401(k) · DOL Form 5500 · 2024

Dyne Therapeutics, Inc. 401(k) Plan

Data updated 2026-08-25

$12M
Total assets Small plan by assets
135
Participants Small participant base
60th
Percentile by assets National rank
$90,877
Avg per participant Below avg balance/head
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Official DOL plan name: Dyne Therapeutics 401(k) Plan · Sponsored by Dyne Therapeutics, Inc. · Massachusetts · Professional & Technical Services

$12M in assets, 135 participants

Dyne Therapeutics, Inc.'s Dyne Therapeutics 401(k) Plan reported $12M in total assets and 135 participants in its 2024 DOL Form 5500 filing, ranking in the 60th 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.

  • #11,854 in Professional & Technical Services (20,173 peers)

Coverage in Massachusetts

Dyne Therapeutics 401(k) Plan covers 135 participants in Massachusetts, about 21% of the average Massachusetts filer (state average ~659 per filing). Assets: $12M.

#11,854
in Professional & Technical Services (20,173 peers)
+83.2%
assets growth YoY

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

Dyne Therapeutics 401(k) Plan vs every filed plan by assets

End-of-year total assets · plan year 2024 · DOL Form 5500

$12,268,332 Top 40% higher than 60% of 123,620 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 2024

Dyne Therapeutics 401(k) Plan among mid-size filed plans by headcount

Plan-year 2024 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Dyne Therapeutics 401(k) Plan sits mid-pack in the medium band (135 participants).

What changed between DOL Form 5500 filings

plan year 2023 → plan year 2024

  • Dyne Therapeutics 401(k) Plan end-of-year assets rose from $7M in the plan year 2023 filing to $12M in the plan year 2024 filing.
  • Dyne Therapeutics 401(k) Plan reported net income rose from $4M in the plan year 2023 filing to $6M in the plan year 2024 filing.
  • Dyne Therapeutics 401(k) Plan reported participants rose from 116 in the plan year 2023 filing to 135 in the plan year 2024 filing.

See the national 2023→2024 release diff →

DOL schedule card

Filing strip 364883909 · Dyne Therapeutics, Inc. PY 2024 · 401(k)

Dyne Therapeutics 401(k) Plan · $12M · 135 · 60th

  • VS-ST $12M
  • VS-ST 135
  • VS-ST 60th
  • VS-ST 401(k)
  • VS-ST near Pacific Healthcare Group LLC 401(k) Retirement Savings Plan
  • VS-ST ind #11854

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 →

Dyne Therapeutics 401(k) Plan in the asset neighbourhood

Dyne Therapeutics 401(k) Plan$12MPacific Healthcare Group LLC 401(k) Retirement Savings PlanPacific Healthcare Group LLC…$12MUrban Justice Center 401(k) Savings PlanUrban Justice Center 401(k) …$12MBelnick, Inc. Retirement TrustBelnick, Inc. Retirement Tru…$12MMeyer Distributing, Inc. Retirement PlanMeyer Distributing, Inc. Ret…$12M
End-of-year total assets ($M) among Dyne Therapeutics 401(k) Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2024.

Massachusetts filing particulars

Total Assets (Beginning of Year)$7M
Net Assets (End of Year)$12M
Net Income$6M
Employer EIN364883909
Plan Effective Date2018-01-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Dyne Therapeutics, Inc.)

Sponsor-wide plan assets over time

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

Latest sponsor-wide plan assets
$12M 83.15590522968515% vs 2023
2024 filing year
$6M$8M$10M$12M$14M 20232024 $6.7M $12.3M ▲ +83.1%
Year Plans Participants Total Assets
2023 1 116 $7M
2024 1 135 $12M

Nearby 401(k) Plans in Massachusetts

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

Dyne Therapeutics 401(k) Plan vs. nearby 401(k) plans in Massachusetts, assets vs. participants Scatter plot of 6 data points. -20000020000400006000080000 -10010203040 Total assets ($B) Participants Dyne Therapeutics 401(k) Plan, Total assets ($B): 0.012268332 · Participants: 135Dyne Therapeutics 401(k) PlanFidelity Retirement Savings Plan, Total assets ($B): 34.201609937 · Participants: 66907Fidelity Retirement Savings PlanLiberty Mutual 401(k) Plan, Total assets ($B): 11.352606499 · Participants: 34618Liberty Mutual 401(k) PlanMassachusetts Institute of Technology Supplemental 401(k) Plan, Total assets ($B): 7.720373045 · Participants: 14762Massachusetts Institute of Technology Supplemental 401(k) PlanBoston Scientific Corporation 401(k) Retirement Savings Plan, Total assets ($B): 6.775289067 · Participants: 20639Boston Scientific Corporation 401(k) Retirement Savings PlanState Street Salary Savings Program, Total assets ($B): 6.532301643 · Participants: 12777State Street Salary Savings Program
Dyne Therapeutics 401(k) Plan vs. nearby 401(k) plans in Massachusetts, assets vs. participants

Dyne Therapeutics 401(k) Plan's out-of-state 401(k) peers by assets and headcount

Outside Massachusetts, the nearest 401(k) by assets is Pacific Healthcare Group LLC 401(k) Retirement Savings Plan in HI ($12M); by covered participants it is Urovant Sciences, Inc. Savings Plan in CA (135 participants). Same-state nearby plans are listed separately above.

Similar participant headcount

Nearest other-state filings by covered participants (135 participants); asset peers above are excluded.

DOL Form 5500 plan year 2024. Asset totals can differ widely at the same headcount; neither axis is a quality rating.

Frequently Asked Questions

How did Dyne Therapeutics 401(k) Plan assets move in 2024?
Dyne Therapeutics 401(k) Plan surged - up 83.2% during 2024, from $7M to $12M. Reported net income was $6M.
How have Dyne Therapeutics, Inc. plan assets changed over time?
Across 2 plan years on file (2023-2024), Dyne Therapeutics, Inc.'s sponsor-wide assets grew 83.2%, from $7M to $12M.
Which 401(k) plans are similar in size to Dyne Therapeutics 401(k) Plan?
Among 401(k) plans in other states, the closest by assets is Pacific Healthcare Group LLC 401(k) Retirement Savings Plan in HI ($12M, 262 participants).
Which 401(k) plans cover a similar participant headcount to Dyne Therapeutics 401(k) Plan?
Among 401(k) plans in other states, the closest by covered participants is Urovant Sciences, Inc. Savings Plan in CA (135 participants, $20M in assets).