401(k) · DOL Form 5500 · 2024

T2 Biosystems, Inc 401(k) Plan

Data updated 2026-08-25

$10M
Total assets Small plan by assets
102
Participants Small participant base
56th
Percentile by assets National rank
$97,892
Avg per participant Below avg balance/head
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Official DOL plan name: T2 Biosystems, Inc 401(k) Profit Sharing Plan and Trust · Sponsored by T2 Biosystems, Inc · Massachusetts · Healthcare & Social Assistance

$10M in assets, 102 participants

T2 Biosystems, Inc's T2 Biosystems, Inc 401(k) Profit Sharing Plan and Trust reported $10M in total assets and 102 participants in its 2024 DOL Form 5500 filing, ranking in the 56th 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.

  • #10,349 in Healthcare & Social Assistance (16,916 peers)

Coverage in Massachusetts

T2 Biosystems, Inc 401(k) Profit Sharing Plan and Trust covers 102 participants in Massachusetts, about 15% of the average Massachusetts filer (state average ~659 per filing). Assets: $10M.

#10,349
in Healthcare & Social Assistance (16,916 peers)
+6.5%
assets growth YoY

T2 Biosystems, Inc 401(k) Profit Sharing Plan and Trust's mid-pack asset rank among Healthcare & Social Assistance and all filers

T2 Biosystems, Inc 401(k) Profit Sharing Plan and Trust vs every filed plan by assets

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

$9,985,011 Top 44% higher than 56% 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

T2 Biosystems, Inc 401(k) Profit Sharing Plan and Trust 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. T2 Biosystems, Inc 401(k) Profit Sharing Plan and Trust sits mid-pack in the medium band (102 participants).

What changed between DOL Form 5500 filings

plan year 2023 → plan year 2024

  • T2 Biosystems, Inc 401(k) Profit Sharing Plan and Trust reported participants fell from 153 in the plan year 2023 filing to 102 in the plan year 2024 filing.
  • T2 Biosystems, Inc 401(k) Profit Sharing Plan and Trust reported net income rose from $539K in the plan year 2023 filing to $607K in the plan year 2024 filing.
  • T2 Biosystems, Inc 401(k) Profit Sharing Plan and Trust end-of-year assets rose from $9M in the plan year 2023 filing to $10M in the plan year 2024 filing.

See the national 2023→2024 release diff →

EBSA filing schedule strip

Filing strip 204827488 · T2 Biosystems, Inc PY 2024 · 401(k)

T2 Biosystems, Inc 401(k) Profit Sharing Plan and Trust · $10M · 102 · 56th

  • RANK $10M
  • RANK 102
  • RANK 56th
  • RANK 401(k)
  • RANK near Turf Star, Inc. 401(k) Plan
  • RANK ind #10349

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 Healthcare & Social Assistance retirement plans → · Plans in Massachusetts →

T2 Biosystems, Inc 401(k) Profit Sharing Plan and Trust in the asset neighbourhood

T2 Biosystems, Inc 401(k) Profit Sharing Plan and TrustT2 Biosystems, Inc 401(k) Pr…$10MAeronet, Inc. 401(k) Plan$10MTurf Star, Inc. 401(k) Plan$10MSrc Money Purchase Pension PlanSrc Money Purchase Pension P…$10MKirk Eye Center, S.C. 401(k) Profit Sharing PlanKirk Eye Center, S.C. 401(k)…$10M
End-of-year total assets ($M) among T2 Biosystems, Inc 401(k) Profit Sharing Plan and Trust and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2024.

Massachusetts filing particulars

Total Assets (Beginning of Year)$9M
Net Assets (End of Year)$10M
Net Income$607K
Employer EIN204827488
Plan Effective Date2008-01-01
Filing StatusFILING RECEIVED

Sponsor Plan History (T2 Biosystems, Inc)

Sponsor-wide plan assets over time

All T2 Biosystems, Inc plans reported in each filing year

Latest sponsor-wide plan assets
$10M 12.963832833170535% vs 2022
2024 filing year
$8.5M$9M$9.5M$10M$10.5M 202220232024 $8.84M $9.99M ▲ +13.0%
Year Plans Participants Total Assets
2022 1 176 $9M
2023 1 153 $9M
2024 1 102 $10M

Nearby 401(k) Plans in Massachusetts

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

T2 Biosystems, Inc 401(k) Profit Sharing Plan and Trust vs. nearby 401(k) plans in Massachusetts, assets vs. participants Scatter plot of 6 data points. -20000020000400006000080000 -10010203040 Total assets ($B) Participants T2 Biosystems, Inc 401(k) Profit Sharing Plan and Trust, Total assets ($B): 0.009985011 · Participants: 102T2 Biosystems, Inc 401(k) Profit Sharing Plan and TrustFidelity 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
T2 Biosystems, Inc 401(k) Profit Sharing Plan and Trust vs. nearby 401(k) plans in Massachusetts, assets vs. participants
Compare T2 Biosystems, Inc 401(k) Profit Sharing Plan and Trust side-by-side with 3 peers →

T2 Biosystems, Inc 401(k) Profit Sharing Plan and Trust's out-of-state 401(k) peers by assets and headcount

Outside Massachusetts, the nearest 401(k) by assets is Turf Star, Inc. 401(k) Plan in CA ($10M); by covered participants it is Paige Electric Co., L.P. 401(k) Profit Sharing Plan in NJ (102 participants). Same-state nearby plans are listed separately above.

Closest by plan assets

Nearest other-state filings by tot_assets_eoy ($10M here).

Similar participant headcount

Nearest other-state filings by covered participants (102 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 T2 Biosystems, Inc 401(k) Profit Sharing Plan and Trust assets move in 2024? ▼
T2 Biosystems, Inc 401(k) Profit Sharing Plan and Trust grew at a solid clip - up 6.5% during 2024, from $9M to $10M. Reported net income was $607K.
How have T2 Biosystems, Inc plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), T2 Biosystems, Inc's sponsor-wide assets grew 13.0%, from $9M to $10M.
Which 401(k) plans are similar in size to T2 Biosystems, Inc 401(k) Profit Sharing Plan and Trust? ▼
Among 401(k) plans in other states, the closest by assets is Turf Star, Inc. 401(k) Plan in CA ($10M, 151 participants).
Which 401(k) plans cover a similar participant headcount to T2 Biosystems, Inc 401(k) Profit Sharing Plan and Trust? ▼
Among 401(k) plans in other states, the closest by covered participants is Paige Electric Co., L.P. 401(k) Profit Sharing Plan in NJ (102 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 204827488.

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.