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:
- 685
- 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–$18M
- Series A
- $4M–$44M
- Series B
- $7.3M–$100M
Investment Focus
Industry
- Software 89 (13%)
- Artificial Intelligence 64 (9%)
- FinTech 48 (7%)
- Financial Services 40 (6%)
- Information Technology 33 (5%)
Stage
- Series A 159 (23%)
- Series B 146 (21%)
- Seed 88 (13%)
- Series C 85 (12%)
- Series D 50 (7%)
Country
- United States 296 (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 | ||
| Personal job search agent with powerful AI matching, and access to hidden jobs you can't find on the big job boards. | $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 | ||
| CivilGrid is a construction intelligence platform combining layers of utility, environmental, and geotechnical project site data.We aggregate and curate datasets that developers, engineers, and construction companies need to make critical planning and project implementation decisions. By partnering with local utilities and agencies, we gainaccess to the most current GIS datasets. These datasets help you accelerate project due diligence, reduce utility research and project engineering cost, and improve risk identification and construction planning. | $26M / Series A / Aug 27, 2026 | ||
| Generalist AI is a robotics firm formed by a senior researcher who left Google to investigate robotics and artificial intelligence (AI) at Google Deepmind. | $200M / Series B / Aug 24, 2026 | ||
| Quaestor is an automated data platform that enables financial transparency between startups and investors. | $21.3M / Series B / Aug 24, 2026 | ||
| See all 685 investments → | |||
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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 685 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 $1.1M–$18M at Seed, $4M–$44M at Series A and $7.3M–$100M at Series B. 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 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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