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The Venture Codex

Overview

Venture capital firm investing in life sciences innovations.

Founded

1986

Deals ยท 12mo

28

Stage focus

Series A
Series B

Geographic focus

United States

Sector focus

Finance
Financial Services
Venture Capital

Investment portfolio

308rounds
NAMEDATESIZE
Oratomic
Oct 2026Led
$475 MSeries B
Ramona Optics
Sep 2026Led
$25 MSeries A
Encoded Therapeutics
Sep 2026Participated
$275 MSeries F
Moonwalk Biosciences
Sep 2026Participated
$70 MSeries B
Happy Health
Aug 2026Led
$15 MSeries A
LifeMine Therapeutics
Aug 2026Participated
$188 MSeries E
Oratomic
Jul 2026Led
$300 MSeries A
Trase
Jun 2026Led
$107 MSeed
Ollin Biosciences
Jun 2026Led
$330 MSeries B
Project Prometheus
Jun 2026Participated
$12.0 BSeries B
City Therapeutics
Jun 2026Participated
$100 MSeries B
Countable Labs
May 2026Led
$26 MOther Equity
Oratomic
Oct 2026Led
$475 MSeries B
Ramona Optics
Sep 2026Led
$25 MSeries A
Encoded Therapeutics
Sep 2026Participated
$275 MSeries F
Moonwalk Biosciences
Sep 2026Participated
$70 MSeries B
Happy Health
Aug 2026Led
$15 MSeries A
LifeMine Therapeutics
Aug 2026Participated
$188 MSeries E
Oratomic
Jul 2026Led
$300 MSeries A
Trase
Jun 2026Led
$107 MSeed
Ollin Biosciences
Jun 2026Led
$330 MSeries B
Project Prometheus
Jun 2026Participated
$12.0 BSeries B
City Therapeutics
Jun 2026Participated
$100 MSeries B
Countable Labs
May 2026Led
$26 MOther Equity
308
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Deal Distribution

ARCH Venture Partners: 308 funding rounds are recorded in the selected participation categories.All available history.
ARCH Venture Partners: 308 funding rounds are recorded in the selected participation categories. All available history
Round typeLed dealsParticipated deals
Seed46
Series A5348
Series B2565
Series C+655
Other Equity1630

Monthly Deal Activity

ARCH Venture Partners: 308 deals are recorded across 241 months.All available history.
ARCH Venture Partners: 308 deals are recorded across 241 months. All available history
MonthDeals
Oct '061
Nov '060
Dec '060
Jan '070
Feb '070
Mar '071
Apr '070
May '070
Jun '070
Jul '070
Aug '070
Sep '070
Oct '070
Nov '070
Dec '070
Jan '080
Feb '080
Mar '080
Apr '080
May '080
Jun '080
Jul '080
Aug '080
Sep '080
Oct '080
Nov '080
Dec '080
Jan '090
Feb '090
Mar '090
Apr '091
May '090
Jun '090
Jul '090
Aug '090
Sep '090
Oct '090
Nov '093
Dec '090
Jan '101
Feb '100
Mar '100
Apr '102
May '100
Jun '101
Jul '101
Aug '102
Sep '100
Oct '102
Nov '100
Dec '100
Jan '111
Feb '110
Mar '110
Apr '111
May '110
Jun '112
Jul '110
Aug '112
Sep '114
Oct '111
Nov '111
Dec '111
Jan '120
Feb '121
Mar '120
Apr '120
May '120
Jun '120
Jul '123
Aug '120
Sep '120
Oct '120
Nov '121
Dec '120
Jan '130
Feb '130
Mar '131
Apr '132
May '130
Jun '130
Jul '130
Aug '130
Sep '130
Oct '133
Nov '130
Dec '131
Jan '140
Feb '140
Mar '141
Apr '141
May '142
Jun '140
Jul '140
Aug '140
Sep '141
Oct '141
Nov '140
Dec '140
Jan '151
Feb '151
Mar '152
Apr '151
May '152
Jun '152
Jul '152
Aug '153
Sep '151
Oct '152
Nov '151
Dec '150
Jan '166
Feb '160
Mar '161
Apr '161
May '162
Jun '160
Jul '162
Aug '160
Sep '161
Oct '164
Nov '161
Dec '161
Jan '171
Feb '171
Mar '174
Apr '171
May '171
Jun '171
Jul '171
Aug '173
Sep '171
Oct '171
Nov '173
Dec '171
Jan '182
Feb '180
Mar '182
Apr '180
May '185
Jun '183
Jul '183
Aug '183
Sep '182
Oct '181
Nov '180
Dec '180
Jan '190
Feb '192
Mar '191
Apr '194
May '194
Jun '193
Jul '192
Aug '190
Sep '191
Oct '190
Nov '191
Dec '192
Jan '203
Feb '202
Mar '201
Apr '203
May '202
Jun '204
Jul '202
Aug '200
Sep '204
Oct '201
Nov '200
Dec '203
Jan '212
Feb '211
Mar '213
Apr '215
May '212
Jun '211
Jul '212
Aug '212
Sep '212
Oct '212
Nov '213
Dec '210
Jan '221
Feb '222
Mar '222
Apr '222
May '222
Jun '221
Jul '222
Aug '224
Sep '224
Oct '221
Nov '223
Dec '224
Jan '232
Feb '232
Mar '233
Apr '232
May '233
Jun '232
Jul '230
Aug '232
Sep '233
Oct '230
Nov '231
Dec '231
Jan '245
Feb '243
Mar '243
Apr '243
May '240
Jun '243
Jul '242
Aug '241
Sep '242
Oct '245
Nov '241
Dec '241
Jan '254
Feb '250
Mar '250
Apr '251
May '251
Jun '250
Jul '251
Aug '250
Sep '252
Oct '252
Nov '254
Dec '252
Jan '263
Feb '262
Mar '260
Apr '262
May '262
Jun '264
Jul '261
Aug '262
Sep '263
Oct '261

