Funding profile · Point of care ultrasound

Lumius

A pre-seed Duke spinout out of Y Combinator’s Spring 2026 batch. Aggregators put around $500,000 raised. No SEC Form D for the company turned up in this research, so almost everything below rests on the company, an accelerator update, and one backer’s own account of why it invested.

$500KTotal raised, per Tracxn and Dealroom (2026)
5Named investors in one investor’s account: YC, FundersClub, Boost VC, Robinhood Ventures, Vento Ventures
$0Form D filings found for this company on SEC EDGAR
$370KARPA-H subcontract funding, claimed by one investor source only

Data as of September 25, 2026. Company and investor reported figures are labeled.

Rounds at a glance

When Round Amount Investors Source
Spring 2026 Y Combinator batch Not disclosed Y Combinator Accelerator
As of Jun 2026 Seed, still raising per Duke Not disclosed Not named by Duke University announcement
By Jun 2026 Seed, investors named in a backer’s post Not broken out Y Combinator, FundersClub, Boost VC, Robinhood Ventures, Vento Ventures, and 007 Venture Partners Investor-stated
By Jul 2026 Seed, as tracked by aggregators $500,000 total Not named Aggregator (Tracxn, Dealroom)

What the filings show

Nothing. No Form D notice for “Lumius,” “Lumius Imaging,” or “Lumius Imaging, Inc.” was found through SEC EDGAR company and full text search for this profile. That is not unusual for a company this early: a seed round built from an accelerator check plus a handful of angel and micro-VC investors can close under $5 million in ways that trigger a Form D only later, or the company may be relying on an exemption, a delayed filing, or a filer name that does not match the brand. Lumius Imaging, Inc. does appear in federal contractor registries (CAGE code 114D5, self-certified small disadvantaged business), but that registry shows no contract or award history, which is consistent with the absence of a direct NIH or NSF award to the company found elsewhere in this research.

Reading the public numbers

  1. Two aggregators, one number, no source shown.Tracxn and Dealroom both list $500,000 in total Lumius funding as of mid to late 2026, but neither publishes a filing, press release, or press report backing that figure, and the two platforms’ own detail tables show inconsistent or placeholder line items underneath the headline number.
  2. The investor list is one sided.The only place all five backers, Y Combinator, FundersClub, Boost VC, Robinhood Ventures, and Vento Ventures, are named together is a June 2026 blog post from 007 Venture Partners announcing that it, too, had invested. No press release, Form D, or second outlet corroborates that investor list independently.
  3. Duke says the round was still open in June 2026.The university’s own innovation center wrote that the founders were “currently raising their seed round” as of June 29, 2026, the same month the investor blog post describes money already committed. Read together, the round looks like it closed in pieces rather than as one announced event, which is typical for pre-seed rounds but makes the true total hard to pin down from outside.
  4. The non-dilutive funding claim is single sourced.007 Venture Partners cites “$370K in non-dilutive ARPA-H subcontract funding,” which would explain why no direct NIH or NSF SBIR award shows up under the company’s name, ARPA-H work is often passed through a prime contractor rather than awarded straight to a small subcontractor. This research found no independent confirmation of that subcontract.
  5. Letters of intent are not revenue.The same investor post cites “$5.7M in signed LOIs” from unnamed customers in surgical robotics and medical devices. A letter of intent is a non-binding expression of interest, not a purchase order or a contract, and none of the counterparties are named.

Commercial signals

Signal Detail Source type
Regulatory No 510(k), De Novo or PMA on record. Company states the device is under development and not FDA cleared. Not found
Team size 6 employees as of Jul 31, 2026, per Tracxn; YC lists 4 active founders. Aggregator
Federal registration Registered federal contractor, CAGE 114D5, self-certified small disadvantaged business, no award history on record. Public record
Pipeline claims “$5.7M in signed LOIs” and a roadmap to a Q3 2026 FDA pre-submission meeting, Q4 2026 internal launch, Q1 2027 comparative study, and Q1 2028 510(k) clearance target, all from one investor’s account. Investor-stated
Hiring Open engineering role posted at $120K to $160K salary plus 0.50% to 2.00% equity, based in Durham or remote from San Francisco or Seattle. Company-stated

What to watch

  • A first Form D for Lumius Imaging, Inc. or a related SPV, which would confirm round size and investor identity independently.
  • Whether the ARPA-H subcontract and LOI figures surface anywhere outside the single investor blog post.
  • A named lead investor and a closing date for the seed round.
  • Whether the Q3 2026 FDA pre-submission meeting an investor described actually happens on that timeline.

The Lumius story on Healthcare DiscoveryHealthcare Discovery

Related companies

  • SFA Therapeutics: Shared investor: Boost Vc. A Temple University spinout turning short chain fatty acids from the human gut into oral pills
  • iSono Health: Similar focus. A wearable, automated 3D breast ultrasound built to work outside the radiology suite
  • inSoma Bio: Also in Medical Devices. A liquid protein that sets into a scaffold at body temperature, injected together with a patient’s own liposuctioned fat
  • Shift Labs: Also in Medical Devices. A handheld monitor that counts the drops falling through an IV drip chamber and alarms when the rate drifts

Sources

  1. Public recordLUMIUS IMAGING, INC federal contractor registration, CAGE 114D5G2Xchange GovCon Directory · accessed Sep 25, 2026
  2. IndependentDuke Alumni Startup Lumius Imaging Accepted Into Y CombinatorChristensen Center for Innovation, Duke Pratt School of Engineering · Jun 29, 2026
  3. IndependentLumius company profileTracxn · accessed Jul 6, 2026
  4. IndependentLumius company profile and funding summaryDealroom.co · accessed Sep 2026
  5. AcceleratorLumius company page, jobs listingY Combinator · accessed Sep 25, 2026
  6. InvestorLumius: Fast, smart, accessible 3D ultrasound that anyone can use007 Venture Partners investor blog · Jun 26, 2026
  7. CompanyLumius Imaging funding analysisExtruct AI · Sep 18, 2026

Compiled from SEC, federal contractor registries and published reports as of September 25, 2026. No Form D notice for this company was found in the course of this research; figures not attributed to a public record come from the company, an accelerator, or a single investor and are labeled accordingly. Healthcare Venture Capital Fund holds no position in Lumius. This page is not an offer to sell or a recommendation to buy any security.