Endovascular Engineering Funding, Investors & Competitors

Endovascular Engineering has raised $137M across 3 funding rounds, most recently a $80M Series C in April 2026.

Last Endovascular Engineering funding round

$80M

Series C · Apr 2026

Cumulative funding Endovascular Engineering raised

$137M

across 3 funding rounds

Key investors in Endovascular Engineering

  • Sante Ventures
  • S3 Ventures
  • Panakes Partners
  • 415 Capital
  • M&L Healthcare Investments
  • Cordis
  • Norwest
  • Gilde Healthcare

Endovascular Engineering Overview

About Endovascular Engineering

Endovascular Engineering is a preclinical-stage medtech firm developing mechanical thrombectomy devices for peripheral vascular conditions. Its technologies target venous thromboembolism, including deep vein thrombosis and pulmonary embolism. The company engineers clot retrieval systems to improve treatment outcomes for patients with challenging blockages. Operating from the United States, Endovascular Engineering equips interventional specialists with tools optimized for rapid vessel recanalization.


Founded

2019

HQ

United StatesSan Francisco, CA

Status

Privately held

Customer focus

B2B

Revenue model

Product sales

Endovascular Engineering Funding History

Endovascular Engineering has raised a total of $137M across 3 funding rounds.

Endovascular Engineering's first fundraising round was a $15M Series A in April 2022. The most recent completed round was a $80M Series C in April 2026.

Endovascular Engineering funding rounds

Endovascular Engineering funding rounds
DateStageInvestorsRaisedDeal Summary
Apr 2026Series CGilde Healthcare (lead); Norwest (lead); Panakes Partners; S3 Ventures; Sante Ventures; 415 Capital; M&L Healthcare Investments$80M-
Feb 2025Series B415 Capital (lead); S3 Ventures (lead); Panakes Partners; Cordis; Sante Ventures; M&L Healthcare Investments$42MEndovascular Engineering, Inc. (E2), based in Menlo Park, California, develops next-generation clot removal technology for venous thromboembolism (VTE), focusing on pulmonary embolism (PE) treatment. Its Hēlo PE Thrombectomy System features a patented dual-action mechanism combining powerful aspiration with mechanical clot disruption via a self-expanding funnel and high-speed agitator, enabling efficient single-pass clot removal through a small-profile catheter mimicking large-bore performance. E2 raised $42 million in an oversubscribed Series B financing round co-led by 415 Capital and S3 Ventures, with participation from Panakès Partners, M&L Healthcare Investments, Santé Ventures, Cordis, and two undisclosed global strategic investors. The funding accelerates advancement of its VTE platform, particularly supporting completion of enrollment in the ENGULF pivotal trial evaluating the Hēlo PE System toward FDA approval and establishing a new standard in mechanical thrombectomy. The round validates E2's technology and clinical progress, as noted by investors including Dr. Ruben Osnabrugge of 415 Capital and Brian R. Smith of S3 Ventures, who joined the board. CEO Dan Rose highlighted the financing's role in revolutionizing PE treatment, the third leading cause of cardiovascular death.
Apr 2022Series ACordis (lead); Sante Ventures (lead)$15MEndovascular Engineering (E2), based in Menlo Park, California, develops next-generation thrombectomy devices to treat Deep Vein Thrombosis (DVT) and Pulmonary Embolism (PE). The company, founded in 2019 by Dr. Luis Savastano, focuses on novel mechanical thrombectomy solutions for peripheral indications. On April 5, 2022, E2 closed a $15 million Series A1 financing round co-led by Santé Ventures and Cordis, with participation from another strategic investor. The proceeds support advancing the thrombectomy platform through initial clinical evaluation. E2 remained preclinical at the time of the Series A1 round. Subsequent funding included a $42 million oversubscribed Series B in February 2025 co-led by 415 Capital and S3 Ventures, with participation from Panakès Partners, M&L Healthcare, Santé Ventures, Cordis, and others, to advance the Hēlo PE thrombectomy system and complete the ENGULF pivotal trial.

