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The Venture Codex

New Leaf Venture Partners

156 Fifth Avenue, Suite 820, New York, NY, 10010, United States

Overview

Venture capital firm investing in healthcare technology.

Founded

2005

Deals ยท 12mo

2

Links

WebsiteLinkedInX (Twitter)

Stage focus

Series B
Series C

Geographic focus

United Kingdom
United States

Sector focus

Finance
Financial Services
Venture Capital

Investment portfolio

99rounds
NAMEDATESIZE
Abcuro
Aug 2026Led
$66 MSeries D
BrightInsight
Jan 2026Participated
$13 MOther Equity
Truveris
May 2024Led
$15 MSeries E
Qlaris Bio
Apr 2024Led
$24 MSeries B
Flosonics
Mar 2024Led
$20 MSeries C
Star Therapeutics
Sep 2023Participated
$90 MSeries C
Arine
Aug 2022Participated
$29 MSeries B
Star Therapeutics
Feb 2022Participated
$100 MOther Equity
Electra Therapeutics
Feb 2022Participated
$84 MSeries B
Asimily
Nov 2021Participated
$10 MOther Equity
Dice Therapeutics
Aug 2021Participated
$60 MSeries C
Cleerly
Jun 2021Participated
$43 MSeries B
Abcuro
Aug 2026Led
$66 MSeries D
BrightInsight
Jan 2026Participated
$13 MOther Equity
Truveris
May 2024Led
$15 MSeries E
Qlaris Bio
Apr 2024Led
$24 MSeries B
Flosonics
Mar 2024Led
$20 MSeries C
Star Therapeutics
Sep 2023Participated
$90 MSeries C
Arine
Aug 2022Participated
$29 MSeries B
Star Therapeutics
Feb 2022Participated
$100 MOther Equity
Electra Therapeutics
Feb 2022Participated
$84 MSeries B
Asimily
Nov 2021Participated
$10 MOther Equity
Dice Therapeutics
Aug 2021Participated
$60 MSeries C
Cleerly
Jun 2021Participated
$43 MSeries B
99
Items
...
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Insights

Time horizon

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Deal Distribution

New Leaf Venture Partners: 99 funding rounds are recorded in the selected participation categories.All available history.
New Leaf Venture Partners: 99 funding rounds are recorded in the selected participation categories. All available history
Round typeLed dealsParticipated deals
Series A76
Series B720
Series C+927
Other Equity419

Monthly Deal Activity

New Leaf Venture Partners: 99 deals are recorded across 241 months.All available history.
New Leaf Venture Partners: 99 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 '071
Jul '070
Aug '070
Sep '070
Oct '071
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 '091
Feb '091
Mar '091
Apr '090
May '090
Jun '091
Jul '090
Aug '090
Sep '090
Oct '091
Nov '090
Dec '091
Jan '100
Feb '102
Mar '100
Apr '101
May '100
Jun '101
Jul '100
Aug '100
Sep '101
Oct '102
Nov '100
Dec '100
Jan '110
Feb '113
Mar '110
Apr '110
May '112
Jun '110
Jul '110
Aug '110
Sep '111
Oct '110
Nov '110
Dec '111
Jan '120
Feb '121
Mar '120
Apr '120
May '120
Jun '122
Jul '121
Aug '121
Sep '121
Oct '121
Nov '123
Dec '120
Jan '131
Feb '130
Mar '131
Apr '131
May '130
Jun '130
Jul '131
Aug '130
Sep '130
Oct '131
Nov '130
Dec '130
Jan '141
Feb '141
Mar '140
Apr '141
May '141
Jun '141
Jul '140
Aug '140
Sep '140
Oct '140
Nov '140
Dec '141
Jan '151
Feb '150
Mar '150
Apr '151
May '150
Jun '152
Jul '150
Aug '152
Sep '151
Oct '151
Nov '150
Dec '151
Jan '161
Feb '160
Mar '161
Apr '160
May '161
Jun '162
Jul '160
Aug '160
Sep '160
Oct '160
Nov '160
Dec '160
Jan '170
Feb '170
Mar '170
Apr '170
May '173
Jun '172
Jul '170
Aug '170
Sep '171
Oct '170
Nov '170
Dec '171
Jan '180
Feb '180
Mar '180
Apr '182
May '181
Jun '180
Jul '181
Aug '181
Sep '180
Oct '181
Nov '181
Dec '180
Jan '190
Feb '191
Mar '190
Apr '190
May '190
Jun '190
Jul '190
Aug '191
Sep '193
Oct '190
Nov '191
Dec '190
Jan '200
Feb '200
Mar '200
Apr '200
May '201
Jun '201
Jul '201
Aug '201
Sep '200
Oct '200
Nov '200
Dec '200
Jan '211
Feb '210
Mar '211
Apr '210
May '211
Jun '212
Jul '210
Aug '211
Sep '210
Oct '210
Nov '211
Dec '210
Jan '220
Feb '222
Mar '220
Apr '220
May '220
Jun '220
Jul '220
Aug '221
Sep '220
Oct '220
Nov '220
Dec '220
Jan '230
Feb '230
Mar '230
Apr '230
May '230
Jun '230
Jul '230
Aug '230
Sep '231
Oct '230
Nov '230
Dec '230
Jan '240
Feb '240
Mar '241
Apr '241
May '241
Jun '240
Jul '240
Aug '240
Sep '240
Oct '240
Nov '240
Dec '240
Jan '250
Feb '250
Mar '250
Apr '250
May '250
Jun '250
Jul '250
Aug '250
Sep '250
Oct '250
Nov '250
Dec '250
Jan '261
Feb '260
Mar '260
Apr '260
May '260
Jun '260
Jul '260
Aug '261
Sep '260
Oct '260

