{"ein":"464323935","name":"GIGI & AVERELL H MORTIMER FOUNDATION","city":"HARRIMAN","state":"NY","ntee_code":"T99","subsection_code":"03","form_type":"990PF","totals":{"paid_usd":170350,"paid_count":16,"recipient_count":15,"approved_future_usd":0,"approved_future_count":0,"first_tax_year":2018,"last_tax_year":2025,"grant_rows":16},"years":[{"tax_year":2018,"amount_type":"paid","usd":110350,"count":6},{"tax_year":2025,"amount_type":"paid","usd":60000,"count":10}],"top_recipients":[{"name":"THE CENTRE FOR DISCOVERY","ein":"141395426","tier":"C","confidence":0.92,"city":"HARRIS","state":"NY","paid_usd":105000,"count":2,"last_tax_year":2025},{"name":"Brandywire Conservancy & Museum of Art","ein":null,"tier":"U","confidence":null,"city":"CHADDS FORD","state":"PA","paid_usd":15000,"count":1,"last_tax_year":2025},{"name":"PALM BEACH ZOO & CONSERVATION SOCIETY","ein":null,"tier":"U","confidence":null,"city":"WEST PALM BEACH","state":"FL","paid_usd":10000,"count":1,"last_tax_year":2025},{"name":"TORY BURCH FOUNDATION","ein":"263660127","tier":"B","confidence":0.92,"city":"NEW YORK","state":"NY","paid_usd":10000,"count":1,"last_tax_year":2025},{"name":"COX SCIENCE CENTRE & AQUARIUM","ein":"590915177","tier":"C","confidence":0.82,"city":"WEST PALM BEACH","state":"FL","paid_usd":10000,"count":1,"last_tax_year":2025},{"name":"New York University","ein":"911842722","tier":"B","confidence":0.92,"city":"New York","state":"NY","paid_usd":5000,"count":1,"last_tax_year":2018},{"name":"Common Sense Media","ein":"412024986","tier":"B","confidence":0.94,"city":"San Francisco","state":"CA","paid_usd":2500,"count":1,"last_tax_year":2018},{"name":"PECONIC LAND TRUST","ein":"112667021","tier":"B","confidence":0.9,"city":"SOUTHHAMPTON","state":"NY","paid_usd":2500,"count":1,"last_tax_year":2025},{"name":"Orange County Historical Society","ein":"132971116","tier":"B","confidence":0.92,"city":"ARDEN","state":"NY","paid_usd":2500,"count":1,"last_tax_year":2025},{"name":"THE EVERGLADES FOUNDATION","ein":"593228899","tier":"B","confidence":0.92,"city":"PALMETTO BAY","state":"FL","paid_usd":2500,"count":1,"last_tax_year":2025},{"name":"Orphan Disease Pathway Project","ein":null,"tier":"U","confidence":null,"city":"Hartford","state":"CT","paid_usd":2000,"count":1,"last_tax_year":2018},{"name":"ST JUDE'S CHILDREN HOSPITAL","ein":null,"tier":"U","confidence":null,"city":"MEMPHIS","state":"TN","paid_usd":1500,"count":1,"last_tax_year":2025},{"name":"VANDERBILT UNIVERSITY","ein":null,"tier":"U","confidence":null,"city":"NASHVILLE","state":"TN","paid_usd":1000,"count":1,"last_tax_year":2025},{"name":"Open Space Institute","ein":"521053406","tier":"B","confidence":0.92,"city":"New York","state":"NY","paid_usd":600,"count":1,"last_tax_year":2018},{"name":"The Bone Marrow Foundation","ein":"133674198","tier":"D","confidence":0.5,"city":"New York","state":"NY","paid_usd":250,"count":1,"last_tax_year":2018}],"recent_grants":[{"grant_id":"10a5bf5954990ff9252f1d91488a5360","tax_year":2025,"amount_type":"paid","amount_usd":15000,"noncash_amount_usd":null,"recipient_name":"Brandywire Conservancy & Museum of Art","recipient_ein":null,"match_tier":"U","match_confidence":null,"match_method":"no_candidates","purpose":"GENERAL SUPPORT","city":"CHADDS