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· Private foundation

Tarandi Foundation

Its FY2025 filing reports that it accepted unsolicited grant applications.

$86k
Granted FY2025still arriving
8
Grants FY2025still arriving
2
States reached
$70k
Largest

Read this first · the figures below need context

81% of Tarandi Foundation’s FY2025 grant dollars went to Brown University, not to grantees.

Its money now reaches organizations through that sponsor, which does not report who recommended each grant. FY2025 names 2 organizations directly, so a portfolio cannot be read from it.

Organizations named directly on the return

2
’17
3
’18
5
’19
5
’20
4
’21
2
’22
3
’23
2
’24
2
’25

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

01What it funds
01100% classified

What it funded, over time

Every grant placed by its stated purpose and the recipient’s mission, by year, FY2017 to 2024.

Education$571kCommunity Improvement$15kPublic Benefit$2kRecreation & Sports$1kFood & Nutrition$1kArts & Culture$350Health$251
02FY2025 · 8 grants

Where the money goes

Grants by size, and the largest recipients.

By grant size · FY2025

  • Under $10k7 grants · $16k
  • $50k–250k1 grant · $70k
$2,000
Median grant
2
States reached
$2.7M
Total assets
Largest grants
RecipientAmount
BROWN UNIVERSITY$69,653
SUNY OSWEGO$6,000
OSWEGO BOOKMOBILE$2,500
MEXICO CENTRAL SCHOOL DISTRICT$2,000
SANDY CREEK CENTRAL SCHOOL$2,000
HANNIBAL CENTRAL SCHOOL DISTRICT$2,000
ROTARY CLUB OF OSWEGO$1,000
CATO MERIDAN CENTRAL SCHOOL$750
02The need
03

Does the money reach high-need areas?

Each grant placed by the hardship in its grantee’s ZIP, against the area’s typical level.

show:

Its human-services grants (FY20–20, $1k) land where the poverty rate runs at 17%, against an area that typically sits at 12%. 100% of those dollars go to grantees based in above-average-need neighborhoods. Most of its grants land in higher-need ZIPs.

area typical 12%HUMAN CONCERNS INC: $1k → 17%0%20%40%50%more need →
grant to an above-average-need area below average· circle size = grant amount
How this is measured
Matched: human-services grants are those whose grantee’s IRS cause code is Human Services. Placed by people below the poverty line in the grantee’s ZIP, averaged from the tracts in that ZIP.
How this is measured
US grants placed by each grantee’s ZIP, which can differ from where services are delivered. Need from public data (U.S. Census/ACS, CDC PLACES, Eviction Lab, USDA), shown as context about the area, never attributed to the funder’s giving.
03Its grantees
repeat funding

Who it funds again

Organizations funded in more than one year, against those funded once.

88%of every dollar goes to organizations it has funded before.
$126k · 14 repeat orgs$18k to everyone else

Grantees it renews have grown median revenue +24% since the first grant, against +6% for those funded once.

14 repeat relationships: 5 still active in FY2025, 9 since wound down; 2 grantees were first funded in FY2025 (too recent to call).

How the two cohorts compare

Re-uppedFunded once

Organizations

14
13

Total granted

$126k
$15k

Median revenue growth · since first grant

+24%
+6%

Still filing today

21%
15%

New vs renewed · share of each year

In FY2025, 83% of grant dollars renewed an existing relationship; $3k went to new ones.

50%100%’17’18’19’20’21’22’23’24’25
RenewedFirst-time

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

’17’18’19’20’21’22’23’24’25
EducationYouth DevelopmentRecreation & SportsHuman ServicesOther
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.

Backed again, and grew

  • OU
    OSWEGO UNIVERSITY FOUNDATION INC
    2× · 2019–2021 · $27k · revenue +88%
  • OB
    OSWEGO BOOKMOBILE INC
    4× · 2019–2025 · $9k · revenue +65%
  • D
    DONORSCHOOSEORG
    5× · 2017–2022 · $4k · revenue +24%

Funded once

  • AC
    APW CENTRAL SCHOOL DISTRICT
    one grant, 2024 · $6k
  • AE
    APW EDUCATIONAL FOUNDATION INC
    one grant, 2021 · $3k
  • ME
    MINETTO ELEMENTARY SCHOOL
    one grant, 2024 · $1k
How this is measured

Repeat means funded in two or more distinct years. Growth and survival are read from each grantee’s own subsequent IRS filings.

