Grants paid by American Otological Society Research Foundation
EIN 20-5095702 · St Petersburg, FL · Form 990, Schedule I · NTEE G114
American Otological Society Research Foundation of St Petersburg, FL (EIN 20-5095702) reported 59 grants paid totaling $2,947,482 to 34 recipients in tax years 2018–2025, on Form 990, Schedule I. Derived from IRS e-file data, dataset version 2026.09.0, built 2026-09-03.
Grants paid
$2,947,482
59 grants
Recipients
34
distinct organizations
Tax years
2018–2025
8 filings in the corpus
By tax year
| Tax year | Grants paid | Amount paid | Approved for future |
|---|---|---|---|
| 2018 | 5 | $291,000 | — |
| 2019 | 7 | $298,732 | — |
| 2020 | 7 | $399,000 | — |
| 2021 | 7 | $351,000 | — |
| 2022 | 7 | $363,000 | — |
| 2023 | 6 | $330,000 | — |
| 2024 | 11 | $415,750 | — |
| 2025 | 9 | $499,000 | — |
Top recipients
The 34 recipients receiving the most from American Otological Society Research Foundation, by grants paid, out of 34 distinct recipients.
| Recipient | Match | Location | Grants | Total paid | Latest year |
|---|---|---|---|---|---|
| University of Southern California 95-1642394 | A | Los Angeles, CA | 5 | $310,800 | 2024 |
| University of Iowa 42-6004813 | A | Iowa City, IA | 5 | $264,000 | 2025 |
| University of Washington 91-1486484 | A | Seattle, WA | 3 | $240,000 | 2023 |
| Johns Hopkins University 52-0595110 | A | Chicago, IL | 4 | $205,000 | 2025 |
| University of California San Francisco 94-3067788 | A | Los Angeles, CA | 2 | $154,000 | 2020 |
| University of Utah 87-6000525 | A | Salt Lake City, UT | 3 | $153,000 | 2023 |
| Massachusetts Eye and Ear Infirmary 04-2103591 | A | Boston, MA | 3 | $138,000 | 2020 |
| University of Mississippi Medical Center 64-6008520 | A | Jackson, MS | 2 | $110,000 | 2019 |
| American Otological Society Inc 20-5087345 | A | St Petersburg, FL | 1 | $100,000 | 2025 |
| University of Mississippi Medical Center 64-0938566 | A | Jackson, MS | 2 | $99,000 | 2021 |
| President and Fellows of Harvard College 04-2103580 | A | Cambridge, MA | 3 | $93,000 | 2024 |
| University of California Los Angeles 95-6006143 | A | Los Angeles, CA | 2 | $88,000 | 2024 |
| University of Washington 91-6001537 | A | Chicago, IL | 2 | $86,121 | 2019 |
| Regents of the University of California (ucsf) 94-6036493 | A | San Francisco, CA | 2 | $68,750 | 2024 |
| Hugo Moser Research Institute at Kennedy Kreiger 52-1524967 | A | Baltimore, MD | 1 | $66,000 | 2023 |
| Nyu Langone Medical Center 13-5562309 | A | Boston, MA | 1 | $66,000 | 2020 |
| University of South Florida 59-3102112 | A | Tampa, FL | 1 | $55,000 | 2024 |
| Washington State University 91-6001108 | A | Pullman, WA | 1 | $55,000 | 2020 |
| Case Western Reserve University 34-1018992 | A | Cleveland, OH | 1 | $55,000 | 2022 |
| University of Colorado Denver 84-6000555 | A | Denver, CO | 1 | $55,000 | 2018 |
