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· Private foundation

The Volgenau Foundation

Its FY2024 filing reports that it funds preselected organizations and did not take unsolicited requests; check the foundation's own site before ruling it out.

$13M
Granted FY2024still arriving
60
Grants FY2024still arriving
16
States reached
$4.1M
Largest
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.

Environment$57MAnimals$14MArts & Culture$7.2MPhilanthropy$3.1MEducation$1.1MRecreation & Sports$810kPublic Safety & Disaster$550kScience & Tech$375kOther$0
02FY2024 · 60 grants

Where the money goes

Grants by size, and the largest recipients.

By grant size · FY2024

  • $10k–50k3 grants · $75k
  • $50k–250k41 grants · $4.4M
  • $250k+16 grants · $9.0M
$125,000
Median grant
16
States reached
$166M
Total assets
Largest grants
RecipientAmount
Individual grant recipient$4,146,628
PLASTIC SOLUTIONS FUND A SPONSORED PROJECT OF ROCKEFELLER PHILANTHROPY ADVI$500,000
GREATER YELLOWSTONE COALITION$400,000
CENTER FOR LARGE LANDSCAPE CONSERVATION$400,000
YELLOWSTONE TO YUKON CONSERVATION INITIATIVE$400,000
NATIONAL PARKS CONSERVATION ASSOCIATION$400,000
Individual grant recipient$350,000
INDIGENOUS LED A PROJECT OF WILD FOUNDATION$300,000
LAND TRUST ALLIANCECBFN$300,000
APPALACHIAN TRAIL CONSERVANCY$300,000
EARTHJUSTICE$250,000
DEFENDERS OF WILDLIFE$250,000
THE NATURE CONSERVANCY OF CALIFORNIA$250,000
THE WYLDLIFE FUND$250,000
SHARK CONSERVATION FUND A PROJECT OF ROCKEFELLER PHILANTHROPY ADVISORS$250,000
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 (FY17–20, $150k) land where the poverty rate runs at 11%, against an area that typically sits at 10%. 67% of those dollars go to grantees based in above-average-need neighborhoods. Most of its grants land in higher-need ZIPs.

area typical 10%FOR LOVE OF CHILDREN: $25k → 14%AMERICAN RED CROSS IN THE NATIONAL CAPITAL REGION: $50k → 6%FOR LOVE OF CHILDREN: $25k → 14%FOR LOVE OF CHILDREN: $25k → 14%FOR LOVE OF CHILDREN: $25k → 14%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.

Which US states its grants reach

AK
WA
MT
IL
WI
NY
MA
OR
WY
SD
CA
UT
CO
WV
VA
MD
AZ
NC
DC
TX
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.
04

Where the work is directed

The same grants placed two ways: where each recipient sits, and where its stated purpose sends the money.

About 7% of The Volgenau Foundation’s grant dollars are earmarked for a different county than the recipient’s own address. By recipient address, 20% of the giving stays in VA; by stated purpose, 22%.

The Volgenau Foundationlessmore of its giving
Placed by recipient address
How this is measured
Recipient view: each grant at its grantee’s ZIP, mapped to a county. Directed view: each grant at the county its stated purpose names, falling back to the recipient’s county when the purpose names no place; US grants only. A county shows only if it carries the top 95% of that view’s dollars. Purposes are read from the funder’s own 990 grant descriptions.
03Its grantees
repeat funding

Who it funds again

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

86%of every dollar goes to organizations it has funded before.
$74M · 66 repeat orgs$12M to everyone else

Grantees it renews have grown median revenue +47% since the first grant, against +40% for those funded once.

66 repeat relationships: 44 still active in FY2024, 22 since wound down; 11 grantees were first funded in FY2024 (too recent to call).

How the two cohorts compare

Re-uppedFunded once

Organizations

66
26

Total granted

$74M
$6.3M

Median revenue growth · since first grant

+47%
+40%

Still filing today

70%
62%

New vs renewed · share of each year

In FY2024, 56% of grant dollars renewed an existing relationship; $5.9M went to new ones.

