Hologic, Inc. 401(k) Plan: Login, Facts & Contact Information

Hologic, Inc. 401(k) Plan Facts

Plan name
HOLOGIC, INC. SAVINGS AND INVESTMENT PLAN
Plan type
401(k) with employer contributions
Plan sponsor
HOLOGIC, INC.
Participants
6,828 (4,179 active employees)
Former employees with a balance
2,626
Plan assets
$1,185,648,527 at Dec 31, 2024
Average account balance
$176,620 across 6,713 accounts
Employer contributions
$23,298,513 in plan year 2024 (28% of all contributions)
Recordkeeper
Fidelity Investments Institutional
Plan year
Jan 1, 2024 – Dec 31, 2024
Plan established
Jan 1, 1988
✓ 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 6, 2025. Public filing with the U.S. Department of Labor.

Money in and out in plan year 2024

  • $83.3 million went into the plan in contributions, $23.3 million of it from the employer (28%).
  • $114.7 million was paid out to participants.
  • Investment and other income added $168.8 million.
  • Administrative expenses were $19,292, about $3 per account.

How the Hologic, Inc. 401(k) changed, 2019–2024

Plan yearParticipantsPlan assetsEmployer contributionsBenefits paid
20196,291$831.3 million$20.0 million$77.7 million
20206,436$949.3 million$20.2 million$91.7 million
20216,318$1.07 billion$20.1 million$107.1 million
20226,664$881.1 million$22.4 million$75.9 million
20236,846$1.05 billion$23.5 million$95.2 million
20246,828$1.19 billion$23.3 million$114.7 million

Hologic, Inc. 401(k) Contact Information

Phone
508-263-8377
Mailing address
250 CAMPUS DRIVE, MARLBOROUGH MA 01752
Plan sponsor
HOLOGIC, INC.
Employer identification number (EIN)
04-2902449
Plan number
001

Questions about the Hologic, Inc. 401(k)

Does Hologic, Inc contribute to the 401(k)?

Yes. The plan reports an employer contribution arrangement. In plan year 2024 the employer contributed $23.3 million, 28% of all contributions.

Does the Hologic, Inc 401(k) have automatic enrollment?

Yes. The plan reports automatic enrollment of eligible employees.

How many people are in the Hologic, Inc 401(k) plan?

6,828 participants at the start of plan year 2024, 4,179 of them active employees, and 2,626 former employees who still had money in the plan.

What is the average 401(k) balance at Hologic, Inc?

About $176,620 per account: $1.19 billion in plan assets across 6,713 accounts with a balance at the end of plan year 2024.

Who manages the Hologic, Inc 401(k) accounts?

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

I no longer work at Hologic, Inc. 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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