| University of Michigan 38-6006309 | A | Ann Arbor, MI | 1 | $55,000 | 2025 |
| University of Miami 59-0624458 | A | Coral Gables, FL | 1 | $55,000 | 2024 |
| University of Colorado-Denver 84-6000055 | A | Denver, CO | 1 | $44,000 | 2021 |
| Indiana University 35-6001673 | A | Bloomington, IN | 1 | $44,000 | 2025 |
| University of Kentucky 61-6033693 | A | Lexington, KY | 1 | $44,000 | 2025 |
| Texas A&m University 74-6000531 | A | College Station, TX | 1 | $44,000 | 2024 |
| University of Virginia 54-6001551 | A | Charlottesville, VA | 1 | $44,000 | 2025 |
| Boston Children's Hospital 04-2986097 | A | Boston, MA | 1 | $44,000 | 2025 |
| University of Wisconsin - Madison 39-0743975 | A | Madison, WI | 1 | $44,000 | 2021 |
| Washington University in St Louis 43-0653611 | A | St Louis, MO | 1 | $33,000 | 2025 |
| Columbia University 13-5598093 | A | New York, NY | 1 | $30,000 | 2022 |
| University of Arizona 74-2652689 | A | Tucson, AZ | 1 | $5,000 | 2024 |
| University of Maryland-One Distribution (ms) 52-6002033 | A | Baltimore, MD | 1 | $5,000 | 2023 |
| Refund of Grants Given in Previous Years | U | 1 | -$5,189 | 2019 |
Match tier: A Reported EIN · B Exact name and place · C Strong name match · D Probable name match · U Unresolved. Tiers C and D are inferred, not reported; see how matching works.
Every grant
All 59 grant rows this organization reported, most recent first.
| Tax year | Recipient | Match | Amount | Type | Purpose | Source filing |
|---|---|---|---|---|---|---|
| 2025 | American Otological Society Inc St Petersburg, FL | A | $100,000 | paid | ADVANCE AND PROMOTE MEDICAL AND SURGICAL OTOLOGY NEUROTOLOGY | 202621029349300222 |
| 2025 | University of Iowa Iowa City, IA | A | $80,000 | paid | LIFETIME OF THE TIP LINK IN LIVING HAIR CELLS | 202621029349300222 |
| 2025 | Johns Hopkins University Baltimore, MD | A | $55,000 | paid | IDENTIFICATION OF BIOMARKERS IN HUMAN PLASMA FOR DIAGNOSIS OF VESTIBULAR MIGRAINE | 202621029349300222 |
| 2025 | University of Michigan Ann Arbor, MI | A | $55,000 | paid | THE IMPACT OF SINGLE-SIDED DEAFNESS ON BEHAVIORAL COMPENSATION AND BINAURAL CUES DURING COMPLEX LOCALIZATION AND SPEECH-IN-NOISE TASKS | 202621029349300222 |
| 2025 | Indiana University Bloomington, IN | A | $44,000 | paid | ANYWAY YOU SPLICE IT: EXONIC SPLICE-ALTERING VARIANTS AND OTOF-RELATED HEARING LOSS | 202621029349300222 |
| 2025 | Boston Children's Hospital Boston, MA | A | $44,000 | paid | GENETIC MODELS OF SYNAPTOPATHY SUGGEST NOVEL THERAPEUTIC APPROACHES | 202621029349300222 |
| 2025 | University of Kentucky Lexington, KY | A | $44,000 | paid | MOLECULAR MECHANISMS REGULATING ACTIVATION OF MECHANO-ELECTRICAL TRANSDUCER CHANNELS IN MAMMALIAN AUDITORY HAIR CELLS | 202621029349300222 |
| 2025 | University of Virginia Charlottesville, VA | A | $44,000 | paid | THE ROLE OF POST-TRANSLATIONAL MODIFICATIONS OF PCDH15 IN HAIR BUNDLE MORPHOGENESIS AND FUNCTION | 202621029349300222 |
