Other · DOL Form 5500 · 2023

The Adler Planetarium Retirement Plan

Data updated 2026-08-25

$6M
Total assets Small plan by assets
126
Participants Small participant base
49th
Percentile by assets National rank
$50,129
Avg per participant Low balance/head
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Official DOL plan name: The Adler Planetarium Defined Contribution Retirement Income Plan · Sponsored by The Adler Planetarium · Illinois · Arts, Entertainment & Recreation

$6M in assets, 126 participants

The Adler Planetarium's The Adler Planetarium Defined Contribution Retirement Income Plan reported $6M in total assets and 126 participants in its 2023 DOL Form 5500 filing, ranking in the 49th percentile by assets among filed plans. Figures are as reported by the plan sponsor to the Department of Labor, not audited or endorsed by PlainRetire.

  • #1,994 in Arts, Entertainment & Recreation (2,945 peers)

Coverage in Illinois

The Adler Planetarium Defined Contribution Retirement Income Plan covers 126 participants in Illinois, about 16% of the average Illinois filer (state average ~779 per filing). Assets: $6M.

#1,994
in Arts, Entertainment & Recreation (2,945 peers)
+25.7%
assets growth YoY

The Adler Planetarium Defined Contribution Retirement Income Plan's mid-pack asset rank among Arts, Entertainment & Recreation and all filers

The Adler Planetarium Defined Contribution Retirement Income Plan vs every filed plan by assets

End-of-year total assets · plan year 2023 · DOL Form 5500

$6,316,255 49th percentile higher than 49% of 127,068 filed plans

This plan $0 $2,050,000,000 every filed plan with reported assets, bucketed by value

Dashed line + filled bar = this entry, among filed plans.

Source U.S. Department of Labor Form 5500 filings (EBSA) · plan year 2023

The Adler Planetarium Defined Contribution Retirement Income Plan among mid-size filed plans by headcount

Plan-year 2023 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. The Adler Planetarium Defined Contribution Retirement Income Plan sits mid-pack in the medium band (126 participants).

What changed between DOL Form 5500 filings

plan year 2022 → plan year 2023

  • The Adler Planetarium Defined Contribution Retirement Income Plan reported net income rose from -$691K in the plan year 2022 filing to $1M in the plan year 2023 filing.
  • The Adler Planetarium Defined Contribution Retirement Income Plan reported participants rose from 93 in the plan year 2022 filing to 126 in the plan year 2023 filing.
  • The Adler Planetarium Defined Contribution Retirement Income Plan end-of-year assets rose from $5M in the plan year 2022 filing to $6M in the plan year 2023 filing.

See the national 2022→2023 release diff →

Form 5500 schedule snapshot

Filing strip 366210902 · The Adler Planetarium PY 2023 · Other

The Adler Planetarium Defined Contribution Retirement Income Plan · $6M · 126 · 49th

  • BOY $6M
  • BOY 126
  • BOY 49th
  • BOY Other
  • BOY near Family Services, Inc. 403(b) Plan
  • BOY ind #1994

Stamps derive from this plan's Form 5500 line items (assets, participants, type, EIN, cohort placement) - not a quality rating of the sponsor. Read with Arts, Entertainment & Recreation retirement plans → · Plans in Illinois →

The Adler Planetarium Defined Contribution Retirement Income Plan in the asset neighbourhood

The Adler Planetarium Defined Contribution Retirement Income PlanThe Adler Planetarium Define…$6MFamily Services, Inc. 403(b) PlanFamily Services, Inc. 403(b)…$6MStep Up Suncoast, Inc. 403(b) PlanStep Up Suncoast, Inc. 403(b…$6MEmployee Benefit Plan of United States Equestrian Federation, Inc.Employee Benefit Plan of Uni…$6MThe Arc of the Central Chesapeake Region, Inc. 403(b) PlanThe Arc of the Central Chesa…$6M
End-of-year total assets ($M) among The Adler Planetarium Defined Contribution Retirement Income Plan and nearest nationwide Other peers. Source: DOL Form 5500 plan year 2023.

