# Perseus-Soros Biopharmaceutical Fund: portfolio, investments and team

> Perseus-Soros Biopharmaceutical Fund is a vc firm based in United States. 11 investments on record, latest Nov 2007. Portfolio, stages, co-investors and team.

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

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

# Perseus-Soros Biopharmaceutical Fund

Last cheque observed Nov 2007. Silence since then is not evidence of inactivity: our sources miss unannounced rounds.

Quiet VC firm

Series D Series C Growth Nanotechnology Video

Cheques on record

**0%** of best year **0** **cheques in 12 months**, 11 on record

Since the last cheque **6921** days **00** hrs **00** min **00** sec

Median round **$31M** Rounds led **0 of 11** Exits **7 from the portfolio** Mostly in **United States, 100%**

Pitch Perseus-Soros Biopharmaceutical Fund

## Perseus-Soros Biopharmaceutical Fund highlights

- 01 11 rounds on record
- 02 Mostly Series D and Series C: 73% of its rounds
- 03 7 exits from the portfolio

## What they do

- **Type:** VC firm (from a list, unverified)
- **Cheque size:** Not stated
- **Sectors:** Nanotechnology Video
- **Based in:** United States
- **Cold pitches:** Not stated

## The record

Every round we can evidence, newest first **11 appearances**

- **2007** 1 round
- **Nov** **[Ambit Biosciences](https://millionrounds.com/company/ambit-biosciences)** Series D · US **$49M** With 11 others
- **2005** 3 rounds
- **May** **[Ambit Biosciences](https://millionrounds.com/company/ambit-biosciences)** Series C · US **$31M** With 6 others
- **Apr** **[SkinMedica](https://millionrounds.com/company/skinmedica)** Series E · US **$15M** With 6 others
- **Mar** **[ArgiNOx Phamaceuticals,Inc.](https://millionrounds.com/company/arginox-phamaceuticals-inc)** Series C · US **$25M** With 1 other
- **2004** 3 rounds
- **Aug** **[Avera Pharmaceutical](https://millionrounds.com/company/avera-pharmaceutical)** Series C · US **$48M** With 10 others
- **Jul** **[SkinMedica](https://millionrounds.com/company/skinmedica)** Series D · US **$30M** With 5 others
- **Apr** **[Cardiokine](https://millionrounds.com/company/cardiokine)** Series A · US **$37M** With 3 others
- **2003** 3 rounds
- **Nov** **[Auxilium Pharmaceuticals](https://millionrounds.com/company/auxilium-pharmaceuticals)** Series D · US **$43M** With 7 others
- **Aug** **[Myogen](https://millionrounds.com/company/myogen)** Series D · US **$40M** With 6 others
- **Jan** **[Aton Pharma](https://millionrounds.com/company/aton-pharma)** Growth · US **$14M** With 1 other
- **2002** 1 round
- **Jan** **[Myogen](https://millionrounds.com/company/myogen)** Series D · US **$14M** With 3 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.

## Exits from the portfolio

Companies it backed that were later bought or listed **7 in all**

**[Auxilium Pharmaceuticals](https://millionrounds.com/company/auxilium-pharmaceuticals)** Bought by Endo Health Solutions **$2.6B** Oct 2014

**[Ambit Biosciences](https://millionrounds.com/company/ambit-biosciences)** Bought by [Daiichi Sankyo](https://millionrounds.com/fund/daiichi-sankyo) **$410M** Sept 2014

**[SkinMedica](https://millionrounds.com/company/skinmedica)** Bought by [Allergan](https://millionrounds.com/fund/allergan) **Undisclosed** Nov 2012

**[Cardiokine](https://millionrounds.com/company/cardiokine)** Bought by Cornerstone Therapeutics **Undisclosed** Jan 2012

**[Aton Pharma](https://millionrounds.com/company/aton-pharma)** Bought by Valeant Pharmaceuticals International **$318M** May 2010

**[Auxilium Pharmaceuticals](https://millionrounds.com/company/auxilium-pharmaceuticals)** Listed **Undisclosed** Dec 2007

**[Myogen](https://millionrounds.com/company/myogen)** Bought by [Gilead Sciences](https://millionrounds.com/fund/gilead-sciences) **Undisclosed** Oct 2006

An exit counts when it came after the firm's first round in the company. From historical deal records.