| 2025 | Washington University in St Louis St Louis, MO | A | $33,000 | paid | REVEALING MOLECULAR AND CELLULAR DRIVERS OF CHOLESTEATOMA PATHOGENESIS IN CHILDREN USING SINGLE-CELL RNA SEQUENCING | 202621029349300222 |
| 2024 | University of Iowa Iowa City, IA | A | $80,000 | paid | LIFETIME OF THE TIP LINK IN LIVING HAIR CELLS | 202521229349302722 |
| 2024 | University of Southern California Los Angeles, CA | A | $65,000 | paid | CELLULAR REPROGRAMMING OF PERIPHERAL GLIAL CELLS TO REGENERATE PRIMARY AUDITORY NEURONS | 202521229349302722 |
| 2024 | University of Miami Coral Gables, FL | A | $55,000 | paid | DEVELOPING A NOVEL TREATMENT MODALITY FOR THE PRESERVATION OF RESIDUAL HEARING POST-COCHLEAR IMPLANTATION | 202521229349302722 |
| 2024 | University of South Florida Tampa, FL | A | $55,000 | paid | DEVELOPMENT OF NON-INVASIVE IMAGING TECHNIQUES FOR ENDOCOCHLEAR POTENTIAL MEASUREMENTS | 202521229349302722 |
| 2024 | Harvard Medical School Boston, MA | A | $44,000 | paid | CELLULAR REPROGRAMMING OF PERIPHERAL GLIAL CELLS TO REGENERATE PRIMARY AUDITORY NEURONS | 202521229349302722 |
| 2024 | University of California Los Angeles (ucla) Los Angeles, CA | A | $44,000 | paid | EXPLORING THE SYNAPTIC TRANSCRIPTOME OF VESTIBULAR HAIR CELLS | 202521229349302722 |
| 2024 | Texas A&m University College Station, TX | A | $44,000 | paid | SUB-CELLULAR 3D VIBROMETRY FOR MEASURING COCHLEAR MECHANICS IN THE MOUSE ORGAN OF CORTI | 202521229349302722 |
| 2024 | Regents of the University of California (ucsf) San Francisco, CA | A | $13,750 | paid | CHARACTERIZATION OF RESTING-STATE AND FUNCTIONAL CONNECTIVITY CHANGES IN VESTIBULAR MIGRAINE | 202521229349302722 |
| 2024 | Harvard Medical School Boston, MA | A | $5,000 | paid | EXPANDING ACCESS: ADAPTING A NOVEL SCHOOL HEARING PROTOCOL TO SCALE ACROSS AMERICA | 202521229349302722 |
| 2024 | University of Arizona Tucson, AZ | A | $5,000 | paid | THE EFFECT OF COCHLEAR IMPLANTATION (CI) ON DEPRESSIVE SYMPTOMS IN ADULTS | 202521229349302722 |
| 2024 | University of Iowa Carver College of Medicine Iowa City, IA | A | $5,000 | paid | THE EFFECT OF ANGIOTENSIN RECEPTOR BLOCKADE USING LOSARTAN IN OTOPROTECTION AGAINST NOISE INDUCED HEARING LOSS | 202521229349302722 |
| 2023 | University of Washington Seattle, WA | A | $80,000 | paid | USE OF MULTISENSORY INPUT AND DEEP LEARNING TECHNIQUES TO DEVELOP A NEXT GENERATION LISTENING DEVICE TO IMPROVE SPEECH PERCEPTION IN NOISE FOR INDIVIDUALS WITH HEARING LOSS | 202401349349303645 |
| 2023 | University of Southern California Los Angeles, CA | A | $80,000 | paid | CELLULAR REPROGRAMMING OF PERIPHERAL GLIAL CELLS TO REGENERATE PRIMARY AUDITORY NEURONS | 202401349349303645 |
| 2023 | Hugo Moser Research Institute at Kennedy Kreiger Baltimore, MD | A | $66,000 | paid | HEARING LOSS AND BALANCE ISSUES IN SICKLE CELL DISEASE | 202401349349303645 |
