# Series A collaboration Tools investors (2026 list)

> 66 series A collaboration Tools investors, 97% active in the last 12 months. Led by Techstars, Andreessen Horowitz, General Catalyst.

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

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

# Series A collaboration Tools investors

Updated 7 November 2026

Firms we have watched take part in a Series A round raised by a collaboration Tools company in the last two years. Both the stage and the sector are what they did, not what their website says.

[See all 66 *→*](https://millionrounds.com/login?join=1&next=%2Fapp%2Finvestor-lists%2Fseries-a-collaboration-investors)The top 25

**66** investors on the list *-2* this week

**2,416** cheques in 12 months *-10%* against the market

**$10M** median round they joined *+29%* against the market median

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

**53%** have led a round

## The Top 25

Ordered by cheques observed, never by anything anyone paid for

Deploying now (25)

- 1 [Techstars](https://millionrounds.com/fund/techstars) *Deploying now* VC firm · United States **2,989** **$1.2M** median round **Nov 2026** last seen
- 2 [Andreessen Horowitz](https://millionrounds.com/fund/andreessen-horowitz) *Deploying now* VC firm · United States **1,661** **$27M** median round **Nov 2026** last seen
- 3 [General Catalyst](https://millionrounds.com/fund/general-catalyst) *Deploying now* VC firm · United States **1,387** **$27M** median round **Nov 2026** last seen
- 4 [SV Angel](https://millionrounds.com/fund/sv-angel) *Deploying now* VC firm · United States **1,349** **$18M** median round **Oct 2026** last seen
- 5 [Accel](https://millionrounds.com/fund/accel) *Deploying now* VC firm · United States **1,341** **$32M** median round **Nov 2026** last seen
- 6 [Lightspeed Venture Partners](https://millionrounds.com/fund/lightspeed-venture-partners) *Deploying now* VC firm · United States **1,341** **$35M** median round **Nov 2026** last seen
- 7 [Khosla Ventures](https://millionrounds.com/fund/khosla-ventures) *Deploying now* VC firm · United States **1,128** **$26M** median round **Nov 2026** last seen
- 8 [Bessemer Venture Partners](https://millionrounds.com/fund/bessemer-venture-partners) *Deploying now* VC firm · United States **1,038** **$30M** median round **Nov 2026** last seen
- 9 [SOSV](https://millionrounds.com/fund/sosv) *Deploying now* VC firm · United States **951** **$2.5M** median round **Nov 2026** last seen
- 10 [Google Ventures](https://millionrounds.com/fund/gv) *Deploying now* Corporate VC · United States **884** **$38M** median round **Oct 2026** last seen
- 11 [Flybridge](https://millionrounds.com/fund/flybridge) *Deploying now* VC firm · United States **534** **$5M** median round **Sept 2026** last seen
- 12 [Soma Capital](https://millionrounds.com/fund/soma-capital) *Deploying now* VC firm · United States **456** **$4.2M** median round **Oct 2026** last seen
- 13 [Crosslink Capital](https://millionrounds.com/fund/crosslink-capital) *Deploying now* VC firm · United States **381** **$10M** median round **Oct 2026** last seen
- 14 [Collaborative Fund](https://millionrounds.com/fund/collaborative-fund) *Deploying now* VC firm · United States **305** **$7.5M** median round **Oct 2026** last seen
- 15 [Abstract Ventures](https://millionrounds.com/fund/abstract) *Deploying now* VC firm · United States **295** **$13M** median round **Nov 2026** last seen
- 16 [Village Global](https://millionrounds.com/fund/village-global-2) *Deploying now* VC firm · Canada **294** **$8M** median round **Nov 2026** last seen
- 17 [Valor Equity Partners](https://millionrounds.com/fund/valor-equity-partners) *Deploying now* VC firm · United States **261** **$50M** median round **Nov 2026** last seen
- 18 [Thrive Capital](https://millionrounds.com/fund/thrive-capital-2) *Deploying now* Family office **240** **$50M** median round **Oct 2026** last seen
- 19 [Founder Institute](https://millionrounds.com/fund/founder-institute-montreal) *Deploying now* Accelerator · United States **222** **$129K** median round **May 2026** last seen
- 20 [Pelion Venture Partners](https://millionrounds.com/fund/pelion-venture-partners) *Deploying now* VC firm · United States **186** **$15M** median round **Nov 2026** last seen
- 21 [Susa Ventures](https://millionrounds.com/fund/susa-ventures) *Deploying now* VC firm · United States **181** **$11M** median round **Oct 2026** last seen
- 22 [DNX Ventures](https://millionrounds.com/fund/dnx-ventures-us) *Deploying now* VC firm · United States **149** **$5M** median round **Sept 2026** last seen
- 23 [Karman Ventures](https://millionrounds.com/fund/karman-ventures) *Deploying now* VC firm · United States **142** **$7.7M** median round **Oct 2026** last seen
- 24 [NAP](https://millionrounds.com/fund/nap) *Deploying now* VC firm · Germany **138** **$6M** median round **Sept 2026** last seen
- 25 [Mana Ventures](https://millionrounds.com/fund/mana-ventures) *Deploying now* VC firm · United States **137** **$6.2M** median round **Nov 2026** last seen

**41 more on this list**

All 66 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-a-collaboration-investors)

