Six Flags Entertainment Corporation 401(k) Plan: Login, Facts & Contact Information

Six Flags Entertainment Corporation 401(k) Plan Facts

Plan name
SIX FLAGS 401(K) PLAN
Plan type
401(k) with employer contributions and profit sharing
Plan sponsor
SIX FLAGS ENTERTAINMENT CORPORATION
Participants
7,852 (25,719 active employees)
Former employees with a balance
1,553
Plan assets
$176,483,380 at Dec 31, 2024
Average account balance
$58,477 across 3,018 accounts
Employer contributions
$1,631,767 in plan year 2024 (19% of all contributions)
Recordkeeper
Fidelity Investments Institutional
Plan year
Jan 1, 2024 – Dec 31, 2024
Plan established
Jul 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 15, 2025. Public filing with the U.S. Department of Labor.

Money in and out in plan year 2024

  • $8.75 million went into the plan in contributions, $1.63 million of it from the employer (19%).
  • $20.3 million was paid out to participants.
  • Investment and other income added $21.4 million.
  • Administrative expenses were $51,831, about $17 per account.

How the Six Flags Entertainment Corporation 401(k) changed, 2019–2024

Plan yearParticipantsPlan assetsEmployer contributionsBenefits paid
20196,324$194.3 million$4.17 million$14.7 million
20206,729$197.0 million$3.32 million$30.8 million
20217,307$213.5 million$3.56 million$27.4 million
20229,202$160.7 million$3.63 million$35.3 million
20237,134$166.8 million$2.94 million$29.8 million
20247,852$176.5 million$1.63 million$20.3 million

Six Flags Entertainment Corporation 401(k) Contact Information

Phone
972-595-5000
Mailing address
1000 BALLPARK WAY SUITE 400, ARLINGTON TX 76011
Plan sponsor
SIX FLAGS ENTERTAINMENT CORPORATION
Employer identification number (EIN)
13-3995059
Plan number
002

Questions about the Six Flags Entertainment Corporation 401(k)

Does Six Flags Entertainment Corporation contribute to the 401(k)?

Yes. The plan reports an employer contribution arrangement. In plan year 2024 the employer contributed $1.63 million, 19% of all contributions.

Does the Six Flags Entertainment Corporation 401(k) have automatic enrollment?

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

How many people are in the Six Flags Entertainment Corporation 401(k) plan?

7,852 participants at the start of plan year 2024, 25,719 of them active employees, and 1,553 former employees who still had money in the plan.

What is the average 401(k) balance at Six Flags Entertainment Corporation?

About $58,477 per account: $176.5 million in plan assets across 3,018 accounts with a balance at the end of plan year 2024.

Who manages the Six Flags Entertainment Corporation 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 Six Flags Entertainment Corporation. 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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