The Venture Codex Logo

The Venture Codex

.406 Ventures

470 Atlantic Avenue, 12th Floor, Boston, Massachusetts, 02210, United States

Overview

Early-stage venture capital firm investing in innovative IT companies.

Founded

2005

Deals ยท 12mo

10

Links

WebsiteLinkedInX (Twitter)

Stage focus

Series A
Series B

Geographic focus

United States

Sector focus

Financial Services
Impact Investing
Venture Capital

Investment portfolio

169rounds
NAMEDATESIZE
AblePay Health
Oct 2026Participated
$20 MSeries A
Arboretum
Oct 2026Participated
$30 MSeries A
Vitalize
Oct 2026Participated
$31 MSeries A
Teal Health
Sep 2026Led
$22 MSeries A
Mindgard
Aug 2026Participated
$30 MSeries A
InStride Health
Jun 2026Participated
$30 MSeries C
Relai
Jun 2026Led
$5 MSeed
Big Health
Feb 2026Led
$24 MOther Equity
Valerie Health
Dec 2025Participated
$30 MSeries A
FamilyWell Health
Nov 2025Participated
$8 MSeries A
Diana Health
Sep 2025Participated
$55 MSeries C
Bluebird Kids Health
Mar 2025Led
$32 MOther Equity
AblePay Health
Oct 2026Participated
$20 MSeries A
Arboretum
Oct 2026Participated
$30 MSeries A
Vitalize
Oct 2026Participated
$31 MSeries A
Teal Health
Sep 2026Led
$22 MSeries A
Mindgard
Aug 2026Participated
$30 MSeries A
InStride Health
Jun 2026Participated
$30 MSeries C
Relai
Jun 2026Led
$5 MSeed
Big Health
Feb 2026Led
$24 MOther Equity
Valerie Health
Dec 2025Participated
$30 MSeries A
FamilyWell Health
Nov 2025Participated
$8 MSeries A
Diana Health
Sep 2025Participated
$55 MSeries C
Bluebird Kids Health
Mar 2025Led
$32 MOther Equity
169
Items
...
Browse all public portfolio deals

Insights

Time horizon

View by

Deal Distribution

.406 Ventures: 169 funding rounds are recorded in the selected participation categories.All available history.
.406 Ventures: 169 funding rounds are recorded in the selected participation categories. All available history
Round typeLed dealsParticipated deals
Seed125
Series A2618
Series B034
Series C+231
Other Equity1624
Debt01

Monthly Deal Activity

.406 Ventures: 169 deals are recorded across 216 months.All available history.
.406 Ventures: 169 deals are recorded across 216 months. All available history
MonthDeals
Nov '081
Dec '080
Jan '090
Feb '090
Mar '090
Apr '090
May '090
Jun '090
Jul '090
Aug '090
Sep '090
Oct '090
Nov '090
Dec '091
Jan '100
Feb '102
Mar '100
Apr '100
May '100
Jun '100
Jul '100
Aug '101
Sep '100
Oct '100
Nov '100
Dec '100
Jan '110
Feb '111
Mar '110
Apr '112
May '111
Jun '110
Jul '110
Aug '111
Sep '110
Oct '110
Nov '111
Dec '110
Jan '120
Feb '121
Mar '120
Apr '122
May '120
Jun '121
Jul '122
Aug '120
Sep '120
Oct '120
Nov '121
Dec '120
Jan '130
Feb '130
Mar '131
Apr '131
May '131
Jun '131
Jul '131
Aug '130
Sep '131
Oct '130
Nov '130
Dec '130
Jan '140
Feb '141
Mar '141
Apr '140
May '140
Jun '143
Jul '141
Aug '141
Sep '140
Oct '141
Nov '141
Dec '140
Jan '154
Feb '152
Mar '151
Apr '151
May '150
Jun '151
Jul '151
Aug '150
Sep '152
Oct '153
Nov '150
Dec '150
Jan '160
Feb '164
Mar '160
Apr '161
May '162
Jun '160
Jul '162
Aug '161
Sep '160
Oct '162
Nov '161
Dec '160
Jan '171
Feb '171
Mar '170
Apr '172
May '170
Jun '172
Jul '170
Aug '171
Sep '171
Oct '172
Nov '171
Dec '170
Jan '181
Feb '181
Mar '180
Apr '181
May '184
Jun '181
Jul '182
Aug '180
Sep '180
Oct '181
Nov '183
Dec '180
Jan '190
Feb '190
Mar '191
Apr '191
May '191
Jun '192
Jul '190
Aug '192
Sep '190
Oct '191
Nov '190
Dec '191
Jan '203
Feb '202
Mar '201
Apr '200
May '200
Jun '201
Jul '201
Aug '200
Sep '201
Oct '202
Nov '201
Dec '203
Jan '211
Feb '212
Mar '211
Apr '211
May '211
Jun '213
Jul '210
Aug '212
Sep '213
Oct '210
Nov '211
Dec '210
Jan '221
Feb '223
Mar '221
Apr '220
May '220
Jun '222
Jul '220
Aug '221
Sep '220
Oct '220
Nov '220
Dec '223
Jan '230
Feb '230
Mar '230
Apr '232
May '230
Jun '232
Jul '231
Aug '233
Sep '230
Oct '231
Nov '231
Dec '230
Jan '240
Feb '241
Mar '242
Apr '240
May '241
Jun '243
Jul '240
Aug '240
Sep '240
Oct '240
Nov '240
Dec '241
Jan '251
Feb '252
Mar '251
Apr '250
May '250
Jun '250
Jul '250
Aug '250
Sep '251
Oct '250
Nov '251
Dec '251
Jan '260
Feb '261
Mar '260
Apr '260
May '260
Jun '262
Jul '260
Aug '261
Sep '261
Oct '263

