---
title: "339 Series B Investors (Nov 2026): Top 10 by Fund Activity"
last_updated: "2026-11-09"
rows: "339"
free_rows: "25"
source: "SEC Form D filings and our own research"
canonical: "https://theinvestordatabase.com/lists/series-b-investors/"
---

# 339 Series B investors

We list 339 Series B investors as of November 2026: 164 have an SEC filing on file and 175 were checked on the firm's own website or an official register, and the list was last checked on 9 Nov 2026. The states with the most are California (60), New York (29) and Florida (11).

- 339 investors
- 168 with a fund filing or dated deal in the last 12 months
- $102M median fund size on file (SEC Form D, 114 firms)
- 1,706 named decision-makers on file

## First 25 of 339 Series B investors

| Investor | Type | HQ | Stages (our research) | Focus (our research) | Latest fund or deal | Fund size | Checked | Profile |
|---|---|---|---|---|---|---|---|---|
| Innovation Industries | VC firm | Amsterdam, Netherlands | Series A, Series B, Growth | Deep Tech, AI, Healthtech, Food and Beverage | New fund, Oct 2026 | €1.0B (own site) | 2026-11-07 | https://theinvestordatabase.com/investors/innovation-industries-capital-partners-b-v/ |
| BGF | VC firm | United Kingdom | Seed, Series A, Series B, Growth | Healthtech, Edtech, Developer Tools, Mobility | Portfolio news, Oct 2026 | £3.0B (own site) | 2026-11-04 | https://theinvestordatabase.com/investors/bgf/ |
| Cathay Innovation | VC firm | Paris, France | Seed, Series A, Series B, Growth, Late stage | AI, Robotics, Fintech, Healthtech | Portfolio news, Aug 2026 | €2.5B (own site) | 2026-11-07 | https://theinvestordatabase.com/investors/cathay-innovation/ |
| Atempo Growth | Venture debt | London, United Kingdom | Series A, Series B, Growth, Late stage | SaaS, Fintech, B2B | Portfolio news, Aug 2026 | €800M (own site) | 2026-11-04 | https://theinvestordatabase.com/investors/atempo-growth/ |
| Claret Capital Partners | Venture debt | London, United Kingdom | Series B, Growth, Late stage | Healthtech, Biotech, Climate Tech, SaaS | New deal, Oct 2026 | €575M (own site) | 2026-11-04 | https://theinvestordatabase.com/investors/claret-capital-partners/ |
| Balderton Capital | VC firm | London, United Kingdom | Seed, Series A, Series B, Growth | Healthtech, AI, Fintech, Developer Tools | Portfolio news, Oct 2026 | $5.7B (own site) | 2026-11-04 | https://theinvestordatabase.com/investors/balderton-capital/ |
| DTCP | VC firm | Hamburg, Germany | Series A, Series B, Growth | SaaS, AI, Cybersecurity, Defense Tech | New fund, Sep 2026 | €3.5B (own site) | 2026-11-07 | https://theinvestordatabase.com/investors/digital-transformation-capital-partners-s-a-r-l/ |
| Energy Impact Partners | VC firm | United States (London office) | Seed, Series A, Series B, Growth | Energy, Climate Tech, AI, Cybersecurity | Portfolio news, Nov 2026 | $4.5B (own site) | 2026-11-05 | https://theinvestordatabase.com/investors/energy-impact-partners/ |
| Evolution | VC firm | New York, NY | Seed, Series A, Series B, Growth | Cybersecurity, AI, Developer Tools, SaaS | New fund, Sep 2026 | $1.2B (SEC Form D, 2026) | 2026-11-04 | https://theinvestordatabase.com/investors/evolution/ |
| HBM Partners | Fund manager | Zug, Switzerland | Series A, Series B, Growth, Late stage | Healthtech, Biotech, Medtech | Portfolio news, Oct 2026 | $2.8B (own site) | 2026-11-07 | https://theinvestordatabase.com/investors/hbm-partners-ag/ |
| Kleiner Perkins | VC firm | Menlo Park, CA | Pre-seed, Seed, Series A, Series B, Growth | AI, Fintech, Proptech, Mobility | New fund, Aug 2026 | $995M (SEC Form D, 2026) | 2026-11-04 | https://theinvestordatabase.com/investors/kleiner-perkins/ |
| Menlo Ventures | VC firm | Menlo Park, CA | Pre-seed, Seed, Series A, Series B, Growth | AI, Media, Robotics, Consumer | New fund, Sep 2026 | $800M (SEC Form D, 2025) | 2026-11-04 | https://theinvestordatabase.com/investors/menlo-ventures/ |
| Andera Partners | Fund manager | Paris, France | Seed, Series A, Series B, Growth | Biotech, Medtech, Healthtech, Generalist | Portfolio news, Sep 2026 | €6.0B (own site) | 2026-11-07 | https://theinvestordatabase.com/investors/andera-partners/ |
| OneTarget | VC firm | Berlin, Germany | Seed, Series A, Series B, Growth | AI, Fintech, Healthtech, Consumer | Portfolio news, Sep 2026 | $3.0B (own site) | 2026-11-04 | https://theinvestordatabase.com/investors/onetarget/ |
| eCAPITAL | VC firm | Münster, Germany | Seed, Series A, Series B | Deep Tech, Climate Tech, AI, Cybersecurity | Portfolio news, Sep 2026 | €400M (own site) | 2026-11-07 | https://theinvestordatabase.com/investors/ecapital-entrepreneurial-partners-ag/ |
| Geodesic | VC firm | Foster City, CA | Series B, Any stage | AI, Developer Tools, Fintech, B2B | New deal, Oct 2026 | $500M (SEC Form D, 2021) | 2026-11-05 | https://theinvestordatabase.com/investors/geodesic/ |
| Parkwalk Advisors | SEIS/EIS fund | London, United Kingdom | Seed, Series A, Series B, Growth | Healthtech, AI, Industrial Tech, Energy | New fund, Sep 2026 | £500M (own site) | 2026-11-04 | https://theinvestordatabase.com/investors/parkwalk/ |
| Tribe Capital | VC firm | San Mateo, CA | Seed, Series A, Series B, Growth | AI, Cybersecurity, Crypto and Web3, Generalist | New fund, Oct 2026 | $500M (SEC Form D, 2021) | 2026-11-04 | https://theinvestordatabase.com/investors/tribe-capital/ |
| Greycroft | VC firm | New York, NY | Series A, Series B, Growth | AI, Industrial Tech, Defense Tech, Healthtech | New deal, Oct 2026 | $600M (SEC Form D, 2022) | 2026-11-04 | https://theinvestordatabase.com/investors/greycroft/ |
| Endeit Capital | VC firm | Amsterdam, Netherlands | Series A, Series B, Growth | Fintech, Climate Tech, AI, Cybersecurity | New deal, Oct 2026 | €430M (own site) | 2026-11-07 | https://theinvestordatabase.com/investors/endeit-capital-b-v/ |
| Madrona | VC firm | Seattle, WA | Pre-seed, Seed, Series A, Series B, Growth | AI, Biotech, Consumer, Deep Tech | New deal, Oct 2026 | $490M (SEC Form D, 2025) | 2026-11-05 | https://theinvestordatabase.com/investors/madrona/ |
| Acurio Ventures | VC firm | Spain | Pre-seed, Seed, Series A, Series B | Generalist, SaaS, Marketplace, Fintech | New fund, Oct 2026 | €450M (own site) | 2026-11-07 | https://theinvestordatabase.com/investors/acurio-ventures-partners-sgeic-s-a/ |
| True Beauty Ventures | VC firm | Palm Beach Gardens, FL | Seed, Series A, Series B | Consumer, Healthtech, CPG | New fund, Oct 2026 | $308M (SEC Form D, 2022) | 2026-11-04 | https://theinvestordatabase.com/investors/true-beauty-ventures/ |
| Axeleo Capital | VC firm | Paris, France | Pre-seed, Seed, Series A, Series B | SaaS, B2B, AI, Cybersecurity | Portfolio news, Oct 2026 | €300M (own site) | 2026-11-07 | https://theinvestordatabase.com/investors/axeleo-capital-sas/ |
| Capricorn Partners | VC firm | Leuven, Belgium | Seed, Series A, Series B, Growth | Healthtech, Deep Tech, Climate Tech, SaaS | Portfolio news, Oct 2026 | €300M (own site) | 2026-11-07 | https://theinvestordatabase.com/investors/capricorn-partners-nv/ |

