SeLux Diagnostics Funding, Investors & Competitors

SeLux Diagnostics has raised $156M across 5 funding rounds, most recently a $48M Series D in April 2024.

Last SeLux Diagnostics funding round

$48M

Series D · Apr 2024

Cumulative funding SeLux Diagnostics raised

$156M

across 5 funding rounds

Key investors in SeLux Diagnostics

  • Northpond Ventures
  • RA Capital Management
  • Sands Capital Ventures
  • Schooner Capital

SeLux Diagnostics Overview

About SeLux Diagnostics

SeLux Diagnostics is a Boston-based developer of rapid phenotyping platforms for antimicrobial susceptibility testing. The system delivers personalized therapy results in hours for bloodstream infections, aiding hospitals in combating antibiotic resistance through precise pathogen identification and drug matching.


Founded

2014

HQ

United StatesBoston, MA

Status

Privately held

Customer focus

B2B

Revenue model

Product sales

SeLux Diagnostics Funding History

SeLux Diagnostics has raised a total of $156M across 5 funding rounds.

SeLux Diagnostics' first fundraising round was a $24M undisclosed-stage round in April 2018. The most recent completed round was a $48M Series D in April 2024.

SeLux Diagnostics funding rounds

SeLux Diagnostics funding rounds
DateStageInvestorsRaisedDeal Summary
Apr 2024Series DRA Capital Management (lead); Northpond Ventures; Sands Capital Ventures; Schooner Capital$48MSelux Diagnostics, Inc. is a Boston-based biotech startup developing the Selux Next Generation Phenotyping (NGP) System, a single-platform rapid antimicrobial susceptibility testing (AST) technology aimed at combating superbug infections and antimicrobial resistance (AMR) by accelerating personalized antimicrobial therapy selection. The NGP System delivers AST results in hours for both isolated colonies and positive blood cultures, following three FDA 510(k) clearances, including one for the direct from Positive Blood Culture Separator earlier in 2024. On April 1, 2024, Selux announced an additional $48 million in funding led by RA Capital Management, with participation from Northpond Ventures, Sands Capital, and Schooner Capital, to support the next phase of commercialization of the NGP System in the United States. This round brings the company's total funding to $112.6 million, following prior raises including a $50 million Series C in February 2022 and a $14.6 million round in June 2021. The funding coincides with the company's advancements in FDA-cleared components like the Positive Blood Culture Separator, Inoculator, Analyzer, and Gram Negative and Gram Positive Panels. Selux positions its technology as transformative for patient care, aiming to save lives, shorten hospital stays, and reduce overuse of broad-spectrum antibiotics.
Feb 2022Series CRA Capital Management (lead); Northpond Ventures; Sands Capital Ventures; Schooner Capital$50MSeLux Diagnostics is a personalized diagnostics company developing a Next-Generation Phenotyping (NGP) rapid Antimicrobial Susceptibility Testing (AST) platform to combat superbug infections and antibiotic resistance. The platform enables same-shift AST results, allowing physicians to prescribe optimal antibiotics 3-5 days sooner than traditional methods, reducing hospital stays and antibiotic overuse. On February 28, 2022, the company closed a $50 million Series C funding round led by RA Capital Management, with participation from Northpond Ventures, Sands Capital Ventures, and Schooner Capital. The proceeds support the U.S. commercial launch of the NGP platform and building out the commercial team. SeLux Diagnostics, headquartered in Cambridge, Massachusetts, positions its technology as a faster and more sensitive alternative to traditional ELISA assays, with applications in point-of-care testing matching clinical lab sensitivity. Prior to the Series C, the company raised $25 million in Series B and received a $2.8 million NIH grant along with a milestone-based BARDA contract up to $45 million. The February 2022 round is listed among multiple funding activities, contributing to a total of over $161 million across 11 rounds by 2024. Subsequent developments include another Series C tranche of $48 million in February 2024 led by RA Capital Management and $40 million in convertible debt in February 2024. The company's focus remains on transforming infectious disease care through high-throughput AST with an extensive antibiotic test menu.
Aug 2019Series BNorthpond Ventures (lead)$9M-
Dec 2018Series BSands Capital Ventures (lead); Northpond Ventures; Schooner Capital; RA Capital Management$25MSeLux Diagnostics, based in Charlestown, Massachusetts, develops a Next Generation Phenotyping (NGP) platform for rapid and accurate antibiotic susceptibility testing to enable personalized therapies for infectious diseases, addressing antibiotic resistance by improving patient outcomes and reducing hospital stays. Founded in 2014 by Yale Ph.D.s Eric Stern and Aleksandar Vacic, the company focuses on sepsis diagnostics and has received FDA clearance for its platform, positioning it as a leader in high-throughput, rapid phenotyping. In late 2018, around December 12, SeLux raised $25 million in Series B financing, led by Sands Capital Ventures with participation from RA Capital Management, Schooner Capital, and new investor Northpond Ventures, to support the pivotal FDA trial for its NGP platform. This round matched the investors and lead specified in the query. Concurrently, on September 25, 2018, SeLux signed a BARDA contract worth up to $45 million, with $9.3 million received immediately for clinical trials and further funds for second-generation diagnostics development. The company has continued raising capital post-2018, including a $50 million Series C in 2022 and a $48 million Series D on April 1, 2024, led by RA Capital Management with the same co-investors: Northpond Ventures, Sands Capital, and Schooner Capital, bringing total funding to over $241 million across 12 rounds.
Apr 2018Undisclosed stageNorthpond Ventures$24MSeLux Diagnostics is a Boston-based biotechnology company founded in 2014, developing the Next Generation Phenotyping (NGP) platform to enable rapid and accurate antibiotic susceptibility testing (AST) for personalized treatment of infectious diseases, particularly combating antimicrobial resistance and superbugs. The platform aims to deliver results from positive blood cultures or isolated colonies within hours, reducing reliance on broad-spectrum antibiotics and shortening hospital stays. Around October 2018, corresponding to the approximate date of the queried round involving Northpond Ventures, SeLux announced a $25 million Series B financing round led by Sands Capital Ventures, with participation from returning investors RA Capital and Schooner Capital, new investor Sands Capital, and Northpond Ventures. This funding supported the pivotal FDA trial for the NGP platform. Additionally, on September 25, 2018, SeLux signed a milestone-based contract worth up to $45 million with BARDA, with an immediate $9.3 million to fund clinical trials and further amounts for second-generation sepsis diagnostics development. SeLux has continued raising capital in subsequent years, including a Series C of $50 million in February 2022 from Northpond Ventures, RA Capital Management, Sands Capital, and Schooner Capital, and a Series D of $48 million in April 2024 led by RA Capital with the same co-investors, totaling over $241 million across multiple rounds to advance commercialization of the NGP system, which has received multiple FDA 510(k) clearances.

