Find an old Alfred E. Mann Foundation for Scientific Research 401(k)
Mann Partners 401(k) Retirement Plan
Alfred E. Mann Foundation for Scientific Research · Plan 002 · EIN 95-4002032 · Santa Clarita, CA
| Plan administrator | Alfred E. Mann Foundation for Scientific Research 25134 Rye Canyon Loop, Suite 200, Santa Clarita, CA 91355 | Form 5500 ↗ |
| Recordkeeper (who holds the accounts) | Fidelity Investments Institutional | Schedule C ↗ |
| Former employees with balances | 52 separated participants still had money in the plan | Form 5500 ↗ |
Alfred E. Mann Foundation for Scientific Research 401(k) match, vesting and fees →
Found it? Your options
| Leave it | Often allowed if your balance is over $7,000. You keep the plan's investments and fees. |
| Move it to your new job's plan | If the new plan accepts roll-ins. Ask the new plan's recordkeeper. |
| Roll it into an IRA | More investment choices, and you control it. A direct rollover avoids withholding and penalties. |
| Cash out | Usually taxed, plus a 10% penalty if you are under 59½. |
General information, not financial or tax advice. Rules depend on your plan and situation.
How to track down the account
- Call the plan administrator or recordkeeper listed on the filing. Have your name, Social Security number and dates of employment ready.
- If the plan terminated, ask the administrator where balances went (another plan, an IRA provider, or a state unclaimed-property office).
- Over 65? Also check the Department of Labor's Retirement Savings Lost and Found database.
Common questions
How do I find my old Alfred E. Mann Foundation for Scientific Research 401(k)?
Contact the plan administrator listed on the plan's Form 5500 filing: Alfred E. Mann Foundation for Scientific Research, (661) 702-6700. The accounts are held by the recordkeeper, Fidelity Investments Institutional. Have your Social Security number and dates of employment ready.
What is the Alfred E. Mann Foundation for Scientific Research 401(k) phone number?
The plan administrator phone number on the plan year 2025 filing is (661) 702-6700.
Contacts are as filed on each plan's latest Form 5500 and may be out of date. PlanFacts is not affiliated with Alfred E. Mann Foundation for Scientific Research and does not hold accounts. Not financial advice. Report a correction