# Series B investors based in London (2026 list)

> 120 series B investors based in London, 96% active in the last 12 months. Led by Index Ventures, Antler, Crowdcube. Ranked by what they funded.

Source: https://millionrounds.com/lists/series-b-investors-based-in-london (Millionrounds; every figure on the page links to its filing or article)

[Investor Lists](https://millionrounds.com/lists)

# Series B investors based in London

Updated 7 November 2026

Firms with an address in London that we have watched take part in a Series B round in the last two years.

[See all 120 *→*](https://millionrounds.com/login?join=1&next=%2Fapp%2Finvestor-lists%2Fseries-b-investors-based-in-london)The top 25

**120** investors on the list *+1* this week

**1,673** cheques in 12 months *-2%* against the market

**$15M** median round they joined *+81%* against the market median

**96%** wrote a cheque in 12 months

**72%** have led a round

## The Top 25

Ordered by cheques observed, never by anything anyone paid for

Deploying now (25)

- 1 [Index Ventures](https://millionrounds.com/fund/index-ventures) *Deploying now* VC firm · United Kingdom **1,027** **$31M** median round **Nov 2026** last seen
- 2 [Antler](https://millionrounds.com/fund/antler) *Deploying now* VC firm · United Kingdom **729** **$1M** median round **Nov 2026** last seen
- 3 [Crowdcube](https://millionrounds.com/fund/crowdcube) *Deploying now* VC firm · United Kingdom **715** **$615K** median round **Sept 2026** last seen
- 4 [Seedcamp](https://millionrounds.com/fund/seedcamp) *Deploying now* VC firm · United Kingdom **519** **$5M** median round **Nov 2026** last seen
- 5 [GSR](https://millionrounds.com/fund/gsr) *Deploying now* VC firm · United Kingdom **453** **$6M** median round **Jun 2026** last seen
- 6 [SFC Capital](https://millionrounds.com/fund/sfc-capital) *Deploying now* Angel network · United Kingdom **379** **$431K** median round **Nov 2026** last seen
- 7 [Balderton Capital](https://millionrounds.com/fund/balderton-capital) *Deploying now* VC firm · United Kingdom **368** **$30M** median round **Oct 2026** last seen
- 8 [Octopus Ventures](https://millionrounds.com/fund/octopus-ventures) *Deploying now* VC firm · United Kingdom **355** **$10M** median round **Oct 2026** last seen
- 9 [Entrepreneur First](https://millionrounds.com/fund/entrepreneurs-first) *Deploying now* Accelerator · United Kingdom **332** **$3.6M** median round **Oct 2026** last seen
- 10 [LocalGlobe](https://millionrounds.com/fund/localglobe) *Deploying now* VC firm · United Kingdom **269** **$12M** median round **Oct 2026** last seen
- 11 [Northzone](https://millionrounds.com/fund/northzone) *Deploying now* VC firm · United Kingdom **240** **$22M** median round **Oct 2026** last seen
- 12 [Eight Roads Ventures](https://millionrounds.com/fund/eight-roads) *Deploying now* VC firm · Bermuda **219** **$25M** median round **Oct 2026** last seen
- 13 [Atomico](https://millionrounds.com/fund/atomico) *Deploying now* VC firm · United Kingdom **215** **$30M** median round **Oct 2026** last seen
- 14 [Parkwalk](https://millionrounds.com/fund/parkwalk) *Deploying now* VC firm · United Kingdom **209** **$6.9M** median round **Oct 2026** last seen
- 15 [Notion Capital](https://millionrounds.com/fund/notion-capital) *Deploying now* VC firm · United Kingdom **202** **$9.2M** median round **Oct 2026** last seen
- 16 [Ascension](https://millionrounds.com/fund/ascension) *Deploying now* VC firm · United Kingdom **190** **$3.4M** median round **Oct 2026** last seen
- 17 [SoftBank Vision Fund](https://millionrounds.com/fund/softbank-investment-advisers) *Deploying now* VC firm · United Kingdom **179** **$130M** median round **Sept 2026** last seen
- 18 [Janus Henderson Investors](https://millionrounds.com/fund/janus-henderson-investors) *Deploying now* Private equity · United Kingdom **178** **$115M** median round **Oct 2026** last seen
- 19 [IP Group](https://millionrounds.com/fund/ip-group) *Deploying now* VC firm · United Kingdom **174** **$9.1M** median round **Oct 2026** last seen
- 20 [IQ Capital](https://millionrounds.com/fund/iq-capital) *Deploying now* VC firm · United Kingdom **165** **$17M** median round **Oct 2026** last seen
- 21 [Amadeus Capital Partners](https://millionrounds.com/fund/amadeus-capital-partners) *Deploying now* VC firm · United Kingdom **158** **$12M** median round **Sept 2026** last seen
- 22 [DST Global](https://millionrounds.com/fund/dst-global) *Deploying now* Private equity · United Kingdom **158** **$81M** median round **Oct 2026** last seen
- 23 [MMC Ventures](https://millionrounds.com/fund/mmc-ventures) *Deploying now* VC firm · United Kingdom **154** **$9.3M** median round **Nov 2026** last seen
- 24 [EQT Ventures](https://millionrounds.com/fund/eqt-ventures) *Deploying now* VC firm · Sweden **152** **$20M** median round **Oct 2026** last seen
- 25 [Foresight Group](https://millionrounds.com/fund/foresight-group) *Deploying now* Private equity · United Kingdom **132** **$4M** median round **Oct 2026** last seen

**95 more on this list**

All 120 are in the app, with filters for stage, sector and market. A free account shows 10 per search, Pro up to 1,000.