## The Newest Cheques

Rounds this list's investors joined most recently

- **6** Nov **[Thinking Machines Lab](https://millionrounds.com/company/thinking-machines-lab)** Other · $5B *Led by* [Accel](https://millionrounds.com/fund/accel)
- **5** Nov **[Siggy](https://millionrounds.com/company/siggy)** Pre-seed · $6M *Led by* [Village Global](https://millionrounds.com/fund/village-global-2)
- **5** Nov **[RadianX](https://millionrounds.com/company/radianx)** Seed · $9M *Led by* [SOSV](https://millionrounds.com/fund/sosv)
- **5** Nov **[Zipline](https://millionrounds.com/company/zipline)** Growth · $1.5B *With* [Valor Equity Partners](https://millionrounds.com/fund/valor-equity-partners)
- **4** Nov **[Aformic](https://millionrounds.com/company/aformic)** Seed · $7M *With* [Mana Ventures](https://millionrounds.com/fund/mana-ventures)
- **4** Nov **Sentra** Series C · $150M *With* [Bessemer Venture Partners](https://millionrounds.com/fund/bessemer-venture-partners)

## Stages This Year

1,903 rounds

- Series A **20%**
- Seed **20%**
- Venture **17%**
- Series B **11%**
- Series C **6%**
- Other **25%**

## What They Backed

Sectors, last 12 months

- AI **900**
- Fintech **133**
- Healthcare **115**
- Big Data & Analytics **100**
- Biotech **93**
- Cybersecurity **81**

## Cheques by Quarter

Led Joined

646 Q1 25

715 Q2 25

753 Q3 25

801 Q4 25

779 Q1 26

648 Q2 26

514 Q3 26

189 Q4 26

The last bar is the quarter still running.

## Lists Like This

- [Seed AI investors 2,922](https://millionrounds.com/lists/seed-ai-investors)
- [Series A AI investors 2,490](https://millionrounds.com/lists/series-a-ai-investors)
- [Series B AI investors 1,557](https://millionrounds.com/lists/series-b-ai-investors)
- [Pre-seed AI investors 1,286](https://millionrounds.com/lists/pre-seed-ai-investors)
- [Growth AI investors 1,186](https://millionrounds.com/lists/growth-ai-investors)
- [Series A fintech investors 950](https://millionrounds.com/lists/series-a-fintech-investors)
- [Series C AI investors 930](https://millionrounds.com/lists/series-c-ai-investors)
- [Seed fintech investors 925](https://millionrounds.com/lists/seed-fintech-investors)
- [Series A biotech investors 650](https://millionrounds.com/lists/series-a-biotech-investors)

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

## Reading for founders at Series A

- Blitzscaling: The Lightning-Fast Path to Building Massively Valuable Companies Reid Hoffman · 2018 3.95 from 7,118 ratings on Goodreads Scaling and operations Leading and managing Moats and competition About the book Foreword by Bill Gates LinkedIn cofounder, legendary investor, and host of the award-winning Masters of Scale podcast reveals the secret to starting and scaling massively valuable companies. What entrepreneur or founder doesn’t aspire to build the next Amazon, Facebook, or… On AmazonListen on Audible
- One Page Talent Management: Eliminating Complexity, Adding Value Marc Effron · 2010 4.00 from 311 ratings on Goodreads Leading and managing Hiring and culture Scaling and operations About the book A Revolutionary Approach to Talent Management You know that winning in today’s marketplace requires top quality talent. You also know what it takes to build that talent, and you spend significant financial and human resources to make it happen. Yet somehow, your company’s… On AmazonListen on Audible
- The Sales Development Playbook: Build Repeatable Pipeline and Accelerate Growth with Inside Sales Trish Bertuzzi · 2016 4.18 from 696 ratings on Goodreads First sales Hiring and culture About the book Raise your hand if your company needs more new customers. I suspect your hand is (figuratively) up. This book is about not just growth, but high-growth, explosive-growth, the kind of growth that weather satellites can see from space. The success of any business-to-business… On AmazonListen on Audible
- The Culture Code: The Secrets of Highly Successful Groups Daniel Coyle · 2017 4.24 from 37,412 ratings on Goodreads Hiring and culture Leading and managing About the book What do Pixar, Google and the San Antonio Spurs basketball team have in common?The answer is that they all owe their extraordinary success to their team-building skills. In The Culture Code, Daniel Coyle goes inside some of the most effective organisations in the world and… On AmazonListen on Audible

More books for founders and investors on the [Reading List](https://millionrounds.com/reading-list?role=founder&stage=series_a).

As an Amazon Associate we earn from qualifying purchases.

## Quick answers about series A collaboration Tools investors

### Who are the most active series A collaboration Tools investors?

By cheques observed, the most active are Techstars, Andreessen Horowitz, General Catalyst, SV Angel and Accel.

### How many series A collaboration Tools investors are there?

66 are on record. 97% made an investment in the last 12 months and 53% have led a round.

### Which stages do series A collaboration Tools investors back?

Of the rounds with a named stage in the last 12 months, mostly Series A (27%) and Seed (26%).

### How big are the rounds series A collaboration Tools investors join?

The typical (median) round among the leading investors here is $11M.

### Which sectors do series A collaboration Tools investors back most?

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

### Which series A collaboration Tools investors lead the most rounds?

Andreessen Horowitz (114 led), Accel (103 led) and General Catalyst (97 led).

### Where are series A collaboration Tools investors based?

Most of the leading investors here are based in the United States (22 of the top 25); the rest in Canada and Germany.

### What have series A collaboration Tools investors invested in recently?

Recent rounds include Thinking Machines Lab (Other, Nov 2026, with Accel), Siggy (Pre-seed, Nov 2026, with Village Global) and RadianX (Seed, Nov 2026, with SOSV).

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