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Spark Capital
Venture capital firm · Founded 2005 · Active in 2026
Spark Capital is a venture capital firm based in Boston, USA, founded in 2005. The page below shows 91 Power Law outcomes from Spark Capital's portfolio — 81 unicorns ($1B+ valuation) and 1 additional thoroughbreds (companies that crossed $100M+ in revenue without yet reaching $1B+ valuation).
Outcomes are concentrated in Fintech · Other · AI; top portfolio geographies are USA · UK · Australia. Spark Capital ranks #51 in Global in the 2026 Dealroom Power Law Investor Ranking by cross-stage outcomes.
Spark Capital’s biggest exits.
Spark Capital portfolio companies worth $1B+ that have IPO’d or been acquired. Each shows its valuation at exit and, in grey, its current value if still public.
The 91 Spark Capital Power Law outcomes ($100M+ revenue or $1B+ valuation).
Snapshot of where the outcomes are concentrated by country, sector, and stage entered.
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USA76
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UK4
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Australia2
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Canada2
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Spain1
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France1
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British Virgin Islands1
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Norway1
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Japan1
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Germany1
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Decentralised1
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Fintech25
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Other11
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AI10
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Health Tech & Medtech10
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Other B2B Software8
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Cybersecurity5
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Edtech4
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eCommerce & Marketplaces4
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Marketing4
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Transportation3
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Biotech & Life Sciences2
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Robotics2
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Series B+55
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Series A23
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Seed5
Spark Capital’s biggest current holdings.
An estimate of Spark Capital’s largest live positions — disclosed shareholding × Dealroom’s latest valuation — across 28 companies where Spark Capital is a named shareholder, worth about $9.2B in estimated equity value.
Showing the 12 largest of 28 disclosed direct holdings.
6 companies hidden on this public profile. Estimated value = Spark Capital’s disclosed ownership % × Dealroom’s latest company valuation; direct named stakes only, exited positions excluded. Figures are indicative, not reported marks. Spark Capital also appears inside investor groups in Anthropic, Benchling, ClipboardHealth, Flock Safety, Kalshi, Mercury, Outreach, where a standalone stake isn’t disclosed. See the underlying cap tables on Dealroom →
Spark Capital's 91 Power Law outcomes.
How does Spark Capital stack up?
Spark Capital in orange, your selection in blue and other colours. Pick from the global roster of 609 peer investors — scope by startup location or hit "Find similar shapes" to auto-pick the three closest. The funnel matrix mirrors the spider chart on the ranking page; the line chart shows each firm's share of unicorns minted in the selected startup location — peaks reveal vintage years.
Share of new unicorns per year
% of global unicorns minted that year, year by year · hover the chart to see which unicornsStage focus
Companies by selected outcome stageSector focus
Companies per investor across the 10 highest-volume sectorsBeyond Unicorns — how the portfolio compounds
% of each investor's unicorn portfolio that later crossed $10B, $25B and $50B. Pick a sort tier and entry stage.Where Spark Capital's portfolio founders come from — and where they studied.
262 founders across the 91 Power Law outcomes — split by country of origin, university attended, and the company they worked at before founding. Massachusetts Institute of Technology and Alphabet | Google are the deepest single pipelines.
Key people at Spark Capital.
Market sentiment
What the market is saying about Spark Capital
An AI-synthesized read of the highest-engagement posts about Spark Capital on X over the past 7 days. We rank by likes & retweets, ignore corporate channels, and surface the themes that broke out from real people.
Reading the room on X — pulling top posts and synthesizing themes…
Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour
In the news
Latest news about Spark Capital
Recent press, funding announcements, and portfolio moves mentioning Spark Capital — pulled live from Dealroom's news feed.
Want the full picture on Spark Capital?
The Dealroom platform tracks every round, every co-investor, and every portfolio company in real time — across 25,000+ investors and 3M+ companies globally.