Defined Benefit (Pension) · DOL Form 5500 · 2023

Martin Marietta Materials, Inc. Pension Plan

Data updated 2026-08-25

$1.2B
Total assets Very large vs avg
8,546
Participants Very large workforce
99th
Percentile by assets National rank
$140,734
Avg per participant Near avg balance/head
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Official DOL plan name: Martin Marietta Pension Plan · Sponsored by Martin Marietta Materials, Inc. · North Carolina · Mining & Oil Extraction

$1.2B in assets, 8,546 participants

Martin Marietta Materials, Inc.'s Martin Marietta Pension Plan reported $1.2B in total assets and 8,546 participants in its 2023 DOL Form 5500 filing, ranking in the 99th 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.

  • #798 in Mining & Oil Extraction (811 peers)

Coverage in North Carolina

Martin Marietta Pension Plan covers 8,546 participants in North Carolina, 10x the typical North Carolina plan (state average ~819 per filing). Assets: $1.2B.

#798
in Mining & Oil Extraction (811 peers)
+10.2%
assets growth YoY
12×
vs typical plan assets (national mean)

Martin Marietta Pension Plan's outsized position by total assets

Martin Marietta Pension Plan vs every filed plan by assets

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

$1,202,713,000 Top 1% higher than 99% 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

Martin Marietta Pension Plan's large-plan peer group by participant headcount

Plan-year 2023 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Martin Marietta Pension Plan lands in the large band (8,546 participants).

What changed between DOL Form 5500 filings

plan year 2022 → plan year 2023

  • Martin Marietta Pension Plan reported net income rose from -$194M in the plan year 2022 filing to $111M in the plan year 2023 filing.
  • Martin Marietta Pension Plan end-of-year assets rose from $1.1B in the plan year 2022 filing to $1.2B in the plan year 2023 filing.
  • Martin Marietta Pension Plan reported participants rose from 8,414 in the plan year 2022 filing to 8,546 in the plan year 2023 filing.

See the national 2022→2023 release diff →

EBSA filing schedule strip

Filing strip 561848578 · Martin Marietta Materials, Inc. PY 2023 · Defined Benefit (Pension)

Martin Marietta Pension Plan · $1.2B · 8,546 · 99th

  • IND $1.2B
  • IND 8,546
  • IND 99th
  • IND Defined Benefit (Pension)
  • IND near Non-Contributory Retirement Program for Certain Empl of Bcbssc
  • IND ind #798

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 Pension Plan in the asset neighbourhood

Non-Contributory Retirement Program for Certain Empl of BcbsscNon-Contributory Retirement …$1.2BMartin Marietta Pension Plan$1.2BTransocean U.S. Retirement PlanTransocean U.S. Retirement P…$1.2BEighth District Electrical Pension FundEighth District Electrical P…$1.2BRetirement Plan for Draper EmployeesRetirement Plan for Draper E…$1.2B
End-of-year total assets ($B) among Martin Marietta Pension Plan and nearest nationwide Defined Benefit (Pension) peers. Source: DOL Form 5500 plan year 2023.

North Carolina filing particulars

Total Assets (Beginning of Year)$1.1B
Net Assets (End of Year)$1.2B
Net Income$111M
Employer EIN561848578
Plan Effective Date1966-04-01
Filing StatusFILING 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
$1.6B$1.8B$2B$2.2B$2.4B 202220232024 $1.8B $2.17B ▲ +20.6%
Year Plans Participants Total Assets
2022 2 16,651 $1.8B
2023 2 17,385 $2.0B
2024 2 17,471 $2.2B

Nearby Defined Benefit (Pension) Plans in North Carolina

Peer Defined Benefit (Pension) plans, same state, same plan type, ranked by total assets.

Martin Marietta Pension Plan vs. nearby Defined Benefit (Pension) plans in North Carolina, assets vs. participants Scatter plot of 6 data points. -1000001000020000300004000050000 05101520 Total assets ($B) Participants Martin Marietta Pension Plan, Total assets ($B): 1.202713 · Participants: 8546Martin Marietta Pension PlanHoneywell Retirement Earnings Plan, Total assets ($B): 16.613752395 · Participants: 11145Honeywell Retirement Earnings PlanTruist Financial Corporation Pension Plan, Total assets ($B): 14.582387965 · Participants: 45818Truist Financial Corporation Pension PlanDuke Energy Retirement Cash Balance Plan, Total assets ($B): 4.0264 · Participants: 14485Duke Energy Retirement Cash Balance PlanDuke Energy Legacy Pension Plan, Total assets ($B): 3.3721 · Participants: 371Duke Energy Legacy Pension PlanEmployees' Retirement Plan of Duke University, Total assets ($B): 2.616859519 · Participants: 21020Employees' Retirement Plan of Duke University
Martin Marietta Pension Plan vs. nearby Defined Benefit (Pension) plans in North Carolina, assets vs. participants
Compare Martin Marietta Pension Plan side-by-side with 3 peers →

Scale composition for Martin Marietta Pension Plan

Martin Marietta Pension Plan reports $1.2B in end-of-year assets across 8,546 participants (0.010% of the $12.3T held by all Form 5500 filers in the national rollup , and 0.009% of 93,925,755 covered participants) - about $140,734 per participant (1.0x the national average assets-per-participant) . Net income for plan year 2023 was $111M.

This plan identity (EIN 561848578, plan #002) has 3 Form 5500 filings on file from 2022 to 2024 , with end-of-year assets moving from $1.1B to $1.3B (+15.7%) while covered participants moved from 8,414 to 8,664 . Single-year sparse filers cannot show that trail.

Plan year Participants EOY assets Filing
2022 8,414 $1.1B Open filing
2023 8,546 $1.2B This page
2024 · index core 8,664 $1.3B Open filing

The same sponsor also keeps 2 other index-core plans on PlainRetire:

Martin Marietta Pension Plan's out-of-state Defined Benefit (Pension) peers by assets and headcount

Outside North Carolina, the nearest Defined Benefit (Pension) by assets is Non-Contributory Retirement Program for Certain Empl of Bcbssc in SC ($1.2B); by covered participants it is SEIU Affiliates Officers and Employees Pension Plan in DC (8,555 participants). Same-state nearby plans are listed separately above.

Closest by plan assets

Nearest other-state filings by tot_assets_eoy ($1.2B here).

Similar participant headcount

Nearest other-state filings by covered participants (8,546 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 Martin Marietta Pension Plan assets move in 2023? ▼
Martin Marietta Pension Plan grew at a solid clip - up 10.2% during 2023, from $1.1B to $1.2B. Reported net income was $111M.
How have Martin Marietta Materials, Inc. plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), Martin Marietta Materials, Inc.'s sponsor-wide assets grew 20.2%, from $1.8B to $2.2B.
Where does Martin Marietta Pension Plan rank by assets among Form 5500 filers? ▼
Martin Marietta Pension Plan ranks in the 99th percentile by end-of-year assets among 127,072 plans that reported assets for plan year 2023 (among the largest 1% of all filed plans).
Which Defined Benefit (Pension) plans are similar in size to Martin Marietta Pension Plan? ▼
Among Defined Benefit (Pension) plans in other states, the closest by assets is Non-Contributory Retirement Program for Certain Empl of Bcbssc in SC ($1.2B, 4,344 participants).
Which Defined Benefit (Pension) plans cover a similar participant headcount to Martin Marietta Pension Plan? ▼
Among Defined Benefit (Pension) plans in other states, the closest by covered participants is SEIU Affiliates Officers and Employees Pension Plan in DC (8,555 participants, $1.5B 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 561848578.

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.