# Series B investors based in Chicago (2026 list)

> 38 series B investors based in Chicago, 97% active in the last 12 months. Led by Alumni Ventures, ARCH Venture Partners, Valor Equity Partners.

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

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

# Series B investors based in Chicago

Updated 7 November 2026

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

[See all 38 *→*](https://millionrounds.com/login?join=1&next=%2Fapp%2Finvestor-lists%2Fseries-b-investors-based-in-chicago)The top 25

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

**625** cheques in 12 months *-3%* against the market

**$26M** median round they joined *+220%* against the market median

**97%** wrote a cheque in 12 months

**68%** have led a round

## The Top 25

Ordered by cheques observed, never by anything anyone paid for

Deploying now (24)

- 1 [Alumni Ventures](https://millionrounds.com/fund/us-strategic-tech-fund-an-alumni-ventures-fund) *Deploying now* VC firm · United States **1,598** **$12M** median round **Nov 2026** last seen
- 2 [ARCH Venture Partners](https://millionrounds.com/fund/arch-venture-partners) *Deploying now* VC firm · United States **337** **$74M** median round **Oct 2026** last seen
- 3 [Valor Equity Partners](https://millionrounds.com/fund/valor-equity-partners) *Deploying now* VC firm · United States **261** **$50M** median round **Nov 2026** last seen
- 4 [Lightbank](https://millionrounds.com/fund/lightbank) *Deploying now* VC firm · United States **206** **$5.5M** median round **Oct 2026** last seen
- 5 [Adams Street Partners](https://millionrounds.com/fund/adams-street-partners) *Deploying now* VC firm · United States **188** **$70M** median round **Oct 2026** last seen
- 6 [CMT Digital](https://millionrounds.com/fund/cmt-digital) *Deploying now* VC firm · United States **156** **$7M** median round **Oct 2026** last seen
- 7 [Pritzker Group](https://millionrounds.com/fund/pritzker-group) *Deploying now* Private equity · United States **146** **$17M** median round **Nov 2026** last seen
- 8 [Hyde Park Venture Partners](https://millionrounds.com/fund/hyde-park-venture-partners) *Deploying now* VC firm · United States **132** **$5.5M** median round **May 2026** last seen
- 9 [Jump Capital](https://millionrounds.com/fund/jump-capital) *Deploying now* VC firm · United States **128** **$11M** median round **Oct 2026** last seen
- 10 [Promus Ventures](https://millionrounds.com/fund/promus-ventures) *Deploying now* VC firm · United States **124** **$20M** median round **Oct 2026** last seen
- 11 [Chicago Ventures](https://millionrounds.com/fund/chicago-ventures) *Deploying now* VC firm · United States **116** **$5.8M** median round **Oct 2026** last seen
- 12 [M25](https://millionrounds.com/fund/m25) *Deploying now* VC firm · United States **115** **$2.2M** median round **Sept 2026** last seen
- 13 [S2G Investments](https://millionrounds.com/fund/s2g-investments) *Deploying now* Growth equity · United States **102** **$16M** median round **Oct 2026** last seen
- 14 [Origin Ventures](https://millionrounds.com/fund/origin-ventures) *Deploying now* VC firm · United States **93** **$7.5M** median round **Oct 2026** last seen
- 15 [Moderne Ventures](https://millionrounds.com/fund/moderne-ventures) *Deploying now* VC firm · United States **64** **$13M** median round **Oct 2026** last seen
- 16 [Motorola Solutions Venture Capital](https://millionrounds.com/fund/motorola-solutions-venture-capital) *Deploying now* Corporate VC · United States **60** **$58M** median round **Jul 2026** last seen
- 17 [Blue Owl](https://millionrounds.com/fund/blue-owl) *Deploying now* Asset manager · United States **59** **$189M** median round **Oct 2026** last seen
- 18 [New Stack Ventures](https://millionrounds.com/fund/new-stack-ventures) *Deploying now* VC firm · United States **53** **$3.3M** median round **Jun 2026** last seen
- 19 [Sfermion](https://millionrounds.com/fund/sfermion) *Deploying now* VC firm · United States **44** **$5M** median round **Jan 2026** last seen
- 20 [TechNexus Venture Collaborative](https://millionrounds.com/fund/technexus-venture-collaborative) *Deploying now* Accelerator · United States **40** **$3.4M** median round **Jan 2026** last seen
- 21 [Evergreen Climate Innovations](https://millionrounds.com/fund/evergreen-climate-innovations) *Deploying now* VC firm · United States **33** **$2.4M** median round **Sept 2026** last seen
- 22 [CME Ventures](https://millionrounds.com/fund/cme-group) *Deploying now* Corporate VC · United States **20** **$34M** median round **Jun 2026** last seen
- 23 [Peak 6](https://millionrounds.com/fund/peak-6) *Deploying now* Corporate VC · United States **12** **$20M** median round **Aug 2026** last seen
- 24 [G Squared](https://millionrounds.com/fund/g-squared) *Deploying now* VC firm · United States **10** **$318M** median round **Sept 2026** last seen
- 25 [Intermountain Ventures](https://millionrounds.com/fund/intermountain-ventures) quiet Corporate VC · United States **9** **$36M** median round **Sept 2025** last seen

