# Tom Gruber: portfolio, investments and team

> Tom Gruber is a growth equity. 1 investment on record, 1 in the last 12 months, latest Feb 2026. Portfolio, stages, co-investors and team.

Source: https://millionrounds.com/fund/tom-gruber (Millionrounds; every figure on the page links to its filing or article)

[Investor](https://millionrounds.com/investors)

# Tom Gruber

Last cheque observed Feb 2026; 1 cheques on record.

Email

Growth equity Deploying now

Series B

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Deploying now

**100%** of best year **1** **cheques in 12 months**, 1 on record

Since the last cheque **255** days **00** hrs **00** min **00** sec

Median round **$100M** Rounds led **0 of 1**

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## Tom Gruber highlights

- 01 1 cheques in the last 12 months
- 02 Mostly Series B: 100% of its rounds

## What they do

- **Type:** Growth equity (from a list, unverified)
- **Cheque size:** Not stated
- **Cold pitches:** Not stated

## The record

Every round we can evidence, newest first **1 appearances**

- **2026** 1 round
- **Feb** **[ZaiNar](https://millionrounds.com/company/zainar)** Series B · US · Ventureburn **$100M** With 7 others

An announcement gives the size of the round, not the size of this investor's cheque: the only rounds that imply a cheque are those where they were the sole named investor.

## The cheque

Series B

Median round joined **$100M** the round, not its cheque

Led 0 of 1 rounds **0%**

- **Sole investor:** Never alone
- **Last cheque:** Feb 2026

Rounds by stage said on their site

- Series B *1*

Cheques by month Led Joined

Dec 2023 Nov 2026

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## Recently backed

The latest companies Tom Gruber put money into.

[**ZaiNar** $100M · Feb 2026](https://millionrounds.com/company/zainar)

## Quick answers about Tom Gruber

### What does Tom Gruber invest in?

Tom Gruber invests most often at Series B (100% of the rounds on record).

### How active is Tom Gruber?

1 investments on record, 1 of them in the last 12 months. The most recent was in Feb 2026.

### What has Tom Gruber invested in recently?

Its most recent investments on record: ZaiNar (Series B, Feb 2026).

### How big are Tom Gruber's cheques?

The median round it joins is $100M.

### Is Tom Gruber investing now?

Yes: it is actively investing, with 1 investments in the last 12 months.

### What kind of investor is Tom Gruber?

Tom Gruber is a growth equity firm.

### Where does this information on Tom Gruber come from?

From 1 articles and filings naming it in a round, public registers and its own website, checked and rebuilt every night.

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