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Altitude Life Science Ventures

1014 Market St. Suite 200, Kirkland, WA, 98033, United States

Overview

Venture capital firm investing in early-stage life science companies.

Founded

2006

Deals ยท 12mo

0

Links

WebsiteLinkedIn

Stage focus

Series A
Series B
Series C

Geographic focus

United States

Sector focus

Biotechnology
Finance
Life Science
Venture Capital

Investment portfolio

37rounds
NAMEDATESIZE
Ansa Biotechnologies
Oct 2025Participated
$54 MSeries B
Lila Sciences
Sep 2025Participated
$235 MSeries A
Lila Sciences
Mar 2025Participated
$200 MSeed
Vilya
Jun 2024Participated
$71 MSeries A
Mozart Therapeutics
Jun 2023Participated
$25 MSeries A
Ring Therapeutics
Mar 2023Led
$87 MSeries C
Escient Pharmaceuticals
Nov 2022Participated
$120 MSeries C
Neumora Therapeutics
Oct 2022Participated
$112 MSeries B
Tessera Therapeutics
Apr 2022Participated
$300 MSeries C
Ansa Biotechnologies
Apr 2022Participated
$68 MSeries A
Generate Biomedicines
Nov 2021Participated
$370 MSeries B
Mozart Therapeutics
Oct 2021Participated
$55 MSeries A
Ansa Biotechnologies
Oct 2025Participated
$54 MSeries B
Lila Sciences
Sep 2025Participated
$235 MSeries A
Lila Sciences
Mar 2025Participated
$200 MSeed
Vilya
Jun 2024Participated
$71 MSeries A
Mozart Therapeutics
Jun 2023Participated
$25 MSeries A
Ring Therapeutics
Mar 2023Led
$87 MSeries C
Escient Pharmaceuticals
Nov 2022Participated
$120 MSeries C
Neumora Therapeutics
Oct 2022Participated
$112 MSeries B
Tessera Therapeutics
Apr 2022Participated
$300 MSeries C
Ansa Biotechnologies
Apr 2022Participated
$68 MSeries A
Generate Biomedicines
Nov 2021Participated
$370 MSeries B
Mozart Therapeutics
Oct 2021Participated
$55 MSeries A
37
Items
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Insights

Time horizon

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Deal Distribution

Altitude Life Science Ventures: 37 funding rounds are recorded in the selected participation categories.All available history.
Altitude Life Science Ventures: 37 funding rounds are recorded in the selected participation categories. All available history
Round typeLed dealsParticipated deals
Seed01
Series A012
Series B113
Series C+18
Other Equity01

Monthly Deal Activity

Altitude Life Science Ventures: 37 deals are recorded across 204 months.All available history.
Altitude Life Science Ventures: 37 deals are recorded across 204 months. All available history
MonthDeals
Nov '091
Dec '090
Jan '100
Feb '100
Mar '100
Apr '100
May '100
Jun '101
Jul '100
Aug '100
Sep '100
Oct '101
Nov '100
Dec '100
Jan '110
Feb '110
Mar '110
Apr '110
May '110
Jun '111
Jul '110
Aug '110
Sep '112
Oct '110
Nov '110
Dec '110
Jan '120
Feb '120
Mar '120
Apr '120
May '120
Jun '120
Jul '120
Aug '120
Sep '120
Oct '120
Nov '120
Dec '120
Jan '130
Feb '130
Mar '130
Apr '130
May '130
Jun '130
Jul '130
Aug '130
Sep '130
Oct '130
Nov '130
Dec '130
Jan '140
Feb '140
Mar '140
Apr '140
May '140
Jun '140
Jul '140
Aug '140
Sep '140
Oct '140
Nov '140
Dec '140
Jan '150
Feb '150
Mar '150
Apr '150
May '150
Jun '150
Jul '150
Aug '150
Sep '150
Oct '150
Nov '150
Dec '150
Jan '161
Feb '160
Mar '160
Apr '161
May '160
Jun '160
Jul '161
Aug '160
Sep '160
Oct '161
Nov '160
Dec '160
Jan '170
Feb '170
Mar '170
Apr '171
May '170
Jun '170
Jul '170
Aug '170
Sep '170
Oct '170
Nov '170
Dec '170
Jan '180
Feb '180
Mar '181
Apr '180
May '180
Jun '180
Jul '181
Aug '180
Sep '180
Oct '180
Nov '180
Dec '180
Jan '190
Feb '190
Mar '191
Apr '191
May '190
Jun '192
Jul '190
Aug '190
Sep '190
Oct '191
Nov '190
Dec '190
Jan '201
Feb '200
Mar '201
Apr '200
May '200
Jun '201
Jul '200
Aug '200
Sep '200
Oct '200
Nov '200
Dec '200
Jan '212
Feb '210
Mar '210
Apr '210
May '210
Jun '210
Jul '211
Aug '210
Sep '210
Oct '212
Nov '211
Dec '210
Jan '220
Feb '220
Mar '220
Apr '222
May '220
Jun '220
Jul '220
Aug '220
Sep '220
Oct '221
Nov '221
Dec '220
Jan '230
Feb '230
Mar '231
Apr '230
May '230
Jun '231
Jul '230
Aug '230
Sep '230
Oct '230
Nov '230
Dec '230
Jan '240
Feb '240
Mar '240
Apr '240
May '240
Jun '241
Jul '240
Aug '240
Sep '240
Oct '240
Nov '240
Dec '240
Jan '250
Feb '250
Mar '251
Apr '250
May '250
Jun '250
Jul '250
Aug '250
Sep '251
Oct '251
Nov '250
Dec '250
Jan '260
Feb '260
Mar '260
Apr '260
May '260
Jun '260
Jul '260
Aug '260
Sep '260
Oct '260

