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 orformulas 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:
- 619
- Last investment:
- Lead investor:
- 48%
- 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 | |
|---|---|---|---|
Round size
- Series A
- $4M–$44M
- Series B
- $7.4M–$100M
- Series C
- $20M–$200M
Investment Focus
Industry
- Software 85 (14%)
- FinTech 37 (6%)
- Artificial Intelligence 33 (5%)
- Financial Services 32 (5%)
- Information Technology 31 (5%)
Stage
- Series B 129 (21%)
- Series A 126 (20%)
- Series C 72 (12%)
- Seed 68 (11%)
- Series D 41 (7%)
Country
- United States 244 (39%)
- United Kingdom 10 (2%)
- Germany 8 (1%)
- Canada 5 (1%)
- Israel 5 (1%)
Team
| Name | Title | Investments | Links | |
|---|---|---|---|---|
Clay Fisher
General Partner
|
General Partner | Total investments: 6 | Find email | |
Alexander Finkelstein
Co-founder & General Partner
|
Co-founder & General Partner | Total investments: 78 | 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: 4 | 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 |
|---|---|---|---|
Cambridge Aerospace
|
Cambridge Aerospace is a defence tech startup that provides defense engineering and manufacturing services. | $300M / Series C / Aug 10, 2026 | |
Lumilens
|
Lumilens creates photonics products designed for high-performance computing. | $700M / Series C / Aug 06, 2026 | |
Convex
|
Convex is a serverless infrastructure company. It was founded in 2020 by James Cowling, Jamie Turner, and Sujay Jayakar. | $57M / Series B / Aug 04, 2026 | |
K2 Space
|
K2 Space builds and supplies high-power satellite platforms designed for diverse orbital missions using vertically integrated hardware and manufacturing processes. The company focuses on developing large “Mega Class” satellites with enhanced power, payload capacity, and propulsion systems to support communications, sensing, and other spaceapplications. K2 Space offers engineered solutions for factory assembly, launch stacking, and orbital operations that aim to serve Low Earth Orbit, Medium Earth Orbit, and Geostationary missions. Its offerings include resilient spacecraft designs tailored to withstand harsh space environments and support scalable constellation deployments. | $500M / Series D / Jul 30, 2026 | |
Oratomic
|
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. | $300M / Series A / Jul 07, 2026 | |
Higharc
|
Higharc is the all-in-one web platform that simplifies, connects, and improves each step of design, construction, and sales for home building. It enables builders to design, sell in 3D, and get permit-ready construction documents — all in a single platform. Higharc is on a mission to help builders create better homes and communities, moreaffordably. | $95M / Series C / Jun 30, 2026 | |
Cadence Solutions
|
Cadence is a healthcare technology company that provides remote patient care and chronic disease management services for health systems and providers. It operates a clinical AI-driven platform that monitors patients at home and supports ongoing treatment for conditions such as hypertension, diabetes, and heart failure through connected devices,data tracking, and clinician-led care workflows. The company’s model centers on continuous monitoring of patient vitals like blood pressure, weight, symptoms, and medication adherence, with data flowing into a clinical intelligence system that flags risks and supports early intervention. | $100M / Series C / Jun 23, 2026 | |
Baseten
|
Baseten provides a platform for training, deploying, and serving artificial intelligence models in production environments. It supports open-source, fine-tuned, and custom models, converting them into API endpoints with capabilities such as autoscaling, observability, and optimized model serving. The platform manages infrastructure componentsincluding containerization, GPU scheduling across multiple cloud providers, and performance optimizations to support large-scale inference workloads. Baseten also offers preconfigured model APIs and deployment options that can run either on its managed cloud service or within a customer's own environment. Its tools are designed to help developers build, manage, and scale AI applications while maintaining flexibility in how models are hosted and executed. | $1.5B / Series F / Jun 22, 2026 | |
xdof
|
XDOF develops core robotics technology and data collection for the world's largest research labs. | $70M / Venture - Series Unknown / Jun 17, 2026 | |
Vinyl Equity
|
Vinyl Equity offers a cloud-native, API-first transfer agency platform for public companies. The platform supports services such as share registry management, dividend plan administration, proxy voting, and compliance. Vinyl Equity utilizes digital tools, including immutable ledgers, electronic KYC, and e-signatures, to streamline processes likedelegending restricted securities and managing shareholder records. Additional features include automated equity plan integrations, real-time reporting, and proxy lifecycle management. | $20M / Series A / Jun 09, 2026 | |
| See all 619 investments → | |||
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FAQ
What does Spark Capital invest in?
Spark Capital invests primarily in Software, FinTech and Artificial Intelligence startups, most often at Series B and Series A stage. Most of the 619 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.
What is Spark Capital's check size?
Spark Capital typically joins rounds of $4M–$44M at Series A, $7.4M–$100M at Series B and $20M–$200M at Series C. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds Spark Capital participates 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 Aug 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.
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