Haystack: recent investments

Investor

Haystack is in 1 funded startup round on Adamlead, and led 1 of them. Most are Seed Research Services companies. The latest is alphaXiv (Seed), on Nov 19, 2025.

Rounds on file
1
Led
1
Most common stage
Seed
Latest round
Nov 19, 2025

alphaXiv

Rounds Haystack led

CompanyRound
alphaXivalphaXivSeed, $7M
Nov 19, 2025

Read from the articles that announced each round. Amounts are each company's total funding on file.

Investors who back the same startups as Haystack

Industries Haystack invests in

Frequently asked questions

What startups has Haystack invested in recently?

On Adamlead: alphaXiv. Each one links to the article the round was announced in.

Does Haystack lead rounds?

Yes. Haystack led 1 of the 1 rounds on file, including alphaXiv.

Who does Haystack invest alongside?

Most often Conviction Embed, Menlo Ventures, Shakti VC, Udacity Inc, based on the rounds on file.

How do I contact founders Haystack has backed?

Adamlead has 1 people on file at these 1 companies, with verified emails. Open a company to see who to talk to.

Reach the founders Haystack just backed

1 people on file at these companies, with verified emails. 7 days free, no card.