FundersNew York

Robert David Lion Gardiner

Riverhead, NY · EIN 13-3354308. Reported 269 grants totalling $19.6M to 146 organizations across tax years 2021-2024. This foundation did not tell the IRS it funds only preselected organizations.

Yesaccepts unsolicited requests
$10,000median grant
$19.6Mgranted, 2021-2024
146organizations funded
61%of grantees funded again the next year
$115.1Massets, latest filing

Does this foundation accept applications?

Yes -- on its own tax return. Form 990-PF asks every private foundation whether it makes grants only to organizations it selects itself. Of the 91,758 foundations in our data that made a grant and answered, 78% said yes -- and applying to those is wasted effort. Robert David Lion Gardiner did not check that box on its most recent filing, which puts it in the minority that is at least open to being approached.

This is the foundation's own statement to the IRS, not our judgement, and it says nothing about whether they have a form, a deadline, or an appetite for new grantees. Treat it as the reason this foundation is worth your research time, not as an invitation. Many small foundations of this kind have no website and no application process -- a letter of inquiry is the normal first step.

How big are its grants?

The median grant is $10,000. Half of everything it gave fell between $1,600 and $72,099; the smallest was $1,000 and the largest $1,500,000. If you are asking for materially more than the top of that range, you are asking the wrong foundation.

$1,000 - $5,000
105 grants
$5,000 - $10,000
24 grants
$10,000 - $25,000
34 grants
$25,000 - $50,000
12 grants
$50,000 - $100,000
29 grants
$100,000 and Up
65 grants

Every organization it funded

This is the complete list from its filings, largest first. Years funded is the number of separate tax years in which the organization received money -- more than one means a real relationship rather than a one-off.

