401(k) · DOL Form 5500 · 2024

Houghton Mifflin Harcourt Publishing Company 401(k) Plan

Data updated 2026-08-25

$644M
Total assets Above avg plan size
2,891
Participants Above avg headcount
98th
Percentile by assets National rank
$222,827
Avg per participant Above avg 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

$644M in assets, 2,891 participants

Houghton Mifflin Harcourt Publishing Company's Houghton Mifflin 401(k) Savings Plan reported $644M in total assets and 2,891 participants in its 2024 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.

  • #2,706 in Information & Media (2,822 peers)

Coverage in Massachusetts

Houghton Mifflin 401(k) Savings Plan covers 2,891 participants in Massachusetts, 4.4x the typical Massachusetts plan (state average ~659 per filing). Assets: $644M.

#2,706
in Information & Media (2,822 peers)
+10.5%
assets growth YoY
6.5×
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 2024 · DOL Form 5500

$644,193,537 Top 2% higher than 98% 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

Houghton Mifflin 401(k) Savings Plan's large-plan peer group by participant headcount

Plan-year 2024 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 (2,891 participants).

What changed between DOL Form 5500 filings

plan year 2023 → plan year 2024

  • Houghton Mifflin 401(k) Savings Plan reported net income fell from $104M in the plan year 2023 filing to $60M in the plan year 2024 filing.
  • Houghton Mifflin 401(k) Savings Plan reported participants rose from 2,154 in the plan year 2023 filing to 2,891 in the plan year 2024 filing.
  • Houghton Mifflin 401(k) Savings Plan end-of-year assets rose from $583M in the plan year 2023 filing to $644M in the plan year 2024 filing.

See the national 2023→2024 release diff →

Plan-year Form 5500 strip

Filing strip 041456030 · Houghton Mifflin Harcourt Publishing Company PY 2024 · 401(k)

Houghton Mifflin 401(k) Savings Plan · $644M · 2,891 · 98th

  • IND $644M
  • IND 2,891
  • IND 98th
  • IND 401(k)
  • IND near V2x 401(k) Retirement Plan
  • IND ind #2706

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

Tpg Global, LLC 401(k) Profit Sharing PlanTpg Global, LLC 401(k) Profi…$645MV2x 401(k) Retirement Plan$644MHoughton Mifflin 401(k) Savings PlanHoughton Mifflin 401(k) Savi…$644MNaes Corporation Retirement & 401(k) PlanNaes Corporation Retirement …$644MConstellis 401(k) Plan$644M
End-of-year total assets ($M) among Houghton Mifflin 401(k) Savings Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2024.

Massachusetts filing particulars

Total Assets (Beginning of Year)$583M
Net Assets (End of Year)$644M
Net Income$60M
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): 0.644193537 · Participants: 2891Houghton Mifflin 401(k) Savings PlanFidelity Retirement Savings Plan, Total assets ($B): 34.201609937 · Participants: 66907Fidelity Retirement Savings PlanLiberty Mutual 401(k) Plan, Total assets ($B): 11.352606499 · Participants: 34618Liberty Mutual 401(k) PlanMassachusetts Institute of Technology Supplemental 401(k) Plan, Total assets ($B): 7.720373045 · Participants: 14762Massachusetts Institute of Technology Supplemental 401(k) PlanBoston Scientific Corporation 401(k) Retirement Savings Plan, Total assets ($B): 6.775289067 · Participants: 20639Boston Scientific Corporation 401(k) Retirement Savings PlanState Street Salary Savings Program, Total assets ($B): 6.532301643 · Participants: 12777State Street Salary Savings Program
Houghton Mifflin 401(k) Savings Plan vs. nearby 401(k) plans in Massachusetts, assets vs. participants

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 V2x 401(k) Retirement Plan in MS ($644M); by covered participants it is Awg, Inc Restated 401(k) Plan in KS (2,892 participants). Same-state nearby plans are listed separately above.

Closest by plan assets

Nearest other-state filings by tot_assets_eoy ($644M here).

Similar participant headcount

Nearest other-state filings by covered participants (2,891 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 Houghton Mifflin 401(k) Savings Plan assets move in 2024?
Houghton Mifflin 401(k) Savings Plan grew at a solid clip - up 10.5% during 2024, from $583M to $644M. Reported net income was $60M.
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 123,622 plans that reported assets for plan year 2024 (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 V2x 401(k) Retirement Plan in MS ($644M, 6,644 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 Awg, Inc Restated 401(k) Plan in KS (2,892 participants, $311M in assets).