Who has invested in SeLux Diagnostics?

4 investors have backed SeLux Diagnostics across its funding rounds, including Northpond Ventures, RA Capital Management, Sands Capital Ventures and Schooner Capital.

Lead investors include RA Capital Management, Northpond Ventures and Sands Capital Ventures.


SeLux Diagnostics Investors

Investors in SeLux Diagnostics by funding rounds participated
InvestorHQRoundsRoleFirst check
Northpond VenturesUnited StatesWashington, DC5LeadApr 2018
Sands Capital VenturesUnited StatesWashington, DC3LeadDec 2018

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Benchmark 350K+ Funding Rounds and Disclosed VC Valuation Multiples

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SeLux Diagnostics Competitors

SeLux Diagnostics competitors include listed companies like CareDx, GeneDx, SOPHiA Genetics and Natera, and private ones like MedGenome and uBiome.

Public and private companies comparable to SeLux Diagnostics
CompanyHQStatusRevenueEBITDAValuationRevenue Multiple
CareDxUnited StatesUnited StatesPublicly listed$380M($10M)$2.8B5.3x
MedGenomeIndiaBangalorePrivate--$950M-
uBiomeUnited StatesSan Francisco, CAPrivate--$298M-
GeneDxUnited StatesUnited StatesPublicly listed$428M$7M$3.1B6.8x
SOPHiA GeneticsSwitzerlandSwitzerlandPublicly listed$77M($65M)$726M7.5x
NateraUnited StatesUnited StatesPublicly listed$2.3B($266M)$53B19.0x

SeLux Diagnostics Public Comps

SeLux Diagnostics is still privately-owned, but its public comps include Roche, Natera, IQVIA, Illumina, Guardant Health, Revvity, Solventum, Tempus AI, ICON plc and Twist Bioscience.

Last FYEV/RevenueEV/EBITDA
RevenueEBITDALast FYLTM2027ELast FYLTM2027E
Roche$77B$26B5.0x4.9x14.6x12.4x
Natera$2.3B($266M)22.5x19.0x(195.0x)(261.5x)
IQVIA$16B$3.4B3.6x3.4x17.2x14.8x
Illumina$4.3B$1.4B8.8x8.4x27.1x30.0x
Guardant Health$982M($408M)25.7x20.2x(61.8x)(129.5x)
Revvity$2.9B$735M6.5x6.6x25.4x21.0x
Solventum$8.3B$2.5B2.4x2.4x7.8x8.9x
Tempus AI$1.3B($131M)12.0x10.1x(116.0x)346.0x

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Common questions about SeLux Diagnostics

When was SeLux Diagnostics founded?SeLux Diagnostics was founded in 2014.
Where is SeLux Diagnostics headquartered?SeLux Diagnostics is headquartered in Boston, MA, United States.
Is SeLux Diagnostics publicly listed?No, SeLux Diagnostics is a private, VC-backed company.
How much funding has SeLux Diagnostics raised?SeLux Diagnostics has raised $156M across 5 funding rounds.
What was SeLux Diagnostics' last funding round?SeLux Diagnostics' last funding round was a $48M Series D in April 2024, led by RA Capital Management.
Who are SeLux Diagnostics' investors?SeLux Diagnostics' investors include Northpond Ventures, Sands Capital Ventures, Schooner Capital and RA Capital Management.
Which companies are comparable to SeLux Diagnostics?Companies comparable to SeLux Diagnostics include CareDx, MedGenome, uBiome, GeneDx, SOPHiA Genetics and Natera.

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