401(k) · DOL Form 5500 · 2024
Alterra Mountain Company 401(k) Plan
Data updated 2026-08-11
- $366M
- Total assets
- 10,620
- Participants
- 96th
- Percentile by assets
- $34,448
- Avg per participant
Official DOL plan name: Alterra Mountain Company U.S. Inc. 401(k) Retirement Plan · Sponsored by Alterra Mountain Company · Colorado · Arts, Entertainment & Recreation
$366M in assets, 10,620 participants
Alterra Mountain Company's Alterra Mountain Company U.S. Inc. 401(k) Retirement Plan reported $366M in total assets and 10,620 participants in its 2024 DOL Form 5500 filing, ranking in the 96th 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.
- 96th percentile by assets (of 123,622 plans)
- #2,882 in Arts, Entertainment & Recreation (2,921 peers)
Coverage in Colorado
Alterra Mountain Company U.S. Inc. 401(k) Retirement Plan covers 10,620 participants in Colorado, 28x the typical Colorado plan (state average ~376 per filing). Assets: $366M.
- $366M
- total plan assets (2024 EOY)
- 10,620
- covered participants
- 96th
- percentile by assets (of 123,622 plans)
- $34,448
- avg assets per participant
What changed between DOL Form 5500 filings
plan year 2023 → plan year 2024
- Alterra Mountain Company U.S. Inc. 401(k) Retirement Plan reported net income fell from $70M in the plan year 2023 filing to $55M in the plan year 2024 filing.
- Alterra Mountain Company U.S. Inc. 401(k) Retirement Plan end-of-year assets rose from $310M in the plan year 2023 filing to $366M in the plan year 2024 filing.
- Alterra Mountain Company U.S. Inc. 401(k) Retirement Plan reported participants fell from 11,850 in the plan year 2023 filing to 10,620 in the plan year 2024 filing.
Participants vs Colorado filers
In Colorado, the average filing covers about 376 participants across 2,719 plans. Alterra Mountain Company U.S. Inc. 401(k) Retirement Plan reports 10,620 participants - 28x that state average ($366M EOY assets).
Colorado filing particulars
| Total Assets (Beginning of Year) | $310M |
|---|---|
| Net Assets (End of Year) | $366M |
| Net Income | $55M |
| Employer EIN | 911616891 |
| Plan Effective Date | 1978-06-30 |
| Filing Status | FILING RECEIVED |
Sponsor Plan History (Alterra Mountain Company)
| Year | Plans | Participants | Total Assets |
|---|---|---|---|
| 2022 | 1 | 12,118 | $240M |
| 2023 | 1 | 11,850 | $310M |
| 2024 | 1 | 10,620 | $366M |
Nearby 401(k) Plans in Colorado
Peer 401(k) plans, same state, same plan type, ranked by total assets.
Alterra Mountain Company U.S. Inc. 401(k) Retirement Plan vs. nearby 401(k) plans in Colorado, assets vs. participants
- Davita Retirement Savings Plan $3.8B · 57,900
- Ball Corporation 401(k) and Employee Stock Ownership Plan $2.3B · 9,935
- Arcadis U.S., Inc. Retirement Savings Plan $2.3B · 7,607
- Empower Retirement, LLC 401(k) Savings Plan $2.2B · 10,185
- Woodward Retirement Savings Plan $2.0B · 6,210
Scale composition for Alterra Mountain Company U.S. Inc. 401(k) Retirement Plan
Alterra Mountain Company U.S. Inc. 401(k) Retirement Plan reports $366M in end-of-year assets across 10,620 participants (0.003% of the $12.3T held by all Form 5500 filers in the national rollup , and 0.011% of 93,925,755 covered participants) - about $34,448 per participant (25% of the national average assets-per-participant) . Net income for plan year 2024 was $55M.
This plan identity (EIN 911616891, plan #001) has 3 Form 5500 filings on file from 2022 to 2024 , with end-of-year assets moving from $240M to $366M (+52.3%) while covered participants moved from 12,118 to 10,620 . Single-year sparse filers cannot show that trail.
| Plan year | Participants | EOY assets | Filing |
|---|---|---|---|
| 2022 | 12,118 | $240M | Open filing |
| 2023 | 11,850 | $310M | Open filing |
| 2024 · index core | 10,620 | $366M | This page |
Similar-Sized 401(k) Plans Nationally
401(k) plans in other states closest to Alterra Mountain Company U.S. Inc. 401(k) Retirement Plan by total assets, not by location.
- Joyson Safety Systems 401(k) Plan (MI) $366M · 1,038
- Standard Motor Products, Inc. Profit Sharing 401(k) Capital Accumulation Plan (NY) $366M · 1,786
- The Kaplan, Inc. Tax Deferred Savings Plan for Salaried Employees (VA) $366M · 1,706
- Tenaris 401(k) Savings Plan (TX) $366M · 3,635
Frequently Asked Questions
How did Alterra Mountain Company U.S. Inc. 401(k) Retirement Plan assets move in 2024? ▼
How have Alterra Mountain Company plan assets changed over time? ▼
Where does Alterra Mountain Company U.S. Inc. 401(k) Retirement Plan rank by assets among Form 5500 filers? ▼
Which 401(k) plans are similar in size to Alterra Mountain Company U.S. Inc. 401(k) Retirement Plan? ▼
Next read for Alterra Mountain Company U.S. Inc. 401(k…
Filing takeaways
Ways to act on Alterra Mountain Company U.S. Inc. 401(k) Retirement Plan's numbers.
- By total assets, Alterra Mountain Company U.S. 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 Colorado. Compare plans
- Alterra Mountain Company's sponsor-wide assets have grown 52.3% since 2022 across 3 plan years on file. More Arts, Entertainment & Recreation plans