Berkshire Hathaway Specialty Ins 401(k) Plan: Login, Facts & Contact Information

Berkshire Hathaway Specialty Ins 401(k) Plan Facts

Plan name
BERKSHIRE HATHAWAY SPECIALTY INSURANCE COMPANY RETIREMENT PLA
Plan type
401(k) with employer contributions and profit sharing
Plan sponsor
BERKSHIRE HATHAWAY SPECIALTY INS
Participants
1,047 (935 active employees)
Former employees with a balance
175
Plan assets
$174,080,726 at Dec 31, 2024
Average account balance
$157,539 across 1,105 accounts
Employer contributions
$6,979,769 in plan year 2024 (23% of all contributions)
Recordkeeper
Mayflower Financial Advisors, Llc
Plan year
Jan 1, 2024 – Dec 31, 2024
Plan established
Jan 1, 2016
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 Jul 22, 2025. Public filing with the U.S. Department of Labor.

Money in and out in plan year 2024

  • $30.8 million went into the plan in contributions, $6.98 million of it from the employer (23%).
  • $7.36 million was paid out to participants.
  • Investment and other income added $19.9 million.
  • Administrative expenses were $66,314, about $60 per account.

How the Berkshire Hathaway Specialty Ins 401(k) changed, 20192024

Plan yearParticipantsPlan assetsEmployer contributionsBenefits paid
2019604$64.5 million$3.63 million$1.81 million
2020659$85.7 million$4.14 million$3.37 million
2021713$108.3 million$4.57 million$7.95 million
2022803$99.2 million$5.14 million$8.74 million
2023932$130.9 million$6.14 million$7.68 million
20241,047$174.1 million$6.98 million$7.36 million

Berkshire Hathaway Specialty Ins 401(k) Contact Information

Phone
617-936-2919
Mailing address
100 FEDERAL STREET, 7TH FLOOR, BOSTON MA 02110
Plan sponsor
BERKSHIRE HATHAWAY SPECIALTY INS
Employer identification number (EIN)
63-0202590
Plan number
001

Questions about the Berkshire Hathaway Specialty Ins 401(k)

Does Berkshire Hathaway Specialty Ins contribute to the 401(k)?

Yes. The plan reports an employer contribution arrangement. In plan year 2024 the employer contributed $6.98 million, 23% of all contributions.

Does the Berkshire Hathaway Specialty Ins 401(k) have automatic enrollment?

Yes. The plan reports automatic enrollment of eligible employees.

How many people are in the Berkshire Hathaway Specialty Ins 401(k) plan?

1,047 participants at the start of plan year 2024, 935 of them active employees, and 175 former employees who still had money in the plan.

What is the average 401(k) balance at Berkshire Hathaway Specialty Ins?

About $157,539 per account: $174.1 million in plan assets across 1,105 accounts with a balance at the end of plan year 2024.

Who manages the Berkshire Hathaway Specialty Ins 401(k) accounts?

Principal (listed on the filing as MAYFLOWER FINANCIAL ADVISORS, LLC) is the plan's recordkeeper, which is where participants log in to see their balance.

I no longer work at Berkshire Hathaway Specialty Ins. How do I access my 401(k)?

Your account stays with Principal 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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