Climactic | Activity | F4

Introducing F4 Champions, a new accelerator for founders at the earliest stage.F4 Champions for early-stage foundersEnrollment closesAugust 2Learn more

Team Portfolio Raise Champions Essays

F4/Climactic/Activity

Climactic Activity

Every public signal F4 has attached to this firm, with sources and cross-entity links.

Types

Time range

Investment

Gritt Robotics raised $26M Series A led by Active Impact Investments, with participation from Climactic, Obvious Ventures, First Round Capital, Union Square Ventures, and others, to expand AI-powered construction robotics.

Gritt Robotics

Gritt Robotics Climactic

ventureburn.comJUL 21, 2026

JUL 21, 2026

Milestone

Rubi raised $7.5M to build a demonstration-scale cellulosic production system that turns CO2 into textile-grade cellulose using enzymes. H&M Group participated in the round. Rubi has $60M+ in non-binding off-take agreements.

Rubi

techcrunch.comMAR 17, 2026

MAR 17, 2026

Milestone

H&M partnership feature: Rubi's enzymatic process for turning CO2 into carbon-negative textiles gains major fashion industry validation.

Rubi Laboratories

Rubi Laboratories Climactic

climactic.vcMAR 17, 2026

MAR 17, 2026

New Fund

Launched a hybrid fund structure to help climate tech startups navigate the capital-intensive commercialization phase.

Climactic Hybrid Fund

climactic.vcFEB 17, 2026

FEB 17, 2026

Milestone

CNBC feature on Copper's battery-integrated induction stove for residential electrification.

Copper

Copper Climactic

cnbc.comDEC 16, 2025

DEC 16, 2025

Exit

Portfolio company Populus completed a buyout/LBO transaction.

Populus

Populus Climactic

pitchbook.comNOV 2025

NOV 2025

3 investments· JAN 2025 – AUG 2025Show all

Investment

Copper closed $28M Series A to expand battery-powered appliance operations. Climactic participated alongside Prelude Ventures, Collaborative Fund, Leap Forward Ventures, and others.

Copper

Copper Climactic

svdaily.comAUG 28, 2025

AUG 28, 2025

Investment

Climactic participated in Soil Action's $5.25M Seed round. Soil Action develops soil intelligence technology to help farmers optimize land use.

Soil Action

Soil Action Climactic

accessnewswire.comAUG 12, 2025

AUG 12, 2025

Investment

Participated in financing for Skyven's industrial heat pump decarbonization technology.

Skyven Technologies

Skyven Technologies Climactic

skyven.coJAN 2025

JAN 2025