.406 Ventures
VC Fund
Boston, United States
.406 Ventures is an early-stage venture capital firm that invests in innovative Information Technology ("IT") and services companies founded by the finest entrepreneurs. They are a veteran team of industry entrepreneurs, operators and investors who apply real world experience, deep industry knowledge and networks, and strongcompany-building skills to create value for our entrepreneurs and investing partners. .406 Ventures typically are the lead, first institutional investor in early-stage and de novo investments in market-changing IT Security and Infrastructure, Technology-Enabled Business Services, and Next-Generation Software companies.
- Total investments:
- 211
- Last investment:
- Lead investor:
- 32%
- Fund size:
- $265M
- Last fund:
Last updated:
For AI agents: llms.txt
Industries .406 Ventures invests in
Stages .406 Ventures invests in
Countries .406 Ventures invests in
Contacts
| Name | Phone | Socials | |
|---|---|---|---|
Gregory Dracon
|
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Kathryn Taylor Reddy
|
|||
Kelci Horan
|
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Kevin Wang
|
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Liam Donohue
|
Investment Focus
Industry
- Health Care 31 (15%)
- Software 24 (11%)
- SaaS 18 (9%)
- Cyber Security 16 (8%)
- Artificial Intelligence 15 (7%)
Stage
- Series A 49 (23%)
- Series B 36 (17%)
- Series C 28 (13%)
- Seed 20 (9%)
- Funding Round 20 (9%)
Country
- United States 83 (39%)
- United Kingdom 2 (1%)
Team
| Name | Title | Investments | Links | |
|---|---|---|---|---|
|
Gregory Dracon
Partner
|
Partner | Total investments: 18 | Find email | |
|
Kathryn Taylor Reddy
Vice President
|
Vice President | Total investments: 3 | Find email | |
|
Kelci Horan
Office Manager & Executive Assistant
|
Office Manager & Executive Assistant | Total investments: 0 | Find email | |
|
Kevin Wang
Vice President
|
Vice President | Total investments: 5 | Find email | |
|
Liam Donohue
Co-Founder and Managing Partner
|
Co-Founder and Managing Partner | Total investments: 17 | Find email | |
| See all 9 team members → | ||||
Investments
| Company | Description | Round | Links |
|---|---|---|---|
InStride Health
|
InStride Health provides evidence-based OCD and anxiety treatment to keep kids and teenagers engaged along the way. | $30M / Series C / Jun 15, 2026 | |
Relai.ai
|
Relai.ai focuses on making AI models more dependable for critical applications. | $5.4M / Pre-Seed / Jun 10, 2026 | |
Big Health
|
Big Health is a digital therapeutics company that operates a digital healthcare portal to offer fully-automated and highly personalized digital therapeutics and behavioral programs for mental health issues. Its portal offers an online personalized medicine-care and prepares a sleep improvement program in consultation with medical professionals thatenable individuals to overcome their sleep-related disorders in an efficient manner. | $23.7M / Venture - Series Unknown / Feb 12, 2026 | |
Valerie Health
|
Valerie Health is the AI front office for independent provider groups. It embeds AI agents and human experts into a clinic’s existing systems to automate critical work, including referrals, faxes, and scheduling - improving patient conversion, accuracy, and visibility while lowering operating costs. Our mission is simple: help independent practicesthrive. | $30M / Series A / Dec 16, 2025 | |
FamilyWell Health
|
FamilyWell Health is a digital health company focused on integrating behavioral health services in Obstetric practices through a tech-enabled, peer-driven collaborative care approach. FamilyWell's mission is to provide equitable and affordable access to mental health services for pregnant and postpartum patients to address the growing maternalmental health crisis in the U.S. FamilyWell’s tech-enabled program includes in-person and virtual care from psychiatric consultants, licensed therapists, and certified health coaches that engage heavily with patients at several touch points in the perinatal journey, including through a peer-to-peer text message support hotline. | $8M / Series A / Nov 18, 2025 | |
|
FamilyWell Health
|
FamilyWell Health is a digital health company focused on integrating behavioral health services in Obstetric practices through a tech-enabled, peer-driven collaborative care approach. FamilyWell's mission is to provide equitable and affordable access to mental health services for pregnant and postpartum patients to address the growing maternalmental health crisis in the U.S. FamilyWell’s tech-enabled program includes in-person and virtual care from psychiatric consultants, licensed therapists, and certified health coaches that engage heavily with patients at several touch points in the perinatal journey, including through a peer-to-peer text message support hotline. | $8M / Series A / Nov 18, 2025 | |
RapidFire AI
|
RapidFire AI provides an agile deep learning development platform to accelerate AI development while reducing infrastructure costs | $4M / Pre-Seed / Sep 23, 2025 | |
Diana Health
|
Diana Health offers personalized women's healthcare services in maternity, gynecology, menopause, mental health, and wellness. It supports women at various life stages, from new to women’s health, through pregnancy and menopause, by addressing both everyday health needs and more complex concerns like abnormal bleeding, PCOS, pelvic pain, andsexual or urinary issues. Care is tailored through collaborative care teams that include OB/GYNs, Certified Nurse Midwives, and Nurse Practitioners, depending on the patient’s preferences and medical needs. Diana Health integrates physical, social, and emotional health into each care plan, using digital tools, longer appointments, and educational resources to make the care experience more personal. | $55M / Series C / Sep 11, 2025 | |
|
Diana Health
|
Diana Health offers personalized women's healthcare services in maternity, gynecology, menopause, mental health, and wellness. It supports women at various life stages, from new to women’s health, through pregnancy and menopause, by addressing both everyday health needs and more complex concerns like abnormal bleeding, PCOS, pelvic pain, andsexual or urinary issues. Care is tailored through collaborative care teams that include OB/GYNs, Certified Nurse Midwives, and Nurse Practitioners, depending on the patient’s preferences and medical needs. Diana Health integrates physical, social, and emotional health into each care plan, using digital tools, longer appointments, and educational resources to make the care experience more personal. | $55M / Series C / Sep 11, 2025 | |
Bluebird Kids Health
|
Bluebird Kids Health is launching a proprietary technology platform to proactively manage and coordinate treatment, with AI enhancing and simplifying the experience for its clinical team. | $31.5M / Series A / Mar 04, 2025 | |
| See all 211 investments → | |||
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FAQ
What does .406 Ventures invest in?
.406 Ventures invests primarily in Health Care, Software and SaaS startups, most often at Series A and Series B stage. Most of the 211 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.
How do I contact .406 Ventures?
Public channels for .406 Ventures include LinkedIn, X (Twitter) and the website linked on this profile. For a verified work email and phone number, create a free Shizune account — contact data is searched across 20+ sources and validated before delivery, so your outreach lands in the right inbox.
Who are the partners at .406 Ventures?
The team at .406 Ventures includes Gregory Dracon (Partner), Kathryn Taylor Reddy (Vice President) and Kelci Horan (Office Manager & Executive Assistant), among 9 team members tracked by Shizune. The Team section lists each member with their title, investment count and links.
Is Shizune's investor data accurate?
Yes — every stat on this profile is calculated from confirmed public funding rounds monitored across hundreds of sources since 2020. This profile was last refreshed in Aug 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.
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