{"ein":"352435568","name":"THE ENDURANCE FOUNDATION","city":"BOSTON","state":"MA","ntee_code":"T20","subsection_code":"03","form_type":"990PF","totals":{"paid_usd":423328,"paid_count":25,"recipient_count":10,"approved_future_usd":0,"approved_future_count":0,"first_tax_year":2018,"last_tax_year":2025,"grant_rows":25},"years":[{"tax_year":2018,"amount_type":"paid","usd":81557,"count":6},{"tax_year":2022,"amount_type":"paid","usd":93000,"count":5},{"tax_year":2023,"amount_type":"paid","usd":86000,"count":5},{"tax_year":2024,"amount_type":"paid","usd":80000,"count":4},{"tax_year":2025,"amount_type":"paid","usd":82771,"count":5}],"top_recipients":[{"name":"PINE STREET INN","ein":"042516093","tier":"C","confidence":0.82,"city":"BOSTON","state":"MA","paid_usd":72220,"count":5,"last_tax_year":2025},{"name":"SEA EDUCATION ASSISTANCE","ein":"042702102","tier":"D","confidence":0.75,"city":"BOSTON","state":"MA","paid_usd":64800,"count":4,"last_tax_year":2024},{"name":"MARINE BIOLOGICAL LABORATORIES","ein":"042104690","tier":"C","confidence":0.94,"city":"WOODS HOLE","state":"MA","paid_usd":60170,"count":4,"last_tax_year":2024},{"name":"WOODS HOLE RESEARCH CENTER","ein":null,"tier":"U","confidence":null,"city":"FALMOUTH","state":"MA","paid_usd":60071,"count":4,"last_tax_year":2025},{"name":"IMMIGRATION SERVICES AND LEGAL ADVOCACY","ein":null,"tier":"U","confidence":null,"city":"BOSTON","state":"MA","paid_usd":50000,"count":1,"last_tax_year":2025},{"name":"ISABELLA STEWART GARDNER MUSEUM","ein":"042104334","tier":"B","confidence":0.9,"city":"BOSTONM","state":"MA","paid_usd":44800,"count":3,"last_tax_year":2023},{"name":"RENSSELAER POLYTECHNIC INSTITUTE","ein":null,"tier":"U","confidence":null,"city":"TROY","state":"NY","paid_usd":23912,"count":1,"last_tax_year":2018},{"name":"WOODSHOLE RESEARCH CENTER","ein":null,"tier":"U","confidence":null,"city":"FALMOUTH","state":"MA","paid_usd":22355,"count":1,"last_tax_year":2018},{"name":"YOUNG CENTER FOR IMMIGRANT CHILDREN","ein":"261839249","tier":"D","confidence":0.62,"city":"CHICAGO","state":"IL","paid_usd":20000,"count":1,"last_tax_year":2025},{"name":"WOODS HOLE COMMUNITY ASSOCIATION","ein":"046075697","tier":"B","confidence":0.92,"city":"WOODS HOLE","state":"MA","paid_usd":5000,"count":1,"last_tax_year":2025}],"recent_grants":[{"grant_id":"d4253a594b67ad93e539f52cb57adaeb","tax_year":2025,"amount_type":"paid","amount_usd":50000,"noncash_amount_usd":null,"recipient_name":"IMMIGRATION SERVICES AND LEGAL ADVOCACY","recipient_ein":null,"match_tier":"U","match_confidence":null,"match_method":"no_candidate_above_threshold","purpose":"GENERAL CHARITABLE PURPOSES","city":"BOSTON","state":"MA","recipient_type":"organization","object_id":"202621359349104052"},{"grant_id":"23b6370c46e6901e190ff87e29095e6b","tax_year":2025,"amount_type":"paid","amount_usd":20000,"noncash_amount_usd":null,"recipient_name":"YOUNG CENTER FOR IMMIGRANT CHILDREN","recipient_ein":"261839249","match_tier":"D","match_confidence":0.62,"match_method":"name_jw_state","purpose":"GENERAL CHARITABLE PURPOSES","city":"CHICAGO","state":"IL","recipient_type":"organization","object_id":"202621359349104052"},{"grant_id":"e4414e0f32ef274602d47064012fb8a1","tax_year":2025,"amount_type":"paid","amount_usd":5000,"noncash_amount_usd":null,"recipient_name":"WOODS HOLE COMMUNITY ASSOCIATION","recipient_ein":"046075697","match_tier":"B","match_confidence":0.92,"match_method":"name_zip5_state_exact","purpose":"GENERAL CHARITABLE