5 biotech companies in Washington, DC filed in the last 90 days, against 2 in the 90 days before. The biggest raise on record here is Sensei Biotherapeutics, Inc. at $348.91M.
Companies raising per week
The last 90 days
| Based | People named | |||
|---|---|---|---|---|
| Georgiamune, Inc. first filing | $92.69M | 2026-08-17 | gaithersburg, MD | Samir Khleif, Sean Parker +5 |
| Theradaptive, Inc. first filing | $36.16M | 2026-08-04 | frederick, MD | Luis Alvarez, David Stewart +5 |
| Seraxis Holdings, Inc. first filing | $10M | 2026-09-24 | germantown, MD | William Rust, Carole Welsch +1 |
| PushCART Therapeutics, Inc. first filing | $500K | 2026-07-31 | rockville, MD | Stephen Wolpe, Louis Weiner +2 |
| Uvantis Therapeutics, Inc. first filing | $100K | 2026-09-23 | columbia, MD | William Sheahan, Jonathan Young +3 |
First-time filers, last 90 days
PushCART Therapeutics, Inc., Seraxis Holdings, Inc., Georgiamune, Inc., Uvantis Therapeutics, Inc., Theradaptive, Inc..
Everything on record
| Based | People named | |||
|---|---|---|---|---|
| Sensei Biotherapeutics, Inc. first filing | $348.91M | 2026-03-04 | rockville, MD | Christopher Gerry, Josiah Craver +5 |
| Georgiamune, Inc. first filing | $92.69M | 2026-08-17 | gaithersburg, MD | Samir Khleif, Sean Parker +5 |
| Theradaptive, Inc. first filing | $36.16M | 2026-08-04 | frederick, MD | Luis Alvarez, David Stewart +5 |
| Theriva Biologics, Inc. first filing | $13.11M | 2025-10-24 | rockville, MD | Steven Shallcross, Jeffrey Kraws +2 |
| Seraxis Holdings, Inc. first filing | $10M | 2026-09-24 | germantown, MD | William Rust, Carole Welsch +1 |
| OS Therapies Inc | $3.78M | 2025-09-10 | rockville, MD | Paul Romness, Robert Petit +6 |
| Nanochon, Inc. | $3.58M | 2026-02-05 | washington, DC | Benjamin Holmes, Robert Creeden +3 |
| Cellphire, Inc. | $3M | 2025-12-11 | rockville, MD | Michael Gaffney, James Peake +5 |
| SISCAPA Assay Technologies, Inc. first filing | $2M | 2025-08-28 | washington, DC | Norman Anderson, Constance Seniff +2 |
| BioSolution Designs, Inc. first filing | $705K | 2026-03-12 | frederick, MD | Thomas Reed, John Maslowski +1 |
| PushCART Therapeutics, Inc. first filing | $500K | 2026-07-31 | rockville, MD | Stephen Wolpe, Louis Weiner +2 |
| Enhanced Fusion Technologies L.L.C. first filing | $480K | 2025-09-04 | vienna, VA | Timothy Murphy |
| YUTIDETX INC. first filing | $375K | 2026-06-24 | arlington, VA | Youran Wu, Wuyuan Lu |
| Accufy Diagnostics, Inc. first filing | $200K | 2025-10-02 | rockville, MD | Jeffrey Hung |
| Uvantis Therapeutics, Inc. first filing | $100K | 2026-09-23 | columbia, MD | William Sheahan, Jonathan Young +3 |
| Ardego Therapeutics, Inc. first filing | $50K | 2026-06-03 | gaithersburg, MD | Ethan Mann, Beverly Packard |
| AMERICAN GENE TECHNOLOGIES INTERNATIONAL INC. first filing | — | 2025-11-18 | rockville, MD | Jeffrey Galvin, William Palin +1 |
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How this list is built
Every company here filed a Form D with the SEC from this sector and metro. A Form D is the notice a company files when it sells shares or other securities without a public offering, so it catches seed rounds, small rounds and rounds that were never announced, alongside the large ones that make the news. Only new offerings by operating companies count: amendments, pooled investment funds, real estate vehicles and special purpose vehicles are left out, so each row is a company raising money for itself.
The amount shown is the total the filing reports as sold so far. Some filings report nothing sold yet; those rows show a dash and add nothing to the totals. "First filing" marks a company whose first Form D on record this is. Each company links to our page for the filing, or to the SEC's own copy, and the list can be copied as CSV for a spreadsheet.
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