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

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

’17’18’19’20’21’22’23’24
EnvironmentAnimalsArts & CultureEducationRecreation & 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

  • AT
    APPALACHIAN TRAIL CONSERVANCY
    7× · 2017–2024 · $4.5M · revenue +126%
  • YT
    YELLOWSTONE TO YUKON
    8× · 2017–2024 · $4.0M · revenue +44%
  • GY
    GREATER YELLOWSTONE COALITION
    8× · 2017–2024 · $3.7M · revenue +45%

Funded once

  • REWILDgraduated
    one grant, 2023 · $2.1M · revenue +41%
  • AB
    American Battlefield Trustgraduated
    one grant, 2018 · $1.0M · revenue +50%
  • N
    NATUREBRIDGE
    one grant, 2017 · $530k · revenue -12%
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
Rainforest Trust

Rainforest trust saves endangered wildlife and protects our planet by creating rainforest reserves through partnerships, community engagement, and donor support.

International
2
Wildlife Conservation Network Inc

Connect conservationists and supporters, deploy resources to the field, provide conservationists with tools and support they need to succeed.

Animals
3
Wildcoast

The mission of wildcoast is to conserve coastal and marine ecosystems and address climate change through natural solutions. our staff is dedicated to conserving threatened and endangered coastlines and wildlife in california and mexico.…

Environment
4
Wildearth Guardians

Wildearth guardians works to protect and restore the wildlife, wild places, wild rivers, and health of the american west.

Unclassified
5
Cascadia Wildlands

Cascadia wildlands defends and restores cacasia's wild ecosystems in the forests,in the courts, and in the streets. we envision vast old-growth forests, rivers full of wild salmon, wolves howling in the backcountry, a stable climate, and…

Environment
6
Environmental Investigation Agency

To establish and promote programs to protect the global climate, forests, wildlife and the natural environment, through research, advocacy, and investigation.

International
7
Western Rivers Conservancy

Western rivers conservancy's mission is to protect outstanding river ecosystems in the western united states. continued on schedule o.we acquire land to conserve critical habitat, provide public access for compatible use and enjoyment, and…

Environment
8
National Fish and Wildlife Foundation

To sustain, restore, and enhance the nation's fish, wildlife, plants, and habitats.

Animals
9
Washington Wild

Washington wild protects and restores wild lands and waters in washington state through advocacy, education and civic engagement.

Animals
10
Eastern National

Eastern national promotes the public's understanding and support of america's national parks and other public trust partners by providing quality educational experiences, products and services.

Recreation & Sports
11
Sustainable Conservation

Sustainable Conservation advances the collaborative stewardship of Californias land, air, and water for the benefit of nature and people. For over three decades, Sustainable Conservation has built coalitions of people with different…

Environment
12
Native Plant Trust Inc

The organization's mission is to conserve and promote new england's native plants to ensure healthy, biologically diverse landscapes.

Environment
How this is measured
The grantee most central to the portfolio’s shape is Social and Environmental Entrepreneurs (See) Inc; the most unlike its peers is Sierra Streams Institute. Resemblance is measured on each organization’s own IRS 990 mission text; it reflects how work is described, not its quality or impact.
05the grantee network

68 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. 68 of the 104 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.

5
Load-bearing (≥25% of a budget)
13
Early backer (in before they grew)
67/68
Grantees still filing
55/68
Grew since first funded

