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STEMLOOP, INC.

Clean tech · Defunct

Biological sensor platform for on-site lead detection in drinking water using synthetic biology and engineered protein sensors

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Updated

Sector
Clean tech
Total capital
$2.3M
Federal grants
$2.3M
5 awards · 2020–2023
Rank in peer group#11 of 12
Private capital raised
None on recordNo Form D filings on SEC EDGAR. Some raises are not filed.
Federal contracts
None on recordNo federal contract awards found.
Granted patents
0
4 pending

Capital timeline

2020202120222023FEDERAL ↑EQUITY ↓Cumulative $2.3M$276K$225K$52K$777K$954K
2020202120222023FEDERAL ↑EQUITY ↓Cumulative $2.3M$276K$225K$777K$954K

Latest events

  • Federal grantHealth and Human S · Phase II · A Paper-Based Synthetic Biology Platform for the On-Demand Testing of Water Quality$954K
  • Federal grantHealth and Human S · Phase II · A Paper-Based Synthetic Biology Platform for the On-Demand Testing of Water Quality$777K
  • Federal grantHealth and Human S · Phase I · A Paper-Based Synthetic Biology Platform for the On-Demand Testing of Water Quality$52K
  • Federal grantHealth and Human S · Phase I · A Paper-Based Synthetic Biology Platform for the On-Demand Testing of Water Quality$225K
  • Federal grantNSF · Phase I · SBIR Phase I: Handheld Detection of COVID-19 With Simple Biosensor Devices for Environmental Monitoring$276K

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.

Standing among 12 peers

Line = median

Clean tech · Instrument

  • Federal grantsBelow median

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

No founders are linked to this company yet.

Founders appear once a person is matched to the company through its own patents, grants or filings. We never infer people from social profiles.

Checked: USPTO inventors; federal award principal investigators; SEC Form D related persons · Oct 23, 2026

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What it has protected

USPTO · 0 granted of 4
  • PendingDetection of Chemicals and Molecules Using Cell-free Biosensor Lateral Flow AssaysUSPTOApplication 18160468
  • PendingDetection Of Chemicals And Molecules Using Cell-free Biosensor Lateral Flow AssaysUSPTOApplication PCTUS2023061424
  • PendingDetection Of Chemical And Small-molecule Ligands In A Lateral Flow AssayUSPTOApplication 63304257
Show all 4 patent records
  • Detection of Chemicals and Molecules Using Cell-free Biosensor Lateral Flow AssaysAug 3, 2023 · Application 18160468Pending
  • Detection Of Chemicals And Molecules Using Cell-free Biosensor Lateral Flow AssaysApplication PCTUS2023061424Pending
  • Detection Of Chemical And Small-molecule Ligands In A Lateral Flow AssayApplication 63304257Pending
  • Cell-free Biosensors With Dna Strand Displacement CircuitsApplication 63154247Pending

Related companies, and why

Regulatory activity · Clean tech

Sector-level, not company-level

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 . SBIR and STTR awards through .