Houghton Mifflin Harcourt Publishing Company 401(k) Plan: Login, Facts & Contact Information

Houghton Mifflin Harcourt Publishing Company 401(k) Plan Facts

Plan name
HOUGHTON MIFFLIN 401(K) SAVINGS PLAN
Plan type
401(k) with employer contributions and profit sharing
Plan sponsor
HOUGHTON MIFFLIN HARCOURT PUBLISHING COMPANY
Participants
5,290 (2,768 active employees)
Former employees with a balance
1,992
Plan assets
$644,193,537 at Dec 31, 2024
Average account balance
$136,280 across 4,727 accounts
Employer contributions
$8,031,346 in plan year 2024 (21% of all contributions)
Recordkeeper
Fidelity Investments Inst. Ops. Co
Plan year
Jan 1, 2024 – Dec 31, 2024
Plan established
Jan 1, 1981
✓ Employer contributions— Automatic enrollment— Default investment for undecided participants✓ Participants choose their own investments✓ Self-directed brokerage window✓ Profit sharing— Company stock (ESOP)

Source: Form 5500 for plan year 2024 (Jan 1, 2024 – Dec 31, 2024), filed Oct 14, 2025. Public filing with the U.S. Department of Labor.

Money in and out in plan year 2024

  • $39.0 million went into the plan in contributions, $8.03 million of it from the employer (21%).
  • $68.0 million was paid out to participants.
  • Investment and other income added $89.3 million.
  • Administrative expenses were $467,289, about $99 per account.

How the Houghton Mifflin Harcourt Publishing Company 401(k) changed, 2019–2024

Plan yearParticipantsPlan assetsEmployer contributionsBenefits paid
20195,749$543.2 million$7.52 million$47.6 million
20205,589$586.8 million$6.67 million$75.3 million
20215,135$619.7 million$5.50 million$77.8 million
20224,602$478.7 million$5.54 million$50.8 million
20234,502$583.2 million$7.05 million$53.7 million
20245,290$644.2 million$8.03 million$68.0 million

Houghton Mifflin Harcourt Publishing Company 401(k) Contact Information

Phone
617-351-5000
Mailing address
125 HIGH STREET, BOSTON MA 02110
Plan sponsor
HOUGHTON MIFFLIN HARCOURT PUBLISHING COMPANY
Plan administrator
HOUGHTON MIFFLIN INVESTMENT COMMITTEE
Employer identification number (EIN)
04-1456030
Plan number
003

Questions about the Houghton Mifflin Harcourt Publishing Company 401(k)

Does Houghton Mifflin Harcourt Publishing Company contribute to the 401(k)?

Yes. The plan reports an employer contribution arrangement. In plan year 2024 the employer contributed $8.03 million, 21% of all contributions.

Does the Houghton Mifflin Harcourt Publishing Company 401(k) have automatic enrollment?

No. The plan does not report automatic enrollment; employees enroll themselves.

How many people are in the Houghton Mifflin Harcourt Publishing Company 401(k) plan?

5,290 participants at the start of plan year 2024, 2,768 of them active employees, and 1,992 former employees who still had money in the plan.

What is the average 401(k) balance at Houghton Mifflin Harcourt Publishing Company?

About $136,280 per account: $644.2 million in plan assets across 4,727 accounts with a balance at the end of plan year 2024.

Who manages the Houghton Mifflin Harcourt Publishing Company 401(k) accounts?

Fidelity NetBenefits (listed on the filing as FIDELITY INVESTMENTS INST. OPS. CO) is the plan's recordkeeper, which is where participants log in to see their balance.

I no longer work at Houghton Mifflin Harcourt Publishing Company. How do I access my 401(k)?

Your account stays with Fidelity NetBenefits after you leave, so you can log in with the same credentials. If your balance was small, the plan may have rolled it into an IRA in your name. If you can't find it, Beagle can locate it for you.

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