Pre seed or stealth companies

Phoenix Hydrogen has raised a pre-seed round of $2M, which confirms it is in the pre-seed funding stage. There is no specific evidence indicating that the company is operating in stealth mode.

Tilebox has raised $1.7M in a pre-seed funding round, which confirms it is in the pre-seed funding stage.

Penguin AI is in the pre-seed funding stage as indicated by their involvement in Y Combinator's S22 batch and the mention of pre-seed funding from Y Combinator and other top Silicon Valley investors. There is no specific evidence that the company is operating in stealth mode.

Topo.io raised €1 million in pre-seed funding in 2023 and there is no specific evidence indicating that the company is not operating in stealth mode.

Tapline has raised more than €32M in pre-seed funding, which confirms it is in the pre-seed funding stage. There is no information indicating that Tapline is operating in stealth mode.