WOODS HOLE OCEANOGRAPHIC INSTITUTION

WOODS HOLE, MA, 02543-1041 (508) 457-2000 Est. 1930 EIN 04-2105850

U210 - Science & Technology 990 - Public charity return 501(c)(3)

Mission

SEE SCHEDULE O

Total Revenue

$344,338,772

Total Expenses

$353,206,433

Net Assets

$638,700,121

1,446 employees 61 volunteers

From latest filing (tax period ending 2024-12-31)

Operating Reserve

21.7 months Healthy

Net assets / monthly expenses

Year-over-Year Change

Revenue ↓ 0.4%

Expenses ↑ 6.5%

Revenue Sources

Contributions 96.3% Earned revenue 3.2%

Expense Breakdown

Program 87.0% Management 11.5% Fundraising 1.5%

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Year	Revenue	Expenses	Net Assets
2024 990 - Public charity return Jan 1, 2024 to Dec 31, 2024	$344,338,772 ↓	$353,206,433	$638,700,121
2023 990 - Public charity return Jan 1, 2023 to Dec 31, 2023	$345,864,759 ↓	$331,628,959	$603,300,153
2022 990 - Public charity return Jan 1, 2022 to Dec 31, 2022	$353,851,530 ↑	$296,228,623	$560,354,675
2020 990 - Public charity return Jan 1, 2020 to Dec 31, 2020	$255,307,779 ↓	$265,292,350	$434,165,909
2019 990 - Public charity return Jan 1, 2019 to Dec 31, 2019	$261,786,466 ↑	$257,326,966	$385,707,475
2018 990 - Public charity return Jan 1, 2018 to Dec 31, 2018	$203,711,976	$227,673,490	$355,636,056