Charity Search / PUBLIC LIBRARY OF SCIENCE
Science & Technology (U20) 990 on File

PUBLIC LIBRARY OF SCIENCE

EIN: 68-0492065 · SAN FRANCISCO, CA 94111-6216 · United States · FY 2024 Data
3 out of 5 59 / 100 Based on 2+ years of filings
Financial strength (30%) 89/100
Reliability (20%) 55/100
Effectiveness (25%) 88/100
Impact (25%) No data yet
Financial data: FY 2024 · Scored 9/13/2026
Register and add impact metrics to be rated above three stars
Claim this Charity
CharityAI™ Score
Not yet evaluated
Financial Overview — FY 2024
$41.3M
Total Revenue
$37.0M
Total Expenses
$23.0M
Net Assets
236
Employees
Revenue Sources
Expense Breakdown
Program Expense Ratio 83.9%
Fundraising Efficiency N/A
Operating Reserve 7.47x
Liability-to-Asset 29.8%
Revenue Diversification 92.1%
Executive Compensation $1.8M
Compared with Peers
FY 2024
Compared with 98 similar organizations (United States, Science & Technology, $10M–$100M in expenses), FY 2024.
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
83.9% 82.4%
P10P90
Above median
Admin expense ratio
Management and general / total expenses · lower is better
16.1% 14.3%
P10P90
Below median
Fundraising expense ratio
Fundraising expenses / total expenses · lower is better
0.0% 0.1%
P10P90
Top quarter
Operating reserve
Months of expenses covered by net assets · higher is better
7.5 mo 16.4 mo
P10P90
Below median
Liabilities to assets
Total liabilities / total assets · lower is better
29.8% 21.2%
P10P90
Below median
Revenue concentration
Share of revenue from the largest source · lower is better
92.1% 85.6%
P10P90
Below median
Revenue growth
Year over year revenue growth
25.1% 4.6%
P10P90
Expense growth
Year over year expense growth
5.9% 5.9%
P10P90
Surplus margin
Surplus as a share of revenue
10.5% 0.0%
P10P90
Financial History
Year Revenue Expenses Net Assets Program % Staff
2024 $41.3M $37.0M $23.0M 83.9% 236
2023 $33.0M $34.9M $18.2M 81.5% 125
2022 $35.0M $33.4M $19.0M 85.8% 138
2021 $38.1M $32.5M N/A 156
Donor Reviews
Write a Review
No reviews yet

Be the first to share your experience with this organization.


Write a Review
Minimum 20 characters
Reviews appear after moderation (usually within 24 hours)
Organization Details
EIN
68-0492065
State
CA
City
SAN FRANCISCO
ZIP
94111-6216
Classification
U20
Category
Science & Technology
Rating
3★
Coverage
A
Last Updated
Aug 2026
Form 990
On File
Is this your organization?

Claim it to manage this profile, add your board, financials and impact metrics, and lift your CharityAI™ rating.

Claim this Charity
Back to Search New Search