401(k) · DOL Form 5500 · 2023

Igm Biosciences, Inc. 401(k) Plan

Data updated 2026-08-25

$15M
Total assets Small plan by assets
253
Participants Below avg headcount
67th
Percentile by assets National rank
$58,483
Avg per participant Low balance/head
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Official DOL plan name: Igm Biosciences, Inc. 401(k) Plan · Sponsored by Igm Biosciences, Inc. · California · Manufacturing

$15M in assets, 253 participants

Igm Biosciences, Inc.'s Igm Biosciences, Inc. 401(k) Plan reported $15M in total assets and 253 participants in its 2023 DOL Form 5500 filing, ranking in the 67th 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.

  • #10,359 in Manufacturing (18,722 peers)

Coverage in California

Igm Biosciences, Inc. 401(k) Plan covers 253 participants in California, about 40% of the average California filer (state average ~630 per filing). Assets: $15M.

#10,359
in Manufacturing (18,722 peers)
+104.1%
assets growth YoY

Igm Biosciences, Inc. 401(k) Plan's outsized position by total assets

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

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

$14,796,094 Top 33% higher than 67% 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

Igm 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. Igm Biosciences, Inc. 401(k) Plan sits mid-pack in the medium band (253 participants).

What changed between DOL Form 5500 filings

plan year 2022 → plan year 2023

  • Igm Biosciences, Inc. 401(k) Plan reported net income rose from $2M in the plan year 2022 filing to $8M in the plan year 2023 filing.
  • Igm Biosciences, Inc. 401(k) Plan end-of-year assets rose from $7M in the plan year 2022 filing to $15M in the plan year 2023 filing.
  • Igm Biosciences, Inc. 401(k) Plan reported participants rose from 179 in the plan year 2022 filing to 253 in the plan year 2023 filing.

See the national 2022→2023 release diff →

Form 5500 schedule snapshot

Filing strip 770349194 · Igm Biosciences, Inc. PY 2023 · 401(k)

Igm Biosciences, Inc. 401(k) Plan · $15M · 253 · 67th

  • EIN $15M
  • RANK 253
  • PHOTO 67th
  • IND 401(k)
  • EOY near Jedmed Instrument Company Employee Stock Ownership and Salary Deferral Plan
  • 5500 ind #10359

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 Manufacturing retirement plans → · Plans in California →

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

Igm Biosciences, Inc. 401(k) PlanIgm Biosciences, Inc. 401(k)…$15MJedmed Instrument Company Employee Stock Ownership and Salary Deferral PlanJedmed Instrument Company Em…$15MHematology Oncology, P.C. Retirement TrustHematology Oncology, P.C. Re…$15MMike Bass Ford, Inc. Profit Sharing Plan and TrustMike Bass Ford, Inc. Profit …$15MViking Inc. 401 K Profit Sharing PlanViking Inc. 401 K Profit Sha…$15M
End-of-year total assets ($M) among Igm Biosciences, Inc. 401(k) Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2023.

California filing particulars

Total Assets (Beginning of Year)$7M
Net Assets (End of Year)$15M
Net Income$8M
Employer EIN770349194
Plan Effective Date2018-01-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Igm Biosciences, Inc.)

Sponsor-wide plan assets over time

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

Latest sponsor-wide plan assets
$20M 174.04086478682046% vs 2022
2024 filing year
$5M$10M$15M$20M$25M 202220232024 $7.25M $19.9M ▲ +174.1%
Year Plans Participants Total Assets
2022 1 179 $7M
2023 1 253 $15M
2024 1 225 $20M

Nearby 401(k) Plans in California

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

Igm Biosciences, Inc. 401(k) Plan vs. nearby 401(k) plans in California, assets vs. participants Scatter plot of 6 data points. -50000050000100000150000200000250000 -200204060 Total assets ($B) Participants Igm Biosciences, Inc. 401(k) Plan, Total assets ($B): 0.014796094 · Participants: 253Igm Biosciences, Inc. 401(k) PlanWells Fargo & Company 401(k) Plan, Total assets ($B): 51.831350351 · Participants: 193919Wells Fargo & Company 401(k) PlanGoogle LLC 401(k) Savings Plan, Total assets ($B): 39.047152408 · Participants: 122867Google LLC 401(k) Savings PlanOracle Corporation 401(k) Savings and Investment Plan, Total assets ($B): 26.320437734 · Participants: 63105Oracle Corporation 401(k) Savings and Investment PlanIntel 401(k) Savings Plan, Total assets ($B): 22.17918189 · Participants: 59863Intel 401(k) Savings PlanApple 401(k) Plan, Total assets ($B): 19.779511539 · Participants: 106111Apple 401(k) Plan
Igm Biosciences, Inc. 401(k) Plan vs. nearby 401(k) plans in California, assets vs. participants

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

Outside California, the nearest 401(k) by assets is Jedmed Instrument Company Employee Stock Ownership and Salary Deferral Plan in MO ($15M); by covered participants it is Helm Group, Inc. 401(k) Plan in IL (253 participants). Same-state nearby plans are listed separately above.

Similar participant headcount

Nearest other-state filings by covered participants (253 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 Igm Biosciences, Inc. 401(k) Plan assets move in 2023?
Igm Biosciences, Inc. 401(k) Plan surged - up 104.1% during 2023, from $7M to $15M. Reported net income was $8M.
How have Igm Biosciences, Inc. plan assets changed over time?
Across 3 plan years on file (2022-2024), Igm Biosciences, Inc.'s sponsor-wide assets grew 174.0%, from $7M to $20M.
Which 401(k) plans are similar in size to Igm Biosciences, Inc. 401(k) Plan?
Among 401(k) plans in other states, the closest by assets is Jedmed Instrument Company Employee Stock Ownership and Salary Deferral Plan in MO ($15M, 33 participants).
Which 401(k) plans cover a similar participant headcount to Igm Biosciences, Inc. 401(k) Plan?
Among 401(k) plans in other states, the closest by covered participants is Helm Group, Inc. 401(k) Plan in IL (253 participants, $56M in assets).