Charity Search / PARKINSON STUDY GROUP INC
Diseases & Disorders (G50) 990 on File

PARKINSON STUDY GROUP INC

EIN: 46-5749468 · EAST BOSTON, MA 02128-1457 · United States · FY 2025 Data
3 out of 5 54 / 100 Based on 2+ years of filings
Financial strength (30%) 92/100
Reliability (20%) 45/100
Effectiveness (25%) 68/100
Impact (25%) No data yet
Financial data: FY 2025 · Scored 9/13/2026
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Financial Overview — FY 2025
$1.8M
Total Revenue
$1.6M
Total Expenses
$1.3M
Net Assets
1
Employees
Revenue Sources
Expense Breakdown
Program Expense Ratio 71.9%
Fundraising Efficiency N/A
Operating Reserve 9.40x
Liability-to-Asset 8.6%
Revenue Diversification 52.8%
Compared with Peers
FY 2025
Compared with 264 similar organizations (United States, Diseases & Disorders, $1M–$10M in expenses), FY 2025.
This organization Middle half of peers (P25–P75) Peer median
Ratio This org Peer median Position (P10 → P90)
Program expense ratio
Program expenses / total expenses · higher is better
71.9% 83.2%
P10P90
Bottom quarter
Admin expense ratio
Management and general / total expenses · lower is better
28.1% 11.0%
P10P90
Bottom quarter
Fundraising expense ratio
Fundraising expenses / total expenses · lower is better
0.0% 2.5%
P10P90
Top quarter
Operating reserve
Months of expenses covered by net assets · higher is better
9.4 mo 12.5 mo
P10P90
Below median
Liabilities to assets
Total liabilities / total assets · lower is better
8.6% 12.5%
P10P90
Above median
Revenue concentration
Share of revenue from the largest source · lower is better
52.8% 87.6%
P10P90
Top quarter
Revenue growth
Year over year revenue growth
90.2% 7.1%
P10P90
Expense growth
Year over year expense growth
64.9% 5.7%
P10P90
Surplus margin
Surplus as a share of revenue
10.4% 4.1%
P10P90
Financial History
Year Revenue Expenses Net Assets Program % Staff
2025 $1.8M $1.6M $1.3M 71.9% 1
2024 $966K $999K $1.1M 74.5% 1
2023 $721K $676K $1.1M 67.9% 1
2022 $899K $481K $1.1M 66.6% 1
2021 $439K $384K $723K 72.5% 0
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Organization Details
EIN
46-5749468
State
MA
City
EAST BOSTON
ZIP
02128-1457
Classification
G50
Category
Diseases & Disorders
Rating
3★
Coverage
A
Last Updated
Aug 2026
Form 990
On File
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