401(k) · DOL Form 5500 · 2023

Omega Therapeutics, Inc. 401(k) Plan

Data updated 2026-08-25

$10M
Total assets Small plan by assets
116
Participants Small participant base
58th
Percentile by assets National rank
$85,217
Avg per participant Below avg balance/head
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Official DOL plan name: Omega Therapeutics, Inc. 401(k) Plan · Sponsored by Omega Therapeutics, Inc. · Massachusetts · Professional & Technical Services

$10M in assets, 116 participants

Omega Therapeutics, Inc.'s Omega Therapeutics, Inc. 401(k) Plan reported $10M in total assets and 116 participants in its 2023 DOL Form 5500 filing, ranking in the 58th 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.

  • #11,562 in Professional & Technical Services (20,321 peers)

Coverage in Massachusetts

Omega Therapeutics, Inc. 401(k) Plan covers 116 participants in Massachusetts, about 18% of the average Massachusetts filer (state average ~659 per filing). Assets: $10M.

#11,562
in Professional & Technical Services (20,321 peers)
+111.1%
assets growth YoY

Omega Therapeutics, Inc. 401(k) Plan's mid-pack asset rank among Professional & Technical Services and all filers

Omega Therapeutics, Inc. 401(k) Plan vs every filed plan by assets

End-of-year total assets · plan year 2023 · DOL Form 5500

$9,885,218 Top 42% higher than 58% of 127,068 filed plans

This plan $0 $2,050,000,000 every filed plan with reported assets, bucketed by value

Dashed line + filled bar = this entry, among filed plans.

Source U.S. Department of Labor Form 5500 filings (EBSA) · plan year 2023

Omega Therapeutics, Inc. 401(k) Plan among mid-size filed plans by headcount

Plan-year 2023 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Omega Therapeutics, Inc. 401(k) Plan sits mid-pack in the medium band (116 participants).

What changed between DOL Form 5500 filings

plan year 2022 → plan year 2023

  • Omega Therapeutics, Inc. 401(k) Plan end-of-year assets rose from $5M in the plan year 2022 filing to $10M in the plan year 2023 filing.
  • Omega Therapeutics, Inc. 401(k) Plan reported net income rose from $2M in the plan year 2022 filing to $5M in the plan year 2023 filing.
  • Omega Therapeutics, Inc. 401(k) Plan reported participants rose from 72 in the plan year 2022 filing to 116 in the plan year 2023 filing.

See the national 2022→2023 release diff →

Plan-year Form 5500 strip

Filing strip 813247585 · Omega Therapeutics, Inc. PY 2023 · 401(k)

Omega Therapeutics, Inc. 401(k) Plan · $10M · 116 · 58th

  • TYPE $10M
  • TYPE 116
  • TYPE 58th
  • TYPE 401(k)
  • TYPE near C.S.S. Retirement Savings Plan
  • TYPE ind #11562

Stamps derive from this plan's Form 5500 line items (assets, participants, type, EIN, cohort placement) - not a quality rating of the sponsor. Read with Professional & Technical Services retirement plans → · Plans in Massachusetts →

Omega Therapeutics, Inc. 401(k) Plan in the asset neighbourhood

Omega Therapeutics, Inc. 401(k) PlanOmega Therapeutics, Inc. 401…$10MC.S.S. Retirement Savings PlanC.S.S. Retirement Savings Pl…$10MStratus Solutions 401(k) Retirement Savings PlanStratus Solutions 401(k) Ret…$10MGolden Key Group 401(k) Plan$10MHome Paramount Pest Control Company Employees Retirement Savings PlanHome Paramount Pest Control …$10M
End-of-year total assets ($M) among Omega Therapeutics, Inc. 401(k) Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2023.

Massachusetts filing particulars

Total Assets (Beginning of Year)$5M
Net Assets (End of Year)$10M
Net Income$5M
Employer EIN813247585
Plan Effective Date2018-01-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Omega Therapeutics, Inc.)

Sponsor-wide plan assets over time

All Omega Therapeutics, Inc. plans reported in each filing year

Latest sponsor-wide plan assets
$12M 151.1101704345107% vs 2022
2024 filing year
$0M$5M$10M$15M 202220232024 $4.68M $11.8M ▲ +151.3%
Year Plans Participants Total Assets
2022 1 72 $5M
2023 1 116 $10M
2024 1 91 $12M

Nearby 401(k) Plans in Massachusetts

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

Omega Therapeutics, Inc. 401(k) Plan vs. nearby 401(k) plans in Massachusetts, assets vs. participants Scatter plot of 6 data points. -20000020000400006000080000 -10010203040 Total assets ($B) Participants Omega Therapeutics, Inc. 401(k) Plan, Total assets ($B): 0.009885218 · Participants: 116Omega Therapeutics, Inc. 401(k) PlanFidelity Retirement Savings Plan, Total assets ($B): 28.649852331 · Participants: 62289Fidelity Retirement Savings PlanLiberty Mutual 401(k) Plan, Total assets ($B): 10.556596852 · Participants: 37052Liberty Mutual 401(k) PlanMassachusetts Institute of Technology Supplemental 401(k) Plan, Total assets ($B): 6.829912863 · Participants: 14094Massachusetts Institute of Technology Supplemental 401(k) PlanBoston Scientific Corporation 401(k) Retirement Savings Plan, Total assets ($B): 5.786107181 · Participants: 19881Boston Scientific Corporation 401(k) Retirement Savings PlanPhilips North America 401(k) Plan, Total assets ($B): 5.779286156 · Participants: 19120Philips North America 401(k) Plan
Omega Therapeutics, Inc. 401(k) Plan vs. nearby 401(k) plans in Massachusetts, assets vs. participants
Compare Omega Therapeutics, Inc. 401(k) Plan side-by-side with 3 peers →

Omega Therapeutics, Inc. 401(k) Plan's out-of-state 401(k) peers by assets and headcount

Outside Massachusetts, the nearest 401(k) by assets is C.S.S. Retirement Savings Plan in OH ($10M); by covered participants it is Wilson Fire Equipment & Service Co., Inc. 401(k) Employee Savings Plan in TX (116 participants). Same-state nearby plans are listed separately above.

Similar participant headcount

Nearest other-state filings by covered participants (116 participants); asset peers above are excluded.

DOL Form 5500 plan year 2023. Asset totals can differ widely at the same headcount; neither axis is a quality rating.

Frequently Asked Questions

How did Omega Therapeutics, Inc. 401(k) Plan assets move in 2023? ▼
Omega Therapeutics, Inc. 401(k) Plan surged - up 111.1% during 2023, from $5M to $10M. Reported net income was $5M.
How have Omega Therapeutics, Inc. plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), Omega Therapeutics, Inc.'s sponsor-wide assets grew 151.1%, from $5M to $12M.
Which 401(k) plans are similar in size to Omega Therapeutics, Inc. 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by assets is C.S.S. Retirement Savings Plan in OH ($10M, 881 participants).
Which 401(k) plans cover a similar participant headcount to Omega Therapeutics, Inc. 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by covered participants is Wilson Fire Equipment & Service Co., Inc. 401(k) Employee Savings Plan in TX (116 participants, $8M in assets).

Source: U.S. Department of Labor, Employee Benefits Security Administration (EBSA), Form 5500 public disclosure dataset. Plan year 2023.

Source: DOL EFAST2 filing system (efast.dol.gov) - original filing retrieval by EIN 813247585.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from U.S. Department of Labor Form 5500 filings (EBSA). See our methodology for details.