401(k) · DOL Form 5500 · 2023

Mannkind Corporation 401(k) Plan

Data updated 2026-08-25

$64M
Total assets Below avg plan size
395
Participants Below avg headcount
88th
Percentile by assets National rank
$161,564
Avg per participant Above avg balance/head
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Official DOL plan name: Mannkind Corporation 401(k) Plan · Sponsored by Mannkind Corporation · California · Professional & Technical Services

$64M in assets, 395 participants

Mannkind Corporation's Mannkind Corporation 401(k) Plan reported $64M in total assets and 395 participants in its 2023 DOL Form 5500 filing, ranking in the 88th 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.

  • #18,108 in Professional & Technical Services (20,321 peers)

Where Mannkind Corporation 401(k) Plan sits by assets

Mannkind Corporation 401(k) Plan sits in the top quartile of all filed plans by assets, $64M for 395 participants (~$161,564/participant), up 16.0% in 2023.

#18,108
in Professional & Technical Services (20,321 peers)
+16.0%
assets growth YoY
0.6×
vs typical plan assets (national mean)

Mannkind Corporation 401(k) Plan's outsized position by total assets

Mannkind Corporation 401(k) Plan vs every filed plan by assets

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

$63,817,645 Top 12% higher than 88% 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

Mannkind Corporation 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. Mannkind Corporation 401(k) Plan sits mid-pack in the medium band (395 participants).

What changed between DOL Form 5500 filings

plan year 2022 → plan year 2023

  • Mannkind Corporation 401(k) Plan reported net income rose from -$8M in the plan year 2022 filing to $9M in the plan year 2023 filing.
  • Mannkind Corporation 401(k) Plan end-of-year assets rose from $55M in the plan year 2022 filing to $64M in the plan year 2023 filing.
  • Mannkind Corporation 401(k) Plan reported participants rose from 349 in the plan year 2022 filing to 395 in the plan year 2023 filing.

See the national 2022→2023 release diff →

DOL schedule card

Filing strip 133607736 · Mannkind Corporation PY 2023 · 401(k)

Mannkind Corporation 401(k) Plan · $64M · 395 · 88th

  • TYPE $64M
  • NET 395
  • BOOK 88th
  • VS-ST 401(k)
  • BOY near Avon Rubber and Plastics, Inc. Employees Retirement Plan
  • SCH ind #18108

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 California →

Mannkind Corporation 401(k) Plan in the asset neighbourhood

Mannkind Corporation 401(k) PlanMannkind Corporation 401(k) …$64MAvon Rubber and Plastics, Inc. Employees Retirement PlanAvon Rubber and Plastics, In…$64MSymbotic LLC 401(k) Plan$64MMidland Cogeneration Venture Limited Partnership 401(k) Savings PlanMidland Cogeneration Venture…$64MSouthern Maryland Electric Cooperative, Inc.Southern Maryland Electric C…$64M
End-of-year total assets ($M) among Mannkind Corporation 401(k) Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2023.

Scale-class filing particulars (2023)

Total Assets (Beginning of Year)$55M
Net Assets (End of Year)$64M
Net Income$9M
Employer EIN133607736
Plan Effective Date2002-01-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Mannkind Corporation)

Sponsor-wide plan assets over time

All Mannkind Corporation plans reported in each filing year

Latest sponsor-wide plan assets
$73M 33.23456128174478% vs 2022
2024 filing year
$50M$60M$70M$80M 202220232024 $55M $73.3M ▲ +33.2%
Year Plans Participants Total Assets
2022 1 349 $55M
2023 1 395 $64M
2024 1 416 $73M

Nearby 401(k) Plans in California

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

Mannkind Corporation 401(k) Plan vs. nearby 401(k) plans in California, assets vs. participants Scatter plot of 6 data points. -50000050000100000150000200000250000 -200204060 Total assets ($B) Participants Mannkind Corporation 401(k) Plan, Total assets ($B): 0.063817645 · Participants: 395Mannkind Corporation 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
Mannkind Corporation 401(k) Plan vs. nearby 401(k) plans in California, assets vs. participants
Compare Mannkind Corporation 401(k) Plan side-by-side with 3 peers →

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

Outside California, the nearest 401(k) by assets is Avon Rubber and Plastics, Inc. Employees Retirement Plan in MI ($64M); by covered participants it is Employ, Inc. 401(k) Plan in IN (395 participants). Same-state nearby plans are listed separately above.

Similar participant headcount

Nearest other-state filings by covered participants (395 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 Mannkind Corporation 401(k) Plan assets move in 2023? ▼
Mannkind Corporation 401(k) Plan grew sharply - up 16.0% during 2023, from $55M to $64M. Reported net income was $9M.
How have Mannkind Corporation plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), Mannkind Corporation's sponsor-wide assets grew 33.2%, from $55M to $73M.
Where does Mannkind Corporation 401(k) Plan rank by assets among Form 5500 filers? ▼
Mannkind Corporation 401(k) Plan ranks in the 88th percentile by end-of-year assets among 127,072 plans that reported assets for plan year 2023 (in the top quartile of all filed plans by assets).
Which 401(k) plans are similar in size to Mannkind Corporation 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by assets is Avon Rubber and Plastics, Inc. Employees Retirement Plan in MI ($64M, 567 participants).
Which 401(k) plans cover a similar participant headcount to Mannkind Corporation 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by covered participants is Employ, Inc. 401(k) Plan in IN (395 participants, $30M 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 133607736.

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.