401(k) · DOL Form 5500 · 2023

Momentus Inc. 401(k) Plan

Data updated 2026-08-25

$4M
Total assets Small plan by assets
124
Participants Small participant base
39th
Percentile by assets National rank
$29,482
Avg per participant Low balance/head
PlainRetire home → About this data RSS: change history

Official DOL plan name: Momentus 401(k) Plan · Sponsored by Momentus Inc. · California · Manufacturing

$4M in assets, 124 participants

Momentus Inc.'s Momentus 401(k) Plan reported $4M in total assets and 124 participants in its 2023 DOL Form 5500 filing, ranking in the 39th 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.

  • #4,111 in Manufacturing (18,722 peers)

Coverage in California

Momentus 401(k) Plan covers 124 participants in California, about 20% of the average California filer (state average ~630 per filing). Assets: $4M.

#4,111
in Manufacturing (18,722 peers)
+30.2%
assets growth YoY

Momentus 401(k) Plan's mid-pack asset rank among Manufacturing and all filers

Momentus 401(k) Plan vs every filed plan by assets

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

$3,655,780 39th percentile higher than 39% 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

Momentus 401(k) Plan among mid-size filed plans by headcount

Plan-year 2023 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Momentus 401(k) Plan sits mid-pack in the medium band (124 participants).

What changed between DOL Form 5500 filings

plan year 2022 → plan year 2023

  • Momentus 401(k) Plan reported net income rose from $440K in the plan year 2022 filing to $848K in the plan year 2023 filing.
  • Momentus 401(k) Plan end-of-year assets rose from $3M in the plan year 2022 filing to $4M in the plan year 2023 filing.

See the national 2022→2023 release diff →

Published 5500 schedule card

Filing strip 823171260 · Momentus Inc. PY 2023 · 401(k)

Momentus 401(k) Plan · $4M · 124 · 39th

  • SCH $4M
  • SCH 124
  • SCH 39th
  • SCH 401(k)
  • SCH near Pmg Retirement Savings Plan
  • SCH ind #4111

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 Manufacturing retirement plans → · Plans in California →

Momentus 401(k) Plan in the asset neighbourhood

Momentus 401(k) Plan$4MPmg Retirement Savings Plan$4MRatliff Ag 401(k)$4MMillard Holdings 401(k) Plan$4MThrifty Iron Works, Inc. 401(k) Profit Sharing PlanThrifty Iron Works, Inc. 401…$4M
End-of-year total assets ($M) among Momentus 401(k) Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2023.

California filing particulars

Total Assets (Beginning of Year)$3M
Net Assets (End of Year)$4M
Net Income$848K
Employer EIN823171260
Plan Effective Date2020-01-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Momentus Inc.)

Sponsor-wide plan assets over time

All Momentus Inc. plans reported in each filing year

Latest sponsor-wide plan assets
$3M 4.935071409875413% vs 2022
2024 filing year
$2.5M$3M$3.5M$4M 202220232024 $2.81M $2.95M ▲ +5.0%
Year Plans Participants Total Assets
2022 1 124 $3M
2023 1 124 $4M
2024 1 60 $3M

Nearby 401(k) Plans in California

Peer 401(k) plans, same state, same plan type, ranked by total assets.

Momentus 401(k) Plan vs. nearby 401(k) plans in California, assets vs. participants Scatter plot of 6 data points. -50000050000100000150000200000250000 -200204060 Total assets ($B) Participants Momentus 401(k) Plan, Total assets ($B): 0.00365578 · Participants: 124Momentus 401(k) PlanWells Fargo & Company 401(k) Plan, Total assets ($B): 51.831350351 · Participants: 193919Wells Fargo & Company 401(k) PlanGoogle LLC 401(k) Savings Plan, Total assets ($B): 39.047152408 · Participants: 122867Google LLC 401(k) Savings PlanOracle Corporation 401(k) Savings and Investment Plan, Total assets ($B): 26.320437734 · Participants: 63105Oracle Corporation 401(k) Savings and Investment PlanIntel 401(k) Savings Plan, Total assets ($B): 22.17918189 · Participants: 59863Intel 401(k) Savings PlanApple 401(k) Plan, Total assets ($B): 19.779511539 · Participants: 106111Apple 401(k) Plan
Momentus 401(k) Plan vs. nearby 401(k) plans in California, assets vs. participants
Compare Momentus 401(k) Plan side-by-side with 3 peers →

Momentus 401(k) Plan's out-of-state 401(k) peers by assets and headcount

Outside California, the nearest 401(k) by assets is Pmg Retirement Savings Plan in TX ($4M); by covered participants it is F.L. Chamberlain School Retirement Plan in MA (124 participants). Same-state nearby plans are listed separately above.

Closest by plan assets

Nearest other-state filings by tot_assets_eoy ($4M here).

Similar participant headcount

Nearest other-state filings by covered participants (124 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 Momentus 401(k) Plan assets move in 2023? ▼
Momentus 401(k) Plan surged - up 30.2% during 2023, from $3M to $4M. Reported net income was $848K.
How have Momentus Inc. plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), Momentus Inc.'s sponsor-wide assets grew 4.9%, from $3M to $3M.
Which 401(k) plans are similar in size to Momentus 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by assets is Pmg Retirement Savings Plan in TX ($4M, 322 participants).
Which 401(k) plans cover a similar participant headcount to Momentus 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by covered participants is F.L. Chamberlain School Retirement Plan in MA (124 participants, $1M 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 823171260.

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.