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California · Public charity

Catalyst4 Inc

To foster, support, promote and conduct activities designed to benefit and improve the environment and global health.

$84M
Granted FY2023
7
Grants FY2023
6
Organizations funded FY2023
83%
First-time grantees FY2023
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Read this first · the figures below need context

64% of Catalyst4 Inc’s FY2024 grant dollars went to Sixteen Thirty Fund, not to grantees.

Its money now reaches organizations through that sponsor, which does not report who recommended each grant. FY2024 names 7 organizations directly, so a portfolio cannot be read from it. Everything below is therefore FY2023, the last year Catalyst4 Inc named its own grantees at scale: 6 organizations, $84M. It is dated, not current.

Organizations named directly on the return

1
’22
6
’23
7
’24

Amber years are those where most dollars went to a sponsor.

Median grant, FY2023
$3,029,854
Largest grant, FY2023
$50,000,000
Organizations funded a year
1 to 6
FY2022 to FY2023
States reached, FY2023
3
Total assets, FY2023
$1.1B

How open it is to new grantees

In FY2023, 83% of the organizations Catalyst4 Inc funded were first-time grantees, receiving 70% of its grant dollars.

The numbers by year
Fiscal yearOrganizations fundedTo those organizationsFirst-time grantees
FY20236$80M83%
FY20221$5.7Mn/a
100% classified

What it funded, over time

Every grant placed by its stated purpose and the recipient’s mission, by year, FY2022 to 2024.

Environment$85MHealth$50MScience & Tech$4.8MInternational$25k

Top grantees

Largest recipients by total granted, FY2022 to FY2024, and the share of each one’s budget the grants supplied at peak.

GranteeTotal grantedYearsShare of their budget
The Michael J Fox Foundation for Parkinson's Research$50,000,000116%
Energy Action Fund$36,300,000350%
Spark Ns Inc$4,850,000299%
Fund for a Better Future Inc$3,579,85427%
League of Conservation Voters Inc$3,545,0001n/a
Greenlight Action$1,200,000159%
Tides Advocacy$800,00011%
The Partnership Project Action Fund$500,00017%
Environmental Defense Action Fund$400,00011%
Wastewater Action Alliance Inc$25,0001n/a

Where it is load-bearing

Catalyst4 Inc supplied at least a quarter of the budget for 3 of its grantees at some point. The chart plots its 8 largest grantees; load-bearing ones sit top left.

25%50%75%100%$10M$100Mgrantee revenue →↑ funder's share of their budgetThe Michael J Fox Foundation for Parkinson's Research: $50,000,000 over 1y, 16% of budgetEnergy Action Fund: $36,300,000 over 3y, 50% of budgetSpark Ns Inc: $4,850,000 over 2y, 99% of budgetFund for a Better Future Inc: $3,579,854 over 2y, 7.3% of budgetGreenlight Action: $1,200,000 over 1y, 59% of budgetTides Advocacy: $800,000 over 1y, 1.2% of budgetThe Partnership Project Action Fund: $500,000 over 1y, 7.0% of budgetEnvironmental Defense Action Fund: $400,000 over 1y, 1.2% of budget

Tap a dot to name the grantee.

How this is measured
Share of budget is the funder’s grant in a year over the grantee’s total revenue that year, at its highest across the years we hold; revenue is from all sources. Only grantees confirmed against their own filings, whose grants do not exceed their revenue, are plotted: the largest 8.

Co-funders

Grantmakers whose grantees overlap with this funder’s far more than size alone predicts. Closer means stronger alignment; arcs show where they also fund each other. Here they form a tightly interlocked group: most of these funders back each other's grantees too.

The Heising-Simons Action FundCA15.7× affinity5 shared granteesties to 5 of 5Hover any node to trace its alignments.Compare side by side →

Open a dossier: The Heising-Simons Action Fund · NEO Philanthropy Action Fund Inc · Fund for a Better Future Inc · Advocacy Action Fund Inc · League of Conservation Voters Inc · Sixteen Thirty Fund

How this is measured
Affinity is a Gamma-Poisson posterior co-funding rate, re-centered on the typical rate, so thin evidence shrinks toward no signal. Overlap is association, not proof of shared intent.

Compare Catalyst4 Inc with peer funders

Warm introductions · Powered by PlinthPlus

How do I get to Catalyst4 Inc?

Find your warmest path to Catalyst4 Inc through trustees and officers whose names appear on both boards. Search for your organization and Plinth traces the shortest route it can evidence.

Each link is a name appearing on two organizations’ public IRS 990 filings, matched on that name and, where the filings support it, on location. A same-state match has geographic support, which is a second matching feature rather than confirmation that the two are one person; a cross-state one is the likeliest to be two people who share a name. Every hop shows its tier, low-confidence and distant paths are held back rather than guessed, and it is worth confirming the person before you use the introduction.

About Catalyst4 Inc

How much does Catalyst4 Inc give?
Catalyst4 Inc reported 7 grants totaling $84,029,854 in its FY2023 IRS filing. It funded between 1 and 6 organizations a year over FY2022 to FY2023.
What does Catalyst4 Inc fund?
By grant dollars over FY2022 to FY2024, its largest causes are Environment (61%), Health (36%), Science & Tech (3%).
Who are Catalyst4 Inc's largest grantees?
By total granted over FY2022 to FY2024: The Michael J Fox Foundation for Parkinson's Research ($50M), Energy Action Fund ($36M), Spark Ns Inc ($4.8M).
Does Catalyst4 Inc fund new organizations?
In FY2023, 83% of the organizations it funded were first-time grantees.
Which funders back the same organizations as Catalyst4 Inc?
Its strongest co-funders, measured against what their size predicts, include The Heising-Simons Action Fund, NEO Philanthropy Action Fund Inc, Fund for a Better Future Inc.
Where is Catalyst4 Inc based?
Catalyst4 Inc is based in CA.

On method. Every financial figure here is read from IRS e-file XML, the funder’s own 990/990-PF, and from the multi-year returns of the 12 grantees we resolved, each linked to its source. Grantee outcomes are each organization’s own program-service reporting (Form 990, Part III), read as association with funding, never as caused by it. Low-confidence name matches are suppressed rather than guessed. How we build these →

How this is measured
Each figure carries one of six labels. Filed is what the funder reported on its return. Official is another government record about an organization, such as a federal award or a charity register, joined by name where no shared identifier exists. Resolved is an identity we worked out where the filing named a recipient without an EIN, kept only above a measured confidence threshold. Computed is arithmetic over those, like themes, portfolio clusters and co-funder strength. Context is a statistic about a place rather than about an organization, which is what the need overlay is: it describes the area a grantee’s address sits in, not where its work lands. Inferred is drawn by a model from text, like the partnerships read out of public news and organization websites. Each is labeled where it appears.

Generated from the IRS Form 990 e-file return for fiscal year 2023, released 2023. Filings run roughly 12 to 24 months behind; figures are dated accordingly.

Source object · view filing

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