401(k) · DOL Form 5500 · 2024

Cyclerion Therapeutics, Inc. 401(k) Plan

Data updated 2026-08-25

$19M
Total assets Small plan by assets: N/A
Participants Small participant base: 70th
Percentile by assets National rank

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Official DOL plan name: Cyclerion Therapeutics, Inc. 401(k) Savings Plan · Sponsored by Cyclerion Therapeutics, Inc. · Massachusetts · Manufacturing

$19M in assets, N/A participants

Cyclerion Therapeutics, Inc.'s Cyclerion Therapeutics, Inc. 401(k) Savings Plan reported $19M in total assets and N/A participants in its 2024 DOL Form 5500 filing, ranking in the 70th 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.

#10,516 in Manufacturing (17,777 peers)

Cyclerion Therapeutics, Inc. multi-year trail

Cyclerion Therapeutics, Inc.'s plans moved -15.1% in assets from 2022 to 2024; this filing shows Cyclerion Therapeutics, Inc. 401(k) Savings Plan at $19M / N/A participants.

#10,516
in Manufacturing (17,777 peers): -5.8%
assets change YoY

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.

Cyclerion Therapeutics, Inc. 401(k) Savings Plan's outsized position by total assets

Cyclerion Therapeutics, Inc. 401(k) Savings Plan vs every filed plan by assets

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

$19,491,435 Top 30% higher than 70% 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

Filed plans by participant headcount

Plan-year 2024 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets.

Micro (1-10) 33,766 filings (27%) Small (11-100) 26,107 filings (21%) Medium (101-1,000) 54,251 filings (43%) Large (1,001-10,000) 10,349 filings (8%) Mega (10,000+) 1,399 filings (1%)

Cyclerion Therapeutics, Inc. 401(k) Savings Plan reported participants fell from 16 in the plan year 2023 filing to N/A in the plan year 2024 filing.
Cyclerion Therapeutics, Inc. 401(k) Savings Plan reported net income rose from -$2M in the plan year 2023 filing to -$1M in the plan year 2024 filing.
Cyclerion Therapeutics, Inc. 401(k) Savings Plan end-of-year assets fell from $21M in the plan year 2023 filing to $19M in the plan year 2024 filing.

See the national 2023→2024 release diff →

Form 5500 schedule snapshot

Filing strip 831895370 · Cyclerion Therapeutics, Inc. PY 2024 · 401(k)

Cyclerion Therapeutics, Inc. 401(k) Savings Plan · $19M · N/A · 70th

BOY $19M
SCH N/A
EBSA 70th
PART 401(k)
TYPE near Wynalda Litho, Inc. Retirement Savings Plan
NET ind #10516

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 Massachusetts →

End-of-year total assets ($M) among Cyclerion Therapeutics, Inc. 401(k) Savings Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2024.

Cyclerion Therapeutics, Inc. multi-year asset trail

Latest sponsor-wide plan assets: $19M 15.144595110833938% vs 2022; 2024 filing year

Year	Plans	Participants	Total Assets
2022	1	31	$23M
2023	1	16	$21M
2024	1	N/A	$19M

Cyclerion Therapeutics, Inc. filing trail (2024)

Total Assets (Beginning of Year)	$21M
Net Assets (End of Year)	$19M
Net Income	-$1M
Employer EIN	831895370
Plan Effective Date	2019-04-01
Filing Status	FILING RECEIVED

Nearby 401(k) Plans in Massachusetts

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

Cyclerion Therapeutics, Inc. 401(k) Savings Plan vs. nearby 401(k) plans in Massachusetts, assets vs. participants

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

Compare Cyclerion Therapeutics, Inc. 401(k) Savings Plan side-by-side with 3 peers →

Cyclerion Therapeutics, Inc. 401(k) Savings Plan's closest out-of-state 401(k) peers by assets

Outside Massachusetts, the nearest 401(k) by end-of-year assets is Wynalda Litho, Inc. Retirement Savings Plan in MI at $19M (this filing: $19M).

Closest by plan assets

Nearest other-state filings by tot_assets_eoy ($19M here).

Wynalda Litho, Inc. Retirement Savings Plan (MI) $19M · 160
Clayton Foundation for Research Employees' 401(k) (TX) $19M · 49
Calvert Systems Engineering, Inc 401(k) Plan (NE) $19M · 131
Ces Power, LLC. 401(k) Plan (TN) $19M · 348

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 Cyclerion Therapeutics, Inc. 401(k) Savings Plan assets move in 2024? ▼

Cyclerion Therapeutics, Inc. 401(k) Savings Plan pulled back noticeably - down 5.8% during 2024, from $21M to $19M. Reported net income was -$1M.

How have Cyclerion Therapeutics, Inc. plan assets changed over time? ▼

Across 3 plan years on file (2022-2024), Cyclerion Therapeutics, Inc.'s sponsor-wide assets declined 15.1%, from $23M to $19M.

Which 401(k) plans are similar in size to Cyclerion Therapeutics, Inc. 401(k) Savings Plan? ▼

Among 401(k) plans in other states, the closest by assets is Wynalda Litho, Inc. Retirement Savings Plan in MI ($19M, 160 participants).

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 831895370.