401(k) · DOL Form 5500 · 2023

Magenta Therapeutics, Inc. 401(k) Plan

Data updated 2026-08-25

$660K
Total assets Small plan by assets
67
Participants Small participant base
20th
Percentile by assets National rank
$9,857
Avg per participant Low balance/head
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Official DOL plan name: Magenta Therapeutics, Inc. 401(k) Plan · Sponsored by Magenta Therapeutics, Inc. · Massachusetts · Professional & Technical Services

$660K in assets, 67 participants

Magenta Therapeutics, Inc.'s Magenta Therapeutics, Inc. 401(k) Plan reported $660K in total assets and 67 participants in its 2023 DOL Form 5500 filing, ranking in the 20th 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.

  • #3,089 in Professional & Technical Services (20,321 peers)

Magenta Therapeutics, Inc. multi-year trail

Magenta Therapeutics, Inc.'s plans moved -98.8% in assets from 2022 to 2024; this filing shows Magenta Therapeutics, Inc. 401(k) Plan at $660K / 67 participants.

#3,089
in Professional & Technical Services (20,321 peers)
-89.7%
assets change YoY

The plan reported a net loss of $6M for the year, a single-year figure driven by markets and benefit payments, not a measure of plan health.

Magenta Therapeutics, Inc. 401(k) Plan among the smaller filed plans by assets

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

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

$660,416 20th percentile higher than 20% 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

Magenta Therapeutics, Inc. 401(k) Plan among smaller filed plans by headcount

Plan-year 2023 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Magenta Therapeutics, Inc. 401(k) Plan is a small filing (67 participants) on this national headcount ladder.

What changed between DOL Form 5500 filings

plan year 2022 → plan year 2023

  • Magenta Therapeutics, Inc. 401(k) Plan reported net income fell from $330K in the plan year 2022 filing to -$6M in the plan year 2023 filing.
  • Magenta Therapeutics, Inc. 401(k) Plan end-of-year assets fell from $6M in the plan year 2022 filing to $660K in the plan year 2023 filing.
  • Magenta Therapeutics, Inc. 401(k) Plan reported participants fell from 75 in the plan year 2022 filing to 67 in the plan year 2023 filing.

See the national 2022→2023 release diff →

Form 5500 schedule snapshot

Filing strip 810724163 · Magenta Therapeutics, Inc. PY 2023 · 401(k)

Magenta Therapeutics, Inc. 401(k) Plan · $660K · 67 · 20th

  • EOY $660K
  • 5500 67
  • ASSETS 20th
  • PCT 401(k)
  • EIN near Barron Business Enterprises, Inc. 401(k) Profit Sharing Plan
  • RANK ind #3089

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 →

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

Magenta Therapeutics, Inc. 401(k) PlanMagenta Therapeutics, Inc. 4…$660KBarron Business Enterprises, Inc. 401(k) Profit Sharing PlanBarron Business Enterprises,…$660KOffenburger Capital Management, LLC 401(k) PlanOffenburger Capital Manageme…$660KBatture, LLC Retirement Plan$660KAbc Coating 401(k) Plan$661K
End-of-year total assets ($M) among Magenta Therapeutics, Inc. 401(k) Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2023.

Magenta Therapeutics, Inc. multi-year asset trail

Sponsor-wide plan assets over time

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

Latest sponsor-wide plan assets
$74K 98.84648324884007% vs 2022
2024 filing year
$0M$2M$4M$6M$8M 202220232024 $6.38M $0.07M ▼ -98.9%
Year Plans Participants Total Assets
2022 1 75 $6M
2023 1 67 $660K
2024 2 12 $74K

Magenta Therapeutics, Inc. filing trail (2023)

Total Assets (Beginning of Year)$6M
Net Assets (End of Year)$660K
Net Income-$6M
Employer EIN810724163
Plan Effective Date2016-01-01
Filing StatusFILING RECEIVED

Nearby 401(k) Plans in Massachusetts

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

Magenta 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 ($B) Participants Magenta Therapeutics, Inc. 401(k) Plan, Total assets ($B): 0.000660416 · Participants: 67Magenta 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
Magenta Therapeutics, Inc. 401(k) Plan vs. nearby 401(k) plans in Massachusetts, assets vs. participants
Compare Magenta Therapeutics, Inc. 401(k) Plan side-by-side with 3 peers →

Magenta 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 Barron Business Enterprises, Inc. 401(k) Profit Sharing Plan in NC ($660K); by covered participants it is School Innovations & Achievement 401(k) Profit Sharing Plan in CA (67 participants). Same-state nearby plans are listed separately above.

Closest by plan assets

Nearest other-state filings by tot_assets_eoy ($660K here).

Similar participant headcount

Nearest other-state filings by covered participants (67 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 Magenta Therapeutics, Inc. 401(k) Plan assets move in 2023? ▼
Magenta Therapeutics, Inc. 401(k) Plan contracted severely - down 89.7% during 2023, from $6M to $660K. Reported net income was -$6M.
How have Magenta Therapeutics, Inc. plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), Magenta Therapeutics, Inc.'s sponsor-wide assets declined 98.8%, from $6M to $74K.
Where does Magenta Therapeutics, Inc. 401(k) Plan rank by assets among Form 5500 filers? ▼
Magenta Therapeutics, Inc. 401(k) Plan ranks in the 20th percentile by end-of-year assets among 127,072 plans that reported assets for plan year 2023 (among the smaller plans by assets on file).
Which 401(k) plans are similar in size to Magenta Therapeutics, Inc. 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by assets is Barron Business Enterprises, Inc. 401(k) Profit Sharing Plan in NC ($660K, 2 participants).
Which 401(k) plans cover a similar participant headcount to Magenta Therapeutics, Inc. 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by covered participants is School Innovations & Achievement 401(k) Profit Sharing Plan in CA (67 participants, N/A 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 810724163.

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.