| 2023 | Regents of the University of California (ucsf) San Francisco, CA | A | $55,000 | paid | CHARACTERIZATION OF RESTING-STATE AND FUNCTIONAL CONNECTIVITY CHANGES IN VESTIBULAR MIGRAINE | 202401349349303645 |
| 2023 | University of Utah Salt Lake City, UT | A | $44,000 | paid | THE CONTRIBUTIONS OF AUDITORY CUES TO NAVIGATION | 202401349349303645 |
| 2023 | University of Maryland-One Distribution (ms) Baltimore, MD | A | $5,000 | paid | THE ROLE OF ATF SIGNALING IN PREVENTION OF NOISE-INDUCED HIDDEN HEARING LOSS | 202401349349303645 |
| 2022 | University of Southern California Los Angeles, CA | A | $80,000 | paid | CELLULAR REPROGRAMMING OF PERIPHERAL GLIAL CELLS TO REGENERATE PRIMARY AUDITORY NEURONS | 202321229349300522 |
| 2022 | University of Washington Seattle, WA | A | $80,000 | paid | USE OF MULTISENSORY INPUT AND DEEP LEARNING TECHNIQUES TO DEVELOP A NEXT GENERATION LISTENING DEVICE TO IMPROVE SPEECH PERCEPTION IN NOISE FOR INDIVIDUALS WITH HEARING LOSS | 202321229349300522 |
| 2022 | Case Western Reserve University Cleveland, OH | A | $55,000 | paid | GENETIC REGULATION OF TMC PROTEINS IN HAIR CELLS | 202321229349300522 |
| 2022 | University of Iowa Iowa City, IA | A | $44,000 | paid | METABOLOMIC PROFILING OF HUMAN VESTIBULAR SCHWANNOMA AND MENINGIOMA BEFORE AND AFTER RADIATION THERAPY | 202321229349300522 |
| 2022 | University of Southern California Los Angeles, CA | A | $44,000 | paid | CHARACTERIZING NANOPARTICLE TRANSPORT FROM THE MIDDLE TO INNER EAR THROUGH THE ROUND WINDOW MEMBRANE | 202321229349300522 |
| 2022 | Johns Hopkins University Chicago, IL | A | $30,000 | paid | IDENTIFICATION OF BIOMARKERS IN HUMAN PLASMA FOR DIAGNOSIS OF VESTIBULAR MIGRAINE | 202321229349300522 |
| 2022 | Columbia University New York, NY | A | $30,000 | paid | MICRONEEDLE MEDIATED ASPIRATION OF PERILYMPH FOR SEQUENTIAL PROTEOMIC CHARACTERIZATION AFTER CORTICOSTEROID ADMINISTRATION | 202321229349300522 |
| 2021 | University of Washington Seattle, WA | A | $80,000 | paid | USE OF MULTISENSORY INPUT AND DEEP LEARNING TECHNIQUES TO DEVELOP A NEXT GENERATION LISTENING DEVICE TO IMPROVE SPEECH PERCEPTION IN NOISE FOR INDIVIDUALS WITH HEARING LOSS | 202200709349301000 |
| 2021 | University of Mississippi Medical Center Jackson, MS | A | $55,000 | paid | DEFINING NOVEL COCHLEAR SIGNALING SYSTEMS THAT DETERMINE ABR WAVE I THRESHOLD SHIFTS FOLLOWING NOISE | 202200709349301000 |
| 2021 | University of Wisconsin - Madison Madison, WI | A | $44,000 | paid | FNIRS EVIDENCE FOR UNDERLYING NEURAL MECHANISMS OF SPATIAL RELEASE FROM MASKING IN SINGLE-SIDED DEAF COCHLEAR IMPLANT LISTENERS | 202200709349301000 |
| 2021 | University of Mississippi Medical Center Jackson, MS | A | $44,000 | paid | NOVEL ROLE OF TRANSCRIPTION FACTOR SIX2 IN VESTIBULAR PLANAR CELL POLARITY | 202200709349301000 |
