Thermo Fisher 401(k) Plan

Thermo Fisher offers an employer match through their 401(k) plan. The latest filing shows $533.4M in employer contributions versus $958.4M in employee deferrals (a 56% ratio), consistent with a competitive match program. The exact match formula may vary by plan and employment status. Contact Thermo Fisher HR or your plan administrator for the specific match formula applicable to your situation.

You can access your Thermo Fisher 401(k) account through the plan provider's participant portal. The plan serves 104,780 active participants. If you're a current or former employee, use the login link above or contact the plan administrator at the phone number listed on this page. First-time users will need to register using their Social Security number and date of birth.

For 2026, Thermo Fisher 401(k) participants can contribute up to $24,500 in employee deferrals. Participants aged 50+ can contribute an additional $8,000 in catch-up contributions (total $32,500). Those aged 60-63 can make super catch-up contributions of $11,250 (total $35,750). Currently, Thermo Fisher participants contribute an average of $9,147 per year in employee deferrals. Employer contributions are separate from these limits.

Many Thermo Fisher 401(k) plans offer loan provisions. As of the latest filing, Thermo Fisher participants had $199.1M in outstanding loans (averaging $1,901 across participants with active loans). The IRS limits 401(k) loans to the lesser of $50,000 or 50% of your vested balance. With an average account balance of $196K in the Thermo Fisher plan, the maximum potential loan amount for a fully vested participant would vary accordingly. Check with your plan administrator for specific loan terms.

When you leave Thermo Fisher, you have several options for your 401(k): keep it in the plan (if the balance is over $7,000), roll it over to a new employer's plan, roll it to an IRA, or take a cash distribution (subject to taxes and potential penalties). In the most recent filing year, the plan processed $2.0B in distributions to departing or retired participants. Employer match contributions may be subject to a vesting schedule.

According to the most recent Form 5500 filing, the Thermo Fisher 401(k) plan has 104,780 active participants managing $20.5B in plan assets. The average account balance is $196K per participant, and the plan was originally established on N/A.

Many major employers, including Thermo Fisher, offer both traditional pre-tax and Roth after-tax 401(k) contribution options. Given that Thermo Fisher participants average $9,147 in annual deferrals, choosing between Roth and traditional depends on whether you expect your tax bracket to be higher or lower in retirement. Contact the Thermo Fisher plan administrator for availability.

The Thermo Fisher 401(k) plan typically offers a range of investment options including target-date funds, index funds, actively managed funds, and potentially company stock. The plan generated $4.2B in total investment income during the last filing year. Log into your account to see current investment options and performance.

Thermo Fisher (TMO) may offer company stock as an investment option within the 401(k) plan. Be mindful of concentration risk — financial advisors typically recommend limiting company stock to no more than 10-15% of your portfolio, especially given that your employment income already depends on Thermo Fisher's performance.