04Its field

Closest unfunded matches

The nonprofits that most resemble its grantees but are not funded by it, scored along the direction from the rest of the field toward the portfolio. A resemblance in what they say they do, not a recommendation.

1
Oswego Alumni Association Inc

The oswego alumni association's purpose is to promote the welfare of the state university of new york at oswego through alumni programs, publications and scholarships.

Education
2
State University College At Oswego Student Association Inc

To promote in the interest of the college community, a program of service, social activity, and educational projects through the expenditure of the student activity fee organized to serve the student body agency in the presentation of…

—
3
Auxiliary Services State University College At Oswego Inc

The organization operates, manages and promotes ancillary services for the benefit of the campus community, including faculty, staff and students in harmony with the educational mission and goals of the state university of new york at…

Education
4
Oscoda Sports Boosters

To support educational youth sports programs in oscoda, michigan, by helping to provide team uniforms, equipment, supplies, transportation and other support for high school and middle school sports programs.

Education
5
Oscoda Educ Opportunity Foundation

Award scholarships for college education

Education
6
Oswego High School Band Parents Association Inc

The organization supports the local high school band and color guard.

Education
7
Oswego Middle School Hsa Inc

The organization is a parent teacher entity for the local middle school.

Education
8
Lake Oswego High School Parent Club

Support to lake oswego high school

Education
9
Oswego County Historical Society

The oswego county historical society seeks to interpret its collections to connect the community to past, present and future topics relevant to local history, and to promote a public interest in oswego countys historical resources.

Arts & Culture
10
Lake Oswego School District Foundation Inc

Investing in public education to give students unmatched opportunities to flourish.

—
11
Oswego Foundation for Educational Excellence

A community based organization of interested citizens committed to the goal of enriching and enhancing educational opportunities for the youth of Community School District 308 by providing funding beyond the normal operating budget of the…

Education
12
Oswego School District Public Library

See schedule othe mission of the oswego public library is to be the learning center for the greater oswego area and the place people turn to for the discovery of ideas, the joy of reading and the power of information. our diverse…

Education
How this is measured
The grantee most central to the portfolio’s shape is Oswego University Foundation Inc; the most unlike its peers is Fulton Sunrise Rotary Club. Resemblance is measured on each organization’s own IRS 990 mission text; it reflects how work is described, not its quality or impact.
04the grantee network

9 grantees tracked through their own filings, 2017–2025.

Each grant beside the grantee’s revenue from every source, year by year.

How this is measured

Counted here: distinct organizations funded across 2017 to 2025, not grant rows in a single year, so this will not match the grant count on the cover. 9 of the 30 grantees resolved in that span have returns of their own we could reconcile.

Each grantee is resolved to its own IRS returns. Association, dated; never a causal claim.

0
Load-bearing (≥25% of a budget)
3
Early backer (in before they grew)
6/9
Grantees still filing
6/9
Grew since first funded

