401(k) · DOL Form 5500 · 2022

Tetra Tech, Inc. 401(k) Plan

Data updated 2026-08-25

$1.5B
Total assets Very large vs avg
9,951
Participants Very large workforce
99th
Percentile by assets National rank
$153,926
Avg per participant Above avg balance/head
PlainRetire home → About this data RSS: change history

Official DOL plan name: Tetra Tech, Inc. and Subsidiaries Retirement Plan · Sponsored by Tetra Tech, Inc. · California · Professional & Technical Services

$1.5B in assets, 9,951 participants

Tetra Tech, Inc.'s Tetra Tech, Inc. and Subsidiaries Retirement Plan reported $1.5B in total assets and 9,951 participants in its 2022 DOL Form 5500 filing, ranking in the 99th 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.

  • #21,464 in Professional & Technical Services (21,562 peers)

Coverage in California

Tetra Tech, Inc. and Subsidiaries Retirement Plan covers 9,951 participants in California, 16x the typical California plan (state average ~630 per filing). Assets: $1.5B.

#21,464
in Professional & Technical Services (21,562 peers)
+13.1%
assets growth YoY
15×
vs typical plan assets (national mean)

Tetra Tech, Inc. and Subsidiaries Retirement Plan's outsized position by total assets

Tetra Tech, Inc. and Subsidiaries Retirement Plan vs every filed plan by assets

End-of-year total assets · plan year 2022 · DOL Form 5500

$1,531,716,308 Top 1% higher than 99% of 139,123 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 2022

Tetra Tech, Inc. and Subsidiaries Retirement Plan's large-plan peer group by participant headcount

Plan-year 2022 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Tetra Tech, Inc. and Subsidiaries Retirement Plan lands in the large band (9,951 participants).

Published 5500 schedule card

Filing strip 954148514 · Tetra Tech, Inc. PY 2022 · 401(k)

Tetra Tech, Inc. and Subsidiaries Retirement Plan · $1.5B · 9,951 · 99th

  • RANK $1.5B
  • RANK 9,951
  • RANK 99th
  • RANK 401(k)
  • RANK near Bnp Paribas 401(k) Savings Plan
  • RANK ind #21464

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 →

Tetra Tech, Inc. and Subsidiaries Retirement Plan in the asset neighbourhood

Tetra Tech, Inc. and Subsidiaries Retirement PlanTetra Tech, Inc. and Subsidi…$1.5BBnp Paribas 401(k) Savings PlanBnp Paribas 401(k) Savings P…$1.5BBain and Company, Inc. 401(k) Savings PlanBain and Company, Inc. 401(k…$1.5BPitney Bowes Inc. 401(k) Plan$1.5BMondelez Global LLC Thrift PlanMondelez Global LLC Thrift P…$1.5B
End-of-year total assets ($B) among Tetra Tech, Inc. and Subsidiaries Retirement Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2022.

California filing particulars

Total Assets (Beginning of Year)$1.4B
Net Assets (End of Year)$1.5B
Net Income$175M
Employer EIN954148514
Plan Effective Date1988-03-08
Filing StatusFILING RECEIVED

Sponsor Plan History (Tetra Tech, Inc.)

Sponsor-wide plan assets over time

All Tetra Tech, Inc. plans reported in each filing year

Latest sponsor-wide plan assets
$2.2B 41.116067802524306% vs 2022
2024 filing year
$1.4B$1.6B$1.8B$2B$2.2B$2.4B 202220232024 $1.53B $2.16B ▲ +41.2%
Year Plans Participants Total Assets
2022 2 9,967 $1.5B
2023 2 10,703 $2.0B
2024 2 11,996 $2.2B