| 2021 | University of Utah Salt Lake City, UT | A | $44,000 | paid | DETERMINING THE ROLE OF MACROPHAGES IN THE PATHOGENESIS OF CYTOMEGALOVIRUS- INDUCED SENSORINEURAL HEARING LOSS | 202200709349301000 |
| 2021 | University of Colorado-Denver Denver, CO | A | $44,000 | paid | COCHLEAR IMPLANT INSERTION TRAUMA: INTRACOCHLEAR PRESSURE MEASUREMENTS AND ANATOMIC CHANGES IN CADAVERIC SPECIMEN | 202200709349301000 |
| 2021 | Johns Hopkins University Chicago, IL | A | $40,000 | paid | MAGNETIC RESONANCE IMAGING TO OBSERVE MAGNETIC VESTIBULAR STIMULATION | 202200709349301000 |
| 2020 | Johns Hopkins University Chicago, IL | A | $80,000 | paid | MAGNETIC RESONANCE IMAGING TO OBSERVE MAGNETIC VESTIBULAR STIMULATION | 202131339349300438 |
| 2020 | Nyu Langone Medical Center Boston, MA | A | $66,000 | paid | TOWARDS IMPROVING COCHLEAR IMPLANT TREATMENT FOR NON-STANDARD POPULATIONS | 202131339349300438 |
| 2020 | Washington State University Pullman, WA | A | $55,000 | paid | TELOMERES AS NOVEL TARGETS FOR HAIR CELL REGENERATION | 202131339349300438 |
| 2020 | University of California San Francisco Los Angeles, CA | A | $55,000 | paid | PDGFR+ MESENCHYMAL CELLS IN TYMPANIC MEMBRANE MAINTENANCE AND REPAIR | 202131339349300438 |
| 2020 | University of Iowa Iowa City, IA | A | $55,000 | paid | POST-IMPLANTATION REHABILITATION FOR COCHLEAR IMPLANT RECIPIENTS | 202131339349300438 |
| 2020 | Massachusetts Eye and Ear Infirmary Boston, MA | A | $44,000 | paid | INNER EAR CHANGES FOLLOWING MILD TRAUMATIC BRAIN INJURY IN A PORCINE HEAD INJURY MODEL | 202131339349300438 |
| 2020 | University of California Los Angeles Los Angeles, CA | A | $44,000 | paid | PRESYNAPTIC RIBBON HETEROGENEITIES AND SYNAPTOPATHY IN MAMMALIAN VESTIBULAR NEUROEPITHELIA | 202131339349300438 |
| 2019 | University of California-San Francisco Oakland, CA | A | $99,000 | paid | IDENTIFYING MOLECULAR MECHANISMS UNDERLYING MAINTENANCE OF THE TYMPANIC MEMBRANE EPIDERMIS & DEVELOPING A GENE EXPRESSION ATLAS OF THE NORMAL HUMAN INNER EAR | 202001419349301300 |
| 2019 | University of Mississippi Medical Center Jackson, MS | A | $55,000 | paid | COOL VESTIBULAR CALORIC AS A NOVEL APPROACH TO PREVENTION OF DRUG INDUCED HEARING LOSS | 202001419349301300 |
| 2019 | Massachusetts Eye and Ear Infirmary Boston, MA | A | $44,000 | paid | VIRUS BASED DIRECT REPROGRAMMING OF REACTIVE GLIAL CELLS INTO FUNCTIONAL NEURONS IN A MOUSE MODEL OF AUDITORY NEUROPATHY | 202001419349301300 |
| 2019 | President and Fellows of Harvard College Cambridge, MA | A | $44,000 | paid | REVISITING HUMAN COCHLEAR MECHANICS USING MODERN METHODOLOGIES AND TOOLS | 202001419349301300 |
| 2019 | University of Southern California Los Angeles, CA | A | $41,800 | paid | THE ROLE OF ION CHANNELS IN ENCODING SOUND INTENSITY AT THE AUDITORY NERVE | 202001419349301300 |
| 2019 | University of Washington Chicago, IL | A | $20,121 | paid | PERIPHERAL LIMITATIONS IN COCHLEAR IMPLANT PERFORMANCE: COMPUTATIONAL EXPLORATION OF DEMYELINATION AND DEGENERATION'S IMPACTS ON NEURAL ELECTROPHYSIOLOGY AND SIGNAL ENCODING | 202001419349301300 |
