# Regeneron Ventures: portfolio, investments and team

> Regeneron Ventures is a growth equity based in United States. 6 investments on record, 4 in the last 12 months, latest Oct 2026.

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

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

# Regeneron Ventures

Last cheque observed Oct 2026; 6 cheques on record.

Email

Deploying now Growth equity

Series A Series B Venture Capital & Private Equity

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Deploying now

**100%** of best year **4** **cheques in 12 months**, 6 on record

Since the last cheque **1** days **00** hrs **00** min **00** sec

Median round **$95M** Rounds led **2 of 6** Mostly in **United States, 100%**

Pitch Regeneron Ventures

## Regeneron Ventures highlights

- 01 4 cheques in the last 12 months
- 02 Mostly Series A and Series B: 100% of its rounds
- 03 Led 2 rounds

## What they do

- **Type:** Growth equity (from a list, unverified)
- **Cheque size:** Not stated
- **Sectors:** Venture Capital & Private Equity
- **Based in:** Greenwich, United States
- **Cold pitches:** Not stated

## The record

Every round we can evidence, newest first **6 appearances**

- **2026** 4 rounds
- **Oct** **[Setara Biosciences](https://millionrounds.com/company/setara-biosciences)** Series A · US · Pulse 2.0 **$90M** With 6 others
- **Aug** **[Infinimmune](https://millionrounds.com/company/infinimmune)** Series A · US · Ventureburn **$75M** *Led*
- **Jun** **[City Therapeutics](https://millionrounds.com/company/city-therapeutics)** Series B · US · Ventureburn **$100M** With 8 others
- **Apr** **[Neomorph](https://millionrounds.com/company/neomorph)** Series B · US · TechStartups **$100M** With 4 others
- **2025** 2 rounds
- **Oct** **[Zag Bio](https://millionrounds.com/company/zag-bio)** Series A · US · Firms' own news pages **$80M** With 9 others
- **Jan** **[Tune Therapeutics](https://millionrounds.com/company/tune-therapeutics)** Series B · US · Hatteras Venture Partners **$175M** *Led*

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 team

Named by the firm itself, on a filing, its Form ADV or its company registration **3 named**

HJ **Harris Jason Bogner** Chief Compliance Officer i Form ADV

JS **Jay Solomon Markowitz** Managing Member i Form ADV

MS **Michael Steven Aberman** Managing Member i Form ADV

We also hold **2** people at this firm from the lists this database was built from: a weaker source than the filings, since a list does not say when a title ended. Login to see them.

## What the register says

From the firm's own filings with the SEC, which it must file accurately by law

**$479M** assets it manages Oct 2026

**Registered** investment adviser full reporting to the SEC

- **Legal name:** Positive Selection Investment Management, LLC
- **SEC number:** CRD 331469

Funds on its Form ADV

**1** private fund, **$500M** in gross assets · filed Jun 2024

- Regeneron Ventures, L.P. *Venture* 1 investor $500M

## The cheque

Series A Series B

Median round joined **$95M** the round, not its cheque

Led 2 of 6 rounds **33%**

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

Rounds by stage said on their site

- Series A *3*
- Series B *3*

Cheques by month Led Joined

Nov 2023 Oct 2026

Often in the room with

- [Deerfield](https://millionrounds.com/fund/deerfield) 2
- [Mission BioCapital](https://millionrounds.com/fund/mission-biocapital) 2

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## Who they invest alongside

The investors most often in the same rounds as Regeneron Ventures. A count of rooms they were both in, not a relationship either has claimed.

[**Deerfield** VC firm **2** rounds together](https://millionrounds.com/fund/deerfield)[**Mission BioCapital** VC firm **2** rounds together](https://millionrounds.com/fund/mission-biocapital)

## Recently backed

The latest companies Regeneron Ventures put money into.

[**Infinimmune** $75M · Aug 2026](https://millionrounds.com/company/infinimmune)[**Zag Bio** $80M · Oct 2025](https://millionrounds.com/company/zag-bio)[**Tune Therapeutics** $175M · Jan 2025](https://millionrounds.com/company/tune-therapeutics)

## Quick answers about Regeneron Ventures

### What does Regeneron Ventures invest in?

Regeneron Ventures invests most often at Series A and Series B (100% of the rounds on record), in sectors such as Venture Capital & Private Equity.

### How active is Regeneron Ventures?

6 investments on record, 4 of them in the last 12 months, and it led 2. The most recent was in Oct 2026.

### What has Regeneron Ventures invested in recently?

Its most recent investments on record: Setara Biosciences (Series A, Oct 2026), Infinimmune (Series A, Aug 2026) and City Therapeutics (Series B, Jun 2026).

### How big are Regeneron Ventures's cheques?

The median round it joins is $95M.

### Does Regeneron Ventures lead rounds?

Yes: it led 2 of its 6 investments on record (33%).

### Where does Regeneron Ventures invest?

Most of the companies it backs are in the United States (100%).

### Is Regeneron Ventures investing now?

Yes: it is actively investing, with 4 investments in the last 12 months.

### Who does Regeneron Ventures invest alongside?

Most often Deerfield (2 rounds together) and Mission BioCapital (2 rounds together).

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