401(k) · DOL Form 5500 · 2023

Horizon Therapeutics USA, Inc. 401(k) Plan

Data updated 2026-08-11

$295M
Total assets
1,798
Participants
96th
Percentile by assets
$163,802
Avg per participant
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Official DOL plan name: Horizon Therapeutics USA, Inc. 401(k) Plan · Sponsored by Horizon Therapeutics USA, Inc. · Illinois · Manufacturing

$295M in assets, 1,798 participants

Horizon Therapeutics USA, Inc.'s Horizon Therapeutics USA, Inc. 401(k) Plan reported $295M in total assets and 1,798 participants in its 2023 DOL Form 5500 filing, ranking in the 96th 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.

  • 96th percentile by assets (of 127,072 plans)
  • #17,552 in Manufacturing (18,722 peers)

Coverage in Illinois

Horizon Therapeutics USA, Inc. 401(k) Plan covers 1,798 participants in Illinois, 2.3x the typical Illinois plan (state average ~779 per filing). Assets: $295M.

$295M
total plan assets (2023 EOY)
1,798
covered participants
96th
percentile by assets (of 127,072 plans)
$163,802
avg assets per participant

What changed between DOL Form 5500 filings

plan year 2022 → plan year 2023

  • Horizon Therapeutics USA, Inc. 401(k) Plan reported net income rose from -$3M in the plan year 2022 filing to $80M in the plan year 2023 filing.
  • Horizon Therapeutics USA, Inc. 401(k) Plan end-of-year assets rose from $214M in the plan year 2022 filing to $295M in the plan year 2023 filing.
  • Horizon Therapeutics USA, Inc. 401(k) Plan reported participants rose from 1,688 in the plan year 2022 filing to 1,798 in the plan year 2023 filing.

See the national 2022→2023 release diff →

State
Industry

Participants vs Illinois filers

In Illinois, the average filing covers about 779 participants across 5,745 plans. Horizon Therapeutics USA, Inc. 401(k) Plan reports 1,798 participants - 2.3x that state average ($295M EOY assets).

Illinois filing particulars

Total Assets (Beginning of Year)$214M
Net Assets (End of Year)$295M
Net Income$80M
Employer EIN562523161
Plan Effective Date2010-09-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Horizon Therapeutics USA, Inc.)

$-100M$0M$100M$200M$300M$400M 202220232024 $214M $0M ▼ -100.0%
Total plan assets by year, all Horizon Therapeutics USA, Inc. plans on file
Year Plans Participants Total Assets
2022 1 1,688 $214M
2023 1 1,798 $295M
2024 1 1,877 N/A

Nearby 401(k) Plans in Illinois

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

Horizon Therapeutics USA, Inc. 401(k) Plan vs. nearby 401(k) plans in Illinois, assets vs. participants

Horizon Therapeutics USA, Inc. 401(k) Plan vs. nearby 401(k) plans in Illinois, assets vs. participants Scatter plot of 6 data points. -1000000100000200000300000 -505101520 Total assets ($B) Participants Horizon Therapeutics…Accenture United Sta…State Farm 401(k) Sa…Abbott Laboratories …United Airlines Pilo…Walgreens Retirement…
Horizon Therapeutics USA, Inc. 401(k) Plan vs. nearby 401(k) plans in Illinois, assets vs. participants

Similar-Sized 401(k) Plans Nationally

401(k) plans in other states closest to Horizon Therapeutics USA, Inc. 401(k) Plan by total assets, not by location.

Frequently Asked Questions

How did Horizon Therapeutics USA, Inc. 401(k) Plan assets move in 2023?
Horizon Therapeutics USA, Inc. 401(k) Plan surged - up 37.6% during 2023, from $214M to $295M. Reported net income was $80M.
Where does Horizon Therapeutics USA, Inc. 401(k) Plan rank by assets among Form 5500 filers?
Horizon Therapeutics USA, Inc. 401(k) Plan ranks in the 96th percentile by end-of-year assets among 127,072 plans that reported assets for plan year 2023 (in the top 5% of all filed plans by assets).
Which 401(k) plans are similar in size to Horizon Therapeutics USA, Inc. 401(k) Plan?
Among 401(k) plans in other states, the closest by assets is Clearwater Paper 401(k) Plan in WA ($294M, 1,786 participants).

Next read for Horizon Therapeutics USA, Inc. 401(k) Pl…

Filing takeaways

Ways to act on Horizon Therapeutics USA, Inc. 401(k) Plan's numbers.

  • By total assets, Horizon Therapeutics USA, Inc. 401(k) Plan ranks in the top 5% of all filed plans by assets. See the largest plans
  • Compare it side-by-side against 3 similar 401(k) plans in Illinois. Compare plans