FORD","state":"PA","recipient_type":"organization","object_id":"202611289349102711"},{"grant_id":"6ae31a194be9c0117f27a977e88a4ee9","tax_year":2025,"amount_type":"paid","amount_usd":10000,"noncash_amount_usd":null,"recipient_name":"COX SCIENCE CENTRE & AQUARIUM","recipient_ein":"590915177","match_tier":"C","match_confidence":0.82,"match_method":"name_jw_zip5","purpose":"GENERAL SUPPORT","city":"WEST PALM BEACH","state":"FL","recipient_type":"organization","object_id":"202611289349102711"},{"grant_id":"a2c817c20145b5aa053fdcfa661e7c28","tax_year":2025,"amount_type":"paid","amount_usd":10000,"noncash_amount_usd":null,"recipient_name":"PALM BEACH ZOO & CONSERVATION SOCIETY","recipient_ein":null,"match_tier":"U","match_confidence":null,"match_method":"no_candidates","purpose":"GENERAL SUPPORT","city":"WEST PALM BEACH","state":"FL","recipient_type":"organization","object_id":"202611289349102711"},{"grant_id":"e83bdd7f031047c7a3d4e340eb473063","tax_year":2025,"amount_type":"paid","amount_usd":10000,"noncash_amount_usd":null,"recipient_name":"TORY BURCH FOUNDATION","recipient_ein":"263660127","match_tier":"B","match_confidence":0.92,"match_method":"name_zip5_state_exact","purpose":"GENERAL SUPPPORT","city":"NEW YORK","state":"NY","recipient_type":"organization","object_id":"202611289349102711"},{"grant_id":"42779f4c1601622dd030c48aafe68d2a","tax_year":2025,"amount_type":"paid","amount_usd":5000,"noncash_amount_usd":null,"recipient_name":"THE CENTRE FOR DISCOVERY","recipient_ein":"141395426","match_tier":"C","match_confidence":0.88,"match_method":"name_jw_zip5","purpose":"GENERAL SUPPORT","city":"HARRIS","state":"NY","recipient_type":"organization","object_id":"202611289349102711"},{"grant_id":"0a8c497c995ca2124c33ee098d00fe99","tax_year":2025,"amount_type":"paid","amount_usd":2500,"noncash_amount_usd":null,"recipient_name":"Orange County Historical Society","recipient_ein":"132971116","match_tier":"B","match_confidence":0.92,"match_method":"name_zip5_state_exact","purpose":"GENERAL SUPPORT","city":"ARDEN","state":"NY","recipient_type":"organization","object_id":"202611289349102711"},{"grant_id":"7c6731be8672a9816379870cdbb641f6","tax_year":2025,"amount_type":"paid","amount_usd":2500,"noncash_amount_usd":null,"recipient_name":"PECONIC LAND TRUST","recipient_ein":"112667021","match_tier":"B","match_confidence":0.9,"match_method":"name_zip5_state_exact","purpose":"GENERAL SUPPORT","city":"SOUTHHAMPTON","state":"NY","recipient_type":"organization","object_id":"202611289349102711"},{"grant_id":"d8a28c286bbc0d1dac38743c953e285c","tax_year":2025,"amount_type":"paid","amount_usd":2500,"noncash_amount_usd":null,"recipient_name":"THE EVERGLADES FOUNDATION","recipient_ein":"593228899","match_tier":"B","match_confidence":0.92,"match_method":"name_zip5_state_exact","purpose":"GENERAL SUPPORT","city":"PALMETTO BAY","state":"FL","recipient_type":"organization","object_id":"202611289349102711"},{"grant_id":"c27b469af321165e9bd7a0fbc3865add","tax_year":2025,"amount_type":"paid","amount_usd":1500,"noncash_amount_usd":null,"recipient_name":"ST JUDE'S CHILDREN HOSPITAL","recipient_ein":null,"match_tier":"U","match_confidence":null,"match_method":"no_candidates","purpose":"GENERAL