Halcyon

Emerging manager

Built from this firm's Form D filings. The firm files no SEC adviser report.

Website: https://www.halcyonventurepartners.com
HQ: DC

Halcyon is a venture firm that invests in seed-stage startups building in climate, health, and equity-focused areas. Its partners include Managing Partners Kate Goodall and Dahna Goldstein, plus an Associate, Dan Aliber, who helps identify and support early-stage impact-driven ventures. Portfolio companies include Ampere, DenZen, Suyana, Occupi, Bioeutectics, Boddle, Sylvarum, TadHealth, Solstice, MajorClarity, BoxPower, and Honeycomb Credit.

01 · Says / Does

Tag	Says	Does
Stages	Seed	Not enough dated deals
Sectors	Fintech, Healthtech, Climate software	Not enough dated deals
Regions	Not stated	Not enough dated deals

Says: what the firm's funds state. Does: from 0 dated deals in the last 24 months.

02 · Fund history

Fund	Year	Size	Status
Halcyon Fund II LP	2024	$5M to $50M (Form D)	Open, writing first checks

03 · People across funds

Dahna Goldstein, Managing Partner
Halcyon Fund II LP (Named on Form D)
Katherine Goodall, MANAGING PARTNER
Halcyon Fund II LP (Named on Form D)
Dan Aliber, Associate
Halcyon Fund II LP (Team)
Kate Goodall, Managing Partner
Halcyon Fund II LP (Team)

04 · Recent deals

No dated deals found yet.

05 · Latest from the firm

No news from the firm's website yet.

06 · Sources

Fund dates and sizes are from SEC Form D filings.

Last verified: Oct 25, 2026