OrganizationLocationTotal receivedGrantsYears fundedLast
New York Historical SocietyNew York, NY$1,882,532542024
Cooper Union for the Adv of ScienceNew York, NY$1,426,000432024
Long Island UniversityBrookville, NY$1,389,136442024
PBS FoundationArlington, VA$1,333,334332024
Columbia UniversityNew York, NY$922,017332023
Laguardia Community College FoundLong Island City, NY$840,000332023
Cold Spring Harbor LaboratoryCold Spring Harbor, NY$757,746442024
Gilder Lehrman Institute of AmericaNew York, NY$750,000332023
Green-Wood Historic FundBrooklyn, NY$630,000332024
Montauk Historical SocietyMontauk, NY$578,006442024
New York UniversityNew York, NY$519,700332024
Roslyn Landmark SocietyRoslyn, NY$505,975442024
Fireboat Fire Fighter MuseumGreenport, NY$461,453222024
National Trust for Historic PreservationWashington, DC$333,334112023
National Trust for Historic PresvWashingon, DC$333,333112024
Raynham Hall MuseumOyster Bay, NY$304,600332024
Gilder Lehrman Inst of American HisNew York, NY$250,000112024
Laguardia Community College FndLong Island City, NY$250,000112024
North Shore Land AllianceMill Neck, NY$250,000112022
The History MakersChicago, IL$250,000112024
The HistorymakersChicago, IL$250,000112023
St Thomas Aquinas CollegeSparkill, NY$229,624222024
Research Foundation for SUNY GeneseoAlbany, NY$201,749112023
Mystic Seaport Museum IncMystic, CT$197,534112024
Planting Fields FoundationOyster Bay, NY$177,760112021
Cow Neck Peninsula Histocial SocPort Washington, NY$150,645442024
Museum Association of New YorkTroy, NY$150,000332024
New Amsterdam History CenterNew York, NY$142,238222022
Oyster Bay Railroad MuseumOyster Bay, NY$136,700222024
Ketcham Inn Foundation IncCenter Moriches, NY$134,524442024
Oysterponds Historical SocietyOrient, NY$131,100442024
Three Village Historical SocietySetauket, NY$131,100442024
Shelter Island Historical SocietyShelter Island, NY$129,600332024
Greater Hudson Heritage NetworkElmsford, NY$129,000322024
East Hampton Historical SocietyEast Hampton, NY$126,600222024
Bayport Blue Point Heritage AssocBayport, NY$126,500222022
Smithtown Historical SocietySmithtown, NY$126,000222023
Audubon New YorkNew York, NY$125,000112022
East End African American MuseumSouthampton, NY$125,000112021
The Research Foundation for SUNYAlbany, NY$124,990112021
New York State Archives PartnershipAlbany, NY$110,000332024
Brooklyn Public LibraryBrooklyn, NY$105,500112024
Research Foundation GeneseoAlbany, NY$100,874112024
Lower East Side Tenement MuseumNew York, NY$100,000112021
The New York Landmarks SocietyNew York, NY$100,000222022
Preservation Leauge of NysAlbany, NY$90,000222023
The Caumsett Foundation IncHuntington, NY$86,824222024
Friends of the New York Transit MusBrooklyn, NY$84,180112021
Rocky Point Historical SocietyRocky Point, NY$84,100442024
Webb InstituteGlen Cove, NY$80,000332024
Guild Hall of East Hampton IncEast Hampton, NY$70,419112024
Huntington Lighthouse PreservationHalesite, NY$62,725112021
Suffolk County Vanderbilt MuseumCenterport, NY$58,170222023
Nassau County Museum of Fine ArtRoslyn Harbor, NY$55,205112024
East End Seaport Museum & MarineGreenport, NY$55,000222022
New York University LibraryNew York, NY$54,149112022
Van Wyck-Lefferts Tide Mill SanctuaLloyd Harbor, NY$53,700112023
Jewish Historical Society of Long IslandGreenvale, NY$52,000112024
Queens MuseumQueens, NY$51,600112024
Long Island Children's MuseumGarden City, NY$50,000112024
New York State Archives Ptr TrustAlbany, NY$50,000112024
The New York Landmarks ConservancyNew York, NY$50,000112023
Preservation League of NysAlbany, NY$45,000112024
Yaphank Historical SocietyYaphank, NY$40,402442024
Messiah UniversityMechanicsburg, PA$39,251442024
Suffolk County Vanderbilt Museum and PlanetariumCenterport, NY$38,320112021
Long Island Library Resources CouncilBellport, NY$36,729112024
Byrd Hoffman Water Mill FoundationWatermill, NY$35,688112024
Michigan State UniversityEast Lansing, MI$35,000332023
Waterfront MuseumBrooklyn, NY$34,820332024
Long Island Museum of American Art History and CarriagesStony Brook, NY$34,001112024
Ward Melville Heritag OrganizationStony Brook, NY$32,125112021
Moriches Bay Historical SocietyCenter Moriches, NY$30,000112021
