VC firm

MCJ

Kingmaker Tier

Kingmaker Tier: 97 out of 100

Also known as MCJ 2023, MCJ 2023, L.P., My Climate Journey, My Climate Journey Collective

Carbon & climate software
Clean energy & storage
Generalist (firms only)
Sustainable materials & circular economy
Climate positive
VC
B2B

Investor type: VC
Investing status: Activeas of 2026-09-18Source (opens in a new tab)
Headquarters: Boston, MA, United States
Assets under management: $85MForm ADV private fund GAV, as of 2026-03-27Source (opens in a new tab)
Latest fund size: $68.1MSEC amount sold, as of 2023-01-20Source (opens in a new tab)
Funds: 3
Legal name: MCJ Collective, LP

Open relationship map

Claim, correct or request removal

Record updated 29 September 2026

About

We back founders rewriting industries for the future.

Investment approach

Investing status notes: We back founders rewriting industries for the future.

Funds

MCJ 2023, L.P.: $68.1MVintage 2022, Main fund, SEC amount sold
MCJ 2023 QP, L.P.: Main fund
MCJ 2023 NQP, L.P.: Main fund

SEC registration

Registered adviser: MCJ MANAGEMENT, L.P.
CRD number: 310880 (opens in a new tab)
SEC file number: 802-129046
Registration: Exempt reporting adviser
Regulatory AUM: $85Mas of 2026-03-27
Private funds reported: 3
Principal office: BOSTON, MA, United States
SEC CIK: 1961345

Programs

Event series: Events (opens in a new tab)
Event series: Events (opens in a new tab)
Founder community: MCJ Collective (opens in a new tab)
Newsletter: MCJ Newsletter (opens in a new tab)
Newsletter: MCJ Newsletter (opens in a new tab)
Podcast: Inevitable Podcast (opens in a new tab)weekly
Podcast: Inevitable Podcast (opens in a new tab)weekly