Who has invested in Endovascular Engineering?

8 investors have backed Endovascular Engineering across its funding rounds, including Sante Ventures, S3 Ventures, Panakes Partners, 415 Capital, M&L Healthcare Investments and Cordis.

Lead investors include Gilde Healthcare, Norwest, 415 Capital, S3 Ventures, Cordis and 1 other investor.


Endovascular Engineering Investors

Investors in Endovascular Engineering by funding rounds participated
InvestorHQRoundsRoleFirst check
Sante VenturesUnited StatesAustin, TX3LeadApr 2022
Panakes PartnersItalyMilan2ParticipantFeb 2025
S3 VenturesUnited StatesAustin, TX2LeadFeb 2025
CordisUnited StatesMiami, FL2LeadApr 2022
415 CapitalGermanyGermany2LeadFeb 2025
M&L Healthcare InvestmentsSingaporeSingapore2ParticipantFeb 2025

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Endovascular Engineering Competitors

Endovascular Engineering competitors include listed companies like Johnson & Johnson and Roche, and private ones like Biosplice Therapeutics, Biomat USA, ArsenalBio and BioRay Pharmaceuticals.

Public and private companies comparable to Endovascular Engineering
CompanyHQStatusRevenueEBITDAValuationRevenue Multiple
Johnson & JohnsonUnited StatesUnited StatesPublicly listed$94B$40B$651B6.8x
RocheSwitzerlandSwitzerlandPublicly listed$77B$26B$351B4.9x
Biosplice TherapeuticsUnited StatesSan Diego, CAPrivate--$12B-
Biomat USAUnited StatesLos Angeles, CAPrivate--$4.2B-
ArsenalBioUnited StatesUnited StatesPrivate--$1.9B-
BioRay PharmaceuticalsChinaShanghaiPrivate$131M-$1.9B14.5x

Endovascular Engineering Public Comps

Endovascular Engineering is still privately-owned, but its public comps include Samsung, Eli Lilly, Johnson & Johnson, AbbVie, Merck, Roche, Novartis, AstraZeneca, Thermo Fisher Scientific and Siemens.

Last FYEV/RevenueEV/EBITDA
RevenueEBITDALast FYLTM2027ELast FYLTM2027E
Samsung$243B$67B4.4x2.4x15.8x4.4x
Eli Lilly$65B$28B16.5x13.1x38.7x27.0x
Johnson & Johnson$94B$40B7.2x6.8x17.0x18.3x
AbbVie$61B$17B8.7x8.1x30.6x17.6x
Merck$65B$28B6.3x6.2x14.7x21.0x
Roche$77B$26B5.0x4.9x14.6x12.4x
Novartis$57B$22B5.5x5.5x14.2x13.3x
AstraZeneca$59B$19B4.8x4.5x14.6x12.7x

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Common questions about Endovascular Engineering

When was Endovascular Engineering founded?Endovascular Engineering was founded in 2019.
Where is Endovascular Engineering headquartered?Endovascular Engineering is headquartered in San Francisco, CA, United States.
Is Endovascular Engineering publicly listed?No, Endovascular Engineering is a private, VC-backed company.
How much funding has Endovascular Engineering raised?Endovascular Engineering has raised $137M across 3 funding rounds.
What was Endovascular Engineering's last funding round?Endovascular Engineering's last funding round was a $80M Series C in April 2026, led by Gilde Healthcare and Norwest.
Who are Endovascular Engineering's investors?Endovascular Engineering's investors include Sante Ventures, Panakes Partners, S3 Ventures, Cordis, 415 Capital, M&L Healthcare Investments, Gilde Healthcare and Norwest.
Which companies are comparable to Endovascular Engineering?Companies comparable to Endovascular Engineering include Johnson & Johnson, Roche, Biosplice Therapeutics, Biomat USA, ArsenalBio and BioRay Pharmaceuticals.

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