Marist CollegePoughkeepsie, NY$25,000222022
The ChurchSag Harbor, NY$25,000112024
University at AlbanyAlbany, NY$25,000332024
Long Island Seaport and Eco CenterPort Jefferson, NY$24,568112024
Sons of the Revolution of the State of New YorkNew York, NY$22,994112024
Heckscher MuseumHuntington, NY$22,200332024
Friends of Raynham HallOyster Bay, NY$22,139112024
Suffolk County Historical SocietyRiverhead, NY$20,000222023
Historical Society of Greater Port JeffersonPort Jefferson, NY$13,033222024
Hampton Bays Lions ClubHampton Bays, NY$12,000442024
Quogue Historical SocietyQuogue, NY$11,600112024
Long Beach Historical and Preservation SocietyLong Beach, NY$11,000222024
The Jazz LoftStony Brook, NY$10,755442024
Renee & Chaim Gross FoundationNew York, NY$10,500112021
Boston CollegeChestnut Hill, MA$10,000332023
Caroline Church of BrookhavenSetauket, NY$10,000112022
Conscience Point Shellfish HatcherySouthampton, NY$10,000112024
North Sea Community School House AssociationSouthampton, NY$10,000112024
Sag Harbor Historical MuseumSag Harbor, NY$10,000112024
The Victor D'amico Institute of ArtAmaganset, NY$10,000112024
Wading River Cemetery AssociationWading River, NY$10,000112023
Mattituck Laurel Historical SocietyMattituck, NY$9,610222024
Davis Town Meeting House SocietyCoram, NY$9,500112021
Friends of Rock Hall MuseumLawrence, NY$9,500442024
Long Island Maritime MuseumWest Sayville, NY$9,277112024
Wading River Historical SocietyWading River, NY$9,122112024
Historical Society of Islip HamletIslip, NY$8,693112024
Whaling Museum & Education CenterCold Spring Harbor, NY$8,025112024
Association of Public Historians of NysBabylon, NY$8,000112024
Southold Indian MuseumSouthold, NY$7,739112022
Greater Westhampton Historical MuseumsWesthampton Beach, NY$7,675112024
Hamilton CollegeClinton, NY$7,500332023
Greater Patchogue Foundation IncPatchogue, NY$7,295112024
Bellport-Brookhaven Historical SocietyBellport, NY$7,100442024
Hallockville Museum FarmRiverhead, NY$7,100442024
St Joseph's CollegePatchogue, NY$6,986112021
Garden City Historical SocietyGarden City, NY$5,600332024
Lake Ronkonkoma Historical SocietyLake Ronkonkoma, NY$5,600332024
Miller Place Mount Sinai Historical SocietyMiller Place, NY$5,500112024
Dartmouth CollegeHanover, NH$5,000112024
Huntington Historical SocietyHuntington, NY$4,600332024
Walt Whitman Birthplace AssociationHuntington, NY$4,600332024
Southold Historical SocietySouthold, NY$4,500332023
Village of Babylon Historical SocieBabylon, NY$4,500332023
Preservation Long IslandCold Spring Harbor, NY$3,100222024
Lake Ronkonkoma Heritage AssocLake Ronkonkoma, NY$3,000222022
Southampton African American MuseSouthampton, NY$3,000222022
Graphic Image Group IncEast Hampton, NY$2,800112022
The Longwood Alliance IncMiddle Island, NY$2,623112022
Harold HolzerNew York, NY$2,500112024
Rites of Spring Music Festival IncSouthold, NY$2,500112023
Sea Education Association IncFalmouth, MA$2,500112021
Bridgehampton MuseumBridgehampton, NY$1,600112024
Celebrate St James Past Present FutureSt James, NY$1,600112024
East End Seaport Museum and Marine FoundationGreenport, NY$1,600112024
Friends of Old Bethpage RestorationEast Williston, NY$1,600112024
Ma's House & Bipoc Art StudioSouthampton, NY$1,600112024
Southold Historical MuseumSouthold, NY$1,600112024
Stirling Historical Scociety of GreenportGreenport, NY$1,600112024
The Agricultural Society FundEast Williston, NY$1,600112024
Village of Babylon Historical and Preservation SocietyBabylon, NY$1,600112024
Babylon Town Historical SocietyBabylon, NY$1,500112022
Eastville Community Historical SociSag Harbor, NY$1,500112021
Greater Patchogue Historical SocPatchogue, NY$1,500112021
Greater Patchogue Historical SocietPatchogue, NY$1,500112023
Local Tv IncWainscott, NY$1,500112021
Northport Historical SocietyNorthport, NY$1,500112023
Southampton Historical MuseumSouthampton, NY$1,500112021
Southampton History MuseumSouthampton, NY$1,500112023
Ws Commerdinger JR County ParkNesconset, NY$1,500112021
Arts Project of Cherry Grove NyCherry Grove, NY$1,000112022
Friends of Cedarmere IncRoslyn Harbor, NY$1,000112023
Sag Harbor Historical SocietySag Harbor, NY$1,000112023