Sector Breakdown

Altitude Life Science Ventures: Health & Life Sciences is the largest displayed sector by deal count (36 deals).All available history.

A deal can appear in multiple sectors, so sector totals may overlap. Capital represents disclosed total round sizes, not fund cheque sizes.

Altitude Life Science Ventures: Health & Life Sciences is the largest displayed sector by deal count (36 deals). All available history
SectorDeals
Health & Life Sciences36
AI & Machine Learning5
Space & Frontier Tech5
Clean Energy & Sustainability2
Consumer & Lifestyle2
Hardware & Robotics1
Manufacturing1

Deal Size Distribution

Altitude Life Science Ventures: 37 rounds have a disclosed size in the displayed size bands.All available history.

Undisclosed round sizes are excluded. Capital represents total round sizes, not fund cheque sizes.

Altitude Life Science Ventures: 37 rounds have a disclosed size in the displayed size bands. All available history
Round size band (USD)Deals
<$5M0
$5M-$10M0
$10M-$25M6
$25M-$50M6
$50M-$100M12
$100M-$250M9
$250M-$500M3
$500M-$1B1
$1B+0

Deals By Geography

Altitude Life Science Ventures: United States has the largest recorded deal count among the displayed regions (37 deals).All available history.

Top 1 of 1 regions; European countries are grouped as Europe.

Altitude Life Science Ventures: United States has the largest recorded deal count among the displayed regions (37 deals). All available history
RegionDeals
United States37
Altitude Life Science Ventures: 20 co-investors are shown, with ARCH Venture Partners sharing 23 recorded deals.All available history.

Co-Investors

Bubble size = shared deals

Click a bubble to open that fund in a new tab.

Shows up to 20 co-investors ranked by shared deals. Deals may be shared with multiple funds, so rows overlap. Capital is total round size, not fund cheque size.

Altitude Life Science Ventures: 20 co-investors are shown, with ARCH Venture Partners sharing 23 recorded deals. All available history
Co-investorShared deals
ARCH Venture Partners23
Alexandria Venture Investments10
Flagship Pioneering8
Invus6
Partner Fund Management5
Alaska Permanent Fund4
F-Prime Capital4
Mubadala Capital4
Omega Funds4
T. Rowe Price Associates4
Venrock4
Abu Dhabi Investment Authority3
Alloy Ventures3
Biomatics Capital3
Fidelity Management & Research Company3
Google Ventures3
Lux Capital3
March Capital3
Osage University Partners3
Polaris Partners3

Investment Strategy

Altitude Life Science Ventures: Led accounts for 5% and participating for 95% of round participation.All available history.
Altitude Life Science Ventures: Led accounts for 5% and participating for 95% of round participation. All available history
CategoryDeals (count)Share (%)
Led25%
Participating3595%
Altitude Life Science Ventures: Single-lead accounts for 0% and co-led for 100% of lead dynamics.All available history.
Altitude Life Science Ventures: Single-lead accounts for 0% and co-led for 100% of lead dynamics. All available history
CategoryDeals (count)Share (%)
Single-lead00%
Co-led2100%

Team

Steve Johnson

Co-Founder and Partner