Spark Capital
VC Fund
San Francisco, United States
Spark Capital is an early-stage venture capital firm that invests in exceptional products and the creative individuals behind them. Known for embracing risk and a unique approach, Spark Capital has backed companies like Twitter, Discord, Anthropic, Cruise, Niantic, Oculus, Warby Parker, and Tumblr. Recognizing that there are no set playbooks or formulas for success, the firm supports founders in achieving success on their own terms. Spark Capital invests across all sectors and stages, operating out of San Francisco, Boston, and New York City.
- Total investments:
- 689
- Last investment:
- Lead investor:
- 47%
- Fund size:
- $10M
- Last fund:
Last updated:
For AI agents: llms.txt
Industries Spark Capital invests in
Stages Spark Capital invests in
Countries Spark Capital invests in
Round sizes
Contacts
| Name | Phone | Socials | |
|---|---|---|---|
| See all 13 contacts → | |||
Round size
- Seed
- $1.1M–$25M
- Series A
- $4M–$44M
- Series B
- $7.4M–$103M
Investment Focus
Industry
- Software 90 (13%)
- Artificial Intelligence 66 (10%)
- FinTech 47 (7%)
- Financial Services 40 (6%)
- Information Technology 33 (5%)
Stage
- Series A 160 (23%)
- Series B 146 (21%)
- Seed 91 (13%)
- Series C 85 (12%)
- Series D 50 (7%)
Country
- United States 298 (43%)
- United Kingdom 11 (2%)
- Germany 8 (1%)
- Israel 7 (1%)
- Canada 6 (1%)
Team
| Name | Title | Investments | Links | |
|---|---|---|---|---|
Clay Fisher
General Partner
|
General Partner | Total investments: 7 | Find email | |
Alexander Finkelstein
Co-founder & General Partner
|
Co-founder & General Partner | Total investments: 80 | Find email | |
Bijan Sabet
Co-Founder and General Partner
|
Co-Founder and General Partner | Total investments: 54 | Find email | |
Fraser Kelton
General Partner
|
General Partner | Total investments: 5 | Find email | |
James Kuklinski
General Partner, Growth
|
General Partner, Growth | Total investments: 8 | Find email | |
| See all 13 team members → | ||||
Investments
| Company | Description | Round | Links |
|---|---|---|---|
| Oratomic develops neutral-atom quantum hardware and architectures for fault-tolerant quantum computing. The company focuses on utility-scale quantum computers that use light and atoms to implement ultra-efficient quantum error correction. Its work targets applications ranging from scientific discovery to new approaches in artificial intelligenceand complex simulation. Oratomic combines expertise in quantum error correction, neutral-atom platforms, optical engineering, and machine learning. The organization aims to make fully fault-tolerant quantum computing practical for real-world use cases. | $475M / Series B / Oct 08, 2026 | ||
| We believe that the future of warfare is dictated by production capacity, and that our current system of manufacturing critical defensive munitions cannot meet the demand.Modern conflict has highlighted the need for cost-effective systems to complement our most exquisite ones — in the thousands per year.Furientis is building this critical massof next generation systems and is rapidly flight testing demonstrators today. | $25M / Seed / Oct 06, 2026 | ||
| Chiplytics specializes in data-driven inspection technology for deeper insights into the microelectronics supply chain. Its flagship product provides automated quality assurance for any semiconductor by collecting both an electrical signature and image of each chip and performing a patented analysis to determine if a chip is both authentic anderror-free. | $4.5M / Seed / Oct 06, 2026 | ||
| AntSeed operates a peer-to-peer protocol and open marketplace for AI services, connecting buyers with independent providers for model inference, agents, and routing. The network uses BitTorrent DHT for discovery and WebRTC for transport, while payments settle in USDC on the Base blockchain through non-custodial smart contracts. Providers define their own services and pricing, and on-chain settlement data is used to build verifiable performance and reputation metrics. AntSeed exposes OpenAI- and Anthropic-compatible APIs via a local proxy so existing tools, frameworks, and autonomous agents can route requests through the network. For non-technical users, the AntStation desktop application offers a chat interface that selects providers based on factors such as model type, cost, latency, and privacy. The ecosystem also includes the ANTS utility token, which underpins emissions and incentive programs tied to real network activity. | $2.4M / Seed / Oct 06, 2026 | ||
| HiringCafe's mission is to build a better job search engine using AI : fast, comprehensive, honest, and useful for real people making real career decisions. Rather than depending on recruiters or outside agencies to post openings, HiringCafe leverages automation and AI to monitor tens of thousands of company career pages several times daily. The aim is to present positions straight from employers while cutting through the noise of duplicate listings, agency posts, and inaccurate job ads. And unlike the conventional job boards, who merely look at job titles and locations, HiringCafe's AI understands the details of each job, and provides an unparalleled ability to filter down to just the most relevant opportunities. | $6.8M / Pre-Seed / Sep 28, 2026 | ||
| Rune Energy is a developer of a computation technology intended to monetize underutilized and surplus clean power. | $40M / Series A / Sep 16, 2026 | ||
| Payments technology company for the logistics Industry | $15M / Series A / Sep 10, 2026 | ||
| Energy Infrastructure | $120M / Series A / Sep 10, 2026 | ||
| Stoke Space develops the Nova rocket, a fully reusable launch vehicle designed to provide affordable access to and from Earth's orbit. The vehicle features a reusable upper stage that enables on-demand access to any orbit for cargo, logistics, and asset operations. Stoke Space operates vertically integrated design and manufacturing to buildand rapidly iterate on its rocket engines and structures. | $1B / Series E / Sep 08, 2026 | ||
| Light is a platform that offers embedded and branded electricity plans for the customers of power brands. | $46M / Series A / Sep 01, 2026 | ||
| See all 689 investments → | |||
Co-Investors
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FAQ
What does Spark Capital invest in?
Spark Capital invests primarily in Software, Artificial Intelligence and FinTech startups, most often at Series A and Series B stage. Most of the 689 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.
What round sizes does Spark Capital invest in?
Spark Capital typically joins rounds of $1.1M–$25M at Seed, $4M–$44M at Series A and $7.4M–$103M at Series B. These are whole funding-round sizes, not Spark Capital's own check, which is rarely disclosed: the 10th–90th percentile of the confirmed public funding rounds Spark Capital took part in.
How do I contact Spark Capital?
Public channels for Spark Capital include LinkedIn, X (Twitter) and the website linked on this profile. For a verified work email and phone number, create a free Shizune account — contact data is searched across 20+ sources and validated before delivery, so your outreach lands in the right inbox.
Who are the partners at Spark Capital?
The team at Spark Capital includes Clay Fisher (General Partner), Alexander Finkelstein (Co-founder & General Partner) and Bijan Sabet (Co-Founder and General Partner), among 13 team members tracked by Shizune. The Team section lists each member with their title, investment count and links.
Is Shizune's investor data accurate?
Yes — every stat on this profile is calculated from confirmed public funding rounds monitored across hundreds of sources since 2020. This profile was last refreshed in Oct 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.
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