401(k) · DOL Form 5500 · 2023

Houghton Mifflin Harcourt Publishing Company 401(k) Plan

Data updated 2026-08-25

$583M
Total assets Above avg plan size
2,154
Participants Near avg headcount
98th
Percentile by assets National rank
$270,741
Avg per participant High balance/head
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Official DOL plan name: Houghton Mifflin 401(k) Savings Plan · Sponsored by Houghton Mifflin Harcourt Publishing Company · Massachusetts · Information & Media

$583M in assets, 2,154 participants

Houghton Mifflin Harcourt Publishing Company's Houghton Mifflin 401(k) Savings Plan reported $583M in total assets and 2,154 participants in its 2023 DOL Form 5500 filing, ranking in the 98th 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.

  • #2,704 in Information & Media (2,818 peers)

Coverage in Massachusetts

Houghton Mifflin 401(k) Savings Plan covers 2,154 participants in Massachusetts, 3.3x the typical Massachusetts plan (state average ~659 per filing). Assets: $583M.

#2,704
in Information & Media (2,818 peers)
+21.8%
assets growth YoY
5.9×
vs typical plan assets (national mean)

Houghton Mifflin 401(k) Savings Plan's outsized position by total assets

Houghton Mifflin 401(k) Savings Plan vs every filed plan by assets

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

$583,176,578 Top 2% higher than 98% 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

Houghton Mifflin 401(k) Savings 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. Houghton Mifflin 401(k) Savings Plan lands in the large band (2,154 participants).

What changed between DOL Form 5500 filings

plan year 2022 → plan year 2023

  • Houghton Mifflin 401(k) Savings Plan reported net income rose from -$141M in the plan year 2022 filing to $104M in the plan year 2023 filing.
  • Houghton Mifflin 401(k) Savings Plan end-of-year assets rose from $479M in the plan year 2022 filing to $583M in the plan year 2023 filing.

See the national 2022→2023 release diff →

DOL schedule card

Filing strip 041456030 · Houghton Mifflin Harcourt Publishing Company PY 2023 · 401(k)

Houghton Mifflin 401(k) Savings Plan · $583M · 2,154 · 98th

  • EIN $583M
  • EIN 2,154
  • EIN 98th
  • EIN 401(k)
  • EIN near Dot Holdings Co 401(k) and Profit Sharing Plan
  • EIN ind #2704

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 Information & Media retirement plans → · Plans in Massachusetts →

Houghton Mifflin 401(k) Savings Plan in the asset neighbourhood

Russell Investments Retirement PlanRussell Investments Retireme…$584MHoughton Mifflin 401(k) Savings PlanHoughton Mifflin 401(k) Savi…$583MDot Holdings Co 401(k) and Profit Sharing PlanDot Holdings Co 401(k) and P…$583MA O Smith Retirement Security PlanA O Smith Retirement Securit…$583MOnemain 401(k) Plan$583M
End-of-year total assets ($M) among Houghton Mifflin 401(k) Savings Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2023.

Massachusetts filing particulars

Total Assets (Beginning of Year)$479M
Net Assets (End of Year)$583M
Net Income$104M
Employer EIN041456030
Plan Effective Date1981-01-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Houghton Mifflin Harcourt Publishing Company)

Sponsor-wide plan assets over time

All Houghton Mifflin Harcourt Publishing Company plans reported in each filing year

Latest sponsor-wide plan assets
$756M 27.715190700327806% vs 2022
2024 filing year
$550M$600M$650M$700M$750M$800M 202220232024 $592M $756M ▲ +27.7%
Year Plans Participants Total Assets
2022 2 2,393 $592M
2023 2 2,380 $698M
2024 2 3,097 $756M

Nearby 401(k) Plans in Massachusetts

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

Houghton Mifflin 401(k) Savings Plan vs. nearby 401(k) plans in Massachusetts, assets vs. participants Scatter plot of 6 data points. -20000020000400006000080000 -10010203040 Total assets ($B) Participants Houghton Mifflin 401(k) Savings Plan, Total assets ($B): 0.583176578 · Participants: 2154Houghton Mifflin 401(k) Savings PlanFidelity Retirement Savings Plan, Total assets ($B): 28.649852331 · Participants: 62289Fidelity Retirement Savings PlanLiberty Mutual 401(k) Plan, Total assets ($B): 10.556596852 · Participants: 37052Liberty Mutual 401(k) PlanMassachusetts Institute of Technology Supplemental 401(k) Plan, Total assets ($B): 6.829912863 · Participants: 14094Massachusetts Institute of Technology Supplemental 401(k) PlanBoston Scientific Corporation 401(k) Retirement Savings Plan, Total assets ($B): 5.786107181 · Participants: 19881Boston Scientific Corporation 401(k) Retirement Savings PlanPhilips North America 401(k) Plan, Total assets ($B): 5.779286156 · Participants: 19120Philips North America 401(k) Plan
Houghton Mifflin 401(k) Savings Plan vs. nearby 401(k) plans in Massachusetts, assets vs. participants
Compare Houghton Mifflin 401(k) Savings Plan side-by-side with 3 peers →

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

Outside Massachusetts, the nearest 401(k) by assets is Dot Holdings Co 401(k) and Profit Sharing Plan in MO ($583M); by covered participants it is Ensign United States Drilling Inc. 401(k) Profit Sharing Plan in TX (2,154 participants). Same-state nearby plans are listed separately above.

Closest by plan assets

Nearest other-state filings by tot_assets_eoy ($583M here).

Similar participant headcount

Nearest other-state filings by covered participants (2,154 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 Houghton Mifflin 401(k) Savings Plan assets move in 2023? ▼
Houghton Mifflin 401(k) Savings Plan grew sharply - up 21.8% during 2023, from $479M to $583M. Reported net income was $104M.
How have Houghton Mifflin Harcourt Publishing Company plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), Houghton Mifflin Harcourt Publishing Company's sponsor-wide assets grew 27.7%, from $592M to $756M.
Where does Houghton Mifflin 401(k) Savings Plan rank by assets among Form 5500 filers? ▼
Houghton Mifflin 401(k) Savings Plan ranks in the 98th 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 Houghton Mifflin 401(k) Savings Plan? ▼
Among 401(k) plans in other states, the closest by assets is Dot Holdings Co 401(k) and Profit Sharing Plan in MO ($583M, 6,814 participants).
Which 401(k) plans cover a similar participant headcount to Houghton Mifflin 401(k) Savings Plan? ▼
Among 401(k) plans in other states, the closest by covered participants is Ensign United States Drilling Inc. 401(k) Profit Sharing Plan in TX (2,154 participants, $95M in assets).

Source: U.S. Department of Labor, Employee Benefits Security Administration (EBSA), Form 5500 public disclosure dataset. Plan year 2023.

Source: DOL EFAST2 filing system (efast.dol.gov) - original filing retrieval by EIN 041456030.

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.