Where the money sits, by cause and then by grantee

THE NATURE CONSERVANCY IN VIRGINIA: $5,300,000 · OtherTHE NATURE CONSERVANCY IN VIRGINIATHE NATURE CONSERVANCY OF CALIFORNIA: $4,200,000 · OtherTHE NATURE CONSERVANCY OF CALIFORNIAIndividual grant recipient: $4,146,628 · OtherIndividual grant recipientSMITHSONIAN CONSERVATION BIOLOGY INSTITUTE: $4,125,000 · OtherSMITHSONIAN CONSERVATION BIOLOGY INSTITUTEIndividual grant recipient: $3,470,000 · OtherIndividual grant recipientLAND TRUST ALLIANCECBFN: $2,160,000 · OtherLAND TRUST ALLIANCECBFNPLASTIC SOLUTIONS FUND: $1,500,000 · Other+40 more: $7,898,900 · Other+40 moreYELLOWSTONE TO YUKON: $4,000,000 · EnvironmentYELLOWSTONE TO YUKONGREATER YELLOWSTONE COALITION: $3,700,000 · EnvironmentGREATER YELLOWSTONE COALITIONNATIONAL PARKS CONSERVATION ASSOCIATION: $3,260,000 · EnvironmentNATIONAL PARKS CONSERVATION ASSOCIATIO…CLIMATE CONSERVATION DBA CENTER FOR LARGE LANDSCAPE CONSERVATION: $3,000,000 · EnvironmentCLIMATE CONSERVATION DBA CENTER FOR LA…SUSTAINABLE MARKETS FOUNDATION: $2,355,308 · EnvironmentSUSTAINABLE MARKETS FOUNDATIONALASKA WILDERNESS LEAGUE: $1,600,000 · EnvironmentEARTHJUSTICE: $1,500,000 · EnvironmentNATIONAL MARINE SANCTUARY FOUNDATION: $1,385,000 · EnvironmentALASKA CONSERVATION FOUNDATION: $1,355,000 · EnvironmentTHE POTOMAC CONSERVANCY INC: $1,165,000 · EnvironmentAMERICAN PRAIRIE FOUNDATION: $1,100,000 · EnvironmentTHE PIEDMONT ENVIRONMENTAL COUNCIL: $1,075,000 · Environment+15 more: $4,695,000 · Environment+15 moreDefenders of Wildlife: $2,515,000 · AnimalsDefenders of…REWILD: $2,051,438 · AnimalsREWILDWildlife Conservation Society: $2,000,000 · AnimalsWildlife Con…NEW ENGLAND AQUARIUM CORPORATION: $1,140,000 · AnimalsNEW ENGLAND …POINT REYES BIRD OBSERVATORY: $715,000 · AnimalsPOINT REYES …CALIFORNIA MARINE SANCTUARY FOUNDATION: $410,000 · Animals+6 more: $1,100,000 · Animals+6 moreWild Earth Society Incorporated: $1,300,000 · Arts & CultureWild Eart…FROM THE TOP INC: $1,280,000 · Arts & CultureFROM THE …NATIONAL SYMPHONY ORCH ASSN OF WASHINGTON DC: $1,200,000 · Arts & CultureNATIONAL …American Battlefield Trust: $1,000,000 · Arts & CultureAmerican …LEVINE MUSIC INC: $625,000 · Arts & CultureLEVINE MU…SMITHSONIAN INSTITUTION: $555,000 · Arts & CultureSMITHSONI…NORTHERN CHUMASH TRIBAL COUNCIL: $500,000 · Arts & CultureNORTHERN …WOLF TRAP FOUNDATION FOR THE PERFORMING ARTS: $480,000 · Arts & CultureWOLF TRAP…GREATER WASHINGTON EDUCATIONAL TELECOMMUNICATIONS ASSOCIATION INC: $250,000 · Arts & Culture+1 more: $100,000 · Arts & CultureAPPALACHIAN TRAIL CONSERVANCY: $4,450,000 · Recreation & SportsFRIENDS OF KENILWORTH AQUATIC GARDENS: $605,000 · Recreation & SportsROCKEFELLER PHILANTHROPY ADVISORS INC: $2,250,000 · PhilanthropyUNITED WAY OF NORTHERN CALIFORNIA: $300,000 · Philanthropy+1 more: $65,000 · PhilanthropySPARK THE JOURNEY: $330,000 · EducationThe Climate Center: $50,000 · EducationCOLLEGE SUMMIT INC: $30,000 · Education
Other$32,800,528Environment$30,190,308Animals$9,931,438Arts & Culture$7,290,000Recreation & Sports$5,055,000Philanthropy$2,615,000Education$410,000

