid provides a platform for managing and mapping site data for construction and infrastructure projects. | ConsumerIndustrial & Manufacturing | Aug 2026Series A | Funding round | |
| Portfolio page |
About this data
site last read 11 Nov 2026- Site
- sparkcapital.com
- Last read
- 11 Nov 2026
- Watching since
- 5 Nov 2026
- Rounds since
- 11 Dec 2018
- Companies checked
- 92
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 Spark Capital's profile as data
Pull Spark 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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