401(k) · DOL Form 5500 · 2024
Gritstone Bio, Inc. 401(k) Plan
Data updated 2026-08-25
- $17M
- Total assets Small plan by assets
- 237
- Participants Below avg headcount
- 68th
- Percentile by assets National rank
- $73,816
- Avg per participant Below avg balance/head
Official DOL plan name: Gritstone Bio 401(k) Plan · Sponsored by Gritstone Bio, Inc. · California · Manufacturing
$17M in assets, 237 participants
Gritstone Bio, Inc.'s Gritstone Bio 401(k) Plan reported $17M in total assets and 237 participants in its 2024 DOL Form 5500 filing, ranking in the 68th 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.
- #10,026 in Manufacturing (17,777 peers)
Coverage in California
Gritstone Bio 401(k) Plan covers 237 participants in California, about 38% of the average California filer (state average ~630 per filing). Assets: $17M.
- #10,026
- in Manufacturing (17,777 peers)
- +5.0%
- assets growth YoY
Gritstone Bio 401(k) Plan's outsized position by total assets
Gritstone Bio 401(k) Plan vs every filed plan by assets
End-of-year total assets · plan year 2024 · DOL Form 5500
$17,494,463 Top 32% higher than 68% of 123,620 filed plans
Dashed line + filled bar = this entry, among filed plans.
Source U.S. Department of Labor Form 5500 filings (EBSA) · plan year 2024
Gritstone Bio 401(k) Plan 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. Gritstone Bio 401(k) Plan sits mid-pack in the medium band (237 participants).
What changed between DOL Form 5500 filings
plan year 2023 → plan year 2024
- Gritstone Bio 401(k) Plan reported net income fell from $6M in the plan year 2023 filing to $828K in the plan year 2024 filing.
- Gritstone Bio 401(k) Plan end-of-year assets rose from $17M in the plan year 2023 filing to $17M in the plan year 2024 filing.
- Gritstone Bio 401(k) Plan reported participants rose from 227 in the plan year 2023 filing to 237 in the plan year 2024 filing.
EBSA filing schedule strip
Filing strip 474859534 · Gritstone Bio, Inc. PY 2024 · 401(k)
Gritstone Bio 401(k) Plan · $17M · 237 · 68th
- BOOK $17M
- VS-ST 237
- BOY 68th
- SCH 401(k)
- EBSA near Parker Plastics, Inc. 401(k) Profit Sharing Plan
- PART ind #10026
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 →
Gritstone Bio 401(k) Plan in the asset neighbourhood
California filing particulars
| Total Assets (Beginning of Year) | $17M |
|---|---|
| Net Assets (End of Year) | $17M |
| Net Income | $828K |
| Employer EIN | 474859534 |
| Plan Effective Date | 2022-07-01 |
| Filing Status | FILING RECEIVED |
Sponsor Plan History (Gritstone Bio, Inc.)
Sponsor-wide plan assets over time
All Gritstone Bio, Inc. plans reported in each filing year
- Latest sponsor-wide plan assets
- $17M 62.08187706858771% vs 2022
- 2024 filing year
| Year | Plans | Participants | Total Assets |
|---|---|---|---|
| 2022 | 1 | 198 | $11M |
| 2023 | 1 | 227 | $17M |
| 2024 | 1 | 237 | $17M |
Nearby 401(k) Plans in California
Peer 401(k) plans, same state, same plan type, ranked by total assets.
- Google LLC 401(k) Savings Plan $48.7B · 116,712
- Oracle Corporation 401(k) Savings and Investment Plan $31.0B · 58,962
- Intel 401(k) Savings Plan $24.9B · 55,298
- Apple 401(k) Plan $24.7B · 101,450
- Cisco Systems,Inc. 401(k) Plan $22.7B · 40,452
Gritstone Bio 401(k) Plan's out-of-state 401(k) peers by assets and headcount
Outside California, the nearest 401(k) by assets is Parker Plastics, Inc. 401(k) Profit Sharing Plan in WI ($17M); by covered participants it is Mesa Global 401(k) Retirement Plan in NC (237 participants). Same-state nearby plans are listed separately above.
Closest by plan assets
Nearest other-state filings by tot_assets_eoy ($17M here).
- Parker Plastics, Inc. 401(k) Profit Sharing Plan (WI) $17M · 289
- Neighborhood Health Center 401(k) Plan (OR) $17M · 232
- St. Joseph's Hospital 401(k) (NY) $17M · 369
- Atlas Medstaff 401(k) and Ps Plan (NE) $17M · 777
Similar participant headcount
Nearest other-state filings by covered participants (237 participants); asset peers above are excluded.
- Mesa Global 401(k) Retirement Plan (NC) 237 · 0 off
- Trax 401(k) Plan (MA) 237 · 0 off
- Dellbrook Construction 401(k) Retirement Plan (MA) 237 · 0 off
- Tague Lumber, Inc. 401(k) Profit Sharing Plan (PA) 237 · 0 off
DOL Form 5500 plan year 2024. Asset totals can differ widely at the same headcount; neither axis is a quality rating.