## The cheque

Series D Series C Growth

Median round joined **$31M** the round, not its cheque

Led 0 of 11 rounds **0%**

- **Sole investor:** Never alone
- **Last cheque:** Nov 2007
- **Exits:** 7 from the portfolio

Rounds by stage said on their site

- Series D *5*
- Series C *3*
- Growth *1*
- Series A *1*
- Series E *1*

Cheques by year Led Joined

2002 2007

Often in the room with

- [HealthCare Ventures](https://millionrounds.com/fund/healthcare-ventures-llc) 3
- [Montreux Growth Partners](https://millionrounds.com/fund/montreux-growth-partners) 3
- [Apax Partners](https://millionrounds.com/fund/apax-partners) 2
- [Avalon Ventures](https://millionrounds.com/fund/avalon-ventures) 2
- [Domain Associates](https://millionrounds.com/fund/domain-associates) 2
- [Forward Ventures](https://millionrounds.com/fund/forward-ventures) 2

**Pitching Perseus-Soros Biopharmaceutical Fund?** Put them on your fundraising board with this record on the card, and follow them to hear when they write a new cheque.

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## Who they invest alongside

The investors most often in the same rounds as Perseus-Soros Biopharmaceutical Fund. A count of rooms they were both in, not a relationship either has claimed.

[**HealthCare Ventures** Growth equity **3** rounds together](https://millionrounds.com/fund/healthcare-ventures-llc)[**Montreux Growth Partners** VC firm **3** rounds together](https://millionrounds.com/fund/montreux-growth-partners)[**Apax Partners** Private equity **2** rounds together](https://millionrounds.com/fund/apax-partners)[**Avalon Ventures** VC firm **2** rounds together](https://millionrounds.com/fund/avalon-ventures)[**Domain Associates** VC firm **2** rounds together](https://millionrounds.com/fund/domain-associates)[**Forward Ventures** Accelerator **2** rounds together](https://millionrounds.com/fund/forward-ventures)[**GeneChem** Growth equity **2** rounds together](https://millionrounds.com/fund/genechem)[**Gimv** Private equity **2** rounds together](https://millionrounds.com/fund/gimv)[**InterWest Partners** VC firm **2** rounds together](https://millionrounds.com/fund/interwest-partners)[**OrbiMed** Private equity **2** rounds together](https://millionrounds.com/fund/orbimed)[**Roche Venture Fund** Corporate VC **2** rounds together](https://millionrounds.com/fund/roche-venture-fund)[**Schroder Ventures** Private equity **2** rounds together](https://millionrounds.com/fund/schroder-ventures)

## Quick answers about Perseus-Soros Biopharmaceutical Fund

### What does Perseus-Soros Biopharmaceutical Fund invest in?

Perseus-Soros Biopharmaceutical Fund invests most often at Series D and Series C (73% of the rounds on record), in sectors such as Nanotechnology and Video.

### How active is Perseus-Soros Biopharmaceutical Fund?

11 investments on record, 0 of them in the last 12 months. The most recent was in Nov 2007.

### How big are Perseus-Soros Biopharmaceutical Fund's cheques?

The median round it joins is $31M.

### Does Perseus-Soros Biopharmaceutical Fund lead rounds?

Rarely, if at all: none of its 11 investments on record names it as the lead.

### Where does Perseus-Soros Biopharmaceutical Fund invest?

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

### Is Perseus-Soros Biopharmaceutical Fund investing now?

No investments in the last 12 months; the latest was in Nov 2007.

### Who does Perseus-Soros Biopharmaceutical Fund invest alongside?

Most often HealthCare Ventures (3 rounds together), Montreux Growth Partners (3 rounds together) and Apax Partners (2 rounds together).

### What kind of investor is Perseus-Soros Biopharmaceutical Fund?

Perseus-Soros Biopharmaceutical Fund is a VC firm based in United States.

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