401(k) · DOL Form 5500 · 2023

Western Alliance Bancorporation 401(k) Plan

Data updated 2026-08-25

$357M
Total assets Above avg plan size
3,409
Participants Above avg headcount
97th
Percentile by assets National rank
$104,697
Avg per participant Below avg balance/head
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Official DOL plan name: Western Alliance Bancorporation 401(k) Plan · Sponsored by Western Alliance Bancorporation · Arizona · Finance & Insurance

$357M in assets, 3,409 participants

Western Alliance Bancorporation's Western Alliance Bancorporation 401(k) Plan reported $357M in total assets and 3,409 participants in its 2023 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.

  • #8,366 in Finance & Insurance (8,869 peers)

Coverage in Arizona

Western Alliance Bancorporation 401(k) Plan covers 3,409 participants in Arizona, 6.0x the typical Arizona plan (state average ~564 per filing). Assets: $357M.

#8,366
in Finance & Insurance (8,869 peers)
+31.3%
assets growth YoY
3.6×
vs typical plan assets (national mean)

Western Alliance Bancorporation 401(k) Plan's outsized position by total assets

Western Alliance Bancorporation 401(k) Plan vs every filed plan by assets

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

$356,911,377 Top 3% higher than 97% 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

Western Alliance Bancorporation 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. Western Alliance Bancorporation 401(k) Plan lands in the large band (3,409 participants).

What changed between DOL Form 5500 filings

plan year 2022 → plan year 2023

  • Western Alliance Bancorporation 401(k) Plan reported net income rose from -$28M in the plan year 2022 filing to $85M in the plan year 2023 filing.
  • Western Alliance Bancorporation 401(k) Plan end-of-year assets rose from $272M in the plan year 2022 filing to $357M in the plan year 2023 filing.
  • Western Alliance Bancorporation 401(k) Plan reported participants rose from 3,195 in the plan year 2022 filing to 3,409 in the plan year 2023 filing.

See the national 2022→2023 release diff →

Form 5500 schedule snapshot

Filing strip 880365922 · Western Alliance Bancorporation PY 2023 · 401(k)

Western Alliance Bancorporation 401(k) Plan · $357M · 3,409 · 97th

  • BOOK $357M
  • BOOK 3,409
  • BOOK 97th
  • BOOK 401(k)
  • BOOK near Southern Illinois Healthcare Retirement Savings Plan
  • BOOK ind #8366

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 Finance & Insurance retirement plans → · Plans in Arizona →

Western Alliance Bancorporation 401(k) Plan in the asset neighbourhood

Southern Illinois Healthcare Retirement Savings PlanSouthern Illinois Healthcare…$357MWestern Alliance Bancorporation 401(k) PlanWestern Alliance Bancorporat…$357MElliott Company Consolidated Savings PlanElliott Company Consolidated…$356MPrestige Employee Administrators Retirement Savings PlanPrestige Employee Administra…$356MProskauer Rose LLP Savings Plan for Staff and PartnersProskauer Rose LLP Savings P…$356M
End-of-year total assets ($M) among Western Alliance Bancorporation 401(k) Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2023.

Arizona filing particulars

Total Assets (Beginning of Year)$272M
Net Assets (End of Year)$357M
Net Income$85M
Employer EIN880365922
Plan Effective Date1995-01-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Western Alliance Bancorporation)

Sponsor-wide plan assets over time

All Western Alliance Bancorporation plans reported in each filing year

Latest sponsor-wide plan assets
$444M 63.4026892447866% vs 2022
2024 filing year
$200M$300M$400M$500M 202220232024 $272M $444M ▲ +63.4%
Year Plans Participants Total Assets
2022 1 3,195 $272M
2023 1 3,409 $357M
2024 1 3,319 $444M

Nearby 401(k) Plans in Arizona

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

Western Alliance Bancorporation 401(k) Plan vs. nearby 401(k) plans in Arizona, assets vs. participants Scatter plot of 6 data points. 0200004000060000 0246 Total assets ($B) Participants Western Alliance Bancorporation 401(k) Plan, Total assets ($B): 0.356911377 · Participants: 3409Western Alliance Bancorporation 401(k) PlanBechtel Trust & Thrift Plan, Total assets ($B): 5.691074806 · Participants: 7448Bechtel Trust & Thrift PlanBanner Health Employees 401(k) Plan, Total assets ($B): 4.270882725 · Participants: 52452Banner Health Employees 401(k) PlanRepublic Services, Inc. 401(k) Plan, Total assets ($B): 2.379834679 · Participants: 28131Republic Services, Inc. 401(k) PlanFreeport-Mcmoran Inc. Employee Capital Accumulation Program, Total assets ($B): 2.323111586 · Participants: 13105Freeport-Mcmoran Inc. Employee Capital Accumulation ProgramStantec 401(k) Plan, Total assets ($B): 2.021683156 · Participants: 10719Stantec 401(k) Plan
Western Alliance Bancorporation 401(k) Plan vs. nearby 401(k) plans in Arizona, assets vs. participants

Western Alliance Bancorporation 401(k) Plan's out-of-state 401(k) peers by assets and headcount

Outside Arizona, the nearest 401(k) by assets is Southern Illinois Healthcare Retirement Savings Plan in IL ($357M); by covered participants it is Toshiba Tec U.S. Employees' 401(k) Savings Plan in NC (3,409 participants). Same-state nearby plans are listed separately above.

Similar participant headcount

Nearest other-state filings by covered participants (3,409 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 Western Alliance Bancorporation 401(k) Plan assets move in 2023?
Western Alliance Bancorporation 401(k) Plan surged - up 31.3% during 2023, from $272M to $357M. Reported net income was $85M.
How have Western Alliance Bancorporation plan assets changed over time?
Across 3 plan years on file (2022-2024), Western Alliance Bancorporation's sponsor-wide assets grew 63.4%, from $272M to $444M.
Where does Western Alliance Bancorporation 401(k) Plan rank by assets among Form 5500 filers?
Western Alliance Bancorporation 401(k) Plan ranks in the 97th 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 Western Alliance Bancorporation 401(k) Plan?
Among 401(k) plans in other states, the closest by assets is Southern Illinois Healthcare Retirement Savings Plan in IL ($357M, 4,068 participants).
Which 401(k) plans cover a similar participant headcount to Western Alliance Bancorporation 401(k) Plan?
Among 401(k) plans in other states, the closest by covered participants is Toshiba Tec U.S. Employees' 401(k) Savings Plan in NC (3,409 participants, $441M in assets).