Sector Breakdown

.406 Ventures: Enterprise Software is the largest displayed sector by deal count (75 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.

.406 Ventures: Enterprise Software is the largest displayed sector by deal count (75 deals). All available history
SectorDeals
Enterprise Software75
Health & Life Sciences70
Cybersecurity & Privacy42
Data, Analytics & IT40
Networks, Cloud & Communication31
AI & Machine Learning26
Professional Services22
Fintech21
Developer Tools15
Media & Entertainment9
Hardware & Robotics8
Marketing & Advertising7
E-Commerce & Retail6
Consumer & Lifestyle6
Real Estate & Construction3
Manufacturing2
Social & Community Platforms2
Education & Workforce1
Government & Defense1
Clean Energy & Sustainability1
Space & Frontier Tech1

Deal Size Distribution

.406 Ventures: 169 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.

.406 Ventures: 169 rounds have a disclosed size in the displayed size bands. All available history
Round size band (USD)Deals
<$5M22
$5M-$10M34
$10M-$25M56
$25M-$50M37
$50M-$100M16
$100M-$250M4
$250M-$500M0
$500M-$1B0
$1B+0

Deals By Geography

.406 Ventures: United States has the largest recorded deal count among the displayed regions (162 deals).All available history.

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

.406 Ventures: United States has the largest recorded deal count among the displayed regions (162 deals). All available history
RegionDeals
United States162
Indonesia4
Europe2
94114-25121
.406 Ventures: 20 co-investors are shown, with F-Prime Capital sharing 18 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.

.406 Ventures: 20 co-investors are shown, with F-Prime Capital sharing 18 recorded deals. All available history
Co-investorShared deals
F-Prime Capital18
RRE Ventures15
Polaris Partners13
BlueCross BlueShield Venture Partners11
Accomplice9
Optum Ventures8
Sandbox Industries8
Echo Health Ventures6
First Round6
Flare Capital Partners6
Sapphire Ventures6
AlleyCorp5
Atlas Venture5
Bain Capital Ventures5
Crosslink Capital5
Eight Roads Ventures5
Founders Fund5
General Catalyst5
HLM Venture Partners5
Kleiner Perkins5

Investment Strategy

.406 Ventures: Led accounts for 33% and participating for 67% of round participation.All available history.
.406 Ventures: Led accounts for 33% and participating for 67% of round participation. All available history
CategoryDeals (count)Share (%)
Led5633%
Participating11367%
.406 Ventures: Single-lead accounts for 43% and co-led for 57% of lead dynamics.All available history.
.406 Ventures: Single-lead accounts for 43% and co-led for 57% of lead dynamics. All available history
CategoryDeals (count)Share (%)
Single-lead2443%
Co-led3257%

Team

Graham Brooks

Partner

Greg Dracon

Partner

Kathryn Reddy

Principal

Kelci Horan

Office Manager & Executive Assistant

Kevin Wang

Vice President

Liam Donohue

Co-Founder and Managing Partner

Maria Cirino

Co-Founder and Managing Partner

Shail Jain

Entrepreneur In Residence

So-June Min

Chief Financial Officer