401(k) · DOL Form 5500 · 2024

Trinet Hr III, Inc. 401(k) Plan

Data updated 2026-08-25

$8.7B
Total assets Very large vs avg
220,583
Participants Very large workforce
100th
Percentile by assets National rank
$39,488
Avg per participant Low balance/head
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Official DOL plan name: Trinet 401(k) Plan · Sponsored by Trinet Hr III, Inc. · California · Professional & Technical Services

$8.7B in assets, 220,583 participants

Trinet Hr III, Inc.'s Trinet 401(k) Plan reported $8.7B in total assets and 220,583 participants in its 2024 DOL Form 5500 filing, ranking in the 100th 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.

  • #20,159 in Professional & Technical Services (20,173 peers)

Coverage in California

Trinet 401(k) Plan covers 220,583 participants in California, 350x the typical California plan (state average ~630 per filing). Assets: $8.7B.

#20,159
in Professional & Technical Services (20,173 peers)
+23.9%
assets growth YoY
87×
vs typical plan assets (national mean)

Trinet 401(k) Plan's outsized position by total assets

Trinet 401(k) Plan vs every filed plan by assets

End-of-year total assets · plan year 2024 · DOL Form 5500

$8,710,441,603 Highest reported value at or above every one of 123,620 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 2024

Trinet 401(k) Plan's mega-plan peer group by participant headcount

Plan-year 2024 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Trinet 401(k) Plan is a mega filing (220,583 participants), the rightmost band on the breakdown.

What changed between DOL Form 5500 filings

plan year 2023 → plan year 2024

  • Trinet 401(k) Plan reported participants rose from 157,945 in the plan year 2023 filing to 220,583 in the plan year 2024 filing.
  • Trinet 401(k) Plan end-of-year assets rose from $7.0B in the plan year 2023 filing to $8.7B in the plan year 2024 filing.
  • Trinet 401(k) Plan reported net income fell from $2.0B in the plan year 2023 filing to $1.9B in the plan year 2024 filing.

See the national 2023→2024 release diff →

EBSA filing schedule strip

Filing strip 481304650 · Trinet Hr III, Inc. PY 2024 · 401(k)

Trinet 401(k) Plan · $8.7B · 220,583 · 100th

  • BOY $8.7B
  • SCH 220,583
  • EBSA 100th
  • PART 401(k)
  • TYPE near Tenet Healthcare Corporation 401(k) Retirement Savings Plan
  • NET ind #20159

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 California →

Trinet 401(k) Plan in the asset neighbourhood

Hewlett Packard Enterprise 401(k)PlanHewlett Packard Enterprise 4…$8.8BGsk 401(k) Plan$8.8BTrinet 401(k) Plan$8.7BTenet Healthcare Corporation 401(k) Retirement Savings PlanTenet Healthcare Corporation…$8.7BAstrazeneca Savings and Security PlanAstrazeneca Savings and Secu…$8.6B
End-of-year total assets ($B) among Trinet 401(k) Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2024.

California filing particulars

Total Assets (Beginning of Year)$7.0B
Net Assets (End of Year)$8.7B
Net Income$1.9B
Employer EIN481304650
Plan Effective Date2003-01-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Trinet Hr III, Inc.)

Sponsor-wide plan assets over time

All Trinet Hr III, Inc. plans reported in each filing year

Latest sponsor-wide plan assets
$8.7B 66.55929713208751% vs 2022
2024 filing year
$4B$6B$8B$10B 202220232024 $5.23B $8.71B ▲ +66.5%
Year Plans Participants Total Assets
2022 1 242,181 $5.2B
2023 1 157,945 $7.0B
2024 1 220,583 $8.7B

Nearby 401(k) Plans in California

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

Trinet 401(k) Plan vs. nearby 401(k) plans in California, assets vs. participants Scatter plot of 6 data points. 050000100000150000200000250000 0102030405060 Total assets ($B) Participants Trinet 401(k) Plan, Total assets ($B): 8.710441603 · Participants: 220583Trinet 401(k) PlanGoogle LLC 401(k) Savings Plan, Total assets ($B): 48.738057415 · Participants: 116712Google LLC 401(k) Savings PlanOracle Corporation 401(k) Savings and Investment Plan, Total assets ($B): 31.02646504 · Participants: 58962Oracle Corporation 401(k) Savings and Investment PlanIntel 401(k) Savings Plan, Total assets ($B): 24.850880304 · Participants: 55298Intel 401(k) Savings PlanApple 401(k) Plan, Total assets ($B): 24.714519387 · Participants: 101450Apple 401(k) PlanCisco Systems,Inc. 401(k) Plan, Total assets ($B): 22.728425546 · Participants: 40452Cisco Systems,Inc. 401(k) Plan
Trinet 401(k) Plan vs. nearby 401(k) plans in California, assets vs. participants
Compare Trinet 401(k) Plan side-by-side with 3 peers →

Scale composition for Trinet 401(k) Plan

Trinet 401(k) Plan reports $8.7B in end-of-year assets across 220,583 participants (0.071% of the $12.3T held by all Form 5500 filers in the national rollup , and 0.23% of 93,925,755 covered participants) - about $39,488 per participant (29% of the national average assets-per-participant) . Net income for plan year 2024 was $1.9B.

This plan identity (EIN 481304650, plan #334) has 3 Form 5500 filings on file from 2022 to 2024 , with end-of-year assets moving from $5.2B to $8.7B (+66.6%) while covered participants moved from 242,181 to 220,583 . Single-year sparse filers cannot show that trail.

Plan year Participants EOY assets Filing
2022 242,181 $5.2B Open filing
2023 157,945 $7.0B Open filing
2024 · index core 220,583 $8.7B This page

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

Outside California, the nearest 401(k) by assets is Tenet Healthcare Corporation 401(k) Retirement Savings Plan in TX ($8.7B); by covered participants it is Dollar General Corp 401(k) Savings and Retirement Plan in TN (217,948 participants). Same-state nearby plans are listed separately above.

Closest by plan assets

Nearest other-state filings by tot_assets_eoy ($8.7B here).

Similar participant headcount

Nearest other-state filings by covered participants (220,583 participants); asset peers above are excluded.

DOL Form 5500 plan year 2024. Asset totals can differ widely at the same headcount; neither axis is a quality rating.

Frequently Asked Questions

How did Trinet 401(k) Plan assets move in 2024? ▼
Trinet 401(k) Plan grew sharply - up 23.9% during 2024, from $7.0B to $8.7B. Reported net income was $1.9B.
How have Trinet Hr III, Inc. plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), Trinet Hr III, Inc.'s sponsor-wide assets grew 66.6%, from $5.2B to $8.7B.
Where does Trinet 401(k) Plan rank by assets among Form 5500 filers? ▼
Trinet 401(k) Plan ranks in the 100th percentile by end-of-year assets among 123,622 plans that reported assets for plan year 2024 (among the largest 1% of all filed plans).
Which 401(k) plans are similar in size to Trinet 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by assets is Tenet Healthcare Corporation 401(k) Retirement Savings Plan in TX ($8.7B, 107,575 participants).
Which 401(k) plans cover a similar participant headcount to Trinet 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by covered participants is Dollar General Corp 401(k) Savings and Retirement Plan in TN (217,948 participants, $825M in assets).

Source: U.S. Department of Labor, Employee Benefits Security Administration (EBSA), Form 5500 public disclosure dataset. Plan year 2024.

Source: DOL EFAST2 filing system (efast.dol.gov) - original filing retrieval by EIN 481304650.

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.