SUPPORT","city":"MEMPHIS","state":"TN","recipient_type":"organization","object_id":"202611289349102711"},{"grant_id":"27ea82142b190f9642b146cd6222bc32","tax_year":2025,"amount_type":"paid","amount_usd":1000,"noncash_amount_usd":null,"recipient_name":"VANDERBILT UNIVERSITY","recipient_ein":null,"match_tier":"U","match_confidence":null,"match_method":"ambiguous_4_candidates","purpose":"GENERAL SUPPORT","city":"NASHVILLE","state":"TN","recipient_type":"organization","object_id":"202611289349102711"},{"grant_id":"547f0b933f82435e600d042e352ba886","tax_year":2018,"amount_type":"paid","amount_usd":100000,"noncash_amount_usd":null,"recipient_name":"The Center for Discovery","recipient_ein":"141395426","match_tier":"B","match_confidence":0.92,"match_method":"name_zip5_state_exact","purpose":"General Support","city":"Harris","state":"NY","recipient_type":"organization","object_id":"201941149349100209"},{"grant_id":"5a08629ecfb95e1097e24fc9e7a60c2e","tax_year":2018,"amount_type":"paid","amount_usd":5000,"noncash_amount_usd":null,"recipient_name":"New York University","recipient_ein":"911842722","match_tier":"B","match_confidence":0.92,"match_method":"name_zip5_state_exact","purpose":"General Support","city":"New York","state":"NY","recipient_type":"organization","object_id":"201941149349100209"},{"grant_id":"7a833e0dee407d7b218066c38fadca92","tax_year":2018,"amount_type":"paid","amount_usd":2500,"noncash_amount_usd":null,"recipient_name":"Common Sense Media","recipient_ein":"412024986","match_tier":"B","match_confidence":0.94,"match_method":"name_zip5_state_exact","purpose":"General Support","city":"San Francisco","state":"CA","recipient_type":"organization","object_id":"201941149349100209"},{"grant_id":"0590212cc2803ce60ea4190405fd1ef9","tax_year":2018,"amount_type":"paid","amount_usd":2000,"noncash_amount_usd":null,"recipient_name":"Orphan Disease Pathway Project","recipient_ein":null,"match_tier":"U","match_confidence":null,"match_method":"no_candidate_above_threshold","purpose":"General Support","city":"Hartford","state":"CT","recipient_type":"organization","object_id":"201941149349100209"},{"grant_id":"8d18acc7ba4940c812934ee07f6f757e","tax_year":2018,"amount_type":"paid","amount_usd":600,"noncash_amount_usd":null,"recipient_name":"Open Space Institute","recipient_ein":"521053406","match_tier":"B","match_confidence":0.92,"match_method":"name_zip5_state_exact","purpose":"General Support","city":"New York","state":"NY","recipient_type":"organization","object_id":"201941149349100209"},{"grant_id":"92b3e40b7a7b66d9a960c818bcb2efb7","tax_year":2018,"amount_type":"paid","amount_usd":250,"noncash_amount_usd":null,"recipient_name":"The Bone Marrow Foundation","recipient_ein":"133674198","match_tier":"D","match_confidence":0.5,"match_method":"name_jw_state","purpose":"General Support","city":"New York","state":"NY","recipient_type":"organization","object_id":"201941149349100209"}],"filings":[{"object_id":"202611289349102711","tax_period_end":"2025-12-31","filing_submission_date":null,"return_version":"2025v4.1","filing_year":2026,"tax_year":2025,"form_type":"990PF"},{"object_id":"201941149349100209","tax_period_end":"2018-12-31","filing_submission_date":null,"return_version":"2018v3.1","filing_year":2019,"tax_year":2018,"form_type":"990PF"}],"chunked":false,"dataset_version":"2026.09.0","built_at":"2026-09-03T21:13:09+00:00"}