401(k) · DOL Form 5500 · 2023

Cogent Biosciences, Inc. 401(k) Plan

Data updated 2026-08-25

$11M
Total assets Small plan by assets
137
Participants Small participant base
62nd
Percentile by assets National rank
$83,925
Avg per participant Below avg balance/head
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Official DOL plan name: Cogent Biosciences, Inc. 401(k) Plan · Sponsored by Cogent Biosciences, Inc. · Massachusetts · Professional & Technical Services

$11M in assets, 137 participants

Cogent Biosciences, Inc.'s Cogent Biosciences, Inc. 401(k) Plan reported $11M in total assets and 137 participants in its 2023 DOL Form 5500 filing, ranking in the 62nd 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.

  • #12,302 in Professional & Technical Services (20,321 peers)

Coverage in Massachusetts

Cogent Biosciences, Inc. 401(k) Plan covers 137 participants in Massachusetts, about 21% of the average Massachusetts filer (state average ~659 per filing). Assets: $11M.

#12,302
in Professional & Technical Services (20,321 peers)
+90.7%
assets growth YoY

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

Cogent Biosciences, Inc. 401(k) Plan vs every filed plan by assets

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

$11,497,673 Top 38% higher than 62% 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

Cogent Biosciences, 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. Cogent Biosciences, Inc. 401(k) Plan sits mid-pack in the medium band (137 participants).

What changed between DOL Form 5500 filings

plan year 2022 → plan year 2023

  • Cogent Biosciences, Inc. 401(k) Plan reported net income rose from $2M in the plan year 2022 filing to $5M in the plan year 2023 filing.
  • Cogent Biosciences, Inc. 401(k) Plan end-of-year assets rose from $6M in the plan year 2022 filing to $11M in the plan year 2023 filing.
  • Cogent Biosciences, Inc. 401(k) Plan reported participants rose from 76 in the plan year 2022 filing to 137 in the plan year 2023 filing.

See the national 2022→2023 release diff →

DOL schedule card

Filing strip 465308248 · Cogent Biosciences, Inc. PY 2023 · 401(k)

Cogent Biosciences, Inc. 401(k) Plan · $11M · 137 · 62nd

  • VS-ST $11M
  • BOY 137
  • SCH 62nd
  • EBSA 401(k)
  • PART near Quotelab, LLC Dba Mediaalpha 401(k) Savings Plan
  • TYPE ind #12302

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 →

Cogent Biosciences, Inc. 401(k) Plan in the asset neighbourhood

Cogent Biosciences, Inc. 401(k) PlanCogent Biosciences, Inc. 401…$11MQuotelab, LLC Dba Mediaalpha 401(k) Savings PlanQuotelab, LLC Dba Mediaalpha…$11MWestern Products, Inc. 401(k) PlanWestern Products, Inc. 401(k…$11MRiverside Resort and Casino 401(k) PlanRiverside Resort and Casino …$11MTrevdan, Inc 401(k) Plan$11M
End-of-year total assets ($M) among Cogent Biosciences, 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)$6M
Net Assets (End of Year)$11M
Net Income$5M
Employer EIN465308248
Plan Effective Date2015-01-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Cogent Biosciences, Inc.)

Sponsor-wide plan assets over time

All Cogent Biosciences, Inc. plans reported in each filing year

Latest sponsor-wide plan assets
$18M 191.39743061003733% vs 2022
2024 filing year
$0M$5M$10M$15M$20M 202220232024 $6.03M $17.6M ▲ +191.4%
Year Plans Participants Total Assets
2022 1 76 $6M
2023 1 137 $11M
2024 1 164 $18M

Nearby 401(k) Plans in Massachusetts

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

Cogent Biosciences, Inc. 401(k) Plan vs. nearby 401(k) plans in Massachusetts, assets vs. participants Scatter plot of 6 data points. -20000020000400006000080000 -10010203040 Total assets ($B) Participants Cogent Biosciences, Inc. 401(k) Plan, Total assets ($B): 0.011497673 · Participants: 137Cogent Biosciences, 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
Cogent Biosciences, Inc. 401(k) Plan vs. nearby 401(k) plans in Massachusetts, assets vs. participants

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

Outside Massachusetts, the nearest 401(k) by assets is Quotelab, LLC Dba Mediaalpha 401(k) Savings Plan in CA ($11M); by covered participants it is Valley Perinatal Services in AZ (137 participants). Same-state nearby plans are listed separately above.

Closest by plan assets

Nearest other-state filings by tot_assets_eoy ($11M here).

Similar participant headcount

Nearest other-state filings by covered participants (137 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 Cogent Biosciences, Inc. 401(k) Plan assets move in 2023?
Cogent Biosciences, Inc. 401(k) Plan surged - up 90.7% during 2023, from $6M to $11M. Reported net income was $5M.
How have Cogent Biosciences, Inc. plan assets changed over time?
Across 3 plan years on file (2022-2024), Cogent Biosciences, Inc.'s sponsor-wide assets grew 191.4%, from $6M to $18M.
Which 401(k) plans are similar in size to Cogent Biosciences, Inc. 401(k) Plan?
Among 401(k) plans in other states, the closest by assets is Quotelab, LLC Dba Mediaalpha 401(k) Savings Plan in CA ($11M, 150 participants).
Which 401(k) plans cover a similar participant headcount to Cogent Biosciences, Inc. 401(k) Plan?
Among 401(k) plans in other states, the closest by covered participants is Valley Perinatal Services in AZ (137 participants, $2M in assets).