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The Venture Codex

Leslie Ventures

770 Westridge Drive, Portola Valley, CA, 94028, United States

Overview

Private investment company.

Founded

2001

Deals · 12mo

1

Links

LinkedIn

Stage focus

Seed
Series A

Geographic focus

United Kingdom
United States

Sector focus

—

Investment portfolio

11rounds
NAMEDATESIZE
Milvus Advanced
Oct 2025Participated
$7 MSeed
SimpliContract
Apr 2023Participated
$4 MSeries A
Elevian
Sep 2021Participated
$40 MSeries A
Ahana
Aug 2021Participated
$20 MSeries A
Kleeen Software
Feb 2021Participated
$4 MSeed
Zadar Labs
Jan 2021Participated
$6 MSeed
Osso VR
Sep 2020Participated
$14 MSeries A
Ahana
Jun 2020Participated
$2 MSeed
HeartVista
Apr 2020Led
$9 MSeries A
Arevo
May 2018Participated
$13 MSeries B
Vera
May 2017Participated
$15 MOther Equity
Milvus Advanced
Oct 2025Participated
$7 MSeed
SimpliContract
Apr 2023Participated
$4 MSeries A
Elevian
Sep 2021Participated
$40 MSeries A
Ahana
Aug 2021Participated
$20 MSeries A
Kleeen Software
Feb 2021Participated
$4 MSeed
Zadar Labs
Jan 2021Participated
$6 MSeed
Osso VR
Sep 2020Participated
$14 MSeries A
Ahana
Jun 2020Participated
$2 MSeed
HeartVista
Apr 2020Led
$9 MSeries A
Arevo
May 2018Participated
$13 MSeries B
Vera
May 2017Participated
$15 MOther Equity
11
Items
Browse all public portfolio deals

Insights

Time horizon

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Deal Distribution

Leslie Ventures: 11 funding rounds are recorded in the selected participation categories.All available history.
Leslie Ventures: 11 funding rounds are recorded in the selected participation categories. All available history
Round typeLed dealsParticipated deals
Seed04
Series A14
Series B01
Other Equity01

Monthly Deal Activity

Leslie Ventures: 11 deals are recorded across 114 months.All available history.
Leslie Ventures: 11 deals are recorded across 114 months. All available history
MonthDeals
May '171
Jun '170
Jul '170
Aug '170
Sep '170
Oct '170
Nov '170
Dec '170
Jan '180
Feb '180
Mar '180
Apr '180
May '181
Jun '180
Jul '180
Aug '180
Sep '180
Oct '180
Nov '180
Dec '180
Jan '190
Feb '190
Mar '190
Apr '190
May '190
Jun '190
Jul '190
Aug '190
Sep '190
Oct '190
Nov '190
Dec '190
Jan '200
Feb '200
Mar '200
Apr '201
May '200
Jun '201
Jul '200
Aug '200
Sep '201
Oct '200
Nov '200
Dec '200
Jan '211
Feb '211
Mar '210
Apr '210
May '210
Jun '210
Jul '210
Aug '211
Sep '211
Oct '210
Nov '210
Dec '210
Jan '220
Feb '220
Mar '220
Apr '220
May '220
Jun '220
Jul '220
Aug '220
Sep '220
Oct '220
Nov '220
Dec '220
Jan '230
Feb '230
Mar '230
Apr '231
May '230
Jun '230
Jul '230
Aug '230
Sep '230
Oct '230
Nov '230
Dec '230
Jan '240
Feb '240
Mar '240
Apr '240
May '240
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 '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

Leslie Ventures: AI & Machine Learning is the largest displayed sector by deal count (4 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.

Leslie Ventures: AI & Machine Learning is the largest displayed sector by deal count (4 deals). All available history
SectorDeals
AI & Machine Learning4
Health & Life Sciences3
Enterprise Software2
Data, Analytics & IT2
Space & Frontier Tech2
Hardware & Robotics2
Manufacturing2
Education & Workforce1
Cybersecurity & Privacy1
AR/VR1
Clean Energy & Sustainability1
Transportation & Logistics1
Consumer & Lifestyle1
Professional Services1
Developer Tools1

Deal Size Distribution

Leslie Ventures: 11 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.

Leslie Ventures: 11 rounds have a disclosed size in the displayed size bands. All available history
Round size band (USD)Deals
<$5M3
$5M-$10M3
$10M-$25M4
$25M-$50M1
$50M-$100M0
$100M-$250M0
$250M-$500M0
$500M-$1B0
$1B+0

Deals By Geography

Leslie Ventures: United States has the largest recorded deal count among the displayed regions (10 deals).All available history.

Top 2 of 2 regions; European countries are grouped as Europe.

Leslie Ventures: United States has the largest recorded deal count among the displayed regions (10 deals). All available history
RegionDeals
United States10
Europe1
Leslie Ventures: 20 co-investors are shown, with Google Ventures sharing 2 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.

Leslie Ventures: 20 co-investors are shown, with Google Ventures sharing 2 recorded deals. All available history
Co-investorShared deals
Google Ventures2
Khosla Ventures2
AI Fund1
Amplify Partners1
Asahi Glass1
Battery Ventures1
Bluebirds Capital1
Bold Capital1
Capital One Ventures1
Clear Venture Partners1
CrunchFund1
Emergent Ventures1
EQT Foundation1
First Rays Venture Partners1
Foster Ventures1
GSR1
Hasso Plattner Ventures1
Hoxton Ventures1
JK Family Office1
Kaiser Permanente Ventures1

Investment Strategy

Leslie Ventures: Led accounts for 9% and participating for 91% of round participation.All available history.
Leslie Ventures: Led accounts for 9% and participating for 91% of round participation. All available history
CategoryDeals (count)Share (%)
Led19%
Participating1091%
Leslie Ventures: Single-lead accounts for 0% and co-led for 100% of lead dynamics.All available history.
Leslie Ventures: Single-lead accounts for 0% and co-led for 100% of lead dynamics. All available history
CategoryDeals (count)Share (%)
Single-lead00%
Co-led1100%

Team

Mark Leslie

Managing Director