62 of 146 (42%) received money in more than one year over the 4 years we hold.

Measured the way we measure every foundation -- what share of one year's grantees are funded again the next -- this one retains 61%, across 3 year-to-year transitions. The median foundation retains about 67%, so this one is about typical. A high number means its list is close to settled and a newcomer has to displace someone; a low one means it is still moving money around, which is where an opening is.

What the money was for

Taken verbatim from the purpose field of its filings. This is the closest thing to a statement of what this foundation cares about, in its own words.

What kind of organizations it funds

By the recipient's own IRS classification, for the 133 grants where we could identify the organization. These are assigned categories, not our guesses.

Arts & Culture
97 grants
Education
24 grants
Science & Technology
4 grants
Environment
4 grants
Community Improvement
3 grants
Philanthropy & Grantmaking
1 grant

Giving by year

Tax yearGrantsTotalMedian grant
202159$4,946,291$10,500
202258$4,209,512$11,140
202361$3,955,695$3,000
202491$6,448,848$10,000

Tax years, not calendar years, and the most recent year is usually incomplete -- filings arrive about a year late, so a low final year means late paperwork rather than a foundation winding down.

Already committed for future years

Form 990-PF has a separate schedule for grants approved but not yet paid. Robert David Lion Gardiner has 7 of them, worth $5,000,700. This is the one part of the filing that looks forward rather than back -- and it also tells you how much of the next year's budget is already spoken for.

OrganizationLocationApproved
Cold Spring Harbor LaboratoryCold Spring Harbor, NY$2,500,000
New York Historical SocietyNew York, NY$1,500,000
New York UniversityNew York, NY$900,000
Long Island Children's MuseumGarden City, NY$50,000
Dartmouth CollegeHanover, NH$35,000
Whaling Museum & Education CenterCold Spring Harbor, NY$8,025
Greater Westhampton Historical MuseumsWesthampton Beach, NY$7,675

Where its money goes

Foundations concentrate geographically far more than their mission statements suggest. 86% of this one's giving went to organizations in New York. If you are outside its footprint, that matters more than how well your programme fits.

New York
$16.8M
Virginia
$1.3M
District of Columbia
$667K
Illinois
$500K
Connecticut
$198K
Pennsylvania
$39K
Michigan
$35K
Massachusetts
$12K

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Funders that support the same organizations

These funders gave to organizations this one also funded -- some private foundations, some community foundations and other grantmaking charities. Shared grantees are the strongest available signal that two funders have overlapping priorities, and a funder already backing your peers is a far warmer prospect than one that merely lists your cause.

Fidelity Investments Charitable Gift Fund37 shared recipientsDonor Advised Charitable Giving Inc35 shared recipientsVanguard Charitable Endowment Program26 shared recipientsAmerican Online Giving Foundation Inc23 shared recipientsMorgan Stanley Global Impact Funding Trust Inc20 shared recipientsNational Philanthropic Trust18 shared recipients

How to approach this foundation

  1. Check you are its size. The median grant is $10,000. Asking for ten times that is the most common way small organizations waste a submission.
  2. Check you are in its geography. Its giving is concentrated in New York.
  3. Read the recipient list above for organizations like yours. If nothing on it resembles your work, that is a real answer, and a cheap one to get.
  4. Look up the current filing before writing. The 990-PF names the foundation's officers and, where one exists, its application procedure. We link it below.

Related guides

Foundations funding arts & culture in New YorkEvery funder in this group, rankedFoundations funding education in New YorkEvery funder in this group, rankedFoundations funding environment in New YorkEvery funder in this group, ranked

Where these numbers come from

Everything above is taken from Robert David Lion Gardiner's own Form 990-PF filings, which the IRS publishes in bulk. We used 4 returns (tax years 2021-2024). Nothing here is scraped, inferred, or estimated.

Address of record on the latest return: 30 W Main St Suite 309, Riverhead, NY, 11901. This is the address the foundation gave the IRS; many small foundations file through an accountant or a bank trust department, so it may not be where post to a programme officer should go.

EIN 13-3354308 · See the original filings on ProPublica · How we build this

This is history, not an open call. Foundation returns are published about a year after the tax year ends. Nothing on this page is a deadline. It is a record of who this foundation has actually funded, which is the best available predictor of who it will fund next -- and a much better basis for deciding whether to write to them than a mission statement.

Is something here wrong about your foundation? Email hello@funderscope.com and we will correct it.