Where the money sits, by cause and then by grantee

BROWN UNIVERSITY: $533,601 · Community ImprovementBROWN UNIVERSITYSUNY OSWEGO: $27,000 · OtherSUNY OSWEGOFULTON SUNRISE ROTARY CLUB: $15,000 · OtherFULTON SUNRISE R…NEST M: $8,370 · OtherNEST MHANNIBAL CENTRAL SCHOOL DISTRICT: $7,000 · OtherHANNIBAL CENTRAL…SANDY CREEK CENTRAL SCHOOL DISTRICT: $6,750 · OtherSANDY CREEK CENT…OSWEGO ROTARY FOUNDATION INC: $6,500 · OtherOSWEGO ROTARY FO…APW CENTRAL SCHOOL DISTRICT: $6,000 · OtherAPW CENTRAL SCHO…MEXICO CENTRAL SCHOOL DISTRICT: $5,250 · OtherCATO MERIDIAN CENTRAL SCHOOL: $4,250 · Other+13 more: $13,851 · Other+13 moreOSWEGO UNIVERSITY FOUNDATION INC: $27,455 · EducationDONORSCHOOSEORG: $4,462 · Education+2 more: $1,500 · EducationOSWEGO BOOKMOBILE INC: $9,000 · Youth DevelopmentHUMAN CONCERNS INC: $1,000 · Human ServicesOSWEGO LAKER SWIM CLUB CORPORATION: $100 · Recreation & Sports
Community Improvement$533,601Other$99,971Education$33,417Youth Development$9,000Human Services$1,000Recreation & Sports$100

Each grantee by its size and the funder’s share of it; top left is load-bearing

25%50%75%100%$100k$1.0M$10M$100Mgrantee revenue →↑ funder's share of their budgetBROWN UNIVERSITY: $533,601 over 9y, 0.0% of budgetOSWEGO UNIVERSITY FOUNDATION INC: $27,455 over 2y, 0.4% of budgetFULTON SUNRISE ROTARY CLUB: $15,000 over 5y, 17% of budgetOSWEGO BOOKMOBILE INC: $9,000 over 4y, 6.7% of budgetDONORSCHOOSEORG: $4,462 over 5y, 0.0% of budgetMANLIUS PEBBLE HILL SCHOOL INC: $1,000 over 1y, 0.0% of budgetHUMAN CONCERNS INC: $1,000 over 1y, 0.6% of budgetOSWEGO LAKER SWIM CLUB CORPORATION: $100 over 2y, 0.1% of budget
Grantee by grantee: a decade per organization, before and after funding

A decade per grantee: revenue shaded, grants as bars, all rows on one timeline.

  • Who funds BROWN UNIVERSITY ↗
  • Who funds OSWEGO UNIVERSITY FOUNDATION INC ↗
  • Who funds FULTON SUNRISE ROTARY CLUB ↗
  • Who funds OSWEGO BOOKMOBILE INC ↗
  • Who funds DONORSCHOOSEORG ↗
  • Who funds MANLIUS PEBBLE HILL SCHOOL INC ↗
  • Who funds HUMAN CONCERNS INC ↗
  • Who funds BUCCANEER BOOSTERSINC ↗
  • Who funds OSWEGO LAKER SWIM CLUB CORPORATION ↗

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 James V Tesoriero Charitable FundNY13.6× affinity4 shared granteesties to 2 of 2Hover any node to trace its alignments.Compare side by side →

Open a dossier: The James V Tesoriero Charitable Fund · Richard S Shineman Foundation · Amazonsmile Foundation

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.

How much its grantees rely on government

Each dot is one organization Tarandi Foundation funds: left to right is the share of its income from government, bottom to top the share from Tarandi Foundation. Bigger dots raise more.

2025
’20’21’22’23’24’25
no gov · 00%1%5%11%20%funder's share of their income ↑0%4%8%11%15%share of the org’s income from government →
    no gov moneyreceives it· size = income
    0get no government money at all
    3report government grants on their 990 we could not trace to a source (not plotted)
    0rely on government for over half their income
    ⤢ axis zoomed · 0–15%
    typical government reliance, FY20–25
    How this is measured
    Government income is each org’s traced federal awards (USASpending grants and contracts) plus state payments (open checkbooks) as a share of its total revenue (IRS Form 990); the self-reported government-grant line (990 line 1e) is carried for cross-check: a grantee that reports government grants we could not trace to a source is left off the chart rather than shown as receiving none. An association, not a claim that a grant caused the public funding. Coverage is precision-first, a floor rather than a census; state records exist for 9 states, so a grantee outside them shows no state figure (dimmed) rather than a false zero. Federal award amounts are obligations, which can span years, so a single-year share is indicative. 990 filings lag 12 to 24 months.

    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 30 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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