Sector Breakdown

New Leaf Venture Partners: Health & Life Sciences is the largest displayed sector by deal count (97 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.

New Leaf Venture Partners: Health & Life Sciences is the largest displayed sector by deal count (97 deals). All available history
SectorDeals
Health & Life Sciences97
Enterprise Software10
Data, Analytics & IT7
Space & Frontier Tech6
Manufacturing5
AI & Machine Learning5
Consumer & Lifestyle2
Networks, Cloud & Communication2
Professional Services2
Hardware & Robotics1
Cybersecurity & Privacy1
E-Commerce & Retail1
Social & Community Platforms1

Deal Size Distribution

New Leaf Venture Partners: 99 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.

New Leaf Venture Partners: 99 rounds have a disclosed size in the displayed size bands. All available history
Round size band (USD)Deals
<$5M0
$5M-$10M2
$10M-$25M33
$25M-$50M29
$50M-$100M27
$100M-$250M8
$250M-$500M0
$500M-$1B0
$1B+0

Deals By Geography

New Leaf Venture Partners: United States has the largest recorded deal count among the displayed regions (90 deals).All available history.

Top 4 of 4 regions; European countries are grouped as Europe.

New Leaf Venture Partners: United States has the largest recorded deal count among the displayed regions (90 deals). All available history
RegionDeals
United States90
Europe7
Canada1
Israel1
New Leaf Venture Partners: 20 co-investors are shown, with OrbiMed sharing 19 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.

New Leaf Venture Partners: 20 co-investors are shown, with OrbiMed sharing 19 recorded deals. All available history
Co-investorShared deals
OrbiMed19
Canaan Partners13
5AM Ventures10
RA Capital Management9
Sofinnova Ventures9
Frazier Healthcare Partners8
SV Health Investors8
Redmile Group6
U.S. Venture Partners6
Cormorant Asset Management5
Sands Capital5
Tribeca Venture Partners5
Venrock5
Aisling Capital4
Arix Bioscience4
Bay City Capital4
Clarus Ventures4
Easton Capital4
Eclipse Ventures4
Kaiser Permanente Ventures4

Investment Strategy

New Leaf Venture Partners: Led accounts for 27% and participating for 73% of round participation.All available history.
New Leaf Venture Partners: Led accounts for 27% and participating for 73% of round participation. All available history
CategoryDeals (count)Share (%)
Led2727%
Participating7273%
New Leaf Venture Partners: Single-lead accounts for 70% and co-led for 30% of lead dynamics.All available history.
New Leaf Venture Partners: Single-lead accounts for 70% and co-led for 30% of lead dynamics. All available history
CategoryDeals (count)Share (%)
Single-lead1970%
Co-led830%

Team

Craig Slutzkin

CFO & COO

James Niedel

Managing Director

Liam Ratcliffe

Managing Director

Rebecca Luse

Vice President & Principal

Ron Hunt

Managing Director

Vijay Lathi

Managing Director