IV
Index Ventures
Venture Capital · Founded 1996 · London, United Kingdom
Index Ventures is a venture capital firm investing from seed through growth. It was founded in 1996 by David Rimer, Neil Rimer and Giuseppe Zocco. David Rimer left the firm in 2013 and remains an adviser; Index now operates from London, New York and San Francisco and invests across Europe, Israel and the US.
Index invests through separate seed, venture and growth pools. Its portfolio is concentrated in enterprise software and fintech, with investments ranging from first checks to later-stage rounds and follow-ons.
News
Wordsmith AI extends Series B with $14M from Intact Private Capital and FT Ventures
Aug 5, 2026
News
Index Ventures raises $2B in fresh capital, lifting total to $3.5B across seed, venture and growth
Jul 31, 2026
News
Simile raises $200M Series B at $2B valuation to survey AI 'twins' of consumers
Jul 30, 2026
Index Ventures’ biggest current holdings.
An estimate of Index Ventures’ largest live positions — disclosed shareholding × Dealroom’s latest valuation — across 55 companies where Index Ventures is a named shareholder, worth about $21.2B in estimated equity value.
Showing the 12 largest of 55 disclosed direct holdings.
6 companies hidden on this public profile. Estimated value = Index Ventures’ disclosed ownership % × Dealroom’s latest company valuation; direct named stakes only, exited positions excluded. Figures are indicative, not reported marks. Index Ventures also appears inside investor groups in Fireblocks, where a standalone stake isn’t disclosed. See the underlying cap tables on Dealroom →
Index Ventures’ biggest exits.
Portfolio companies that IPO’d or were acquired at $1B+, with the valuation recorded at exit and — for those still public — their value today. Exit events come from each company’s funding-round history; entry stage from Index Ventures’ transaction record.
Where Index Ventures’ portfolio is concentrated.
Distribution of portfolio companies by headquarters country, sector, entry stage and current growth stage. Across all 677 portfolio companies. "Stage entered" is the first priced round the investor joined, derived from the investor’s transaction history.
The portfolio is concentrated in the US and UK. Enterprise software is the largest sector, followed by fintech. Index has invested across seed, Series A and later-stage rounds.
-
USA378
-
UK132
-
Germany31
-
France29
-
Israel11
-
Netherlands11
-
Switzerland10
-
Canada7
-
Finland7
-
Sweden7
-
Australia6
-
China6
-
Enterprise Software205
-
Fintech112
-
Marketing61
-
Media61
-
Health51
-
Security48
-
Gaming33
-
Telecom31
-
Fashion28
-
Education24
-
Transportation23
-
Food21
-
Series A261
-
Seed242
-
Series B+169
-
Breakout Stage290
-
Late Growth227
-
Early Growth157
-
Mature3
Inside Index Ventures’ portfolio.
The 60 highest-funded portfolio companies, of 677 tracked.
Dealroom records Index entering Robinhood, Wiz and Figma at seed; Datadog and Adyen at Series A; and Arista Networks, Roblox, Scale AI and Slack at Series B or later.
Re
Ro
Ro
Wi
Sc
Pu
Fi
Sl
Co
Mi
Au
Co
Fi
De
Se
Pl
Al
Bi
In
Ph
Cl
Fi
Di
Mi
Ro
Pe
Co
Kr
Fa
Te
Te
Co
Dr
Co
Go
Mo
Bl
Re
Ap
Go
Mu
De
Oz
Dr
So
Me
Ou
Pe
An
St
De
Wi
Sq
Sa
Fu
Be
Pa
Ko
It
ClWhere Index Ventures’ portfolio founders come from.
200 founders across the 100 highest-funded portfolio companies — by current location, university attended, and the companies they worked at before founding. Sourced from the founder records the API links to each portfolio company.
-
United States99
-
United Kingdom16
-
France14
-
Germany11
-
Israel11
-
Canada7
-
Netherlands6
-
Türkiye5
-
Australia4
-
Belgium3
-
Stanford University15
-
University of California, Berkeley12
-
Massachusetts Institute of Technology7
-
Carnegie Mellon University5
-
Technion Israel Institute of Technology4
-
Tel Aviv University4
-
Brown University3
-
École Polytechnique - IP Paris3
-
INSEAD Business School3
-
London School of Economics and Political Science3
-
Alphabet | Google17
-
Microsoft14
-
LinkedIn7
-
Oracle5
-
Stanford University5
-
Sunopsis5
-
Amazon4
-
Deloitte4
-
McKinsey & Company4
-
Meta4
Index Ventures’ funds, vintage by vintage.
New capital announced per fundraise, split by fund type, with the flagship investments attributed to each vintage.
- 2012 — $442m (€350m) — $442m Robinhood, Figma
- 2016 — $550m — $550m Roblox, Revolut, Discord, Plaid
- 2018 — $650m $1bn $1.65bn Scale AI, Fireblocks, Remote, Tines
- 2020 — $800m $1.2bn $2bn Wiz, Covariant, Motorway, Rohlik
- 2021 $200m $900m $2bn $3.1bn Mistral AI, Temporal, Fireworks AI, ClickHouse
- 2024 — $800m $1.5bn $2.3bn Physical Intelligence, Chai Discovery, Decagon, Ineffable Intelligence
- 2026 $400m $900m $700m top-up $2bn Simile, Enigma
- Total $600m $5.04bn $6.4bn ≈$12bn
Index Ventures raises $2bn in new capital — the full story →
Company-to-vintage assignments are estimates based on Index’s first recorded investment. Public disclosures do not consistently identify the legal fund behind each investment. The 2026 growth allocation is a $700m top-up to the existing $1.5bn 2024 growth fund; the 2012 venture fund was raised as €350m.
Similar investors.
Peers the API surfaces as most similar by portfolio shape, with Dealroom investor rank and portfolio scale.
Key people at Index Ventures.
