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Texas · Public charity

The Marrs McLean Trust #487601 Frost Bank Trustee

For purposes of form 990, "the organization" will refer to frost bank, the institutional trustee of this charitable trust. Frost bank carries out the intent and directions provided in the governing document of the trust. The settlor of this trust directed that the endowment fund be organized and operated to support three named publicly…

$412k
Granted FY2026(still arriving)
3
Grants FY2026
3
Organizations funded FY2025
0%
First-time grantees FY2025
Read the full brief
Median grant, FY2026
$137,260
Largest grant, FY2026
$137,260
Organizations funded a year
3 to 3
FY2019 to FY2025
States reached, FY2026
1
Total assets, FY2026
$13M

How open it is to new grantees

In FY2025, 0% of the organizations The Marrs McLean Trust #487601 Frost Bank Trustee funded were first-time grantees, receiving 0% of its grant dollars.

New vs renewed · share of each year

In FY2025, 100% of grant dollars renewed an existing relationship; $0 went to new ones.

50%100%’19’20’21’22’23’24’25
RenewedFirst-time
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
FY2026still arriving3$412k0%
FY20253$624k0%
FY20243$632k0%
FY20233$613k0%
FY20223$577k0%
FY20213$299k0%
FY20203$450k0%
FY20193$463k0%
100% classified

What it funded, over time

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

Education$4.6M

Top grantees

Largest recipients by total granted, FY2017 to FY2026, and the share of each one’s budget the grants supplied at peak.

GranteeTotal grantedYearsShare of their budget
Baylor College of Medicine$1,682,769100%
Baylor University$1,682,769100%
Trinity University$1,682,677100%

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About The Marrs McLean Trust #487601 Frost Bank Trustee

How much does The Marrs McLean Trust #487601 Frost Bank Trustee give?
The Marrs McLean Trust #487601 Frost Bank Trustee reported 3 grants totaling $411,780 in its FY2026 IRS filing. It funded between 3 and 3 organizations a year over FY2019 to FY2025.
What does The Marrs McLean Trust #487601 Frost Bank Trustee fund?
By grant dollars over FY2017 to FY2026, its largest causes are Education (100%).
Who are The Marrs McLean Trust #487601 Frost Bank Trustee's largest grantees?
By total granted over FY2017 to FY2026: Baylor College of Medicine ($1.7M), Baylor University ($1.7M), Trinity University ($1.7M).
Does The Marrs McLean Trust #487601 Frost Bank Trustee fund new organizations?
In FY2025, 0% of the organizations it funded were first-time grantees.
Where is The Marrs McLean Trust #487601 Frost Bank Trustee based?
The Marrs McLean Trust #487601 Frost Bank Trustee is based in TX.

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 3 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 2026, released 2026. Filings run roughly 12 to 24 months behind; figures are dated accordingly.

Source object · view filing

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