VOLUMETRIX, LLC

NASHVILLE, TN · Medtech · Private

Non-invasive venous waveform analysis (NIVA) device and algorithm for monitoring intravascular volume status in heart failure patients

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Updated Oct 23, 2026 · volumetrix.com

Sector: Medtech
Headquarters: NASHVILLE, TN
Latest Form D: $50K, Jan 2021
Total capital: $5.4M

Federal grants: $5.4M; 10 awards · 2015–2025; Rank in peer group#151 of 538
Private capital raised: $50K; 1 Form D · last Jan 2021; 69 months since last filing
Federal contracts: None on recordNo federal contract awards found.
Granted patents: None on recordNo USPTO grants. Applications publish after 18 months.

Capital timeline

Latest events

Sep 2025Federal grantHealth and Human S · Phase II · Non-Invasive Venous Waveform Analysis (NIVA) in patients with Heart Failure (HF)$176K
Aug 2025Federal grantHealth and Human S · Phase II · Non-Invasive Venous Waveform Analysis (NIVA) in patients with Heart Failure (HF)$1M
Apr 2024Federal grantHealth and Human S · Phase II · Non-Invasive Venous Waveform Analysis (NIVA) in patients with Heart Failure (HF)$176K
Apr 2024Federal grantHealth and Human S · Phase II · Non-Invasive Venous Waveform Analysis (NIVA) in patients with Heart Failure (HF)$1M
Dec 2023Federal grantHealth and Human S · Phase II · Non-Invasive Venous Waveform Analysis (NIVA) in patients with Heart Failure (HF)$45K
Mar 2023Federal grantHealth and Human S · Phase II · Non-Invasive Venous Waveform Analysis (NIVA) in patients with Heart Failure (HF)$1M
Jan 2021Private capital raisedForm D · SEC · 1st filing$50K

Show 4 earlier federal awards

Apr 2020Federal grantHealth and Human S · Phase II · Non-Invasive Venous Waveform Analysis (NIVA) in patients with Heart Failure (HF)$768K
Mar 2019Federal grantHealth and Human S · Phase II · Non-Invasive Venous Waveform Analysis (NIVA) in patients with Heart Failure (HF)$804K
Aug 2018Federal grantHealth and Human S · Phase II · Non-Invasive Venous Waveform Analysis (NIVA) in patients with Heart Failure (HF)$176K
Dec 2015Federal grantNSF · Phase I · STTR Phase I: Wireless point-of-care sensor for continuous fluid status monitoring of patients with congestive heart failure$225K

Node area is scaled to amount. Form D reports securities sold, which can differ from an announced round; filings are numbered in the order they were made.

Federal first

61months

from VOLUMETRIX, LLC’s first federal award to its first private round.

First federal award · Dec 2015: NSF · $225K
First Form D · Jan 2021: $50K · 1st Form D
Awards before first raise: 4 awards

An association in public records, not a cause or a prediction.

Standing among 538 peers

Line = median

Medtech · Device

Federal grants#151 · top 28%

Cumulative measures favor older companies. Rankings describe position today, not outcome. Below the median, ranks show as a band rather than a number.

Founders and team

Researcher links verified by same-company patents and grants

Kyle HockingResearcherExecutive Officer, Director, PromoterLinked by $225K in grants as PI
Annie AlvisExecutive Officer, DirectorNamed in SEC Form D filings
Colleen BrophyExecutive Officer, Director, PromoterNamed in SEC Form D filings

What it has protected

No granted patents are on record.

USPTO usually publishes applications 18 months after filing, so recent applications may not be visible yet. Patents assigned under a different entity name won’t match.

Checked: USPTO granted patents and published applications · Oct 23, 2026

IHEALTHSCREEN, INC.Similar federal contract value in Medtech · null in contracts
Looking Glass Productions, LLCSimilar federal contract value in Medtech · null in contracts
POWERSCOPE, INCSimilar federal contract value in Medtech · null in contracts
3Derm Systems, Inc.Similar federal contract value in Medtech · null in contracts
PIEZO THERAPEUTICS, INC.Similar federal contract value in Medtech · null in contracts
Neurodyne, Inc.Similar federal contract value in Medtech · null in contracts

Regulatory activity · Medtech

Sector-level, not company-level

07 Jul 2026New Animal Drugs; Approval of New Animal Drug Applications; Withdrawal of Approval of New Animal Drug Application; Change of SponsorFood and Drug Administration
30 Jun 2026Medical Devices; General and Plastic Surgery Devices; Classification of the Skin Patch for Treatment of HyperhidrosisFood and Drug Administration
30 Jun 2026Medical Devices; Anesthesiology Devices; Classification of the Monitor for Opioid Induced Impairment of OxygenationFood and Drug Administration
29 Jun 2026Medical Devices; Orthopedic Devices; Classification of the Medial Knee Implanted Shock AbsorberFood and Drug Administration
26 Jun 2026Medical Devices; Neurological Devices; Classification of the External Lower Extremity Nerve Stimulator for Restless Legs SyndromeFood and Drug Administration
26 Jun 2026Medical Devices; General Hospital and Personal Use Devices; Classification of the Infant Supine Sleep SystemFood and Drug Administration

Rules are matched to sector, not to company. Recent activity in a sector is context rather than a signal about this business — until rules are matched to what a company actually builds, the section is shown as context and nothing more.

Sources

Federal grants from SBIR/STTR, NIH, NSF and DoD records. Federal contracts from USAspending.gov. Private capital from SEC Form D. Patents from USPTO. Publications from OpenAlex. Regulatory activity from the Federal Register. Press matched on company name.

How to read this page

Figures show associations in public records, not causes or predictions. Nothing here is investment advice. An em-dash means no record was found under this company's name, not that none exists.

Data freshness

SEC Form D filings through Oct 23, 2026. SBIR and STTR awards through Oct 21, 2026.