401(k) · DOL Form 5500 · 2023

Argenx US Inc. 401(k) Plan

Data updated 2026-08-25

$37M
Total assets Below avg plan size
347
Participants Below avg headcount
82nd
Percentile by assets National rank
$105,798
Avg per participant Below avg balance/head
PlainRetire home → About this data RSS: change history

Official DOL plan name: Argenx US Inc. 401(k) Profit Sharing Plan · Sponsored by Argenx US Inc. · Massachusetts · Professional & Technical Services

$37M in assets, 347 participants

Argenx US Inc.'s Argenx US Inc. 401(k) Profit Sharing Plan reported $37M in total assets and 347 participants in its 2023 DOL Form 5500 filing, ranking in the 82nd 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.

  • #16,806 in Professional & Technical Services (20,321 peers)

Where Argenx US Inc. 401(k) Profit Sharing Plan sits by assets

Argenx US Inc. 401(k) Profit Sharing Plan sits in the top quartile of all filed plans by assets, $37M for 347 participants (~$105,798/participant), up 94.8% in 2023.

#16,806
in Professional & Technical Services (20,321 peers)
+94.8%
assets growth YoY
0.4×
vs typical plan assets (national mean)

Argenx US Inc. 401(k) Profit Sharing Plan's outsized position by total assets

Argenx US Inc. 401(k) Profit Sharing Plan vs every filed plan by assets

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

$36,712,024 Top 18% higher than 82% 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

Argenx US Inc. 401(k) Profit Sharing 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. Argenx US Inc. 401(k) Profit Sharing Plan sits mid-pack in the medium band (347 participants).

What changed between DOL Form 5500 filings

plan year 2022 → plan year 2023

  • Argenx US Inc. 401(k) Profit Sharing Plan reported net income rose from $7M in the plan year 2022 filing to $18M in the plan year 2023 filing.
  • Argenx US Inc. 401(k) Profit Sharing Plan end-of-year assets rose from $19M in the plan year 2022 filing to $37M in the plan year 2023 filing.
  • Argenx US Inc. 401(k) Profit Sharing Plan reported participants rose from 287 in the plan year 2022 filing to 347 in the plan year 2023 filing.

See the national 2022→2023 release diff →

DOL schedule card

Filing strip 364880497 · Argenx US Inc. PY 2023 · 401(k)

Argenx US Inc. 401(k) Profit Sharing Plan · $37M · 347 · 82nd

  • BOOK $37M
  • BOOK 347
  • BOOK 82nd
  • BOOK 401(k)
  • BOOK near Sunnova Energy Corporation 401(k) Plan & Trust
  • BOOK ind #16806

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 Massachusetts →

Argenx US Inc. 401(k) Profit Sharing Plan in the asset neighbourhood

Retinovitreous Associates Ltd. 401(k) Profit Sharing PlanRetinovitreous Associates Lt…$37MArgenx US Inc. 401(k) Profit Sharing PlanArgenx US Inc. 401(k) Profit…$37MSunnova Energy Corporation 401(k) Plan & TrustSunnova Energy Corporation 4…$37MFolience 401(k) Savings Plan$37MBernatello's Pizza, Inc. 401(k) Profit Sharing Plan & TrustBernatello's Pizza, Inc. 401…$37M
End-of-year total assets ($M) among Argenx US Inc. 401(k) Profit Sharing Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2023.

Scale-class filing particulars (2023)

Total Assets (Beginning of Year)$19M
Net Assets (End of Year)$37M
Net Income$18M
Employer EIN364880497
Plan Effective Date2018-01-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Argenx US Inc.)

Sponsor-wide plan assets over time

All Argenx US Inc. plans reported in each filing year

Latest sponsor-wide plan assets
$67M 256.30490339019406% vs 2022
2024 filing year
$0M$20M$40M$60M$80M 202220232024 $18.9M $67.2M ▲ +256.3%
Year Plans Participants Total Assets
2022 1 287 $19M
2023 2 388 $40M
2024 1 459 $67M

Nearby 401(k) Plans in Massachusetts

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

Argenx US Inc. 401(k) Profit Sharing Plan vs. nearby 401(k) plans in Massachusetts, assets vs. participants Scatter plot of 6 data points. -20000020000400006000080000 -10010203040 Total assets ($B) Participants Argenx US Inc. 401(k) Profit Sharing Plan, Total assets ($B): 0.036712024 · Participants: 347Argenx US Inc. 401(k) Profit Sharing PlanFidelity Retirement Savings Plan, Total assets ($B): 28.649852331 · Participants: 62289Fidelity Retirement Savings PlanLiberty Mutual 401(k) Plan, Total assets ($B): 10.556596852 · Participants: 37052Liberty Mutual 401(k) PlanMassachusetts Institute of Technology Supplemental 401(k) Plan, Total assets ($B): 6.829912863 · Participants: 14094Massachusetts Institute of Technology Supplemental 401(k) PlanBoston Scientific Corporation 401(k) Retirement Savings Plan, Total assets ($B): 5.786107181 · Participants: 19881Boston Scientific Corporation 401(k) Retirement Savings PlanPhilips North America 401(k) Plan, Total assets ($B): 5.779286156 · Participants: 19120Philips North America 401(k) Plan
Argenx US Inc. 401(k) Profit Sharing Plan vs. nearby 401(k) plans in Massachusetts, assets vs. participants
Compare Argenx US Inc. 401(k) Profit Sharing Plan side-by-side with 3 peers →

Argenx US Inc. 401(k) Profit Sharing Plan's out-of-state 401(k) peers by assets and headcount

Outside Massachusetts, the nearest 401(k) by assets is Sunnova Energy Corporation 401(k) Plan & Trust in TX ($37M); by covered participants it is Rug Doctor, LLC 401(k) Retirement Plan in TX (347 participants). Same-state nearby plans are listed separately above.

Similar participant headcount

Nearest other-state filings by covered participants (347 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 Argenx US Inc. 401(k) Profit Sharing Plan assets move in 2023? ▼
Argenx US Inc. 401(k) Profit Sharing Plan surged - up 94.8% during 2023, from $19M to $37M. Reported net income was $18M.
How have Argenx US Inc. plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), Argenx US Inc.'s sponsor-wide assets grew 256.3%, from $19M to $67M.
Where does Argenx US Inc. 401(k) Profit Sharing Plan rank by assets among Form 5500 filers? ▼
Argenx US Inc. 401(k) Profit Sharing Plan ranks in the 82nd 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 Argenx US Inc. 401(k) Profit Sharing Plan? ▼
Among 401(k) plans in other states, the closest by assets is Sunnova Energy Corporation 401(k) Plan & Trust in TX ($37M, 1,089 participants).
Which 401(k) plans cover a similar participant headcount to Argenx US Inc. 401(k) Profit Sharing Plan? ▼
Among 401(k) plans in other states, the closest by covered participants is Rug Doctor, LLC 401(k) Retirement Plan in TX (347 participants, $16M 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 364880497.

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.