Estuary Biotherapeutics raises $40.7M in an estimated Series A, 11 companies file
Eleven companies filed raises with the SEC on Friday, October 16, 2026, totaling $68.4M. These rounds are estimates from the filings. Estuary Biotherapeutics, a biotechnology company from California, filed the largest amount at $40.7M, in what is estimated to be a Series A round. The company was incorporated in 2022.
Memazing, an other technology company from New Jersey, filed for an estimated $15.4M Series A. Matters Capital Ventures, a Florida based banking and financial services company, filed for $3.5M in an estimated seed round. 1921 Technologies, an other technology company from New York, filed for $3M, also an estimated seed round.
Zeely, an other technology company from Delaware incorporated in 2021, filed for $2.1M. Other companies filing include Cornwallis Durham, SC River INV, Accountally, Immorta Bio, StrikeArc Labs, and Knowable Labs. None of the companies filing today have active hiring pages tracked by Find your role first.
11companies filed
$68.4Mreported sold
Pictured
Every raise filed
| Company | Amount | Est. round | Sector | Based in | |
|---|---|---|---|---|---|
| 1 | Estuary Biotherapeutics | $40.7M | Series A | Biotechnology | CA |
| 2 | $15.4M | Series A | Tech | NJ | |
| 3 | Matters Capital Ventures | $3.5M | Seed | Finance | FL |
| 4 | 1921 Technologies | $3M | Seed | Tech | NY |
| 5 | Zeely | $2.1M | Seed | Tech | DE |
| 6 | Cornwallis Durham | $780K | Pre-seed/Seed | NC | |
| 7 | SC River INV | $750K | Pre-seed/Seed | FL | |
| 8 | $750K | Pre-seed/Seed | SC | ||
| 9 | Immorta Bio | $613K | Seed | Biotechnology | FL |
| 10 | $500K | Pre-seed/Seed | MI | ||
| 11 | $310K | Pre-seed/Seed | Tech | CA |
From SEC Form D filings. Rounds are estimates from the amount sold; filings name no round and carry no valuation. Amounts are what the filing reports as sold so far.

