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InterWest Partners
Venture capital firm · Founded 1979 · Active in 2026
InterWest Partners is a venture capital firm based in USA, founded in 1979. The page below shows 20 Power Law outcomes from InterWest Partners's portfolio — 15 unicorns ($1B+ valuation) and 3 additional thoroughbreds (companies that crossed $100M+ in revenue without yet reaching $1B+ valuation).
Outcomes are concentrated in Biotech & Life Sciences · Marketing · Other B2B Software; top portfolio geographies are USA · Canada · Israel. InterWest ranks #395 in Global in the 2026 Dealroom Power Law Investor Ranking by cross-stage outcomes.
Sequoia’s biggest exits.
Sequoia 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 20 InterWest 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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USA17
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Canada1
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Israel1
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Australia1
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Biotech & Life Sciences11
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Marketing3
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Other B2B Software2
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Transportation1
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AI1
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Other1
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eCommerce & Marketplaces1
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Series B+9
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Series A9
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Seed1
InterWest's 20 Power Law outcomes.
How does InterWest stack up?
InterWest 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 Sequoia's portfolio founders come from — and where they studied.
21 founders across the 20 Power Law outcomes — split by country of origin, university attended, and the company they worked at before founding. University of Rochester and Alphabet | Google are the deepest single pipelines.
Key people at InterWest.
Market sentiment
What the market is saying about InterWest Partners
An AI-synthesized read of the highest-engagement posts about InterWest 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 InterWest Partners
Recent press, funding announcements, and portfolio moves mentioning InterWest — pulled live from Dealroom's news feed.
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