401(k) · DOL Form 5500 · 2022
Martin Marietta Materials, Inc. 401(k) Plan
Data updated 2026-08-25
- $711M
- Total assets Above avg plan size
- 8,237
- Participants Very large workforce
- 98th
- Percentile by assets National rank
- $86,344
- Avg per participant Below avg balance/head
Official DOL plan name: Martin Marietta Savings and Investment Plan · Sponsored by Martin Marietta Materials, Inc. · North Carolina · Mining & Oil Extraction
$711M in assets, 8,237 participants
Martin Marietta Materials, Inc.'s Martin Marietta Savings and Investment Plan reported $711M in total assets and 8,237 participants in its 2022 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.
- #870 in Mining & Oil Extraction (892 peers)
Coverage in North Carolina
Martin Marietta Savings and Investment Plan covers 8,237 participants in North Carolina, 10x the typical North Carolina plan (state average ~819 per filing). Assets: $711M.
- #870
- in Mining & Oil Extraction (892 peers)
- -14.6%
- assets change YoY
- 7.1×
- vs typical plan assets (national mean)
The plan reported a net loss of $161M for the year, a single-year figure driven by markets and benefit payments, not a measure of plan health.
Martin Marietta Savings and Investment Plan's outsized position by total assets
Martin Marietta Savings and Investment Plan vs every filed plan by assets
End-of-year total assets · plan year 2022 · DOL Form 5500
$711,218,105 Top 2% higher than 98% of 139,123 filed plans
Dashed line + filled bar = this entry, among filed plans.
Source U.S. Department of Labor Form 5500 filings (EBSA) · plan year 2022
Martin Marietta Savings and Investment Plan's large-plan peer group by participant headcount
Plan-year 2022 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Martin Marietta Savings and Investment Plan lands in the large band (8,237 participants).
Form 5500 schedule snapshot
Filing strip 561848578 · Martin Marietta Materials, Inc. PY 2022 · 401(k)
Martin Marietta Savings and Investment Plan · $711M · 8,237 · 98th
- VS-ST $711M
- VS-ST 8,237
- VS-ST 98th
- VS-ST 401(k)
- VS-ST near Fastenal Company & Subsidiaries 401(k) and Employee Stock Ownership Plan
- VS-ST ind #870
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 Mining & Oil Extraction retirement plans → · Plans in North Carolina →
Martin Marietta Savings and Investment Plan in the asset neighbourhood
North Carolina filing particulars
| Total Assets (Beginning of Year) | $833M |
|---|---|
| Net Assets (End of Year) | $711M |
| Net Income | -$161M |
| Employer EIN | 561848578 |
| Plan Effective Date | 1996-10-18 |
| Filing Status | FILING RECEIVED |
Sponsor Plan History (Martin Marietta Materials, Inc.)
Sponsor-wide plan assets over time
All Martin Marietta Materials, Inc. plans reported in each filing year
- Latest sponsor-wide plan assets
- $2.2B 20.16852587311399% vs 2022
- 2024 filing year
| Year | Plans | Participants | Total Assets |
|---|---|---|---|
| 2022 | 2 | 16,651 | $1.8B |
| 2023 | 2 | 17,385 | $2.0B |
| 2024 | 2 | 17,471 | $2.2B |
Nearby 401(k) Plans in North Carolina
Peer 401(k) plans, same state, same plan type, ranked by total assets.
- The Bank of America 401(k) Plan $47.1B · 169,036
- Honeywell 401(k) Plan $14.6B · 39,007
- Duke Energy Retirement Savings Plan $9.4B · 27,731
- Truist Financial Corporation 401(k) Savings Plan $9.0B · 51,871
- Lowes 401(k) Plan $7.4B · 284,864
Scale composition for Martin Marietta Savings and Investment Plan
Martin Marietta Savings and Investment Plan reports $711M in end-of-year assets across 8,237 participants (0.006% of the $12.3T held by all Form 5500 filers in the national rollup , and 0.009% of 93,925,755 covered participants) - about $86,344 per participant (62% of the national average assets-per-participant) . Net income for plan year 2022 was -$161M.
This plan identity (EIN 561848578, plan #006) has 3 Form 5500 filings on file from 2022 to 2024 , with end-of-year assets moving from $711M to $903M (+27.0%) while covered participants moved from 8,237 to 8,807 . Single-year sparse filers cannot show that trail.
| Plan year | Participants | EOY assets | Filing |
|---|---|---|---|
| 2022 | 8,237 | $711M | This page |
| 2023 | 8,839 | $838M | Open filing |
| 2024 · index core | 8,807 | $903M | Open filing |
The same sponsor also keeps 2 other index-core plans on PlainRetire:
- Martin Marietta Pension Plan (Defined Benefit (Pension), $1.3B, 8,664 participants)
- Martin Marietta Savings and Investment Plan (401(k), $903M, 8,807 participants)
Martin Marietta Savings and Investment Plan's out-of-state 401(k) peers by assets and headcount
Outside North Carolina, the nearest 401(k) by assets is Fastenal Company & Subsidiaries 401(k) and Employee Stock Ownership Plan in MN ($711M); by covered participants it is Deaconess Health System, Inc. 401(k) Plan in IN (8,233 participants). Same-state nearby plans are listed separately above.
Closest by plan assets
Nearest other-state filings by tot_assets_eoy ($711M here).
- Fastenal Company & Subsidiaries 401(k) and Employee Stock Ownership Plan (MN) $711M · 15,900
- Mayo Retirement Savings Plan (MN) $711M · 4,637
- Mary Kay Inc. Profit Sharing and 401(k) Plan (TX) $713M · 1,843
- Mosaic Investment Plan (FL) $709M · 1,937
Similar participant headcount
Nearest other-state filings by covered participants (8,237 participants); asset peers above are excluded.
- Deaconess Health System, Inc. 401(k) Plan (IN) 8,233 · 4 off
- News Corp 401(k) Savings Plan (NY) 8,230 · 7 off
- Health First Retirement Savings Plan (FL) 8,245 · 8 off
- Rpm International Inc. 401(k) Trust and Plan (OH) 8,227 · 10 off
DOL Form 5500 plan year 2022. Asset totals can differ widely at the same headcount; neither axis is a quality rating.