**13 more on this list**

All 38 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-chicago)

## The Newest Cheques

Rounds this list's investors joined most recently

- **6** Nov **[Ocient](https://millionrounds.com/company/ocient)** Series C · $100M *With* [PSP Growth](https://millionrounds.com/fund/psp-growth)
- **5** Nov **[firmly](https://millionrounds.com/company/firmly)** Series A · $15M *With* [Alumni Ventures](https://millionrounds.com/fund/us-strategic-tech-fund-an-alumni-ventures-fund)
- **5** Nov **[RadianX](https://millionrounds.com/company/radianx)** Seed · $9M *With* [Alumni Ventures](https://millionrounds.com/fund/us-strategic-tech-fund-an-alumni-ventures-fund)
- **5** Nov **[Zipline](https://millionrounds.com/company/zipline)** Growth · $1.5B *With* [Valor Equity Partners](https://millionrounds.com/fund/valor-equity-partners)
- **4** Nov **[Laza Medical](https://millionrounds.com/company/laza-medical)** Series B · $160M *Led by* [GE Healthcare](https://millionrounds.com/fund/ge-healthcare)
- **2** Nov **[Larridin](https://millionrounds.com/company/larridin)** Series A · $30M *With* [Alumni Ventures](https://millionrounds.com/fund/us-strategic-tech-fund-an-alumni-ventures-fund)

## Stages This Year

591 rounds

- Venture **19%**
- Series A **17%**
- Series B **14%**
- Seed **14%**
- Debt **7%**
- Other **29%**

## What They Backed

Sectors, last 12 months

- AI **223**
- Biotech **50**
- Fintech **40**
- Healthcare **36**
- Big Data & Analytics **34**
- Energy **32**

## Cheques by Quarter

Led Joined

187 Q1 25

159 Q2 25

165 Q3 25

195 Q4 25

210 Q1 26

145 Q2 26

157 Q3 26

40 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 Chicago

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

By cheques observed, the most active are Alumni Ventures, ARCH Venture Partners, Valor Equity Partners, Lightbank and Adams Street Partners.

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

38 are on record. 97% made an investment in the last 12 months and 68% have led a round.

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

Of the rounds with a named stage in the last 12 months, mostly Series A (23%) and Series B (20%).

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

The typical (median) round among the leading investors here is $13M.

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

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

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

Valor Equity Partners (21 led), ARCH Venture Partners (12 led) and Jump Capital (7 led).

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

Recent rounds include Ocient (Series C, Nov 2026, with PSP Growth), firmly (Series A, Nov 2026, with Alumni Ventures) and RadianX (Seed, Nov 2026, with Alumni Ventures).

### How is this list of series B investors based in Chicago 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)