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Investor profile

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 21 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; top portfolio geographies are USA · Australia · China. InterWest ranks #395 in Global in the 2026 Dealroom Power Law Investor Ranking by cross-stage outcomes.

21 Power Law outcomes Power Law Ranking #395 · Global · 21 Power Law outcomes · Active 2026
Unicorns ↑ 15% 5y
15
Decacorns → 0% 5y
2
Thoroughbreds ↓ 8% 5y
14
Featured in #395Power Law Investor Ranking · Global · 2026Top 3%
01 · Exits

InterWest’s biggest exits.

InterWest 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.

Ciena
IPO · 1997
Entered Series ANow $82.8B
Doximity
$10.0B IPO · 2021
Entered Series ANow $2.9B
Cidara Therapeutics
IPO · 2015
Entered Series ANow $9.2B
Glaukos
IPO · 2015
Entered Series B+Now $6.9B
Braze
$5.9B IPO · 2021
Entered Series B+Now $2.4B
TESARO
IPO · 2012
Now $5.1B
Marketo
IPO · 2013
Entered Series ANow $4.8B
Xenon Pharmaceuticals
IPO · 2014
Entered Series ANow $4.2B
C3.ai
$4.0B IPO · 2020
Entered Series B+Now $733M
The RealReal
$1.7B IPO · 2019
Entered Series B+Now $1.4B
Dynavax Technologies
IPO · 2004
Entered Series B+Now $1.4B
KalVista Pharmaceuticals
IPO · 2016
Entered Series B+Now $1.3B
03 · Portfolio analysis

The 21 InterWest Power Law outcomes ($100M+ revenue or $1B+ valuation).

Snapshot of where the outcomes are concentrated by country, sector, and stage entered.

By countryCount
  1. USA17
  2. Australia1
  3. China1
  4. Israel1
  5. Canada1
By sectorCount
  1. Biotech & Life Sciences11
  2. Marketing3
  3. Other2
  4. Other B2B Software2
  5. AI1
  6. Transportation1
  7. eCommerce & Marketplaces1
By stage enteredCount
  1. Series B+9
  2. Series A9
  3. Seed1
04 · Portfolio market map

InterWest's 21 Power Law outcomes.

Stage entered
Outcome tier
Region
Group by
21 of 21 Power Law outcomes
05 · Power Law comparison

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.

Compare against

Share of new unicorns per year

% of global unicorns minted that year, year by year · hover the chart to see which unicorns
Performance window All-time → 2026

Stage focus

Companies by selected outcome stage

Sector focus

Companies per investor across the 10 highest-volume sectors

Beyond 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.
Sort by
Entry stage
Source: Dealroom Power Law dataset. Investors shown are the 2026 Power Law top 35 by combined entry-to-outcome score, drawn from the overview and locations_data sheets. Funnel-matrix axes rescale per-axis using the maximum among the currently selected investors, so the polygons always fill the chart for shape comparison.
06 · Portfolio founders

Where InterWest's portfolio founders come from — and where they studied.

19 founders across the 21 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.

LocationCount
United States11
Australia3
Canada1
View on app →
UniversityCount
University of Rochester2
Allegheny College1
University of Illinois Urbana Champaign1
St. Cloud State University1
Harvard University1
University Of Minnesota Carlson School of Management1
Massachusetts Institute of Technology1
Case Western Reserve University1
Stanford University1
View on app →
Origin companyCount
Alphabet | Google4
Microsoft1
Abraxis BioScience1
NetApp1
View on app →
Origin = country a founder is born in or grew up in (founders may have multiple origins; counts include all entries). University = highest-listed degree. Origin company = a previous employer where the founder was tagged before starting their current company.
07 · Key people

Key people at InterWest.

Gil Kliman
Gil Kliman
Managing Partner
 Khaled Nasr
Khaled Nasr
General Partner + COO
Sources: Dealroom desktop research, official firm profiles and public investor lists.

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.

See all news

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