Fundraising Fox

VenoStent

YC S20

Houston, US · Founded 2017 · Delaware corporation · 17 employees · 10 known investors

SelfWrap develops bioabsorbable wrap materials for vascular grafts that conform to individual patient anatomy and are designed to be absorbed by the body, unlike alloy-based alternatives. The company is developing the product for coronary and peripheral bypass grafting applications.

BiotechDigital HealthHealthtechMedical Devices3D PrintingUnited States of AmericaAmerica / Canada

Founders & leadership· Y Combinator alumni (S20)

VenoStent was founded in 2017 by Tim Boire and Geoffrey Lucks.

TBTim Boire
Tim BoireinCo-founder · President and CEOTim Boire holds a BS in Chemical & Biological Engineering and Biotechnology from Tufts University and a PhD in Biomedical Engineering from Vanderbilt University, where he developed smart polymeric biomaterials for vascular applications. He worked in R&D at Genzyme Corporation before founding VenoStent, which applies these materials to hemodialysis access.
GLGeoffrey Lucks
Geoffrey LucksinCOO and CofounderHe holds an MBA from Vanderbilt, a Master's degree in Bioethics from the University of Pennsylvania, and an undergraduate degree from the University of Wisconsin-Madison.

Board

JW
Joel WhitleyBoard director
JM
Jim MonsorBoard director
RCRobert Crutchfield
Robert CrutchfieldBoard directorOperating Partner at Good Growth Capital

Investors · 10

Reported raises · per SEC filings

Form D private placements

$29.2M disclosed across 6 rounds · 2018–2026

$10MraisedMay 2026 · 29 investors · Other Health Care
Rule 506(b)
Officers, directors & promoters on the filing
  • Geoffrey LucksExecutive Officer, Director
  • Joel WhitleyDirector
  • Timothy BoireExecutive Officer, Director
  • Jim MonsorDirector
  • Robert CrutchfieldDirector
Offering amount
$10M
Amount sold
$10M
Minimum investment
$10K
First sale
Apr 2026
Incorporated
Corporation, Delaware
Federal exemptions
06b
Full filing on SEC EDGAR ↗
$16.1MraisedJul 2023 · 60 investors · Other Health Care
Rule 506(b)
Officers, directors & promoters on the filing
  • Joel WhitleyDirector
  • Timothy BoireExecutive Officer, Director
  • Jim MonsorDirector
  • Geoffrey LucksExecutive Officer, Director
  • Robert CrutchfieldDirector
Offering amount
$21.2M
Amount sold
$16.1M
First sale
Jul 2023
Incorporated
Corporation, Delaware
Federal exemptions
06b
Full filing on SEC EDGAR ↗
$2.2MraisedFeb 2021 · 24 investors · Other Health Care
Rule 506(b)
Officers, directors & promoters on the filing
  • Timothy BoireExecutive Officer, Director
  • Kulika WeizmanDirector
  • Geoffrey LucksExecutive Officer, Director
Offering amount
$3M
Amount sold
$2.2M
First sale
Jan 2021
Incorporated
Corporation, Delaware, 2017
Federal exemptions
06b
Full filing on SEC EDGAR ↗
$515KraisedJun 2020 · 16 investors · Other Health Care
Rule 506(b)
Officers, directors & promoters on the filing
  • Geoffrey LucksExecutive Officer, Director
  • Timothy BoireExecutive Officer, Director
Offering amount
$535K
Amount sold
$515K
First sale
May 2020
Incorporated
Corporation, Delaware, 2017
Federal exemptions
06b
Full filing on SEC EDGAR ↗
$263.9KraisedJul 2019 · 8 investors · Other Health Care
Rule 506(b)
Officers, directors & promoters on the filing
  • Geoffrey LucksExecutive Officer, Director
  • Timothy BoireExecutive Officer, Director
Offering amount
$300K
Amount sold
$263.9K
Minimum investment
$10K
First sale
Jun 2019
Incorporated
Corporation, Delaware, 2017
Federal exemptions
06b
Full filing on SEC EDGAR ↗
$70KraisedMar 2018 · 4 investors · Other Health Care
Rule 506(b)
Officers, directors & promoters on the filing
  • Geoffrey LucksExecutive Officer, Director
  • Timothy BoireExecutive Officer, Director
Offering amount
$400K
Amount sold
$70K
First sale
Mar 2018
Incorporated
Corporation, Delaware, 2017
Federal exemptions
06b
Full filing on SEC EDGAR ↗

Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.

