# Robert Langer: angel investments and portfolio

> Robert Langer is an angel. 1 investment on record, 1 in the last 12 months, latest Jul 2026. Portfolio, stages, co-investors and team.

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

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

# Robert Langer

Last cheque observed Jul 2026; 1 cheques on record.

Deploying now Angel

Seed

Deploying now

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

Since the last cheque **96** days **00** hrs **00** min **00** sec

Median round **$8.0M** Rounds led **0 of 1**

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## Robert Langer highlights

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

## What they do

- **Type:** Angel (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
- **Jul** **[Cheiron](https://millionrounds.com/company/cheiron)** Seed · Menlo Ventures **$8.0M** With 5 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

Seed

Median round joined **$8.0M** the round, not its cheque

Led 0 of 1 rounds **0%**

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

Rounds by stage said on their site

- Seed *1*

Cheques by month Led Joined

Nov 2023 Oct 2026

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## Recently backed

The latest companies Robert Langer put money into.

[**Cheiron** $8.0M · Jul 2026](https://millionrounds.com/company/cheiron)

## Quick answers about Robert Langer

### What does Robert Langer invest in?

Robert Langer invests most often at Seed (100% of the rounds on record).

### How active is Robert Langer?

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

### What has Robert Langer invested in recently?

Its most recent investments on record: Cheiron (Seed, Jul 2026).

### How big are Robert Langer's cheques?

The median round it joins is $8.0M.

### Is Robert Langer investing now?

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

### What kind of investor is Robert Langer?

Robert Langer is an angel.

### Where does this information on Robert Langer 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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Built from the rounds we watched, its filings and its own website, refreshed every night. [How we count](https://millionrounds.com/methodology) · [Report a correction](https://millionrounds.com/corrections?slug=robert-langer) · [Is this your firm? Claim it](https://millionrounds.com/claim?org=robert-langer)