# Altitude Life Science Ventures: portfolio, investments and team

> Altitude Life Science Ventures is a vc firm based in United States. 12 investments on record, latest Sept 2025. Portfolio, stages, co-investors and team.

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

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

# Altitude Life Science Ventures

Last cheque observed Sep 2025. Silence since then is not evidence of inactivity: our sources miss unannounced rounds.

Email

Quiet New fund $90M, Oct 2020 VC firm

Seed Series A Series B Life Sciences

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Cheques on record

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

Since the last cheque **412** days **00** hrs **00** min **00** sec

Median round **$120M** Cheque size, as they say **$100K – $5.0M** Rounds led **0 of 12** Mostly in **United States, 100%**

Pitch Altitude Life Science Ventures

## Altitude Life Science Ventures highlights

- 01 12 rounds on record
- 02 Mostly Series B and Series A: 75% of its rounds

## What they do

> Altitude Life Science Ventures is a venture capital firm based in Kirkland, WA that invests in early stage life science companies From their own website

- **Type:** VC firm (from a list, unverified)
- **Cheque size:** $100K – $5.0M as they say
- **Stages:** Seed Series A Series B Growth
- **Sectors:** Life Sciences
- **Based in:** Durango, United States
- **Cold pitches:** Not accepted

## The record

Every round we can evidence, newest first **12 appearances**

- **2025** 2 rounds
- **Sept** **[Lila Sciences](https://millionrounds.com/company/lila-sciences)** Series A · US · TechStartups **$235M** With 21 others
- **Mar** **[Lila Sciences](https://millionrounds.com/company/lila-sciences)** Seed · US · AlleyWatch **$200M** With 8 others
- **2019** 4 rounds
- **Oct** **[Nuvation Bio](https://millionrounds.com/company/nuvation-bio)** Series A · US · FinSMEs **$275M** With 11 others
- **Jun** **[Encoded Therapeutics](https://millionrounds.com/company/encoded-therapeutics)** Series C · US · Prnewswire **$104M** With 4 others
- **Jun** **[Blackthorn Therapeutics](https://millionrounds.com/company/blackthorn-therapeutics)** Series B · US · FinSMEs **$76M** With 11 others
- **Mar** **[Beam Therapeutics](https://millionrounds.com/company/beam-therapeutics)** Series B · US · FinSMEs **$135M** With 7 others
- **2018** 1 round
- **Jul** **[Omniome](https://millionrounds.com/company/omniome)** Series B · US · FinSMEs **$60M** With 6 others
- **2017** 1 round
- **Apr** **[Sienna Biopharmaceuticals](https://millionrounds.com/company/sienna-biopharmaceuticals)** Series B · US · FinSMEs **$40M** With 4 others
- **2015** 1 round
- **Jun** **[Pulmatrix](https://millionrounds.com/company/pulmatrix)** Growth · US **$10M** With 3 others
- **2010** 1 round
- **Jun** **[Constellation Pharmaceuticals](https://millionrounds.com/company/constellation-pharmaceuticals)** Series B · US · onbiovc.com **$22M** With 4 others
- **2009** 1 round
- **Aug** **[Constellation Pharmaceuticals](https://millionrounds.com/company/constellation-pharmaceuticals)** Series A · US **$17M** With 3 others
- **2007** 1 round
- **May** **[Arete Therapeutics](https://millionrounds.com/company/arete-therapeutics)** Series A · US **$35M** With 4 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 team

Named by the firm itself, on a filing, its Form ADV or its company registration **2 named**

DJ **David J. Maki** Manager of Altitude Ventures Management, LLC and Altitude Life Science Ventures II, LLC i Form ADV

SC **Susan Carole Maki** Member i Form ADV

We also hold **5** 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

**$287M** gross assets of its funds Oct 2026

**Exempt** reporting adviser venture or small private funds

- **Legal name:** Altitude Ventures Management, LLC
- **SEC number:** CRD 269981

New fund on file

**$90M**

raised in Oct 2020

From its SEC filing, not a journalist: a firm that has just raised has money to deploy.

