Spark Capital
Venture capital firm; participated in Cambridge Aerospace's funding rounds through 2025.
Spark Capital Partners, LLC is an American multi-stage venture capital firm founded in 2005 by Todd Dagres, Santo Politi, Paul Conway, and Bijan Sabet, headquartered in Boston with additional offices in San Francisco and New York. It invests across consumer internet, enterprise software, gaming, infrastructure, hardware/semiconductors, crypto, fintech, and AI, and has backed Twitter, Slack, Oculus, Discord, Affirm, Plaid, and Anthropic. It led Cambridge Aerospace's ~$100M Series A (October 2025).
Overview
- Firm
- Spark Capital
- Headquarters
- Boston, MA, USA
- Founded
- 2005
- AUM
- ~$15 billion
- Stages
- Seed, Series A, Series B, Series C, Growth
- Thesis
- Product-first, conviction-driven investor that backs founders "we admire" rather than following a rigid sector formula, often taking non-consensus positions. No defense-specific thesis publicly stated; the Cambridge Aerospace deal reads as an extension of its deep-tech/hardware interest.
Portfolio companies3
- CompanyCambridge AerospaceUK counter-drone startup building the Skyhammer interceptor family (range 30km+, top speed 700km/h) for drones and low-speed cruise missiles; UK Ministry of Defence agreed in April 2026 to buy hundreds of Skyhammer systems.
- CompanyStoke SpaceFully reusable two-stage orbital rocket company.
- CompanyFlock SafetyLicense-plate-reading camera and law-enforcement surveillance technology company.
Partners0
No linked records yet.
Frequently asked
- What is Spark Capital?
- Product-first, conviction-driven investor that backs founders "we admire" rather than following a rigid sector formula, often taking non-consensus positions. No defense-specific thesis publicly stated; the Cambridge Aerospace deal reads as an extension of its deep-tech/hardware interest.
- How much does Spark Capital manage?
- Spark Capital manages ~$15 billion in assets, and was founded in 2005.
- What stages does Spark Capital invest at?
- Spark Capital invests at Seed, Series A, Series B, Series C, Growth.
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Sources & citations3
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