401(k) · DOL Form 5500 · 2023
Seagen Inc. 401(k) Plan
Data updated 2026-08-25
- N/A
- Total assets —
- 3,297
- Participants Above avg headcount
Official DOL plan name: Seagen Inc. 401(k) Plan · Sponsored by Seagen Inc. · Washington · Professional & Technical Services
N/A in assets, 3,297 participants
Seagen Inc.'s Seagen Inc. 401(k) Plan reported N/A in total assets and 3,297 participants in its 2023 DOL Form 5500 filing. Figures are as reported by the plan sponsor to the Department of Labor, not audited or endorsed by PlainRetire.
Coverage in Washington
Seagen Inc. 401(k) Plan covers 3,297 participants in Washington, 2.2x the typical Washington plan (state average ~1,476 per filing). Assets: N/A.
- $5M
- reported net income
Seagen Inc. 401(k) Plan's large-plan peer group by participant headcount
Plan-year 2023 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Seagen Inc. 401(k) Plan lands in the large band (3,297 participants).
What changed between DOL Form 5500 filings
plan year 2022 → plan year 2023
- Seagen Inc. 401(k) Plan reported net income rose from -$13M in the plan year 2022 filing to $5M in the plan year 2023 filing.
- Seagen Inc. 401(k) Plan reported participants rose from 2,404 in the plan year 2022 filing to 3,297 in the plan year 2023 filing.
EBSA filing schedule strip
Filing strip 911874389 · Seagen Inc. PY 2023 · 401(k)
Seagen Inc. 401(k) Plan · N/A · 3,297
- 5500 N/A
- 5500 3,297
- 5500 PY 2023
- 5500 401(k)
- 5500 near Lrs Healthcare 401(k) Plan
- 5500 2.2× state
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 Washington →
Washington filing particulars
| Total Assets (Beginning of Year) | $560M |
|---|---|
| Net Assets (End of Year) | N/A |
| Net Income | $5M |
| Employer EIN | 911874389 |
| Plan Effective Date | 1998-01-01 |
| Filing Status | FILING RECEIVED |
Sponsor Plan History (Seagen Inc.)
Sponsor-wide plan assets over time
All Seagen Inc. plans reported in each filing year
- Latest sponsor-wide plan assets
- $560M 43.46894861873077% vs 2022
- 2023 filing year
| 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.
- The Boeing Company 401(k) Retirement Plan $72.2B · 128,910
- Microsoft Corporation Savings Plus 401(k) Plan $53.2B · 123,296
- Costco 401(k) Retirement Plan $33.4B · 192,744
- T-Mobile USA, Inc. 401(k) Retirement Savings Plan & Trust $8.3B · 71,538
- 401(k) Savings Plan $8.1B · 87,590
Seagen Inc. 401(k) Plan's closest out-of-state 401(k) peers by headcount
Outside Washington, the nearest 401(k) by covered participants is Lrs Healthcare 401(k) Plan in NE (3,297 participants; this filing: 3,297 participants).
Similar participant headcount
Nearest other-state filings by covered participants (3,297 participants); asset peers above are excluded.
- Lrs Healthcare 401(k) Plan (NE) 3,297 · 0 off
- Systems 401(k) Retirement Plan (MO) 3,298 · 1 off
- Amcor Rigid Packaging Savings and Investment Plan (MI) 3,298 · 1 off
- Elevator Constructors Union Local 1 Annuity and 401(k) Fund (NJ) 3,298 · 1 off
DOL Form 5500 plan year 2023. Asset totals can differ widely at the same headcount; neither axis is a quality rating.