Seisolo Foundation

BOULDER, CO EIN: 45-3811029

Seisolo Foundation is a nonprofit organization focused on Philanthropy, Voluntarism & Grantmaking, based in BOULDER, CO. IRS filing data is available from 2020 through 2024. In 2024, it awarded 11 grants totaling $4.4M.

Financial Overview

From 2024 IRS Form 990-PF · View filing

Total Assets

Annual Giving

$4.4M

+495.3% YoY

Grant Count

11

+0.0% YoY

Avg Grant Size

$401K

+495.3% YoY

About Seisolo Foundation

Based on IRS filings

Seisolo Foundation is a nonprofit organization focused on Philanthropy, Voluntarism & Grantmaking, based in BOULDER, CO. IRS filing data is available from 2020 through 2024. In 2024, it awarded 11 grants totaling $4.4M.

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Geographic Focus

Where this funder awards grants

Grant Distribution by State

6states

Cities

ATLANTABOULDERCHICAGODENVERINDIANAPOLISLAFAYETTELONGMONTLOUISVILLENEW YORKST PAUL

Financial History

Multi-year comparison from IRS filings

Revenue
Expenses
Qualifying Distributions
Net Investment Income
$0$0.275$0.55$0.8250000000000001$1.120202021202220232024
Metric202420232022
Total Assets
Revenue
Expenses
Qualifying Distributions
Net Investment Income
Distributable Amount

Giving Over Time

Total grant dollars and number of grants per year

$0$1M$2M$3M$4M12 grants202014 grants202112 grants202211 grants202311 grants2024

Grant Insights

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2024

RENAISSANCE CHARITABLE F…$3.7MCOLUMBIA UNIVERSITY TRIF…$200KUNIVERSITY OF COLORADO F…$200KBOULDER BACH FESTIVAL$150KCOLO MUSIC FESTIVALCTR F…$60KCOLO MUSIC FESTIVALCTR F…$60KBOULDER PHILHARMONIC ORC…$50KCOMMUNITY FOOD SHARE$10KCOLORADO ARCS (ACHIEVEME…$8KST PAUL CENTRAL HS SCHOL…$8K

Grant Size Distribution

60 grants across all recorded years

29<$50K18$50–100K12$100–250K$250–500K$500K–1M1$1–5M$5M+

Giving History

Grant recipients and amounts by year

Among its reported 2024 grants, the largest include Renaissance Charitable Foundation Inc Fbo Seisolo Charitable Fund ($3,655,540), Columbia University Trifunac-thurnauer Fund ($200,000), University of Colorado Foundation ($200,000).