| 2019 | Refund of Grants Given in Previous Years | U | -$5,189 | paid | REFUND OF GRANTS GIVEN IN PREVIOUS YEARS | 202001419349301300 |
| 2018 | University of Washington Chicago, IL | A | $66,000 | paid | EARLY DETECTION OF NOISE-INDUCED HEARING LOSS | 201941339349306509 |
| 2018 | University of Utah Salt Lake City, UT | A | $65,000 | paid | EXPLORING THE IMPACT OF HEARING LOSS ON IMPAIRED COGNITION IN OLDER ADULTS | 201941339349306509 |
| 2018 | University of Mississippi Medical Center Jackson, MS | A | $55,000 | paid | BRN3C AS A NOVEL TARGET FOR AUDITORY HAIR CELL REGENERATION | 201941339349306509 |
| 2018 | University of Colorado Denver Denver, CO | A | $55,000 | paid | CHANGES IN NA+ CHANNEL SUBUNITS IN VESTIBULAR CALYX AFFERENT TERMINALS DURING POSTNATAL DEVELOPMENT | 201941339349306509 |
| 2018 | Massachusetts Eye and Ear Infirmary Boston, MA | A | $50,000 | paid | GENERATION OF A NEUROTROPHIN-3 SMALL MOLECULE ANALOG FOR TREATMENT OF COCHLEAR SYNAPTOPATHY | 201941339349306509 |
Match tier: A Reported EIN · B Exact name and place · C Strong name match · D Probable name match · U Unresolved. Tiers C and D are inferred, not reported; see how matching works.
Recipient matching for this dataset version has not yet completed its independent precision check. Tier A rows carry the EIN the filer reported; tiers B–D are the matcher's inference and should be read as leads until the check is published on the methodology page.
Source filings
Every figure above is traceable to one of these IRS e-file returns by its OBJECT_ID.
| Form | Tax year | Period end | Filed | Schema | IRS OBJECT_ID |
|---|---|---|---|---|---|
| 990 | 2025 | 2025-06-30 | not stated | 2024v5.5 | 202621029349300222 |
| 990 | 2024 | 2024-06-30 | not stated | 2023v6.0 | 202521229349302722 |
| 990 | 2023 | 2023-06-30 | not stated | 2022v5.0 | 202401349349303645 |
| 990 | 2022 | 2022-06-30 | not stated | 2021v4.2 | 202321229349300522 |
| 990 | 2021 | 2021-06-30 | not stated | 2020v4.2 | 202200709349301000 |
| 990 | 2020 | 2020-06-30 | not stated | 2019v5.2 | 202131339349300438 |
| 990 | 2019 | 2019-06-30 | not stated | 2018v3.1 | 202001419349301300 |
| 990 | 2018 | 2018-06-30 | not stated | 2017v2.3 | 201941339349306509 |
Derived from IRS Form 990 e-file XML; recipient identities from the IRS Exempt Organizations Business Master File. Dataset version 2026.09.0, built 2026-09-03. The same rows as Parquet: manifest; as JSON: /api/funders/205095702.json.
The same organization elsewhere in the program: exempt status and filing health · federal awards · grant guidance · open opportunities.
This is informational only, derived from public data on the dates shown. It is not an eligibility determination, and not legal, tax, or accounting advice. Verify against the official source before relying on it.