You are seeing 25 of 339. The full list adds 314 more investors and 1,706 named decision-makers.

Get all 339 investors and 1,706 named contacts, $297, one-time: https://theinvestordatabase.com/buy/bundle
This page: https://theinvestordatabase.com/lists/series-b-investors/

## Method and limits
- Source: 164 of the 339 rows carry an SEC filing (Form D or Form ADV). All 339 have a website we checked. Filing date and fund size are SEC data where a filing exists. Stage, sector and check size are our research.
- Inclusion rule: Organizations that back startups. Individuals, buyout funds and firms we found to be inactive are left out. Stage: the firm states that it invests at Series B.
- Order: Activity score out of 100: recency of the latest fund filing or dated deal (50: full marks within 3 months, then stepping down at 6, 12 and 24 months), size of the fund on file on a log scale (35) and completeness of the public record (15). It is a measure of activity and fit, not of quality or returns.
- Fill rates: Of 339 rows: stage 339, sector 333, fund size 218, website 339. In the paid file: named decision-makers on 308 rows, firm email on 154, LinkedIn page on 224, check size on 89.

## Questions
### How many Series B investors are there?
We list 339 as of November 2026. 168 of the 339 have a fund filing or a dated deal in the last 12 months. By region: United States (165), United Kingdom (54) and Europe (117).

### What is the typical fund size of Series B investors?
The median fund size on file for this list is $102M, across the 114 firms with a size on an SEC Form D. The fund on file is each firm's main fund, which is not always its newest. The other 225 do not disclose a size there.

### Which sectors do Series B investors back most?
On this list: AI (204), SaaS and B2B software (196), healthtech and digital health (160) and fintech (127). Sector is our research and a firm can carry more than one.

### Which Series B investors raised a new fund in the last 12 months?
73 of the 339 have a fund filing dated in the last 12 months. The most recent on this list are 01A (Nov 2026), IVP: Venture capital for the Exceptional (Oct 2026) and True Beauty Ventures (Oct 2026).

### Where does the data on Series B investors come from and how often is it updated?
164 of the 339 rows have an SEC filing on file (Form D or Form ADV) and 175 were checked on the firm's own website or an official register. Filing date and fund size come from the filing. Stage, sector and check size are our research. Rows on this list were last checked on 9 Nov 2026 at the latest. The whole file is re-verified twice a year.

### Can I download the list of Series B investors as a spreadsheet?
Yes. The file holds all 339 rows in Excel and CSV, with 1,706 named decision-makers and 154 firm emails, for $297 one-time as part of Global Bundle. 25 rows are free on this page.