401(k) · DOL Form 5500 · 2024
Synlogic Operating Company, Inc. 401(k) Plan
Data updated 2026-08-11
- $7M
- Total assets
- 58
- Participants
- 47th
- Percentile by assets
- $115,576
- Avg per participant
Official DOL plan name: Synlogic 401(k) Plan · Sponsored by Synlogic Operating Company, Inc. · Massachusetts · Professional & Technical Services
$7M in assets, 58 participants
Synlogic Operating Company, Inc.'s Synlogic 401(k) Plan reported $7M in total assets and 58 participants in its 2024 DOL Form 5500 filing, ranking in the 47th 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.
- 47th percentile by assets (of 123,622 plans)
- #9,194 in Professional & Technical Services (20,173 peers)
2024 asset change
Synlogic 401(k) Plan declined sharply 15.4% in 2024 ($8M → $7M) for 58 participants.
- $7M
- total plan assets (2024 EOY)
- 58
- covered participants
- 47th
- percentile by assets (of 123,622 plans)
- $115,576
- avg assets per participant
The plan reported a net loss of $1M for the year, a single-year figure driven by markets and benefit payments, not a measure of plan health.
Where Synlogic 401(k) Plan sits by total assets
Synlogic 401(k) Plan vs every filed plan by assets
End-of-year total assets · plan year 2024 · DOL Form 5500
$6,703,426 47th percentile higher than 47% 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
What changed between DOL Form 5500 filings
plan year 2023 → plan year 2024
- Synlogic 401(k) Plan reported net income fell from $2M in the plan year 2023 filing to -$1M in the plan year 2024 filing.
- Synlogic 401(k) Plan reported participants fell from 71 in the plan year 2023 filing to 58 in the plan year 2024 filing.
- Synlogic 401(k) Plan end-of-year assets fell from $8M in the plan year 2023 filing to $7M in the plan year 2024 filing.
2024 asset move for Synlogic 401(k) Plan
Year over year, total assets declined sharply from $8M at the start of 2024 to $7M at year-end (down 15.4%). Net assets closed at $7M; reported net income -$1M.
Synlogic Operating Company, Inc. years around the 2024 move
| Year | Plans | Participants | Total Assets |
|---|---|---|---|
| 2022 | 1 | 85 | $6M |
| 2023 | 1 | 71 | $8M |
| 2024 | 1 | 58 | $7M |
2024 asset-move particulars
| Total Assets (Beginning of Year) | $8M |
|---|---|
| Net Assets (End of Year) | $7M |
| Net Income | -$1M |
| Employer EIN | 465311566 |
| Plan Effective Date | 2014-04-17 |
| Filing Status | FILING RECEIVED |
Nearby 401(k) Plans in Massachusetts
Peer 401(k) plans, same state, same plan type, ranked by total assets.
- Fidelity Retirement Savings Plan $34.2B · 66,907
- Liberty Mutual 401(k) Plan $11.4B · 34,618
- Massachusetts Institute of Technology Supplemental 401(k) Plan $7.7B · 14,762
- Boston Scientific Corporation 401(k) Retirement Savings Plan $6.8B · 20,639
- State Street Salary Savings Program $6.5B · 12,777
Similar-Sized 401(k) Plans Nationally
401(k) plans in other states closest to Synlogic 401(k) Plan by total assets, not by location.
Frequently Asked Questions
How did Synlogic 401(k) Plan assets move in 2024? ▼
How have Synlogic Operating Company, Inc. plan assets changed over time? ▼
Which 401(k) plans are similar in size to Synlogic 401(k) Plan? ▼
Next read for Synlogic 401(k) Plan
2024 change
Ways to act on Synlogic 401(k) Plan's numbers.
- By total assets, Synlogic 401(k) Plan ranks in the lower half of filed plans by assets. See the largest plans
- Compare it side-by-side against 3 similar 401(k) plans in Massachusetts. Compare plans
- Synlogic Operating Company, Inc.'s sponsor-wide assets have grown 6.1% since 2022 across 3 plan years on file. More Professional & Technical Services plans