PURPOSES","city":"WOODS HOLE","state":"MA","recipient_type":"organization","object_id":"202621359349104052"},{"grant_id":"4e44ce766190ea93cc83f6a84a29b6b8","tax_year":2025,"amount_type":"paid","amount_usd":4271,"noncash_amount_usd":null,"recipient_name":"WOODS HOLE RESEARCH CENTER","recipient_ein":null,"match_tier":"U","match_confidence":null,"match_method":"no_candidates","purpose":"SCIENTIFIC AND EDUCATIONAL RESEARCH","city":"FALMOUTH","state":"MA","recipient_type":"organization","object_id":"202621359349104052"},{"grant_id":"061a3614791918e96606f9d1dfa614c4","tax_year":2025,"amount_type":"paid","amount_usd":3500,"noncash_amount_usd":null,"recipient_name":"PINE STREET INN","recipient_ein":"042516093","match_tier":"C","match_confidence":0.82,"match_method":"name_state_exact","purpose":"INNOVATIVE, SOLUTION-ORIENTED PROGRAMS TO HELP HOMELESS INDIVIDUALS MOVE BEYOND SHELTER","city":"BOSTON","state":"MA","recipient_type":"organization","object_id":"202621359349104052"},{"grant_id":"093fc71568310d0d4483833d243c703b","tax_year":2024,"amount_type":"paid","amount_usd":20000,"noncash_amount_usd":null,"recipient_name":"MARINE BIOLOGICAL LABORATORIES","recipient_ein":"042104690","match_tier":"C","match_confidence":0.85,"match_method":"name_jw_zip5","purpose":"CELLULAR, DEVELOPMENTAL, AND REPRODUCTIVE BIOLOGY; MOLECULAR BIOLOGY AND EVOLUTION RESEARCH","city":"WOODS HOLE","state":"MA","recipient_type":"organization","object_id":"202521359349104117"},{"grant_id":"1400ed1ffa08ffd2ab32eb9b6e3691fb","tax_year":2024,"amount_type":"paid","amount_usd":20000,"noncash_amount_usd":null,"recipient_name":"PINE STREET INN","recipient_ein":"042516093","match_tier":"C","match_confidence":0.82,"match_method":"name_state_exact","purpose":"INNOVATIVE, SOLUTION-ORIENTED PROGRAMS TO HELP HOMELESS INDIVIDUALS MOVE BEYOND SHELTER","city":"BOSTON","state":"MA","recipient_type":"organization","object_id":"202521359349104117"},{"grant_id":"d5ce3e3f41c635669d00b75e8f0aa236","tax_year":2024,"amount_type":"paid","amount_usd":20000,"noncash_amount_usd":null,"recipient_name":"SEA EDUCATION ASSISTANCE","recipient_ein":"042702102","match_tier":"D","match_confidence":0.57,"match_method":"name_jw_state","purpose":"GENERAL CHARITABLE PURPOSES","city":"BOSTON","state":"MA","recipient_type":"organization","object_id":"202521359349104117"},{"grant_id":"fb98af704081598b399431cb20f03cbd","tax_year":2024,"amount_type":"paid","amount_usd":20000,"noncash_amount_usd":null,"recipient_name":"WOODS HOLE RESEARCH CENTER","recipient_ein":null,"match_tier":"U","match_confidence":null,"match_method":"no_candidates","purpose":"SCIENTIFIC AND EDUCATIONAL RESEARCH","city":"FALMOUTH","state":"MA","recipient_type":"organization","object_id":"202521359349104117"},{"grant_id":"39183a850ef5a18339e1e221aef29733","tax_year":2023,"amount_type":"paid","amount_usd":17200,"noncash_amount_usd":null,"recipient_name":"SEA EDUCATION ASSISTANCE","recipient_ein":"042702102","match_tier":"D","match_confidence":0.57,"match_method":"name_jw_state","purpose":"GENERAL CHARITABLE PURPOSES","city":"BOSTON","state":"MA","recipient_type":"organization","object_id":"202423209349106407"},{"grant_id":"964e016b47e973db38101a58485720ff","tax_year":2023,"amount_type":"paid","amount_usd":17200,"noncash_amount_usd":null,"recipient_name":"PINE STREET INN","recipient_ein":"042516093","match_tier":"C","match_confidence":0.82,"match_method":"name_state_exact","purpose":"INNOVATIVE, SOLUTION-ORIENTED PROGRAMS TO HELP HOMELESS