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

25%50%75%100%$1.0M$10M$100Mgrantee revenue →↑ funder's share of their budgetAPPALACHIAN TRAIL CONSERVANCY: $4,450,000 over 7y, 20% of budgetYELLOWSTONE TO YUKON: $4,000,000 over 8y, 17% of budgetGREATER YELLOWSTONE COALITION: $3,700,000 over 8y, 16% of budgetNATIONAL PARKS CONSERVATION ASSOCIATION: $3,260,000 over 8y, 1.3% of budgetCLIMATE CONSERVATION DBA CENTER FOR LARGE LANDSCAPE CONSERVATION: $3,000,000 over 7y, 23% of budgetDefenders of Wildlife: $2,515,000 over 8y, 1.1% of budgetSUSTAINABLE MARKETS FOUNDATION: $2,355,308 over 3y, 4.6% of budgetROCKEFELLER PHILANTHROPY ADVISORS INC: $2,250,000 over 3y, 0.1% of budgetREWILD: $2,051,438 over 1y, 3.9% of budgetWildlife Conservation Society: $2,000,000 over 4y, 0.2% of budgetALASKA WILDERNESS LEAGUE: $1,600,000 over 7y, 6.3% of budgetEARTHJUSTICE: $1,500,000 over 6y, 0.2% of budgetNATIONAL MARINE SANCTUARY FOUNDATION: $1,385,000 over 7y, 2.6% of budgetALASKA CONSERVATION FOUNDATION: $1,355,000 over 7y, 18% of budgetWild Earth Society Incorporated: $1,300,000 over 7y, 9.5% of budgetFROM THE TOP INC: $1,280,000 over 8y, 9.6% of budgetNATIONAL SYMPHONY ORCH ASSN OF WASHINGTON DC: $1,200,000 over 5y, 41% of budgetTHE POTOMAC CONSERVANCY INC: $1,165,000 over 8y, 29% of budgetNEW ENGLAND AQUARIUM CORPORATION: $1,140,000 over 8y, 0.5% of budgetAMERICAN PRAIRIE FOUNDATION: $1,100,000 over 5y, 1.6% of budgetTHE PIEDMONT ENVIRONMENTAL COUNCIL: $1,075,000 over 8y, 8.5% of budgetAmerican Battlefield Trust: $1,000,000 over 1y, 2.6% of budgetTRUSTEES FOR ALASKA: $1,000,000 over 7y, 10% of budgetPOINT REYES BIRD OBSERVATORY: $715,000 over 8y, 1.9% of budgetLEVINE MUSIC INC: $625,000 over 7y, 0.9% of budgetPEOPLE AND CARNIVORES INC: $615,000 over 7y, 33% of budgetFRIENDS OF KENILWORTH AQUATIC GARDENS: $605,000 over 8y, 38% of budgetSMITHSONIAN INSTITUTION: $555,000 over 4y, 0.0% of budgetNATUREBRIDGE: $530,000 over 1y, 2.1% of budgetRIVER PARTNERS: $530,000 over 7y, 0.7% of budgetNORTHERN CHUMASH TRIBAL COUNCIL: $500,000 over 3y, 21% of budgetWOLF TRAP FOUNDATION FOR THE PERFORMING ARTS: $480,000 over 7y, 0.3% of budgetLAND TRUST ALLIANCE INC: $420,000 over 2y, 2.9% of budgetCALIFORNIA MARINE SANCTUARY FOUNDATION: $410,000 over 6y, 6.5% of budgetCHESAPEAKE BAY FOUNDATION INC: $350,000 over 2y, 0.7% of budgetSPARK THE JOURNEY: $330,000 over 8y, 3.3% of budgetThe Ocean Foundation: $315,000 over 8y, 0.5% of budgetUNITED WAY OF NORTHERN CALIFORNIA: $300,000 over 1y, 3.1% of budgetVIRGINIA EASTERN SHORE LAND TRUST: $295,000 over 6y, 38% of budgetENDANGERED SPECIES COALITION: $290,000 over 5y, 11% of budgetLIGHTHAWK: $280,000 over 6y, 9.1% of budgetINTERNATIONAL WILDERNESS LEADERSHIP FOUNDATION INC: $275,000 over 1y, 4.1% of budgetCENTER FOR BIOLOGICAL DIVERSITY INC: $255,000 over 5y, 0.2% of budgetGREATER WASHINGTON EDUCATIONAL TELECOMMUNICATIONS ASSOCIATION INC: $250,000 over 1y, 0.2% of budgetTHE WYLDLIFE FUND: $250,000 over 1y, 7.1% of budgetBUILDING BRIDGES ACROSS THE RIVER INC: $200,000 over 1y, 1.1% of budgetAmerican Bird Conservancy: $150,000 over 3y, 0.5% of budgetWOLF HAVEN INTERNATIONAL: $130,000 over 5y, 2.4% 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 APPALACHIAN TRAIL CONSERVANCY ↗
  • Who funds YELLOWSTONE TO YUKON ↗
  • Who funds GREATER YELLOWSTONE COALITION ↗
  • Who funds NATIONAL PARKS CONSERVATION ASSOCIATION ↗
  • Who funds CLIMATE CONSERVATION DBA CENTER FOR LARGE LANDSCAPE CONSERVATION ↗
  • Who funds Defenders of Wildlife ↗
  • Who funds SUSTAINABLE MARKETS FOUNDATION ↗
  • Who funds ROCKEFELLER PHILANTHROPY ADVISORS INC ↗
  • Who funds REWILD ↗
  • Who funds Wildlife Conservation Society ↗
  • Who funds ALASKA WILDERNESS LEAGUE ↗
  • Who funds EARTHJUSTICE ↗
  • Who funds NATIONAL MARINE SANCTUARY FOUNDATION ↗
  • Who funds ALASKA CONSERVATION FOUNDATION ↗
  • Who funds Wild Earth Society Incorporated ↗
  • Who funds FROM THE TOP INC ↗
  • Who funds NATIONAL SYMPHONY ORCH ASSN OF WASHINGTON DC ↗
  • Who funds THE POTOMAC CONSERVANCY INC ↗
  • Who funds NEW ENGLAND AQUARIUM CORPORATION ↗
  • Who funds AMERICAN PRAIRIE FOUNDATION ↗
  • Who funds THE PIEDMONT ENVIRONMENTAL COUNCIL ↗
  • Who funds American Battlefield Trust ↗
  • Who funds TRUSTEES FOR ALASKA ↗
  • Who funds POINT REYES BIRD OBSERVATORY ↗
  • Who funds LEVINE MUSIC INC ↗
  • Who funds PEOPLE AND CARNIVORES INC ↗
  • Who funds FRIENDS OF KENILWORTH AQUATIC GARDENS ↗
  • Who funds SMITHSONIAN INSTITUTION ↗
  • Who funds NATUREBRIDGE ↗
  • Who funds RIVER PARTNERS ↗

