401(k) · DOL Form 5500 · 2022
Mantech International Corporation 401(k) Plan
Data updated 2026-08-25
- $1.3B
- Total assets Very large vs avg
- 10,057
- Participants Very large workforce
- 99th
- Percentile by assets National rank
- $125,478
- Avg per participant Near avg balance/head
Official DOL plan name: Mantech International 401(k) Plan · Sponsored by Mantech International Corporation · Virginia · Professional & Technical Services
$1.3B in assets, 10,057 participants
Mantech International Corporation's Mantech International 401(k) Plan reported $1.3B in total assets and 10,057 participants in its 2022 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.
- #21,444 in Professional & Technical Services (21,562 peers)
Coverage in Virginia
Mantech International 401(k) Plan covers 10,057 participants in Virginia, 13x the typical Virginia plan (state average ~782 per filing). Assets: $1.3B.
- #21,444
- in Professional & Technical Services (21,562 peers)
- -13.5%
- assets change YoY
- 13×
- vs typical plan assets (national mean)
The plan reported a net loss of $304M for the year, a single-year figure driven by markets and benefit payments, not a measure of plan health.
Mantech International 401(k) Plan's outsized position by total assets
Mantech International 401(k) Plan vs every filed plan by assets
End-of-year total assets · plan year 2022 · DOL Form 5500
$1,261,928,697 Top 1% higher than 99% 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
Mantech International 401(k) Plan's mega-plan peer group by participant headcount
Plan-year 2022 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Mantech International 401(k) Plan is a mega filing (10,057 participants), the rightmost band on the breakdown.
Published 5500 schedule card
Filing strip 221852179 · Mantech International Corporation PY 2022 · 401(k)
Mantech International 401(k) Plan · $1.3B · 10,057 · 99th
- PCT $1.3B
- EIN 10,057
- RANK 99th
- PHOTO 401(k)
- IND near Global Medical Response, Inc. 401(k) Plan
- EOY ind #21444
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 Professional & Technical Services retirement plans → · Plans in Virginia →
Mantech International 401(k) Plan in the asset neighbourhood
Virginia filing particulars
| Total Assets (Beginning of Year) | $1.5B |
|---|---|
| Net Assets (End of Year) | $1.3B |
| Net Income | -$304M |
| Employer EIN | 221852179 |
| Plan Effective Date | 1978-06-01 |
| Filing Status | FILING RECEIVED |
Sponsor Plan History (Mantech International Corporation)
Sponsor-wide plan assets over time
All Mantech International Corporation plans reported in each filing year
- Latest sponsor-wide plan assets
- $1.7B 34.57764958622625% vs 2022
- 2024 filing year
| Year | Plans | Participants | Total Assets |
|---|---|---|---|
| 2022 | 2 | 12,937 | $1.3B |
| 2023 | 2 | 9,464 | $1.5B |
| 2024 | 1 | 9,017 | $1.7B |
Nearby 401(k) Plans in Virginia
Peer 401(k) plans, same state, same plan type, ranked by total assets.
- Northrop Grumman Savings Plan $32.6B · 92,420
- 401(k) Pension Plan $13.0B · 61,481
- General Dynamics Corporation 401(k) Plan 6.0 $9.6B · 36,822
- Leidos, Inc. Retirement Plan $8.7B · 26,125
- Bae Systems Employees' Savings and Investment Plan $8.2B · 31,556
Scale composition for Mantech International 401(k) Plan
Mantech International 401(k) Plan reports $1.3B in end-of-year assets across 10,057 participants (0.010% of the $12.3T held by all Form 5500 filers in the national rollup , and 0.011% of 93,925,755 covered participants) - about $125,478 per participant (91% of the national average assets-per-participant) . Net income for plan year 2022 was -$304M.
This plan identity (EIN 221852179, plan #002) has 3 Form 5500 filings on file from 2022 to 2024 , with end-of-year assets moving from $1.3B to $1.7B (+35.1%) while covered participants moved from 10,057 to 9,017 . Single-year sparse filers cannot show that trail.
| Plan year | Participants | EOY assets | Filing |
|---|---|---|---|
| 2022 | 10,057 | $1.3B | This page |
| 2023 | 9,454 | $1.5B | Open filing |
| 2024 · index core | 9,017 | $1.7B | Open filing |
The same sponsor also keeps 1 other index-core plan on PlainRetire:
- Mantech International 401(k) Plan (401(k), $1.7B, 9,017 participants)
Mantech International 401(k) Plan's out-of-state 401(k) peers by assets and headcount
Outside Virginia, the nearest 401(k) by assets is Global Medical Response, Inc. 401(k) Plan in CO ($1.3B); by covered participants it is East Penn Manufacturing Co. 401(k) Savings Plan in PA (10,062 participants). Same-state nearby plans are listed separately above.
Closest by plan assets
Nearest other-state filings by tot_assets_eoy ($1.3B here).
- Global Medical Response, Inc. 401(k) Plan (CO) $1.3B · 34,386
- Swiss Re Group U.S. Employees' Savings Plan (NY) $1.3B · 2,493
- Kbrwyle Technology 401(k) Plan (TX) $1.3B · 10,695
- The Lubrizol Corporation Employees' Profit Sharing and Savings Plan (OH) $1.3B · 4,387
Similar participant headcount
Nearest other-state filings by covered participants (10,057 participants); asset peers above are excluded.
- East Penn Manufacturing Co. 401(k) Savings Plan (PA) 10,062 · 5 off
- The Hershey Company 401(k) Plan (PA) 10,065 · 8 off
- Barclays 401(k) Plan (NY) 10,071 · 14 off
- Usic 401(k) Savings Plan (IN) 10,036 · 21 off
DOL Form 5500 plan year 2022. Asset totals can differ widely at the same headcount; neither axis is a quality rating.