Seattle Aquarium Society-seas is a 501(c)(3) organization based in Seattle, Washington, registered in 1983, with $54,098,416 in FY2024 revenue. CharityIndex grades it B.
Revenue (FY2024)
$54.1M
▲ 1.4% vs prior year
Animals median: $151K
Expenses (FY2024)
$34.3M
Net assets
$119.4M
Employees
—
Rated on 2 of 4 criteria — the rest aren't reported in this filing type.
Held down by its weakest criterion — a strong score on one criterion can't hide a weak one.
How the rating works →Measures how much of every dollar spent actually reaches programs, plus what it costs to raise $100 of donations. The worse of the two measures sets the letter (85%+ to programs is an A; under $15 to raise $100 is an A), averaged over the three most recent filings. Not scored for Seattle Aquarium Society-seas— this filing type doesn't report it, and the rating simply skips it (never counts it against the organization). See the exact thresholds →
Measures whether the organization is built to last: how many months its reserves would cover expenses (3+ months earns an A-range score, but hoarding 5+ years of budget is capped) and whether it runs a surplus or a deficit. For Seattle Aquarium Society-seas: 42 mo reserves · +37% margin earns a A on this criterion. See the exact thresholds →
Checks how the organization is run, from its own Form 990: an independent board majority, a board of five or more, conflict-of-interest, whistleblower and document-retention policies, and independently audited financials. The share of disclosed checks that pass sets the letter. Not scored for Seattle Aquarium Society-seas— this filing type doesn't report it, and the rating simply skips it (never counts it against the organization). See the exact thresholds →
Counts five disclosure signals: a recent filing, a mission statement, program descriptions, a listed website, and the full expense breakdown. More disclosure, better letter. For Seattle Aquarium Society-seas: 2 of 5 disclosure signals earns a C on this criterion. See the exact thresholds →
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Revenue grew from $14.5M (FY2013) to $54.1M (FY2024) across 12 reported years.
Financial snapshot
Operating margin
36.6%
Revenue exceeded expenses in the latest fiscal year.
Total assets
$211.4M
Total liabilities
$92.0M
Net assets
$119.4M
| Fiscal year | Revenue | Expenses | Net assets | Total assets | Form |
|---|---|---|---|---|---|
| 2024 | $54,098,416▲1.4% | $34,291,394▲13.1% | $119,425,807▲19.9% | $211,400,999▲22.1% | 990 |
| 2023 | $53,341,342▲18.3% | $30,313,177▲24.7% | $99,618,785▲30.1% | $173,148,773▲79.2% | 990 |
| 2022 | $45,089,878▲12.3% | $24,318,050▲36.5% | $76,590,620▲37.2% | $96,602,410▲54.3% | 990 |
| 2021 | $40,153,392▲90.1% | $17,812,498▲20.4% | $55,818,792▲66.7% | $62,591,830▲67.1% | 990 |
| 2020 | $21,125,199▼33.6% | $14,793,362▼21.9% | $33,477,898▲23.3% | $37,450,091▲21.7% | 990 |
| 2019 | $31,831,567▲28.0% | $18,932,478▼2.2% | $27,146,061▲82.3% | $30,764,155▲77.2% | 990 |
| 2018 | $24,866,548▲28.6% | $19,366,328▲14.9% | $14,887,014▲58.8% | $17,357,178▲40.8% | 990 |
| 2017 | $19,338,489▲11.7% | $16,861,772▲0.6% | $9,376,794▲32.2% | $12,323,764▲40.7% | 990 |
| 2016 | $17,310,915▲13.7% | $16,757,036▲14.1% | $7,093,141▲8.5% | $8,761,646▲0.8% | 990 |
| 2015 | $15,227,924▲4.6% | $14,688,610▲13.5% | $6,539,262▲9.0% | $8,695,496▼2.9% | 990 |
| 2014 | $14,554,699▲0.6% | $12,937,607▼0.5% | $5,999,316▲36.9% | $8,958,437▼5.2% | 990 |
| 2013 | $14,467,857 | $13,003,625▲1.9% | $4,382,319▲50.1% | $9,453,110▲7.4% | 990 |
| 2012 | — | $12,764,307▲2.5% | $2,920,103▲30.0% | $8,804,302▲13.6% | 990 |
| 2011 | — | $12,453,021▲42.9% | $2,246,373▼31.2% | $7,753,041▼12.1% | 990 |
| 2010 | — | $8,712,223 | $3,265,144 | $8,824,926 | 990 |
Original Form 990 PDFs (the Form column) are served by ProPublica Nonprofit Explorer, as filed with the IRS. Create a free account to download the CSV report.
199 grants to Seattle Aquarium Society-seas totaling $26.0M, reported by foundations on their Schedule I filings — showing the 15 most recent.
| Grantmaker | Purpose | Year | Amount |
|---|---|---|---|
| Gs Donor Advised Philanthropy Fund For Wealth Management Inc | Environment & animal protection | 2024 | $4,340,000 |
| American Online Giving Foundation Inc | General support | 2024 | $370,512 |
| Morgan Stanley Global Impact Funding Trust Inc | Unrestricted general support | 2024 | $140,000 |
| Morgan Stanley Global Impact Funding Trust Inc | Unrestricted general support | 2024 | $134,750 |
| American Endowment Foundation | Animal-related | 2024 | $102,250 |
| The Seattle Foundation | To support the capital campaign | 2024 | $100,000 |
| Woodland Park Zoological Society | Empathy capacity building grant program | 2024 | $98,311 |
| The Seattle Foundation | To support the ocean pavilion. | 2024 | $33,333 |
| The Seattle Foundation | To support the one ocean, one future campaign. | 2024 | $33,333 |
| The Us Charitable Gift Trust | For recipient's exempt purpose | 2024 | $22,000 |
| Charities Aid Foundation America | Charitable donation | 2024 | $17,115 |
| Raymond James Charitable Endowment Fund | General support | 2024 | $15,000 |
| The Seattle Foundation | To provide general support | 2024 | $10,000 |
| Mightycause Charitable Foundation | Unrestricted | 2024 | $7,338 |
| The Seattle Foundation | To support the ocean pavilion expansion | 2024 | $5,000 |
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Data for Seattle Aquarium Society-seas (EIN 91-1189249) comes from the IRS Business Master File and e-filed Form 990 returns, via CharityIndex. Figures reflect what the organization reported to the IRS for each fiscal year.