INDIVIDUALS MOVE BEYOND SHELTER","city":"BOSTON","state":"MA","recipient_type":"organization","object_id":"202423209349106407"},{"grant_id":"a00c15c07b59e4b245bc7fe2fb975f5b","tax_year":2023,"amount_type":"paid","amount_usd":17200,"noncash_amount_usd":null,"recipient_name":"WOODS HOLE RESEARCH CENTER","recipient_ein":null,"match_tier":"U","match_confidence":null,"match_method":"no_candidates","purpose":"SCIENTIFIC AND EDUCATIONAL RESEARCH","city":"FALMOUTH","state":"MA","recipient_type":"organization","object_id":"202423209349106407"},{"grant_id":"cfeea325d7cc7a5db01439b1adb365f3","tax_year":2023,"amount_type":"paid","amount_usd":17200,"noncash_amount_usd":null,"recipient_name":"ISABELLA STEWART GARDNER MUSEUM","recipient_ein":"042104334","match_tier":"B","match_confidence":0.9,"match_method":"name_zip5_state_exact","purpose":"GENERAL CHARITABLE PURPOSES","city":"BOSTONM","state":"MA","recipient_type":"organization","object_id":"202423209349106407"},{"grant_id":"eb7799b2c5c7dbf094c5c35226e2702f","tax_year":2023,"amount_type":"paid","amount_usd":17200,"noncash_amount_usd":null,"recipient_name":"MARINE BIOLOGICAL LABORATORIES","recipient_ein":"042104690","match_tier":"C","match_confidence":0.85,"match_method":"name_jw_zip5","purpose":"CELLULAR, DEVELOPMENTAL, AND REPRODUCTIVE BIOLOGY; MOLECULAR BIOLOGY AND EVOLUTION RESEARCH","city":"WOODS HOLE","state":"MA","recipient_type":"organization","object_id":"202423209349106407"},{"grant_id":"0861bbe5d1805eafe29d2e70e9ea4fd9","tax_year":2022,"amount_type":"paid","amount_usd":18600,"noncash_amount_usd":null,"recipient_name":"SEA EDUCATION ASSISTANCE","recipient_ein":"042702102","match_tier":"D","match_confidence":0.57,"match_method":"name_jw_state","purpose":"GENERAL CHARITABLE PURPOSES","city":"BOSTON","state":"MA","recipient_type":"organization","object_id":"202333129349101933"},{"grant_id":"3cabc3a8e6455e3b3cb34e95f34af179","tax_year":2022,"amount_type":"paid","amount_usd":18600,"noncash_amount_usd":null,"recipient_name":"WOODS HOLE RESEARCH CENTER","recipient_ein":null,"match_tier":"U","match_confidence":null,"match_method":"no_candidates","purpose":"SCIENTIFIC AND EDUCATIONAL RESEARCH","city":"FALMOUTH","state":"MA","recipient_type":"organization","object_id":"202333129349101933"},{"grant_id":"431f9fd71dfb152f258ee2bbc792bdbc","tax_year":2022,"amount_type":"paid","amount_usd":18600,"noncash_amount_usd":null,"recipient_name":"MARINE BIOLOGICAL LABORATORIES","recipient_ein":"042104690","match_tier":"C","match_confidence":0.85,"match_method":"name_jw_zip5","purpose":"CELLULAR, DEVELOPMENTAL, AND REPRODUCTIVE BIOLOGY; MOLECULAR BIOLOGY AND EVOLUTION RESEARCH","city":"WOODS HOLE","state":"MA","recipient_type":"organization","object_id":"202333129349101933"},{"grant_id":"d7f77c4b35b37f63143fe0b7d414cb0b","tax_year":2022,"amount_type":"paid","amount_usd":18600,"noncash_amount_usd":null,"recipient_name":"ISABELLA STEWART GARDNER MUSEUM","recipient_ein":"042104334","match_tier":"B","match_confidence":0.9,"match_method":"name_zip5_state_exact","purpose":"GENERAL CHARITABLE PURPOSES","city":"BOSTONM","state":"MA","recipient_type":"organization","object_id":"202333129349101933"},{"grant_id":"dccb5bd9ce6d731ab6e25e1fdbce941a","tax_year":2022,"amount_type":"paid","amount_usd":18600,"noncash_amount_usd":null,"recipient_name":"PINE STREET INN","recipient_ein":"042516093","match_tier":"C","match_confidence":0.82,"match_method":"name_state_exact","purpose":"INNOVATIVE, SOLUTION-ORIENTED