Sector Breakdown

ARCH Venture Partners: Health & Life Sciences is the largest displayed sector by deal count (283 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.

ARCH Venture Partners: Health & Life Sciences is the largest displayed sector by deal count (283 deals). All available history
SectorDeals
Health & Life Sciences283
Space & Frontier Tech34
AI & Machine Learning22
Networks, Cloud & Communication15
Enterprise Software14
Hardware & Robotics14
Consumer & Lifestyle12
Manufacturing12
Clean Energy & Sustainability9
Data, Analytics & IT6
Government & Defense4
AR/VR4
Food & Agriculture4
Professional Services3
Marketing & Advertising2
Crypto & Blockchain1
Media & Entertainment1
Social & Community Platforms1

Deal Size Distribution

ARCH Venture Partners: 308 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.

ARCH Venture Partners: 308 rounds have a disclosed size in the displayed size bands. All available history
Round size band (USD)Deals
<$5M9
$5M-$10M10
$10M-$25M53
$25M-$50M70
$50M-$100M81
$100M-$250M61
$250M-$500M20
$500M-$1B2
$1B+2

Deals By Geography

ARCH Venture Partners: United States has the largest recorded deal count among the displayed regions (282 deals).All available history.

Top 6 of 6 regions; European countries are grouped as Europe.

ARCH Venture Partners: United States has the largest recorded deal count among the displayed regions (282 deals). All available history
RegionDeals
United States282
Europe17
China5
India2
Singapore1
Canada1
ARCH Venture Partners: 20 co-investors are shown, with Alexandria Venture Investments sharing 62 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.

Investment Strategy

ARCH Venture Partners: Led accounts for 34% and participating for 66% of round participation.All available history.
ARCH Venture Partners: Led accounts for 34% and participating for 66% of round participation. All available history
CategoryDeals (count)Share (%)
Led10434%
Participating20466%
ARCH Venture Partners: Single-lead accounts for 35% and co-led for 65% of lead dynamics.All available history.
ARCH Venture Partners: Single-lead accounts for 35% and co-led for 65% of lead dynamics. All available history
CategoryDeals (count)Share (%)
Single-lead3635%
Co-led6865%

Team

Brian Cuneo

Chief Business & Legal Officer

Cindy Bayley

Affiliate

Clinton Bybee

Co-Founder and Managing Director

Corey Ritter

Business Management

Hong Hou

Venture Partner

Keith Crandell

Founder and Managing Director

Kristina Burow

Managing Director

Mark McDonnell

Managing Director, Chief Financial and Chief Administrative Officer

Richard Heyman

BOD Member

Robert Nelsen

Co-Founder & Managing Director

Steven Gillis

Managing Director

Steven Lazarus

Co-founder and Managing Director, Emeritus Chicago