---
title: "Collaborative Fund Launches $200M Collab SOS Sustainability Fund"
description: "Collaborative Fund announced Collab SOS, a $200M fund for Series A/B sustainable companies in materials, energy, and supply chains, after leading Cambiotics’ seed."
date: 2026-05-19T00:00:00.000Z
tags: ["collaborative-fund", "fund-close", "climate-tech", "venture-capital", "startup-funding"]
source: https://venturecapitaltracker.com/2026-collaborative-fund-collab-sos-200m-fund
---

# Collaborative Fund Launches $200M Collab SOS Sustainability Fund

> Collaborative Fund announced Collab SOS, a $200M fund for Series A/B sustainable companies in materials, energy, and supply chains, after leading Cambiotics’ seed.

**Collaborative Fund** announced **Collab SOS, a $200M fund** for Series A/B sustainable companies in materials, energy, and supply chains — extending a thesis it also expressed by **leading Cambiotics' €4M seed** for PFAS-removing probiotics.

## Key facts

- **Firm:** Collaborative Fund (~$1.9B AUM)
- **New fund:** Collab SOS, $200M (announced May 2026)
- **Focus:** Series A/B sustainable materials, energy, supply chains
- **Cambiotics:** €4M seed led by Collaborative Fund (Mar 2026), co-investors EIFO and True
- **Also 2026:** Launched Collab Holdings, a long-hold consumer-brand PE strategy

## Why this matters

Collab SOS formalizes Collaborative Fund's climate and sustainability investing at growth stages, complementing its early-stage consumer-AI push via the AIR residency.

## Sources

1. Collab SOS fund (Collab Fund, via F4): https://f4.fund/firms/collab-fund
2. Collaborative Fund — Backing Cambiotics: https://collabfund.com/blog/backing-cambiotics-a-natural-solution-to-remove-forever-chemicals-from-your-body/
