Ultrasonium

Overview

We make the world's most difficult metal parts faster, cheaper, and more versatile.

Funding and backers

Grants
$305k
1 grant · CORDIS
Backers
1
Y Combinator
Momentum
0/100
no fresh signals
The story so fareach stage dated by its source: the company's releases, the press, registers, filings
Jun 2026 Went through Y Combinator Oct 1, 2025 Won a grant $305k · CORDIS Apr 2024 Website went live first capture in the Wayback Machine
Tractionpublic signals, read monthly
Web presence
top 27%
of 133.2M domains by links, Common Crawl
Funding rounds
RoundDateAmountInvestorsSource
Grant Oct 2025 $305k — CORDIS
Backed byfrom the funds' portfolios and accelerator catalogs
Y Combinator S26 accelerator
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Financials

Total raised
$305k
Latest round
Grant
Funding rounds
1
Funding rounds
Round Announced Amount
Grant 2025 $305k Details

Connections

List
Graph
Found in company registers, site code, DNS and hiring. Each connection shows how sure we are and the evidence, with its source and date.
Shared investors1
Y CombinatorVia a fund
6310 portfolio companies
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Offices

Where the company hires and what each office is for
Cities
1
Hiring now
0
Countries
1
Boston United States
HQ