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.

PatagoniaorgCA29.2× affinity13 shared granteesties to 11 of 11Hover any node to trace its alignments.Compare side by side →

Open a dossier: Patagoniaorg · Resources Legacy Fund · Wilburforce Foundation · Gordon E and Betty I Moore Foundation · The Nature Conservancy · Clif Family Foundation · Marin Community Foundation · The New-Land Foundation Inc · The Pew Charitable Trusts · The Fanwood Foundation · Tortuga Charitable Foundation · Weeden 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 The Volgenau Foundation funds: left to right is the share of its income from government, bottom to top the share from The Volgenau Foundation. Bigger dots raise more.

2024
’20’21’22’23’24’25
no gov · 20%3%13%28%50%funder's share of their income ↑0%25%50%75%100%share of the org’s income from government →median 12%
  • National Marine Sanctuary Foundation: 88% of income from government
  • Woods Hole Oceanographic Institution: 63% of income from government
  • New England Aquarium Corporation: 12% of income from government
  • From the Top Inc: 6% of income from government
  • Chesapeake Bay Foundation Inc: 2% of income from government
no gov moneyreceives it· size = income
2get no government money at all
18report government grants on their 990 we could not trace to a source (not plotted)
2rely on government for over half their income
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.
05Through Plinth

Warm introductions · Powered by PlinthPlus

How do I get to The Volgenau Foundation?

Find your warmest path to The Volgenau 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.

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 104 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 2024, released 2024. Filings run roughly 12 to 24 months behind; figures are dated accordingly.

Source object · view filing

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