401(k) · DOL Form 5500 · 2023

Frm Socks LLC 401(k) Plan

Data updated 2026-08-25

$16M
Total assets Small plan by assets: 177
Participants Small participant base: 68th
Percentile by assets National rank: $88,761
Avg per participant Below avg balance/head

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Official DOL plan name: Fox River Mills 401(k) Plan · Sponsored by Frm Socks LLC · Iowa · Manufacturing

$16M in assets, 177 participants

Frm Socks LLC's Fox River Mills 401(k) Plan reported $16M in total assets and 177 participants in its 2023 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.

#10,629 in Manufacturing (18,722 peers)

Coverage in Iowa

Fox River Mills 401(k) Plan covers 177 participants in Iowa, about 29% of the average Iowa filer (state average ~609 per filing). Assets: $16M.

#10,629
in Manufacturing (18,722 peers): +14.6%
assets growth YoY

Fox River Mills 401(k) Plan's outsized position by total assets

Fox River Mills 401(k) Plan vs every filed plan by assets

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

$15,710,760 Top 32% higher than 68% of 127,068 filed plans

Dashed line + filled bar = this entry, among filed plans.

Source U.S. Department of Labor Form 5500 filings (EBSA) · plan year 2023

Fox River Mills 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. Fox River Mills 401(k) Plan sits mid-pack in the medium band (177 participants).

Micro (1-10) 35,718 filings (27%) Small (11-100) 27,089 filings (21%) Medium (101-1,000) 55,445 filings (43%) Large (1,001-10,000) 10,273 filings (8%) Mega (10,000+) 1,374 filings (1%)

Fox River Mills 401(k) Plan reported net income rose from -$2M in the plan year 2022 filing to $2M in the plan year 2023 filing.
Fox River Mills 401(k) Plan reported participants rose from 151 in the plan year 2022 filing to 177 in the plan year 2023 filing.
Fox River Mills 401(k) Plan end-of-year assets rose from $14M in the plan year 2022 filing to $16M in the plan year 2023 filing.

See the national 2022→2023 release diff →

Plan-year Form 5500 strip

Filing strip 611804624 · Frm Socks LLC PY 2023 · 401(k)

Fox River Mills 401(k) Plan · $16M · 177 · 68th

5500 $16M
ASSETS 177
PCT 68th
EIN 401(k)
RANK near Cadence Education LLC 401(k) Savings Plan
PHOTO ind #10629

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 Iowa →

End-of-year total assets ($M) among Fox River Mills 401(k) Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2023.

Iowa filing particulars

Total Assets (Beginning of Year)	$14M
Net Assets (End of Year)	$16M
Net Income	$2M
Employer EIN	611804624
Plan Effective Date	1977-01-01
Filing Status	FILING RECEIVED

Sponsor Plan History (Frm Socks LLC)

Latest sponsor-wide plan assets: $17M 24.5283010607699% vs 2022; 2024 filing year

Year	Plans	Participants	Total Assets
2022	1	151	$14M
2023	1	177	$16M
2024	1	157	$17M

Nearby 401(k) Plans in Iowa

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

Fox River Mills 401(k) Plan vs. nearby 401(k) plans in Iowa, assets vs. participants

The Principal Select Savings Plan $4.1B · 12,827
Iowa Health System Section 401(k) Retirement Savings Plan $3.0B · 28,959
The Hy-Vee and Affiliates 401(k) Plan $2.9B · 56,181
The Rsm US LLP Retirement Plan $2.9B · 14,720
Transamerica 401(k) Retirement Savings Plan $2.4B · 6,999

Compare Fox River Mills 401(k) Plan side-by-side with 3 peers →

Fox River Mills 401(k) Plan's out-of-state 401(k) peers by assets and headcount

Outside Iowa, the nearest 401(k) by assets is Cadence Education LLC 401(k) Savings Plan in AZ ($16M); by covered participants it is Purolite 401(k) Plan in PA (177 participants). Same-state nearby plans are listed separately above.

Closest by plan assets

Nearest other-state filings by tot_assets_eoy ($16M here).

Cadence Education LLC 401(k) Savings Plan (AZ) $16M · 7,008
Therapy Partner Solutions Holding, LLC 401(k) Plan (GA) $16M · 584
Redwood Software, Inc. 401(k) Plan (NC) $16M · 36
Network Adjusters, Incorporated 401(k) Profit Sharing Plan & (NY) $16M · 129

Similar participant headcount

Nearest other-state filings by covered participants (177 participants); asset peers above are excluded.

Purolite 401(k) Plan (PA) 177 · 0 off
The Jane Pauley Community Health Center, Inc. 401(k) P/S Plan (IN) 177 · 0 off
Pillar Construction, Inc. 401(k) Plan (VA) 177 · 0 off
Richardson Industries, Inc. 401(k) Plan (WI) 177 · 0 off

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 Fox River Mills 401(k) Plan assets move in 2023? ▼

Fox River Mills 401(k) Plan grew at a solid clip - up 14.6% during 2023, from $14M to $16M. Reported net income was $2M.

How have Frm Socks LLC plan assets changed over time? ▼

Across 3 plan years on file (2022-2024), Frm Socks LLC's sponsor-wide assets grew 24.5%, from $14M to $17M.

Which 401(k) plans are similar in size to Fox River Mills 401(k) Plan? ▼

Among 401(k) plans in other states, the closest by assets is Cadence Education LLC 401(k) Savings Plan in AZ ($16M, 7,008 participants).

Which 401(k) plans cover a similar participant headcount to Fox River Mills 401(k) Plan? ▼

Among 401(k) plans in other states, the closest by covered participants is Purolite 401(k) Plan in PA (177 participants, N/A in assets).

Source: U.S. Department of Labor, Employee Benefits Security Administration (EBSA), Form 5500 public disclosure dataset. Plan year 2023.

Source: DOL EFAST2 filing system (efast.dol.gov) - original filing retrieval by EIN 611804624.