Wegner Arboretum Society is a 501(c)(3) organization based in Sioux Falls, South Dakota, registered in 2008, with $309,451 in FY2024 revenue. CharityIndex grades it D.
Revenue (FY2024)
$309K
▼ 63.9% vs prior year
Arts & Culture median: $159K
Expenses (FY2024)
$480K
Net assets
$507K
Employees
—
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 Wegner Arboretum Society— 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 Wegner Arboretum Society: 13 mo reserves · -55% margin earns a F 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 Wegner Arboretum Society— 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 Wegner Arboretum Society: 2 of 5 disclosure signals earns a C on this criterion. See the exact thresholds →
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Revenue grew from $78K (FY2012) to $309K (FY2024) across 13 reported years.
Financial snapshot
Operating margin
-55.2%
Spent more than it raised in the latest fiscal year.
Total assets
$581K
Total liabilities
$74K
Net assets
$507K
| Fiscal year | Revenue | Expenses | Net assets | Total assets | Form |
|---|---|---|---|---|---|
| 2024 | $309,451▼63.9% | $480,358▼23.6% | $507,491▼24.2% | $581,218▼18.3% | 990 |
| 2023 | $856,710▲110% | $628,343▲112% | $669,239▲51.8% | $711,219▲54.9% | 990 |
| 2022 | $407,992▲165% | $296,931▲117% | $440,872▲33.7% | $459,000▲35.4% | 990 |
| 2021 | $153,783▼41.3% | $137,000▼41.2% | $329,811▲5.4% | $338,920▼5.0% | 990 |
| 2020 | $261,974▲64.0% | $232,820▲52.0% | $313,030▲10.3% | $356,577▼11.0% | 990 |
| 2019 | $159,776▲26.1% | $153,179▲26.9% | $283,876▲1.7% | $400,779▲40.8% | 990EZ |
| 2018 | $126,749▼0.5% | $120,737▲54.8% | $279,097▲1.9% | $284,697▲2.6% | 990EZ |
| 2017 | $127,338▲24.4% | $78,007▲2.9% | $273,777▲22.0% | $277,386▲21.8% | 990EZ |
| 2016 | $102,379▼1.2% | $75,777▲37.6% | $224,446▲13.4% | $227,711▼3.5% | 990EZ |
| 2015 | $103,593▼43.5% | $55,062▲0.3% | $197,844▲32.5% | $235,881▲7.4% | 990EZ |
| 2014 | $183,493▲73.6% | $54,901▲92.3% | $149,313▲621% | $219,605▲146% | 990EZ |
| 2013 | $105,693▲35.8% | $28,550▼91.0% | $20,721▲137% | $89,221▲94.0% | 990EZ |
| 2012 | $77,831 | $318,849▲703% | -$56,422▼111% | $45,990▼91.1% | 990EZ |
| 2011 | — | $39,706▲158% | $514,068▲38.6% | $514,068▲38.6% | 990 |
| 2010 | — | $15,411 | $370,868 | $370,868 | 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.
14 grants to Wegner Arboretum Society totaling $1.1M, reported by foundations on their Schedule I filings.
| Grantmaker | Purpose | Year | Amount |
|---|---|---|---|
| Sioux Falls Area Community Foundation Inc | General support, equipment needs | 2024 | $49,669 |
| Sioux Falls Area Community Foundation Inc | Program support, general support | 2023 | $178,228 |
| Sioux Falls Area Community Foundation Inc | General support | 2022 | $172,451 |
| Fidelity Investments Charitable Gift Fund | For grant recipient's exempt purposes | 2021 | $100,000 |
| Fidelity Investments Charitable Gift Fund | For grant recipient's exempt purposes | 2021 | $100,000 |
| Sioux Falls Area Community Foundation Inc | General support, hydrangea garden | 2021 | $19,600 |
| Sioux Falls Area Community Foundation Inc | Tulip garden, general support, and gardens | 2020 | $35,875 |
| Sioux Falls Area Community Foundation Inc | General support, land purchase | 2019 | $133,696 |
| Sioux Falls Area Community Foundation Inc | General support | 2018 | $24,261 |
| Sioux Falls Area Community Foundation Inc | For field trips, operations, and general support | 2017 | $27,640 |
| Sioux Falls Area Community Foundation Inc | General support for various programs | 2016 | $24,483 |
| Sioux Falls Area Community Foundation Inc | General support; events; programs | 2015 | $14,080 |
| South Dakota Community Foundation | Community welfare | 2015 | $10,000 |
| Sioux Falls Area Community Foundation Inc | General support; arbor day event; transportation costs | 2014 | $206,155 |
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Data for Wegner Arboretum Society (EIN 20-8784637) 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.