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The Venture Codex

25Madison

817 Broadway, 7th Floor, New York, NY, 10003, United States

Overview

Early-stage venture platform building and investing in startups.

Founded

2018

Deals ยท 12mo

4

Links

WebsiteLinkedInX (Twitter)

Stage focus

Seed
Series A

Geographic focus

United States

Sector focus

Consumer Applications
Consumer Software
FinTech
Health Care
...

Investment portfolio

21rounds
NAMEDATESIZE
Rebuild
Sep 2026Participated
$13 MSeed
Century Health
May 2026Participated
$5 MSeed
Ranger AI
May 2026Participated
$8 MSeed
Miravoice
Apr 2026Participated
$6 MSeed
Ovasave
Aug 2025Led
$1 MSeed
Handspring Health
Jun 2025Participated
$12 MSeries A
Kouper
May 2025Participated
$10 MOther Equity
Paxton
Jan 2025Participated
$22 MSeries A
Wilya
Jun 2024Participated
$4 MSeed
Paxton
Sep 2023Participated
$6 MSeed
Croissant
Jul 2023Participated
$24 MSeed
TCARE
Oct 2022Participated
$17 MSeries A
Rebuild
Sep 2026Participated
$13 MSeed
Century Health
May 2026Participated
$5 MSeed
Ranger AI
May 2026Participated
$8 MSeed
Miravoice
Apr 2026Participated
$6 MSeed
Ovasave
Aug 2025Led
$1 MSeed
Handspring Health
Jun 2025Participated
$12 MSeries A
Kouper
May 2025Participated
$10 MOther Equity
Paxton
Jan 2025Participated
$22 MSeries A
Wilya
Jun 2024Participated
$4 MSeed
Paxton
Sep 2023Participated
$6 MSeed
Croissant
Jul 2023Participated
$24 MSeed
TCARE
Oct 2022Participated
$17 MSeries A
21
Items
...
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Insights

Time horizon

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Deal Distribution

25Madison: 21 funding rounds are recorded in the selected participation categories.All available history.
25Madison: 21 funding rounds are recorded in the selected participation categories. All available history
Round typeLed dealsParticipated deals
Seed410
Series A05
Other Equity11

Monthly Deal Activity

25Madison: 21 deals are recorded across 99 months.All available history.
25Madison: 21 deals are recorded across 99 months. All available history
MonthDeals
Aug '181
Sep '180
Oct '180
Nov '180
Dec '180
Jan '190
Feb '190
Mar '190
Apr '190
May '191
Jun '191
Jul '190
Aug '190
Sep '190
Oct '190
Nov '190
Dec '190
Jan '200
Feb '200
Mar '200
Apr '200
May '200
Jun '200
Jul '202
Aug '200
Sep '200
Oct '200
Nov '200
Dec '200
Jan '210
Feb '210
Mar '210
Apr '210
May '211
Jun '210
Jul '210
Aug '210
Sep '210
Oct '210
Nov '210
Dec '210
Jan '220
Feb '220
Mar '220
Apr '220
May '221
Jun '220
Jul '220
Aug '221
Sep '221
Oct '221
Nov '220
Dec '220
Jan '230
Feb '230
Mar '230
Apr '230
May '230
Jun '230
Jul '231
Aug '230
Sep '231
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 '251
Feb '250
Mar '250
Apr '250
May '251
Jun '251
Jul '250
Aug '251
Sep '250
Oct '250
Nov '250
Dec '250
Jan '260
Feb '260
Mar '260
Apr '261
May '262
Jun '260
Jul '260
Aug '260
Sep '261
Oct '260

Sector Breakdown

25Madison: AI & Machine Learning is the largest displayed sector by deal count (8 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.

25Madison: AI & Machine Learning is the largest displayed sector by deal count (8 deals). All available history
SectorDeals
AI & Machine Learning8
Health & Life Sciences6
Enterprise Software5
Food & Agriculture4
Data, Analytics & IT2
Consumer & Lifestyle2
Marketing & Advertising2
Media & Entertainment2
Professional Services2
Travel & Hospitality1
E-Commerce & Retail1
Real Estate & Construction1
Transportation & Logistics1
Networks, Cloud & Communication1
Fintech1
Manufacturing1
Social & Community Platforms1
Developer Tools1

Deal Size Distribution

25Madison: 21 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.

25Madison: 21 rounds have a disclosed size in the displayed size bands. All available history
Round size band (USD)Deals
<$5M8
$5M-$10M7
$10M-$25M6
$25M-$50M0
$50M-$100M0
$100M-$250M0
$250M-$500M0
$500M-$1B0
$1B+0

Deals By Geography

25Madison: United States has the largest recorded deal count among the displayed regions (17 deals).All available history.

Top 5 of 5 regions; European countries are grouped as Europe.

25Madison: United States has the largest recorded deal count among the displayed regions (17 deals). All available history
RegionDeals
United States17
904051
Israel1
Europe1
United Arab Emirates1
25Madison: 20 co-investors are shown, with Plug and Play Ventures sharing 3 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.

25Madison: 20 co-investors are shown, with Plug and Play Ventures sharing 3 recorded deals. All available history
Co-investorShared deals
Plug and Play Ventures3
Arkitekt Ventures2
Bonfire Ventures2
Kyber Knight2
Lightbank2
Newark Venture Partners2
NextView Ventures2
Unusual Ventures2
WVV Capital2
2048 Ventures1
Aflac Ventures1
AI Fund1
Alumni Ventures1
American Family Ventures1
AnD Ventures1
Annex Investments1
Aria Growth Partners1
Asymmetric Capital Partners1
BCD Travel1
Bessemer Venture Partners1

Investment Strategy

25Madison: Led accounts for 24% and participating for 76% of round participation.All available history.
25Madison: Led accounts for 24% and participating for 76% of round participation. All available history
CategoryDeals (count)Share (%)
Led524%
Participating1676%
25Madison: Single-lead accounts for 80% and co-led for 20% of lead dynamics.All available history.
25Madison: Single-lead accounts for 80% and co-led for 20% of lead dynamics. All available history
CategoryDeals (count)Share (%)
Single-lead480%
Co-led120%

Team

Gary Ginsberg

Co-Founder

Grant Silow

Managing Director

Kirk Posmantur

Co-Founder and CMO

Lance West

Co-Founder

Matt Fremont-Smith

Co-Founder and COO

Michael Lynton

Co-Founder

Ryan Macy

Head Of Engineering

Sara Garson

Director

Steven Price

Co-Founder and CEO