[See the whole list *→*](https://millionrounds.com/login?join=1&next=%2Fapp%2Finvestor-lists%2Fseries-b-investors-based-in-london)

## The Newest Cheques

Rounds this list's investors joined most recently

- **5** Nov **[T-Therapeutics](https://millionrounds.com/company/t-therapeutics)** Series B · $133M *Led by* [Advent Life Sciences Llp](https://millionrounds.com/fund/advent-life-sciences)
- **5** Nov **[Potential Sciences](https://millionrounds.com/company/potential-sciences)** Seed *With* [Portfolio Ventures](https://millionrounds.com/fund/will-martin)
- **5** Nov **[Granit](https://millionrounds.com/company/granit)** Seed · $6M *Led by* [Seedcamp](https://millionrounds.com/fund/seedcamp)
- **5** Nov **[Nayara](https://millionrounds.com/company/nayara)** Pre-seed · $522K *Led by* [SFC Capital](https://millionrounds.com/fund/sfc-capital)
- **5** Nov **[Mindmax](https://millionrounds.com/company/mindmax)** Seed · $3.3M *Led by* [Concept Ventures](https://millionrounds.com/fund/concept-ventures)
- **5** Nov **[Pliant](https://millionrounds.com/company/pliant)** Series C · $80M *With* [Illuminate Financial Management](https://millionrounds.com/fund/illuminate-financial)

## Stages This Year

1,378 rounds

- Seed **21%**
- Series A **16%**
- Venture **14%**
- Pre-seed **11%**
- Series B **10%**
- Other **29%**

## What They Backed

Sectors, last 12 months

- AI **532**
- Biotech **114**
- Fintech **108**
- Healthcare **77**
- Big Data & Analytics **57**
- Financial Services **57**

## Cheques by Quarter

Led Joined

469 Q1 25

460 Q2 25

427 Q3 25

503 Q4 25

507 Q1 26

448 Q2 26

407 Q3 26

110 Q4 26

The last bar is the quarter still running.

## Lists Like This

- [AI investors based in San Francisco 353](https://millionrounds.com/lists/ai-investors-based-in-san-francisco)
- [AI investors based in New York 345](https://millionrounds.com/lists/ai-investors-based-in-new-york)
- [Seed investors based in San Francisco 273](https://millionrounds.com/lists/seed-investors-based-in-san-francisco)
- [Series A investors based in San Francisco 266](https://millionrounds.com/lists/series-a-investors-based-in-san-francisco)
- [Series A investors based in New York 255](https://millionrounds.com/lists/series-a-investors-based-in-new-york)
- [Seed investors based in New York 227](https://millionrounds.com/lists/seed-investors-based-in-new-york)
- [AI investors based in London 223](https://millionrounds.com/lists/ai-investors-based-in-london)
- [Series B investors based in New York 198](https://millionrounds.com/lists/series-b-investors-based-in-new-york)
- [Fintech investors based in New York 197](https://millionrounds.com/lists/fintech-investors-based-in-new-york)

[All investor lists *→*](https://millionrounds.com/lists)

## Quick answers about series B investors based in London

### Who are the most active series B investors based in London?

By cheques observed, the most active are Index Ventures, Antler, Crowdcube, Seedcamp and GSR.

### How many series B investors based in London are there?

120 are on record. 96% made an investment in the last 12 months and 72% have led a round.

### Which stages do series B investors based in London back?

Of the rounds with a named stage in the last 12 months, mostly Seed (27%) and Series A (21%).

### How big are the rounds series B investors based in London join?

The typical (median) round among the leading investors here is $10M.

### Which sectors do series B investors based in London back most?

In the last 12 months, mostly AI, Biotech and Fintech.

### Which series B investors based in London lead the most rounds?

Index Ventures (62 led), Balderton Capital (22 led) and EQT Ventures (20 led).

### What have series B investors based in London invested in recently?

Recent rounds include T-Therapeutics (Series B, Nov 2026, with Advent Life Sciences Llp), Potential Sciences (Seed, Nov 2026, with Portfolio Ventures) and Granit (Seed, Nov 2026, with Seedcamp).

### How is this list of series B investors based in London ranked?

By cheques observed, from the rounds and filings we watched, and never by anything anyone paid for. It is rebuilt every night.

Built from the rounds we watched, refreshed every night. [How we count](https://millionrounds.com/methodology) · [Report a correction](https://millionrounds.com/corrections)