Competitors · 7

by search overlap
Venova Medical9 shared keywordsVenova Medical develops the Velocity percutaneous arteriovenous fistula system, a minimally invasive medical device designed to create vascular access for hemodialysis patients more efficiently than traditional surgical methods. The system addresses barriers to AVF creation and maturation, targeting patients with chronic kidney disease who require dialysis access.
Boston Scientific9 shared keywordsBoston Scientific supports external researcher-initiated studies through its Investigator Sponsored Research program, which funds independent investigations addressing disease understanding and treatment gaps of interest to the medical community.
Vantis Vascular8 shared keywordsVantis Vascular develops vascular intervention technology, including the CrossFast integrated vascular delivery system with an auto-locking inner monorail microcatheter and outer delivery catheter for complex PCI procedures. Founded by physicians, the company is also developing next-generation intravascular lithotripsy (IVL) and peripheral below-the-knee (BTK) solutions for vascular interventionalists.</parameter> <parameter name="founders">[{"full_name": "Jason Turner", "title": "Chief Executive Officer"}, {"full_name": "Tim Fischell", "title": "Chief Medical Officer"}, {"full_name": "Frank Saltiel", "title": "Chief Clinical Officer"}, {"full_name": "Gary McCord", "title": "Chief Commercial Officer"}, {"full_name": "Mike Mirizzi", "title": "Chief Technology Officer"}, {"full_name": "Marc Monahan", "title": "Chief Financial Officer"}]</parameter> <parameter name="hq_city">San Jose
Intervene Inc8 shared keywordsInterVene, Inc. is a medical device company that has developed a fully integrated mechanical thrombectomy system to treat venous in-stent restenosis and residual thrombotic venous obstructions and occlusions. Its technology targets venous disease conditions such as postthrombotic syndrome that current therapies fail to address.
Innova Vascular7 shared keywordsInnova Vascular is a medical device company focused on the vascular space, led by a founder with a background in developing and commercializing vascular medical devices. The page provides limited detail about the company's specific products.
AngioDynamics7 shared keywordsAngioDynamics develops and manufactures medical devices aimed at treating serious diseases and improving patient outcomes. Founded in 1988, the company serves healthcare professionals and operates globally across North America, Europe, the Middle East, and South America.
Vesalio6 shared keywordsVesalio develops thrombectomy devices, including its enVast system used in cardiovascular procedures such as PCI. The company works in the medical device field, running clinical trials to evaluate the safety and effectiveness of its products.

Companies competing with VenoStent for the same Google search keywords, organic and paid, via search-intersection analysis.

Non-dilutive funding · 3 SBIR/STTR awards

Federal grants — no equity taken
AgencyPhaseYearAmount
National Institutes of Health (NIH)National Institutes of HealthPhase ISTTR2020$299.9K
National Science FoundationPhase II2019$744.2K
National Science FoundationPhase ISTTR2018$224.5K

Source: SBIR.gov award data (U.S. Small Business Administration). SBIR/STTR awards are competitive federal R&D grants and contracts — non-dilutive capital alongside any venture rounds above.

In the news

Frequently asked questions

What does VenoStent do?
SelfWrap develops bioabsorbable wrap materials for vascular grafts that conform to individual patient anatomy and are designed to be absorbed by the body, unlike alloy-based alternatives. The company is developing the product for coronary and peripheral bypass grafting applications.
Who founded VenoStent?
VenoStent was founded by Tim Boire, Geoffrey Lucks in 2017.
Who are VenoStent's investors?
VenoStent's investors include Creative Ventures, Good Growth Capital, Health Wildcatters, Kube VC, Norwest Venture Partners, Texas HALO Fund, TMC Venture Fund, Wealthing VC Club and 2 more.
How much funding has VenoStent raised?
VenoStent has disclosed $29.2M raised across 6 rounds.
Where is VenoStent headquartered?
VenoStent is headquartered in Houston, US.