## The cheque

Seed Series A Series B

Median round joined **$120M** the round, not its cheque

Led 0 of 12 rounds **0%**

- **Said size:** $100K – $5.0M
- **Sole investor:** Never alone
- **Last cheque:** Sept 2025

Rounds by stage said on their site

- Series B said *5*
- Series A said *4*
- Growth said *1*
- Seed said *1*
- Series C *1*

Cheques by month Led Joined

Dec 2023 Nov 2026

Often in the room with

- [ARCH Venture Partners](https://millionrounds.com/fund/arch-venture-partners) 4
- [Venrock](https://millionrounds.com/fund/venrock) 3
- [Abu Dhabi Investment Authority](https://millionrounds.com/fund/abu-dhabi-investment-authority) 2
- [Arch](https://millionrounds.com/fund/arch) 2
- [Ark Venture Fund](https://millionrounds.com/fund/ark-venture-fund) 2
- [Biomatics Capital](https://millionrounds.com/fund/biomatics-capital) 2

**Pitching Altitude Life Science Ventures?** 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 Altitude Life Science Ventures. A count of rooms they were both in, not a relationship either has claimed.

[**ARCH Venture Partners** VC firm **4** rounds together](https://millionrounds.com/fund/arch-venture-partners)[**Venrock** VC firm **3** rounds together](https://millionrounds.com/fund/venrock)[**Abu Dhabi Investment Authority** Angel network **2** rounds together](https://millionrounds.com/fund/abu-dhabi-investment-authority)[**Arch** Hedge fund **2** rounds together](https://millionrounds.com/fund/arch)[**Ark Venture Fund** VC firm **2** rounds together](https://millionrounds.com/fund/ark-venture-fund)[**Biomatics Capital** VC firm **2** rounds together](https://millionrounds.com/fund/biomatics-capital)[**Flagship Pioneering** VC firm **2** rounds together](https://millionrounds.com/fund/flagship-pioneering)[**General Catalyst** VC firm **2** rounds together](https://millionrounds.com/fund/general-catalyst)[**Google Ventures** Corporate VC **2** rounds together](https://millionrounds.com/fund/gv)[**March Capital** VC firm **2** rounds together](https://millionrounds.com/fund/march-capital)[**Modi Ventures** VC firm **2** rounds together](https://millionrounds.com/fund/modi-ventures)[**Omega Funds** VC firm **2** rounds together](https://millionrounds.com/fund/omega-funds)

## Recently backed

The latest companies Altitude Life Science Ventures put money into.

[**Lila Sciences** $235M · Sept 2025](https://millionrounds.com/company/lila-sciences)[**Nuvation Bio** $275M · Oct 2019](https://millionrounds.com/company/nuvation-bio)[**Encoded Therapeutics** $104M · Jun 2019](https://millionrounds.com/company/encoded-therapeutics)[**Blackthorn Therapeutics** $76M · Jun 2019](https://millionrounds.com/company/blackthorn-therapeutics)[**Beam Therapeutics** $135M · Mar 2019](https://millionrounds.com/company/beam-therapeutics)

## Quick answers about Altitude Life Science Ventures

### What does Altitude Life Science Ventures invest in?

Altitude Life Science Ventures invests most often at Series B and Series A (75% of the rounds on record), in sectors such as Life Sciences.

### How active is Altitude Life Science Ventures?

12 investments on record, 0 of them in the last 12 months. The most recent was in Sept 2025.

### What has Altitude Life Science Ventures invested in recently?

Its most recent investments on record: Lila Sciences (Series A, Sept 2025), Nuvation Bio (Series A, Oct 2019) and Encoded Therapeutics (Series C, Jun 2019).

### How big are Altitude Life Science Ventures's cheques?

The median round it joins is $120M. It says it writes cheques of $100K to $5.0M.

### Does Altitude Life Science Ventures lead rounds?

Rarely, if at all: none of its 12 investments on record names it as the lead.

### Where does Altitude Life Science Ventures invest?

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

### Is Altitude Life Science Ventures investing now?

No investments in the last 12 months; the latest was in Sept 2025.

### Who does Altitude Life Science Ventures invest alongside?

Most often ARCH Venture Partners (4 rounds together), Venrock (3 rounds together) and Abu Dhabi Investment Authority (2 rounds together).

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