401(k) · DOL Form 5500 · 2024

Magenta Therapeutics, Inc. 401(k) Plan

Data updated 2026-08-25

$74K
Total assets Small plan by assets
6
Participants Small participant base
5th
Percentile by assets National rank
$12,272
Avg per participant Low balance/head
PlainRetire home → About this data RSS: change history

Official DOL plan name: Magenta Therapeutics, Inc. 401(k) Plan · Sponsored by Magenta Therapeutics, Inc. · Massachusetts · Professional & Technical Services

$74K in assets, 6 participants

Magenta Therapeutics, Inc.'s Magenta Therapeutics, Inc. 401(k) Plan reported $74K in total assets and 6 participants in its 2024 DOL Form 5500 filing, ranking in the 5th 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.

  • #872 in Professional & Technical Services (20,173 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 $74K / 6 participants.

#872
in Professional & Technical Services (20,173 peers)
-88.9%
assets change YoY

The plan reported a net loss of $587K 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 2024 · DOL Form 5500

$73,633 5th percentile higher than 5% 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

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

Plan-year 2024 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Magenta Therapeutics, Inc. 401(k) Plan is a micro filing (6 participants), the leftmost band.

What changed between DOL Form 5500 filings

plan year 2023 → plan year 2024

  • Magenta Therapeutics, Inc. 401(k) Plan reported participants fell from 67 in the plan year 2023 filing to 6 in the plan year 2024 filing.
  • Magenta Therapeutics, Inc. 401(k) Plan reported net income rose from -$6M in the plan year 2023 filing to -$587K in the plan year 2024 filing.
  • Magenta Therapeutics, Inc. 401(k) Plan end-of-year assets fell from $660K in the plan year 2023 filing to $74K in the plan year 2024 filing.

See the national 2023→2024 release diff →

Published 5500 schedule card

Filing strip 810724163 · Magenta Therapeutics, Inc. PY 2024 · 401(k)

Magenta Therapeutics, Inc. 401(k) Plan · $74K · 6 · 5th

  • BOY $74K
  • SCH 6
  • EBSA 5th
  • PART 401(k)
  • TYPE near Kld Entertainment, Inc 401(k) Plan
  • NET ind #872

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…$74KKld Entertainment, Inc 401(k) PlanKld Entertainment, Inc 401(k…$74KThe Mithoff Company, Inc. 401(k) Profit Sharing PlanThe Mithoff Company, Inc. 40…$74KEmera, Inc. 401(k) Plan$74KMariner Underwater Solutions Corporation 401(k) PlanMariner Underwater Solutions…$74K
End-of-year total assets ($M) among Magenta Therapeutics, Inc. 401(k) Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2024.

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 (2024)

Total Assets (Beginning of Year)$660K
Net Assets (End of Year)$74K
Net Income-$587K
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): 0.000073633 · Participants: 6Magenta Therapeutics, Inc. 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
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 Kld Entertainment, Inc 401(k) Plan in MI ($74K); by covered participants it is Caliche, Ltd 401(k) in TX (6 participants). Same-state nearby plans are listed separately above.

Similar participant headcount

Nearest other-state filings by covered participants (6 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 Magenta Therapeutics, Inc. 401(k) Plan assets move in 2024? ▼
Magenta Therapeutics, Inc. 401(k) Plan contracted severely - down 88.9% during 2024, from $660K to $74K. Reported net income was -$587K.
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 5th percentile by end-of-year assets among 123,622 plans that reported assets for plan year 2024 (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 Kld Entertainment, Inc 401(k) Plan in MI ($74K, 9 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 Caliche, Ltd 401(k) in TX (6 participants, N/A in assets).

Source: U.S. Department of Labor, Employee Benefits Security Administration (EBSA), Form 5500 public disclosure dataset. Plan year 2024.

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.