Illinois filing particulars

Total Assets (Beginning of Year)$5M
Net Assets (End of Year)$6M
Net Income$1M
Employer EIN366210902
Plan Effective Date2010-01-01
Filing StatusFILING RECEIVED

Sponsor Plan History (The Adler Planetarium)

Sponsor-wide plan assets over time

All The Adler Planetarium plans reported in each filing year

Latest sponsor-wide plan assets
$8M 51.64934434554556% vs 2022
2024 filing year
$5M$10M$15M$20M 202220232024 $15.8M $7.63M ▼ -51.6%
Year Plans Participants Total Assets
2022 2 102 $16M
2023 2 135 $6M
2024 1 135 $8M

Nearby Other Plans in Illinois

Peer Other plans, same state, same plan type, ranked by total assets.

The Adler Planetarium Defined Contribution Retirement Income Plan vs. nearby Other plans in Illinois, assets vs. participants Scatter plot of 6 data points. -5000050001000015000 -1012345 Total assets ($B) Participants The Adler Planetarium Defined Contribution Retirement Income Plan, Total assets ($B): 0.006316255 · Participants: 126The Adler Planetarium Defined Contribution Retirement Income PlanNorthwestern University Retirement Plan, Total assets ($B): 4.022176874 · Participants: 9440Northwestern University Retirement PlanThe University of Chicago Contributory Retirement Plan, Total assets ($B): 3.494522229 · Participants: 4796The University of Chicago Contributory Retirement PlanEndeavor Health Legacy 403(b) Tax Deferred Annuity Plan for Northshore University Healthsystem Employees, Total assets ($B): 2.005336202 · Participants: 13705Endeavor Health Legacy 403(b) Tax Deferred Annuity Plan for Northshore University Healthsystem EmployeesThe University of Chicago Supplemental Retirement Plan, Total assets ($B): 1.734364044 · Participants: 8254The University of Chicago Supplemental Retirement PlanArgonne National Laboratory 403(b) Employee Retirement Plan, Total assets ($B): 1.577078821 · Participants: 3798Argonne National Laboratory 403(b) Employee Retirement Plan
The Adler Planetarium Defined Contribution Retirement Income Plan vs. nearby Other plans in Illinois, assets vs. participants
Compare The Adler Planetarium Defined Contribution Retirement Income Plan side-by-side with 3 peers →

The Adler Planetarium Defined Contribution Retirement Income Plan's out-of-state Other peers by assets and headcount

Outside Illinois, the nearest Other by assets is Family Services, Inc. 403(b) Plan in NY ($6M); by covered participants it is Town School for Boys DC Retirement Plan in CA (126 participants). Same-state nearby plans are listed separately above.

Similar participant headcount

Nearest other-state filings by covered participants (126 participants); asset peers above are excluded.

DOL Form 5500 plan year 2023. Asset totals can differ widely at the same headcount; neither axis is a quality rating.

Frequently Asked Questions

How did The Adler Planetarium Defined Contribution Retirement Income Plan assets move in 2023? ▼
The Adler Planetarium Defined Contribution Retirement Income Plan grew sharply - up 25.7% during 2023, from $5M to $6M. Reported net income was $1M.
How have The Adler Planetarium plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), The Adler Planetarium's sponsor-wide assets declined 51.6%, from $16M to $8M.
Which Other plans are similar in size to The Adler Planetarium Defined Contribution Retirement Income Plan? ▼
Among Other plans in other states, the closest by assets is Family Services, Inc. 403(b) Plan in NY ($6M, 212 participants).
Which Other plans cover a similar participant headcount to The Adler Planetarium Defined Contribution Retirement Income Plan? ▼
Among Other plans in other states, the closest by covered participants is Town School for Boys DC Retirement Plan in CA (126 participants, $39M in assets).

Source: U.S. Department of Labor, Employee Benefits Security Administration (EBSA), Form 5500 public disclosure dataset. Plan year 2023.

Source: DOL EFAST2 filing system (efast.dol.gov) - original filing retrieval by EIN 366210902.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from U.S. Department of Labor Form 5500 filings (EBSA). See our methodology for details.