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Colorado · Private foundation

Jack and Marilyn Macallister Foundation

Its FY2025 filing reports that it funds preselected organizations and did not take unsolicited requests; check the foundation's own site before ruling it out.

$121k
Granted FY2025(still arriving)
8
Grants FY2025
10
Organizations funded FY2024
20%
First-time grantees FY2024
Read the full brief
Median grant, FY2025
$12,500
Largest grant, FY2025
$35,000
Organizations funded a year
6 to 24
FY2018 to FY2024
States reached, FY2025
2
Total assets, FY2025
$2.2M
Applications
Preselected organizations only
Per its most recent filing; check its own site

How open it is to new grantees

In FY2024, 20% of the organizations Jack and Marilyn Macallister Foundation funded were first-time grantees, receiving 1% of its grant dollars.

New vs renewed · share of each year

In FY2024, 99% of grant dollars renewed an existing relationship; $2k went to new ones.

50%100%’18’19’20’21’22’23’24
RenewedFirst-time

Where new relationships form · theme of each grantee’s first grant

’18’19’20’21’22’23’24
HealthEnvironmentHuman ServicesEducationYouth DevelopmentAnimalsOther
How this is measured
First-time means a grantee’s first year in the filing window; renewed means funded in an earlier year too. The renewed share climbs naturally as a portfolio matures, so the signal is a year that bucks it (a wave of new grantees). The earliest year is left-censored: relationships that predate the data read as new. Theme is the grantee’s IRS cause.
The numbers by year
Fiscal yearOrganizations fundedTo those organizationsFirst-time grantees
FY2025still arriving8$121k13%
FY202410$142k20%
FY20236$111k0%
FY202216$130k38%
FY20216$107k0%
FY202015$94k33%
FY201924$101k42%
FY201820$109k15%
96% classified

What it funded, over time

Every grant placed by its stated purpose and the recipient’s mission, by year, FY2017 to 2025.

Education$373kArts & Culture$285kAnimals$140kPhilanthropy$97kEnvironment$55kHealth$39kFood & Nutrition$20kYouth Development$11kOther$0

Where its grants go

Grant dollars by states, across the years we hold.

Which US states its grants reach

WA
ID
NY
OR
IA
CA
CO
NE
VA
TN
LA
FL

Top grantees

Largest recipients by total granted, FY2017 to FY2025, and the share of each one’s budget the grants supplied at peak.

Show all 29 grantees

What it could do for these grantees

Plus 25 recipients with no EIN on record ($612k), not named here.

Where it is load-bearing

Each grantee by its size and the share of its budget Jack and Marilyn Macallister Foundation supplied at peak.

25%50%75%100%$1.0M$10M$100Mgrantee revenue →↑ funder's share of their budgetUniversity of Nebraska Foundation: $135,000 over 6y, 0.0% of budgetGunnison Valley Animal Welfare Leag: $132,000 over 9y, 14% of budgetWestern Colorado University Foundation: $42,700 over 5y, 0.1% of budgetGunnison Valley Health Foundation: $36,500 over 6y, 0.7% of budgetMountain Roots Food Project: $9,500 over 4y, 1.4% of budgetGunnison Country Food Pantry Inc: $8,175 over 5y, 0.9% of budgetAmerican National Red Cross & Its Constituent Chapters and Branches: $5,000 over 1y, 0.0% of budgetGunnison Trails Inc: $4,500 over 3y, 0.3% of budgetFreedom Service Dogs Inc: $4,350 over 4y, 0.0% of budgetThe American Society for the Prevention of Cruelty to Animals: $4,350 over 4y, 0.0% of budgetProject Hope of Gunnison Valley: $2,500 over 3y, 0.2% of budgetFriends of the Children: $2,500 over 1y, 0.0% of budgetThe Wild Animal Sanctuary: $1,675 over 2y, 0.0% of budgetRocky Mountain Dawgs Project: $1,500 over 2y, 1.5% of budgetK9 Partners for Patriots: $1,500 over 2y, 0.1% of budgetColorado Fallen Hero Foundation: $1,500 over 2y, 0.4% of budgetIdaho Rivers United: $1,350 over 1y, 0.3% of budgetFriends of Siver Gate: $1,350 over 1y, 0.7% of budgetKrewe of Red Beans: $1,350 over 1y, 0.1% of budgetShield 616 Inc: $1,175 over 2y, 0.0% of budgetLong Live the Kings: $1,000 over 1y, 0.0% of budgetGary Sinise Foundation: $1,000 over 1y, 0.0% of budgetSix Points Evaluation and Training Inc: $1,000 over 1y, 0.1% of budgetFred Hutchinson Cancer Center: $1,000 over 1y, 0.0% of budgetThe Dollywood Foundation: $1,000 over 1y, 0.0% of budgetMorris Jeff Community School: $1,000 over 1y, 0.0% of budgetNAMI National: $500 over 1y, 0.0% of budgetSavvy Giving By Design Inc: $500 over 1y, 0.2% 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 28.

Nonprofits that may fit its grantmaking

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.

Colorado Gives FoundationCO21.4× affinity9 shared granteesties to 11 of 11Hover any node to trace its alignments.Compare side by side →

Open a dossier: Colorado Gives Foundation · Community Foundation of the Gunnison Valley · Dea Family Foundation · Mile High United Way Inc · Rocky Mountain Health Foundation · Anschutz Family Foundation · El Pomar Foundation · The Denver Foundation · Shell USA Company Foundation · Greater Houston Community Foundation · Network for Good · Vanguard Charitable Endowment Program

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 Jack and Marilyn Macallister Foundation with peer funders

Warm introductions · Powered by PlinthPlus

How do I get to Jack and Marilyn Macallister Foundation?

Find your warmest path to Jack and Marilyn Macallister Foundation 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 Jack and Marilyn Macallister Foundation

How much does Jack and Marilyn Macallister Foundation give?
Jack and Marilyn Macallister Foundation reported 8 grants totaling $121,000 in its FY2025 IRS filing. It funded between 6 and 24 organizations a year over FY2018 to FY2024.
What does Jack and Marilyn Macallister Foundation fund?
By grant dollars over FY2017 to FY2025, its largest causes are Education (35%), Arts & Culture (27%), Animals (13%).
Who are Jack and Marilyn Macallister Foundation's largest grantees?
By total granted over FY2017 to FY2025: University of Nebraska Foundation ($135k), Gunnison Valley Animal Welfare Leag ($132k), Western Colorado University Foundation ($43k).
Does Jack and Marilyn Macallister Foundation fund new organizations?
In FY2024, 20% of the organizations it funded were first-time grantees.
Does Jack and Marilyn Macallister Foundation accept unsolicited applications?
Its most recent filing reports that it funds preselected organizations and does not take unsolicited requests. Check the foundation's own site before ruling it out.
Which funders back the same organizations as Jack and Marilyn Macallister Foundation?
Its strongest co-funders, measured against what their size predicts, include Colorado Gives Foundation, Community Foundation of the Gunnison Valley, Dea Family Foundation.
Where is Jack and Marilyn Macallister Foundation based?
Jack and Marilyn Macallister Foundation is based in CO.

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 56 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-PF e-file return for fiscal year 2025, released 2025. Filings run roughly 12 to 24 months behind; figures are dated accordingly.

Source object · view filing

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