# Patient Square Capital: portfolio, investments and team

> Patient Square Capital is a private equity based in United States. 2 investments on record, latest Jan 2024. Portfolio, stages, co-investors and team.

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

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

# Patient Square Capital

Last cheque observed Jan 2024. Silence since then is not evidence of inactivity: our sources miss unannounced rounds.

Quiet Private equity

Seed Series A Series B Medtech Med Device Health

Cheques on record

**0%** of best year **0** **cheques in 12 months**, 2 on record

Since the last cheque **1022** days **00** hrs **00** min **00** sec

Median round **$200M** Rounds led **2 of 2**

Pitch Patient Square Capital

## Patient Square Capital highlights

- 01 2 rounds on record
- 02 Mostly Series A and Series C: 100% of its rounds
- 03 Led 2 rounds

## What they do

> Patient Square Capital is a dedicated health care investment firm with $19 billion in assets under management. From their own website

- **Type:** Private equity (from a list, unverified)
- **Cheque size:** Not stated
- **Stages:** Seed Series A Series B Growth
- **Sectors:** Medtech Med Device Health
- **Based in:** Menlo Park, United States
- **Cold pitches:** Not accepted

## The record

Every round we can evidence, newest first **2 appearances**

- **2024** 1 round
- **Jan** **[Apollo Therapeutics](https://millionrounds.com/company/apollo-therapeutics)** Series C · GB · UCL Technology Fund **$260M** *Led*
- **2021** 1 round
- **Jun** **[Apollo Therapeutics](https://millionrounds.com/company/apollo-therapeutics)** Series A · GB · UCL Technology Fund **$140M** *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 **4 named**

AM **Adam Mark Fliss** General Counsel and Founding Partner i Form ADV

CJ **Carolyn Joy Drayer-Greenwalt** Chief Compliance Officer i Form ADV

JC **James Cameron Momtazee** Managing Partner i Form ADV

MM **Matthew Michael Whelan** Chief Financial Officer and Partner i Form ADV

We also hold **8** 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

**$18B** assets it manages Oct 2026

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

- **Legal name:** Patient Square Capital, LP
- **SEC number:** CRD 312203

Funds on its Form ADV

**20** private funds, **$7.9B** in gross assets · filed Mar 2024

- Patient Square Equity Partners, L.P. *Private equity* 86 investors $2.4B
- Patient Square Equity Partners-A, L.P. *Private equity* 30 investors $2.3B
- PSC Stanley Coinvest, L.P. *Private equity* 12 investors $568M
- Blackwell Capital Partners, L.P. *Private equity* 2 investors $409M
- PSC EP Discretionary Coinvest III, L.P. *Private equity* 3 investors $385M
- PSC Sperry Coinvest L.P. *Private equity* 2 investors $264M
- PSC EP Discretionary Coinvest II, L.P. *Private equity* 1 investor $234M
- PSC EP Discretionary Coinvest, L.P. *Private equity* 2 investors $206M
- PSC HERO Coinvest, L.P. *Private equity* 2 investors $200M
- PSC KR Coinvest, L.P. *Private equity* 4 investors $178M

And 10 more on the filing.

Who backs their funds

## 1 LP on record in Patient Square Capital's funds

- **Committed:** $2.1B
- **Funds:** 2
- **Vintages:** 2023

The institutions that put money into its funds, which the firm then invests in companies. Source: the pension's own report, latest Mar 2026.

- [**California Public Employees' Retirement System (CalPERS)** 2 funds *$2.1B*](https://millionrounds.com/fund/california-public-employees) Fund Vintage Committed Blackwell Capital Partners 2023 $1.8B Patient Square Equity Partners 2023 $300M

## The cheque

Seed Series A Series B

Median round joined **$200M** the round, not its cheque

Led 2 of 2 rounds **100%**

- **Sole investor:** Never alone
- **Last cheque:** Jan 2024

Rounds by stage said on their site

- Series A said *1*
- Series C *1*
- Seed said *-*
- Series B said *-*
- Growth said *-*

Cheques by month Led Joined

Nov 2023 Oct 2026

Often in the room with

- [Rock Springs Capital](https://millionrounds.com/fund/rock-springs-capital) 2

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## Who they invest alongside

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

[**Rock Springs Capital** Hedge fund **2** rounds together](https://millionrounds.com/fund/rock-springs-capital)

## Recently backed

The latest companies Patient Square Capital put money into.

[**Apollo Therapeutics** $260M · Jan 2024](https://millionrounds.com/company/apollo-therapeutics)

## Quick answers about Patient Square Capital

### What does Patient Square Capital invest in?

Patient Square Capital invests most often at Series A and Series C (100% of the rounds on record), in sectors such as Medtech, Med Device and Health.

### How active is Patient Square Capital?

2 investments on record, 0 of them in the last 12 months, and it led 2. The most recent was in Jan 2024.

### What has Patient Square Capital invested in recently?

Its most recent investments on record: Apollo Therapeutics (Series C, Jan 2024).

### How big are Patient Square Capital's cheques?

The median round it joins is $200M.

### Is Patient Square Capital investing now?

No investments in the last 12 months; the latest was in Jan 2024.

### Who does Patient Square Capital invest alongside?

Most often Rock Springs Capital (2 rounds together).

### What kind of investor is Patient Square Capital?

Patient Square Capital is a private equity firm based in Menlo Park, United States.

### How much does Patient Square Capital manage?

About $18B, as regulatory assets under management (Oct 2026).

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