RecipientPurposeAmount
BOULDER BACH FESTIVAL BOULDER, COSUPPORT FOR BOULDER BACH FESTIVAL CONCERTS AND EDUCATIONAL PROGRAMMING (STUDENTS RANGE FROM GRADE SCHOOL THROUGH ADULTS). THE FUNDS WILL BE USED FOR PROGRAMMING THAT CAN BE INTERCHANGEABLE AND ADAPTABLE BETWEEN LIVE AND ONLINE AS NECESSARY IN RECOGNITION OF IMPACT OF COVID-19.$150,000
BOULDER PHILHARMONIC ORCHESTRA EDUCATION BOULDER, COSUPPORT COMMUNITY OUTREACH TO YOUNG STUDENTS (PRESCHOOL THROUGH HIGH SCHOOL) THROUGH IN-SCHOOL MUSIC EDUCATION AND THE DISCOVERY CONCERTS. ALL TOGETHER THE PROGRAMS REACH OVER 800 STUDENTS EACH SEASON.$50,000
COLO MUSIC FESTIVALCTR FOR MUSICAL ARTS LAFAYETTE, COHEARTSTRINGS PROGRAM ENSURES THAT EVERY STUDENT IS ABLE TO ACCESS MUSIC STUDY AND PERFORMANCE. SPECIFICALLY, A COMBINATION OF ONLINE AND IN PERSON CLASSES WILL BE OFFERED. THE FUNDS WILL SUPPORT COLLABORATIONS WITH I HAVE A DREAM OF BOULDER COUNTY STUDENTS.$60,000
COLO MUSIC FESTIVALCTR FOR MUSICAL ARTS LAFAYETTE, COTHE FESTIVAL FELLOWS PROGRAM SUPPORTS THE GOAL OF ADDRESSING THE ISSUE OF UNDERREPRESENTATION OF PEOPLE OF COLOR IN CLASSICAL MUSIC BY HOSTING ASPIRING PROFESSIONAL MUSICIANS TO SERVE AS FESTIVAL FELLOWS. THE PROGRAM WILL ADVANCE THE FELLOWS' EXPERIENCE AND KNOWLEDGE WITHIN A BROAD SPECTRUM OF PERFORMANCE AND EDUCATIONAL OPPORTUNITIES.$60,000
COLORADO ARCS (ACHIEVEMENT REWARDS FOR COLLEGE SCIENTISTS) DENVER, COSCHOLARSHIP TO DESERVING SCIENCE, ENGINEERING, OR MEDICAL STUDENTS AT ONE OF THE COLORADO UNIVERSITIES THAT ARCS SUPPORTS (UNIVERSITY OF COLORADO (CU) BOULDER CAMPUS, CU DENVER CAMPUS, CU COLORADO SPRINGS CAMPUS, CU ANSCHUTZ CAMPUS, COLORADO SCHOOL OF MINES, COLORADO STATE UNIVERSITY).$7,500
COLUMBIA UNIVERSITY TRIFUNAC-THURNAUER FUND NEW YORK, NYSCHOLARSHIP FUND TO SUPPORT STUDENTS PURSUING MAJORS WITHIN THE DIVISION OF NATURAL SCIENCES, WITH A PREFERENCE FOR CHEMISTRY MAJORS.$200,000
COMMUNITY FOOD SHARE LOUISVILLE, COMISSION TO BE A LEADER IN ENDING HUNGER IN BOULDER AND BROOMFIELD COUNTIES, COLORADO$10,000
OUR (OUTREACH UNITED RESOURCE) CENTER LONGMONT, COMISSION TO HELP PEOPLE MOVE TOWARD SELF-SUFFICIENCY BY UNIFYING COMMUNITY RESOURCES.$5,000
ST PAUL CENTRAL HS SCHOLARSHIP FUND ST PAUL, MNTO PROVIDE POST- HIGH SCHOOL SCHOLARSHIPS FOR LOW-INCOME STUDENTS.$7,500
UNIVERSITY OF COLORADO FOUNDATION BOULDER, COGIFT DESIGNATED TO INCREASE THE ENDOWMENT OF NORIS GRADUATE STUDENT AWARDS FUND. PROVIDES SUPPORT FOR AWARDS TO GRADUATE STUDENTS IN THE COLLEGE OF MUSIC AT THE UNIVERSITY OF COLORADO BOULDER.$200,000

Leadership & Key People

Officers and directors from IRS filings

Compensation Overview

From 2024 IRS filing

From 2024 filing

NameTitleHoursCompensation
MARION THURNAUERPRESIDENT/TREAS2
ALEXANDER TRIFUNACSECRETARY1

Subject Areas

Focus areas based on grantmaking activity

Frequently Asked Questions

What is Seisolo Foundation?

Seisolo Foundation is a nonprofit organization focused on Philanthropy, Voluntarism & Grantmaking, based in BOULDER, CO. It holds — in total assets as of 2024.

Where does Seisolo Foundation operate?

Seisolo Foundation has awarded grants in Colorado, Georgia, Illinois, Indiana, Minnesota, New York.

What size grants does Seisolo Foundation award?

In 2024, Seisolo Foundation awarded 11 grants totaling $4.4M — an average of about $401K per grant, based on its IRS Form 990 filings.

What is Seisolo Foundation's EIN?

Seisolo Foundation's EIN (Employer Identification Number) is 45-3811029. IRS Form 990 filing data is available on this page for 2020–2024.

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Data last updated April 2026. Sourced from IRS Form 990-PF filings.

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