401(k) · DOL Form 5500 · 2022

Seagen Inc. 401(k) Plan

Data updated 2026-08-11

$390M
Total assets
2,404
Participants
97th
Percentile by assets
$162,367
Avg per participant
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Official DOL plan name: Seagen Inc. 401(k) Plan · Sponsored by Seagen Inc. · Washington · Professional & Technical Services

$390M in assets, 2,404 participants

Seagen Inc.'s Seagen Inc. 401(k) Plan reported $390M in total assets and 2,404 participants in its 2022 DOL Form 5500 filing, ranking in the 97th 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.

  • 97th percentile by assets (of 139,126 plans)
  • #21,174 in Professional & Technical Services (21,562 peers)

Where Seagen Inc. 401(k) Plan sits by assets

Seagen Inc. 401(k) Plan sits in the top 5% of all filed plans by assets, $390M for 2,404 participants (~$162,367/participant), down 3.1% in 2022.

$390M
total plan assets (2022 EOY)
2,404
covered participants
97th
percentile by assets (of 139,126 plans)
$162,367
avg assets per participant

The plan reported a net loss of $13M for the year, a single-year figure driven by markets and benefit payments, not a measure of plan health.

Seagen Inc. 401(k) Plan vs the 2022 asset distribution

By assets, Seagen Inc. 401(k) Plan outranks 97% of the 139,126 plans that filed a Form 5500 for the 2022 plan year, and holds roughly 3.9x the national average plan size of $100M (721 average participants).

Scale-class filing particulars (2022)

Total Assets (Beginning of Year)$403M
Net Assets (End of Year)$390M
Net Income-$13M
Employer EIN911874389
Plan Effective Date1998-01-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Seagen Inc.)

$300M$400M$500M$600M 20222023 $390M $560M ▲ +43.5%
Total plan assets by year, all Seagen Inc. plans on file
Year Plans Participants Total Assets
2022 1 2,404 $390M
2023 2 6,198 $560M

Nearby 401(k) Plans in Washington

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

Seagen Inc. 401(k) Plan vs. nearby 401(k) plans in Washington, assets vs. participants

Seagen Inc. 401(k) Plan vs. nearby 401(k) plans in Washington, assets vs. participants Scatter plot of 6 data points. -500000050000010000001500000 -20020406080 Total assets ($B) Participants Seagen Inc. 401(k) P…The Boeing Company 4…Microsoft Corporatio…Costco 401(k) Retire…Amazon 401(k) PlanT-Mobile USA, Inc. 4…
Seagen Inc. 401(k) Plan vs. nearby 401(k) plans in Washington, assets vs. participants

Similar-Sized 401(k) Plans Nationally

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

Frequently Asked Questions

How did Seagen Inc. 401(k) Plan assets move in 2022?
Seagen Inc. 401(k) Plan edged down modestly - down 3.1% during 2022, from $403M to $390M. Reported net income was -$13M.
How have Seagen Inc. plan assets changed over time?
Across 2 plan years on file (2022-2023), Seagen Inc.'s sponsor-wide assets grew 43.5%, from $390M to $560M.
Where does Seagen Inc. 401(k) Plan rank by assets among Form 5500 filers?
Seagen Inc. 401(k) Plan ranks in the 97th percentile by end-of-year assets among 139,126 plans that reported assets for plan year 2022 (in the top 5% of all filed plans by assets).
Which 401(k) plans are similar in size to Seagen Inc. 401(k) Plan?
Among 401(k) plans in other states, the closest by assets is Corning Inv Plan Unionized Employees in NY ($391M, 3,938 participants).

Scale reading

Ways to act on Seagen Inc. 401(k) Plan's numbers.