ORGANIZATION FOR TROPICAL STUDIES INC, of DURHAM, NC, is a Public Charity tracked in Imperigo's IRS 990 database. The 2025 filing shows $9.7M in revenue, $8.8M in expenses, $18.6M in total assets. 28 publicly reported grants to this organization, totaling roughly $1.1M, appear in IRS filings.
THE ORGANIZATION FOR TROPICAL STUDIES, INC. (OTS) IS CHARTERED AS A NON PROFIT CORPORATION UNDER THE LAWS OF NORTH CAROLINA AND IS SUPPORTED BY A CONSORTIUM OF INSTITUTIONS OF HIGHER LEARNING IN NORTH, CENTRAL, AND SOUTH AMERICA, AUSTRALIA, AND SOUTH AFRICA. OTS'S PURPOSE IS TO SUSTAIN TROPICAL ECOSYSTEMS BY DRIVING SCIENTIFIC DISCOVERY AND KNOWLEDGE, BY ENRICHING HUMAN PERCEPTION OF NATURE, AND BY ENHANCING WORLDWIDE POLICY IN THE TROPICS.
Showing up to 5 of 28 total records — full history available with membership.
Officer compensation and complete director data available with membership.
| Year | Revenue | Expenses | Assets |
|---|---|---|---|
| 2025 | $9.7M | $8.8M | $18.6M |
| 2024 | $9.2M | $9.9M | $15.6M |
| 2023 | $8.8M | $9.4M | $15.0M |
| 2022 | $4.5M | $4.9M | $14.3M |
| 2021 | $2.9M | $3.3M | $17.6M |
Between 2021 and 2025, reported annual revenue grew from $2.9M to $9.7M (+239%), with total assets most recently reported at $18.6M.
Interactive year-over-year charts and full filing details available with membership.
