401(k) · DOL Form 5500 · 2023

Thornburg Investment Management, Incorporated 401(k) Plan

Data updated 2026-08-25

$145M
Total assets Near avg plan size
244
Participants Below avg headcount
93rd
Percentile by assets National rank
$594,979
Avg per participant High balance/head
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Official DOL plan name: Thornburg Investment Management, Incorporated 401(k) Plan · Sponsored by Thornburg Investment Management, Incorporated · New Mexico · Finance & Insurance

$145M in assets, 244 participants

Thornburg Investment Management, Incorporated's Thornburg Investment Management, Incorporated 401(k) Plan reported $145M in total assets and 244 participants in its 2023 DOL Form 5500 filing, ranking in the 93rd 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.

  • #7,949 in Finance & Insurance (8,869 peers)

Where Thornburg Investment Management, Incorporated 401(k) Plan sits by assets

Thornburg Investment Management, Incorporated 401(k) Plan sits in the top 10% of all filed plans by assets, $145M for 244 participants (~$594,979/participant), up 19.6% in 2023.

#7,949
in Finance & Insurance (8,869 peers)
+19.6%
assets growth YoY
1.5×
vs typical plan assets (national mean)

Thornburg Investment Management, Incorporated 401(k) Plan's outsized position by total assets

Thornburg Investment Management, Incorporated 401(k) Plan vs every filed plan by assets

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

$145,174,845 Top 7% higher than 93% 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

Thornburg Investment Management, Incorporated 401(k) Plan among mid-size filed plans by headcount

Plan-year 2023 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Thornburg Investment Management, Incorporated 401(k) Plan sits mid-pack in the medium band (244 participants).

What changed between DOL Form 5500 filings

plan year 2022 → plan year 2023

  • Thornburg Investment Management, Incorporated 401(k) Plan reported net income rose from -$18M in the plan year 2022 filing to $24M in the plan year 2023 filing.
  • Thornburg Investment Management, Incorporated 401(k) Plan end-of-year assets rose from $121M in the plan year 2022 filing to $145M in the plan year 2023 filing.
  • Thornburg Investment Management, Incorporated 401(k) Plan reported participants fell from 255 in the plan year 2022 filing to 244 in the plan year 2023 filing.

See the national 2022→2023 release diff →

DOL schedule card

Filing strip 850301299 · Thornburg Investment Management, Incorporated PY 2023 · 401(k)

Thornburg Investment Management, Incorporated 401(k) Plan · $145M · 244 · 93rd

  • EIN $145M
  • EIN 244
  • EIN 93rd
  • EIN 401(k)
  • EIN near Fairfield 401(k) Plan
  • EIN ind #7949

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 New Mexico →

Thornburg Investment Management, Incorporated 401(k) Plan in the asset neighbourhood

Crow Holdings Retirement Savings PlanCrow Holdings Retirement Sav…$145MThornburg Investment Management, Incorporated 401(k) PlanThornburg Investment Managem…$145MFairfield 401(k) Plan$145MHarter Secrest & Emery Savings and Profit-Sharing PlanHarter Secrest & Emery Savin…$145MGerson Lehrman Group Inc Plan$145M
End-of-year total assets ($M) among Thornburg Investment Management, Incorporated 401(k) Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2023.

Scale-class filing particulars (2023)

Total Assets (Beginning of Year)$121M
Net Assets (End of Year)$145M
Net Income$24M
Employer EIN850301299
Plan Effective Date2003-03-31
Filing StatusFILING RECEIVED

Sponsor Plan History (Thornburg Investment Management, Incorporated)

Sponsor-wide plan assets over time

All Thornburg Investment Management, Incorporated plans reported in each filing year

Latest sponsor-wide plan assets
$156M 28.867530734718226% vs 2022
2024 filing year
$100M$120M$140M$160M 202220232024 $121M $156M ▲ +28.9%
Year Plans Participants Total Assets
2022 1 255 $121M
2023 1 244 $145M
2024 1 244 $156M

Nearby 401(k) Plans in New Mexico

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

Thornburg Investment Management, Incorporated 401(k) Plan vs. nearby 401(k) plans in New Mexico, assets vs. participants Scatter plot of 6 data points. -500005000100001500020000 -202468 Total assets ($B) Participants Thornburg Investment Management, Incorporated 401(k) Plan, Total assets ($B): 0.145174845 · Participants: 244Thornburg Investment Management, Incorporated 401(k) PlanNtess Savings and Income Plan, Total assets ($B): 6.138288212 · Participants: 14721Ntess Savings and Income PlanTriad 401(k) Retirement Plan, Total assets ($B): 2.017061751 · Participants: 10005Triad 401(k) Retirement PlanTriad 401(k) Savings Plan, Total assets ($B): 0.83962508 · Participants: 2249Triad 401(k) Savings PlanPnm Resources, Inc. Retirement Savings Plan, Total assets ($B): 0.76542965 · Participants: 1531Pnm Resources, Inc. Retirement Savings PlanApplied Research Associates, Inc. 401(k) Profit Sharing Plan & Trust, Total assets ($B): 0.573005592 · Participants: 1962Applied Research Associates, Inc. 401(k) Profit Sharing Plan & Trust
Thornburg Investment Management, Incorporated 401(k) Plan vs. nearby 401(k) plans in New Mexico, assets vs. participants

Thornburg Investment Management, Incorporated 401(k) Plan's out-of-state 401(k) peers by assets and headcount

Outside New Mexico, the nearest 401(k) by assets is Fairfield 401(k) Plan in CA ($145M); by covered participants it is Color Image Apparel, Inc. 401(k) Profit Sharing Plan B in CA (244 participants). Same-state nearby plans are listed separately above.

Closest by plan assets

Nearest other-state filings by tot_assets_eoy ($145M here).

Similar participant headcount

Nearest other-state filings by covered participants (244 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 Thornburg Investment Management, Incorporated 401(k) Plan assets move in 2023?
Thornburg Investment Management, Incorporated 401(k) Plan grew sharply - up 19.6% during 2023, from $121M to $145M. Reported net income was $24M.
How have Thornburg Investment Management, Incorporated plan assets changed over time?
Across 3 plan years on file (2022-2024), Thornburg Investment Management, Incorporated's sponsor-wide assets grew 28.9%, from $121M to $156M.
Where does Thornburg Investment Management, Incorporated 401(k) Plan rank by assets among Form 5500 filers?
Thornburg Investment Management, Incorporated 401(k) Plan ranks in the 93rd percentile by end-of-year assets among 127,072 plans that reported assets for plan year 2023 (in the top 10% of all filed plans by assets).
Which 401(k) plans are similar in size to Thornburg Investment Management, Incorporated 401(k) Plan?
Among 401(k) plans in other states, the closest by assets is Fairfield 401(k) Plan in CA ($145M, 1,326 participants).
Which 401(k) plans cover a similar participant headcount to Thornburg Investment Management, Incorporated 401(k) Plan?
Among 401(k) plans in other states, the closest by covered participants is Color Image Apparel, Inc. 401(k) Profit Sharing Plan B in CA (244 participants, $3M in assets).