PROGRAMS TO HELP HOMELESS INDIVIDUALS MOVE BEYOND SHELTER","city":"BOSTON","state":"MA","recipient_type":"organization","object_id":"202333129349101933"},{"grant_id":"053be0e9b99bdc1dfdce5a7f049aa899","tax_year":2018,"amount_type":"paid","amount_usd":23912,"noncash_amount_usd":null,"recipient_name":"RENSSELAER POLYTECHNIC INSTITUTE","recipient_ein":null,"match_tier":"U","match_confidence":null,"match_method":"ambiguous_2_candidates","purpose":"TECHNICAL RESEARCH EDUCATION","city":"TROY","state":"NY","recipient_type":"organization","object_id":"201941339349101519"},{"grant_id":"6dbd1260000811135b448d2ab7f97781","tax_year":2018,"amount_type":"paid","amount_usd":22355,"noncash_amount_usd":null,"recipient_name":"WOODSHOLE RESEARCH CENTER","recipient_ein":null,"match_tier":"U","match_confidence":null,"match_method":"no_candidates","purpose":"SCIENTIFIC AND EDUCATIONAL RESEARCH","city":"FALMOUTH","state":"MA","recipient_type":"organization","object_id":"201941339349101519"},{"grant_id":"b52c57fe04acfd125579f274d00fcea8","tax_year":2018,"amount_type":"paid","amount_usd":12920,"noncash_amount_usd":null,"recipient_name":"PINE STREET INN","recipient_ein":"042516093","match_tier":"C","match_confidence":0.82,"match_method":"name_state_exact","purpose":"INNOVATIVE, SOLUTION-ORIENTED PROGRAMS TO HELP HOMELESS INDIVIDUALS MOVE BEYOND SHELTER","city":"BOSTON","state":"MA","recipient_type":"organization","object_id":"201941339349101519"},{"grant_id":"3a0727d2e00c5fc1cbfc90629015785c","tax_year":2018,"amount_type":"paid","amount_usd":9000,"noncash_amount_usd":null,"recipient_name":"ISABELLA STUART GARDENER MUSEUM","recipient_ein":"042104334","match_tier":"C","match_confidence":0.84,"match_method":"name_jw_zip5","purpose":"EDUCATION,CULTURAL ARTS AND HUMANITIES","city":"BOSTON","state":"MA","recipient_type":"organization","object_id":"201941339349101519"},{"grant_id":"c31c887d0ae6bd140d05ce0284de2bba","tax_year":2018,"amount_type":"paid","amount_usd":9000,"noncash_amount_usd":null,"recipient_name":"SEA EDUCATION ASSOCIATION","recipient_ein":"042702102","match_tier":"C","match_confidence":0.75,"match_method":"name_state_exact","purpose":"GENERAL CHARITABLE PURPOSES","city":"BOSTON","state":"MA","recipient_type":"organization","object_id":"201941339349101519"},{"grant_id":"834417270728e7f0872588fd3dae7d4f","tax_year":2018,"amount_type":"paid","amount_usd":4370,"noncash_amount_usd":null,"recipient_name":"MARINE BIOLOGICAL LABORATORY","recipient_ein":"042104690","match_tier":"B","match_confidence":0.94,"match_method":"name_zip5_state_exact","purpose":"CELLULAR, DEVELOPMENTAL, AND REPRODUCTIVE BIOLOGY; MOLECULAR BIOLOGY AND EVOLUTION RESEARCH","city":"WOODS HOLE","state":"MA","recipient_type":"organization","object_id":"201941339349101519"}],"filings":[{"object_id":"202621359349104052","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":"202521359349104117","tax_period_end":"2024-12-31","filing_submission_date":null,"return_version":"2024v5.1","filing_year":2025,"tax_year":2024,"form_type":"990PF"},{"object_id":"202423209349106407","tax_period_end":"2023-12-31","filing_submission_date":null,"return_version":"2023v5.1","filing_year":2024,"tax_year":2023,"form_type":"990PF"},{"object_id":"202333129349101933","tax_period_end":"2022-12-31","filing_submission_date":null,"return_version":"2022v5.0","filing_year":2023,"tax_year":2022,"form_type":"990PF"},{"object_id":"201941339349101519","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"}