401(k) · DOL Form 5500 · 2023
Costar Realty Information, Inc. 401(k) Plan
Data updated 2026-08-11
- $616M
- Total assets
- 5,010
- Participants
- 98th
- Percentile by assets
- $122,965
- Avg per participant
Official DOL plan name: Costar Realty Information, Inc. 401(k) Retirement Plan · Sponsored by Costar Realty Information, Inc. · District of Columbia · Real Estate
$616M in assets, 5,010 participants
Costar Realty Information, Inc.'s Costar Realty Information, Inc. 401(k) Retirement Plan reported $616M in total assets and 5,010 participants in its 2023 DOL Form 5500 filing, ranking in the 98th 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.
- 98th percentile by assets (of 127,072 plans)
- #4,711 in Real Estate (4,727 peers)
Coverage in District of Columbia
Costar Realty Information, Inc. 401(k) Retirement Plan covers 5,010 participants in District of Columbia, 3.4x the typical District of Columbia plan (state average ~1,456 per filing). Assets: $616M.
- $616M
- total plan assets (2023 EOY)
- 5,010
- covered participants
- 98th
- percentile by assets (of 127,072 plans)
- $122,965
- avg assets per participant
What changed between DOL Form 5500 filings
plan year 2022 → plan year 2023
- Costar Realty Information, Inc. 401(k) Retirement Plan reported net income rose from -$68M in the plan year 2022 filing to $151M in the plan year 2023 filing.
- Costar Realty Information, Inc. 401(k) Retirement Plan end-of-year assets rose from $465M in the plan year 2022 filing to $616M in the plan year 2023 filing.
- Costar Realty Information, Inc. 401(k) Retirement Plan reported participants rose from 4,191 in the plan year 2022 filing to 5,010 in the plan year 2023 filing.
Participants vs District of Columbia filers
In District of Columbia, the average filing covers about 1,456 participants across 881 plans. Costar Realty Information, Inc. 401(k) Retirement Plan reports 5,010 participants - 3.4x that state average ($616M EOY assets).
District of Columbia filing particulars
| Total Assets (Beginning of Year) | $465M |
|---|---|
| Net Assets (End of Year) | $616M |
| Net Income | $151M |
| Employer EIN | 522134617 |
| Plan Effective Date | 1997-01-01 |
| Filing Status | FILING RECEIVED |
Sponsor Plan History (Costar Realty Information, Inc.)
| Year | Plans | Participants | Total Assets |
|---|---|---|---|
| 2022 | 1 | 4,191 | $465M |
| 2023 | 1 | 5,010 | $616M |
| 2024 | 1 | 5,390 | $753M |
Nearby 401(k) Plans in District of Columbia
Peer 401(k) plans, same state, same plan type, ranked by total assets.
Costar Realty Information, Inc. 401(k) Retirement Plan vs. nearby 401(k) plans in District of Columbia, assets vs. participants
- Danaher Corporation & Subsidiaries Savings Plan $5.8B · 29,441
- Geico 401(k) Savings Plan $5.8B · 39,034
- Federal National Mortgage Association Retirement Savings Plan for Employees $3.9B · 8,044
- Finra Savings Plus Plan $2.2B · 3,958
- Hogan Lovells US LLP Retirement Savings Plan $1.6B · 1,870
Scale composition for Costar Realty Information, Inc. 401(k) Retirement Plan
Costar Realty Information, Inc. 401(k) Retirement Plan reports $616M in end-of-year assets across 5,010 participants (0.005% of the $12.3T held by all Form 5500 filers in the national rollup , and 0.005% of 93,925,755 covered participants) - about $122,965 per participant (89% of the national average assets-per-participant) . Net income for plan year 2023 was $151M.
This plan identity (EIN 522134617, plan #001) has 3 Form 5500 filings on file from 2022 to 2024 , with end-of-year assets moving from $465M to $753M (+62.1%) while covered participants moved from 4,191 to 5,390 . Single-year sparse filers cannot show that trail.
| Plan year | Participants | EOY assets | Filing |
|---|---|---|---|
| 2022 | 4,191 | $465M | Open filing |
| 2023 | 5,010 | $616M | This page |
| 2024 · index core | 5,390 | $753M | Open filing |
The same sponsor also keeps 1 other index-core plan on PlainRetire:
- Costar Realty Information, Inc. 401(k) Retirement Plan (401(k), $753M, 5,390 participants)
Similar-Sized 401(k) Plans Nationally
401(k) plans in other states closest to Costar Realty Information, Inc. 401(k) Retirement Plan by total assets, not by location.
- Edgewell Personal Care 401(k) Plan (CT) $616M · 2,074
- Saint-Gobain Corporation 401(k) Plan for Hourly Employees (PA) $616M · 10,054
- Umb Profit Sharing and 401(k) Savings Plan (MO) $615M · 3,646
- Teleflex 401(k) Savings Plan (PA) $615M · 3,758
Frequently Asked Questions
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Filing takeaways
Ways to act on Costar Realty Information, Inc. 401(k) Retirement Plan's numbers.
- By total assets, Costar Realty Information, Inc. 401(k) Retirement Plan ranks in the top 5% of all filed plans by assets. See the largest plans
- Compare it side-by-side against 3 similar 401(k) plans in District of Columbia. Compare plans
- Costar Realty Information, Inc.'s sponsor-wide assets have grown 62.1% since 2022 across 3 plan years on file. More Real Estate plans