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The Venture Codex

Polaris Partners

One Marina Park Drive 8th Floor, Boston, Massachusetts, 02210, United States

Overview

Investment firm focused on healthcare and biotechnology companies.

Founded

1996

Deals ยท 12mo

8

Links

WebsiteLinkedInX (Twitter)

Stage focus

Series A
Series B

Geographic focus

United States

Sector focus

Advice
Financial Services
Venture Capital

Investment portfolio

337rounds
NAMEDATESIZE
Faro AI, Inc.
Aug 2026Participated
$37 MSeries B
Cirrus Therapeutics
Aug 2026Participated
$15 MSeed
Tavo Biotherapeutics
Jun 2026Participated
$17 MSeries A
Crossbow Therapeutics
Mar 2026Participated
$77 MSeries B
Tropic Biosciences
Mar 2026Participated
$105 MSeries C
EpiBiologics
Jan 2026Participated
$107 MSeries B
Sovato
Nov 2025Participated
$41 MSeries B
Indomo
Nov 2025Participated
$25 MOther Equity
Cirrus Therapeutics
Oct 2025Participated
$11 MSeed
Cohere Health
May 2025Participated
$90 MSeries C
Leyden Labs
Jan 2025Led
$70 MOther Equity
FIRE1
Jan 2025Led
$120 MOther Equity
Faro AI, Inc.
Aug 2026Participated
$37 MSeries B
Cirrus Therapeutics
Aug 2026Participated
$15 MSeed
Tavo Biotherapeutics
Jun 2026Participated
$17 MSeries A
Crossbow Therapeutics
Mar 2026Participated
$77 MSeries B
Tropic Biosciences
Mar 2026Participated
$105 MSeries C
EpiBiologics
Jan 2026Participated
$107 MSeries B
Sovato
Nov 2025Participated
$41 MSeries B
Indomo
Nov 2025Participated
$25 MOther Equity
Cirrus Therapeutics
Oct 2025Participated
$11 MSeed
Cohere Health
May 2025Participated
$90 MSeries C
Leyden Labs
Jan 2025Led
$70 MOther Equity
FIRE1
Jan 2025Led
$120 MOther Equity
337
Items
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Insights

Time horizon

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Deal Distribution

Polaris Partners: 337 funding rounds are recorded in the selected participation categories.All available history.
Polaris Partners: 337 funding rounds are recorded in the selected participation categories. All available history
Round typeLed dealsParticipated deals
Seed1015
Series A3841
Series B2259
Series C+870
Other Equity2349
Debt11

Monthly Deal Activity

Polaris Partners: 337 deals are recorded across 240 months.All available history.
Polaris Partners: 337 deals are recorded across 240 months. All available history
MonthDeals
Nov '061
Dec '060
Jan '070
Feb '070
Mar '070
Apr '071
May '071
Jun '070
Jul '071
Aug '070
Sep '070
Oct '071
Nov '070
Dec '070
Jan '082
Feb '080
Mar '080
Apr '080
May '080
Jun '080
Jul '080
Aug '080
Sep '080
Oct '082
Nov '080
Dec '081
Jan '091
Feb '091
Mar '090
Apr '090
May '090
Jun '090
Jul '091
Aug '090
Sep '090
Oct '090
Nov '091
Dec '091
Jan '102
Feb '101
Mar '103
Apr '102
May '104
Jun '101
Jul '101
Aug '104
Sep '101
Oct '103
Nov '101
Dec '100
Jan '111
Feb '112
Mar '116
Apr '111
May '114
Jun '111
Jul '110
Aug '112
Sep '112
Oct '112
Nov '111
Dec '112
Jan '122
Feb '122
Mar '124
Apr '120
May '122
Jun '122
Jul '125
Aug '120
Sep '122
Oct '124
Nov '122
Dec '120
Jan '131
Feb '133
Mar '132
Apr '135
May '130
Jun '131
Jul '130
Aug '130
Sep '132
Oct '132
Nov '132
Dec '132
Jan '141
Feb '141
Mar '143
Apr '142
May '143
Jun '142
Jul '140
Aug '141
Sep '142
Oct '144
Nov '141
Dec '141
Jan '151
Feb '150
Mar '152
Apr '152
May '151
Jun '154
Jul '152
Aug '154
Sep '152
Oct '151
Nov '151
Dec '154
Jan '163
Feb '161
Mar '161
Apr '162
May '160
Jun '163
Jul '160
Aug '162
Sep '162
Oct '163
Nov '161
Dec '162
Jan '170
Feb '173
Mar '171
Apr '173
May '170
Jun '172
Jul '170
Aug '171
Sep '170
Oct '172
Nov '170
Dec '172
Jan '183
Feb '183
Mar '180
Apr '180
May '183
Jun '183
Jul '186
Aug '181
Sep '182
Oct '180
Nov '181
Dec '182
Jan '193
Feb '191
Mar '190
Apr '190
May '190
Jun '192
Jul '193
Aug '192
Sep '190
Oct '191
Nov '190
Dec '192
Jan '201
Feb '202
Mar '202
Apr '202
May '202
Jun '200
Jul '203
Aug '204
Sep '202
Oct '204
Nov '202
Dec '202
Jan '212
Feb '212
Mar '214
Apr '214
May '216
Jun '216
Jul '214
Aug '211
Sep '211
Oct '213
Nov '212
Dec '211
Jan '220
Feb '223
Mar '222
Apr '221
May '220
Jun '223
Jul '223
Aug '220
Sep '221
Oct '222
Nov '221
Dec '221
Jan '230
Feb '230
Mar '232
Apr '230
May '230
Jun '230
Jul '231
Aug '230
Sep '230
Oct '232
Nov '230
Dec '233
Jan '241
Feb '242
Mar '242
Apr '240
May '242
Jun '241
Jul '240
Aug '242
Sep '240
Oct '241
Nov '241
Dec '242
Jan '252
Feb '250
Mar '250
Apr '250
May '251
Jun '250
Jul '250
Aug '250
Sep '250
Oct '251
Nov '252
Dec '250
Jan '261
Feb '260
Mar '262
Apr '260
May '260
Jun '261
Jul '260
Aug '262
Sep '260
Oct '260

