401(k) · DOL Form 5500 · 2024

American Tower Corporation 401(k) Plan

Data updated 2026-08-11

$523M
Total assets
1,913
Participants
97th
Percentile by assets
$273,287
Avg per participant
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Official DOL plan name: American Tower Retirement Savings Plan · Sponsored by American Tower Corporation · Massachusetts · Real Estate

$523M in assets, 1,913 participants

American Tower Corporation's American Tower Retirement Savings Plan reported $523M in total assets and 1,913 participants in its 2024 DOL Form 5500 filing, ranking in the 97th percentile by assets among filed plans. Figures are as reported by the plan sponsor to the Department of Labor, not audited or endorsed by PlainRetire.

  • 97th percentile by assets (of 123,622 plans)
  • #4,582 in Real Estate (4,605 peers)

Coverage in Massachusetts

American Tower Retirement Savings Plan covers 1,913 participants in Massachusetts, 2.9x the typical Massachusetts plan (state average ~659 per filing). Assets: $523M.

$523M
total plan assets (2024 EOY)
1,913
covered participants
97th
percentile by assets (of 123,622 plans)
$273,287
avg assets per participant

What changed between DOL Form 5500 filings

plan year 2023 → plan year 2024

  • American Tower Retirement Savings Plan end-of-year assets rose from $376M in the plan year 2023 filing to $523M in the plan year 2024 filing.
  • American Tower Retirement Savings Plan reported net income rose from $75M in the plan year 2023 filing to $85M in the plan year 2024 filing.

See the national 2023→2024 release diff →

Industry

Participants vs Massachusetts filers

In Massachusetts, the average filing covers about 659 participants across 4,265 plans. American Tower Retirement Savings Plan reports 1,913 participants - 2.9x that state average ($523M EOY assets).

Massachusetts filing particulars

Total Assets (Beginning of Year)$376M
Net Assets (End of Year)$523M
Net Income$85M
Employer EIN650723837
Plan Effective Date1998-07-01
Filing StatusFILING RECEIVED

Sponsor Plan History (American Tower Corporation)

$200M$300M$400M$500M$600M 202220232024 $301M $523M ▲ +73.5%
Total plan assets by year, all American Tower Corporation plans on file
Year Plans Participants Total Assets
2022 1 1,839 $301M
2023 1 1,910 $376M
2024 1 1,913 $523M

Nearby 401(k) Plans in Massachusetts

Peer 401(k) plans, same state, same plan type, ranked by total assets.

American Tower Retirement Savings Plan vs. nearby 401(k) plans in Massachusetts, assets vs. participants

American Tower Retirement Savings Plan vs. nearby 401(k) plans in Massachusetts, assets vs. participants Scatter plot of 6 data points. -20000020000400006000080000 -10010203040 Total assets ($B) Participants American Tower Retir…Fidelity Retirement …Liberty Mutual 401(k…Massachusetts Instit…Boston Scientific Co…State Street Salary …
American Tower Retirement Savings Plan vs. nearby 401(k) plans in Massachusetts, assets vs. participants

Similar-Sized 401(k) Plans Nationally

401(k) plans in other states closest to American Tower Retirement Savings Plan by total assets, not by location.

Frequently Asked Questions

How did American Tower Retirement Savings Plan assets move in 2024?
American Tower Retirement Savings Plan surged - up 39.1% during 2024, from $376M to $523M. Reported net income was $85M.
How have American Tower Corporation plan assets changed over time?
Across 3 plan years on file (2022-2024), American Tower Corporation's sponsor-wide assets grew 73.5%, from $301M to $523M.
Where does American Tower Retirement Savings Plan rank by assets among Form 5500 filers?
American Tower Retirement Savings Plan ranks in the 97th percentile by end-of-year assets among 123,622 plans that reported assets for plan year 2024 (in the top 5% of all filed plans by assets).
Which 401(k) plans are similar in size to American Tower Retirement Savings Plan?
Among 401(k) plans in other states, the closest by assets is The Christ Hospital 403(b) Retirement Savings Plan in OH ($522M, 7,617 participants).

Next read for American Tower Retirement Savings Plan

Filing takeaways

Ways to act on American Tower Retirement Savings Plan's numbers.

  • By total assets, American Tower Retirement Savings Plan ranks in the top 5% of all filed plans by assets. See the largest plans
  • Compare it side-by-side against 3 similar 401(k) plans in Massachusetts. Compare plans
  • American Tower Corporation's sponsor-wide assets have grown 73.5% since 2022 across 3 plan years on file. More Real Estate plans