From public IRS filings
OPEN SPACE INSTITUTE INC
NEW YORK, NY · Environment
Mission
OSI AND ITS SUPPORTING ORGANIZATION, OPEN SPACE INSTITUTE LAND TRUST, PROTECTS LAND.
Financials (IRS Form 990)
Total revenue
$6.9M
Total expenses
$3.7M
Total assets
$23.3M
Program expense ratio
60%
Source: IRS Form 990, tax year 2024.
Who funds OPEN SPACE INSTITUTE INC
$17.9M in foundation grants on record from 125 funders — matched from IRS 990 grant line items. Some matches may be approximate.
| Funder | Total given | Grants |
|---|---|---|
| National Philanthropic Trust | $4.9M | 4 |
| Lytton-Kambara Foundation | $3.2M | 3 |
| Head & Heart Foundation Tr 12319 | $1.1M | 4 |
| Lyndhurst Foundation | $880K | 1 |
| Ceres Foundation | $525K | 2 |
| Thomas L Kempner Jr Foundation | $520K | 1 |
| Donor Advised Charitable Giving | $508K | 4 |
| Fidelity Investments Charitable Gift Fund | $414K | 4 |
| Rhoads Jr Jay-Environmental Fund Tr | $365K | 2 |
| Jm Kaplan Fund | $345K | 6 |
Leadership
LARS ERIK KULLESEID — CFO (Principal officer)
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