Phykos

Active · Growing seaweed to stabilize the climate.

Why it ranks

7signal of 100 · rising 1

A sum of public facts, not a judgement and not investment advice.

Companies next to Phykos
Company	Category	Status	Program
PachamaShared: carbon capture and removal, climateYC W19AcquiredAI	AI	Acquired	YCW19
Healthy Seaweed Co. Limited ( Seaweed Cafe)Shared: seaweedMassChallenge Switzerland and UK 2026Not statedOther	Other	Not stated	MassChallengeSwitzerland and UK 2026
Carbon CrusherShared: carbon capture and removal, climateYC W22ActiveOther	Other	Active	YCW22
Releaf EarthShared: carbon capture and removal, climateYC S17ActiveOther	Other	Active	YCS17
WrenShared: climateYC S19ActiveOther	Other	Active	YCS19

Company	Category	Status
Coulomb AIBattery Observability Platform for Electric Vehiclesteam of 10hiringActiveAI	AI	Active
FerveretNuclear-inspired cooling that turns wasted power into more AI computeteam of 16ActiveAI	AI	Active
WaterplanWater risk mitigation for industrial sitesteam of 20ActiveAI	AI	Active
AbbotYour Customer Success Co-Pilotteam of 5InactiveDevtools	Devtools	Inactive
AbstraAutomate finance operations with AIteam of 18ActiveAI, Devtools	AI, Devtools	Active
AdaptyvWe're building fully automated labs for protein engineeringteam of 25hiringActiveAI	AI	Active

WebsiteNov 2, 2026

Moved its website from phykos.co to none.

Website linkNov 2, 2026

Website link changed from https://phykos.co to none.

Which YC batch was Phykos in?

Phykos was in Y Combinator's Summer 2021 batch (S21).

Is Phykos still active?

Y Combinator lists Phykos as active.

Where is Phykos based?

Phykos lists San Francisco, CA, USA; Remote as its location on YC's directory.