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Haystack

VC fundPublic sources — Collected from public sources, not yet cross-checked.

Haystack is a vc fund. It joined 1 round tracked by OSH in the last 90 days.

What they look for

Activity

1
Deals, 90 days
1
Deals, 12 months
0
Led, 12 months
$20M
Median disclosed round

Frequent co-investors:Quiet CapitalGradientCompound

Computed from OSH Rounds. A deal is a round the investor led or joined.

Portfolio from OSH Rounds

  • Oct 8 · Seed

    Polyphron$20M

    Led by Quiet Capital · with Haystack, +2

    1 source

Questions and answers

How active is Haystack?

In OSH Rounds, Haystack joined 1 round in the last 90 days and 1 in the last 12 months, leading 0.

Something wrong? Suggest a correction.

Sources

  1. 1.Polyphron Raises $20M to Predict Drug Toxicity in Human Tissue Before Clinical Trials — AlleyWatch, Oct 9, 2026

Public sources — Collected from public sources, not yet cross-checked.Last verified Oct 15, 2026