Nearby 401(k) Plans in California

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

Tetra Tech, Inc. and Subsidiaries Retirement Plan vs. nearby 401(k) plans in California, assets vs. participants Scatter plot of 6 data points. 050000100000150000200000250000 -1001020304050 Total assets ($B) Participants Tetra Tech, Inc. and Subsidiaries Retirement Plan, Total assets ($B): 1.531716308 · Participants: 9951Tetra Tech, Inc. and Subsidiaries Retirement PlanWells Fargo & Company 401(k) Plan, Total assets ($B): 45.765616608 · Participants: 205865Wells Fargo & Company 401(k) PlanGoogle LLC 401(k) Savings Plan, Total assets ($B): 28.89820221 · Participants: 102963Google LLC 401(k) Savings PlanOracle Corporation 401(k) Savings and Investment Plan, Total assets ($B): 21.851716605 · Participants: 46320Oracle Corporation 401(k) Savings and Investment PlanChevron Employee Savings Investment Plan, Total assets ($B): 18.60989746 · Participants: 19946Chevron Employee Savings Investment PlanIntel 401(k) Savings Plan, Total assets ($B): 18.361585903 · Participants: 54672Intel 401(k) Savings Plan
Tetra Tech, Inc. and Subsidiaries Retirement Plan vs. nearby 401(k) plans in California, assets vs. participants

Scale composition for Tetra Tech, Inc. and Subsidiaries Retirement Plan

Tetra Tech, Inc. and Subsidiaries Retirement Plan reports $1.5B in end-of-year assets across 9,951 participants (0.012% of the $12.3T held by all Form 5500 filers in the national rollup , and 0.011% of 93,925,755 covered participants) - about $153,926 per participant (1.1x the national average assets-per-participant) . Net income for plan year 2022 was $175M.

This plan identity (EIN 954148514, plan #001) has 3 Form 5500 filings on file from 2022 to 2024 , with end-of-year assets moving from $1.5B to $2.2B (+41.0%) while covered participants moved from 9,951 to 11,882 . Single-year sparse filers cannot show that trail.

Plan year Participants EOY assets Filing
2022 9,951 $1.5B This page
2023 10,689 $2.0B Open filing
2024 · index core 11,882 $2.2B Open filing

The same sponsor also keeps 1 other index-core plan on PlainRetire:

Tetra Tech, Inc. and Subsidiaries Retirement Plan's out-of-state 401(k) peers by assets and headcount

Outside California, the nearest 401(k) by assets is Bnp Paribas 401(k) Savings Plan in NY ($1.5B); by covered participants it is Reef Global Inc 401(k) Plan in FL (9,953 participants). Same-state nearby plans are listed separately above.

Closest by plan assets

Nearest other-state filings by tot_assets_eoy ($1.5B here).

Similar participant headcount

Nearest other-state filings by covered participants (9,951 participants); asset peers above are excluded.

DOL Form 5500 plan year 2022. Asset totals can differ widely at the same headcount; neither axis is a quality rating.

Frequently Asked Questions

How did Tetra Tech, Inc. and Subsidiaries Retirement Plan assets move in 2022? ▼
Tetra Tech, Inc. and Subsidiaries Retirement Plan grew at a solid clip - up 13.1% during 2022, from $1.4B to $1.5B. Reported net income was $175M.
How have Tetra Tech, Inc. plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), Tetra Tech, Inc.'s sponsor-wide assets grew 41.1%, from $1.5B to $2.2B.
Where does Tetra Tech, Inc. and Subsidiaries Retirement Plan rank by assets among Form 5500 filers? ▼
Tetra Tech, Inc. and Subsidiaries Retirement Plan ranks in the 99th percentile by end-of-year assets among 139,126 plans that reported assets for plan year 2022 (among the largest 1% of all filed plans).
Which 401(k) plans are similar in size to Tetra Tech, Inc. and Subsidiaries Retirement Plan? ▼
Among 401(k) plans in other states, the closest by assets is Bnp Paribas 401(k) Savings Plan in NY ($1.5B, 3,374 participants).
Which 401(k) plans cover a similar participant headcount to Tetra Tech, Inc. and Subsidiaries Retirement Plan? ▼
Among 401(k) plans in other states, the closest by covered participants is Reef Global Inc 401(k) Plan in FL (9,953 participants, $21M in assets).