Grey Rocks Foundation Inc
Grey Rocks Foundation Inc is a private family foundation based in Boston, Massachusetts, established in 1986 and granted tax-exempt status in November 1988. Also known as the McLaneHarper Charitable Foundation, it operates as a 501(c)(3) organization focused on discretionary grantmaking to support charitable causes primarily in New England.
Financial Overview
From 2024 IRS Form 990-PF · View filing
Total Assets
$65.6M
+11.8% YoY
Annual Giving
$2.9M
+67.4% YoY
Grant Count
97
+6.6% YoY
Avg Grant Size
$30K
+57.0% YoY
Mission & Focus Areas
The foundation does not maintain a publicly stated mission statement. However, based on its grantmaking patterns, the foundation supports the following areas:
- Education
- Arts and culture
- Environmental conservation
- Rowing and sports
- Literacy and educational access programs
- Human services
- Philanthropy and voluntarism
Grantmaking
The foundation made 59 grants totaling approximately $2.9 million, including:
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Geographic Focus
Where this funder awards grants
The foundation primarily supports organizations in New England, with particular emphasis on Massachusetts and New Hampshire. It also has some funding activity in California.
Grant Distribution by State
States
Cities
Financial History
Multi-year comparison from IRS filings
As of December 2024:
- Total Assets: $65,574,100
- Total Revenue: $10,780,464
- Total Expenses: $3,908,837
- Total Giving: $2,918,776
- Total Liabilities: $330,000
As of December 2023:
- Total Assets: $58,664,273
- Total Revenue: $12,937,187
- Total Expenses: $2,321,305
Revenue Composition (2024):
- Grants and contributions: $1,753,465
- Investment income and dividends: $1,337,825
| Metric | 2024 | 2023 | 2022 |
|---|---|---|---|
| Total Assets | $65,574,100 | $58,664,273 | $48,013,091 |
| Revenue | $10,780,464 | $12,937,187 | $2,094,653 |
| Expenses | $3,908,837 | $2,321,305 | $2,106,696 |
| Qualifying Distributions | $2,918,776 | $1,676,967 | $1,467,959 |
| Net Investment Income | $10,409,436 | $13,918,767 | $1,709,406 |
| Distributable Amount | $3,816,200 | $3,203,593 | $3,064,285 |
Giving Over Time
Total grant dollars and number of grants per year
Grant Insights
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2024
Grant Size Distribution
250 grants across all recorded years
Giving History
Grant recipients and amounts by year
No grants recorded for .
Leadership & Key People
Leadership team and compensation from IRS filings
- P. Andrews McLane – President; retired venture capitalist and senior advisor at TA Associates
- Linda Harper McLane – Treasurer
Both founders serve without compensation. The foundation was established by P. Andrews McLane and Linda Harper McLane.
Compensation Overview
From 2024 IRS filing
From 2024 filing
| Name | Title | Hours | Compensation |
|---|---|---|---|
| P ANDREWS MCLANE | PRESIDENT | — | — |
| LINDA MCLANE | TREASURER | — | — |
| DAVID H HOPFENBERG | CLERK | — | — |
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Data last updated April 2026. Sourced from IRS Form 990-PF filings. Research dossier generated April 2026.
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