Sector Breakdown

Polaris Partners: Health & Life Sciences is the largest displayed sector by deal count (238 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.

Polaris Partners: Health & Life Sciences is the largest displayed sector by deal count (238 deals). All available history
SectorDeals
Health & Life Sciences238
Enterprise Software55
Networks, Cloud & Communication46
Data, Analytics & IT25
Professional Services22
E-Commerce & Retail21
Marketing & Advertising20
AI & Machine Learning16
Space & Frontier Tech14
Fintech13
Consumer & Lifestyle11
Food & Agriculture11
Cybersecurity & Privacy10
Manufacturing10
Media & Entertainment9
Social & Community Platforms9
Hardware & Robotics8
Developer Tools8
Clean Energy & Sustainability7
Education & Workforce4
Travel & Hospitality2
Transportation & Logistics2
Government & Defense1
Real Estate & Construction1

Deal Size Distribution

Polaris Partners: 337 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.

Polaris Partners: 337 rounds have a disclosed size in the displayed size bands. All available history
Round size band (USD)Deals
<$5M33
$5M-$10M34
$10M-$25M102
$25M-$50M72
$50M-$100M50
$100M-$250M41
$250M-$500M5
$500M-$1B0
$1B+0

Deals By Geography

Polaris Partners: United States has the largest recorded deal count among the displayed regions (308 deals).All available history.

Top 3 of 3 regions; European countries are grouped as Europe.

Polaris Partners: United States has the largest recorded deal count among the displayed regions (308 deals). All available history
RegionDeals
United States308
Europe25
Singapore4
Polaris Partners: 20 co-investors are shown, with Google Ventures sharing 35 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.

Polaris Partners: 20 co-investors are shown, with Google Ventures sharing 35 recorded deals. All available history
Co-investorShared deals
Google Ventures35
ARCH Venture Partners32
Alexandria Venture Investments25
Flagship Ventures25
Invus19
OrbiMed19
F-Prime Capital18
Lux Capital16
RA Capital Management16
Andreessen Horowitz15
Omega Funds14
.406 Ventures13
Casdin Capital12
EcoR1 Capital12
Fidelity Management & Research Company12
Johnson & Johnson Innovation12
Eli Lilly and Company11
General Catalyst10
Perceptive Advisors10
Pfizer Ventures10

Investment Strategy

Polaris Partners: Led accounts for 30% and participating for 70% of round participation.All available history.
Polaris Partners: Led accounts for 30% and participating for 70% of round participation. All available history
CategoryDeals (count)Share (%)
Led10230%
Participating23570%
Polaris Partners: Single-lead accounts for 56% and co-led for 44% of lead dynamics.All available history.
Polaris Partners: Single-lead accounts for 56% and co-led for 44% of lead dynamics. All available history
CategoryDeals (count)Share (%)
Single-lead5756%
Co-led4544%

Team

Amir Nashat

Managing Partner

Brian Chee

Managing Partner

Bryce Youngren

Managing Partner

David Barrett

Managing Partner

Jannah Boudreaux

Analyst

Joanne Trayers

Executive Assistant

Jon Flint

Founding Partner

mark jacobson

Vice President

Nil Gural
Steve Arnold

Co-Founder and Partner Emeritus

Terrance McGuire

Founding Partner