401(k) · DOL Form 5500 · 2022

Ardelyx, Inc. 401(k) Plan

Data updated 2026-08-25

$14M
Total assets Small plan by assets
212
Participants Below avg headcount
72nd
Percentile by assets National rank
$66,885
Avg per participant Below avg balance/head
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Official DOL plan name: Ardelyx, Inc. 401(k) Plan · Sponsored by Ardelyx, Inc. · Massachusetts · Professional & Technical Services

$14M in assets, 212 participants

Ardelyx, Inc.'s Ardelyx, Inc. 401(k) Plan reported $14M in total assets and 212 participants in its 2022 DOL Form 5500 filing, ranking in the 72nd 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.

  • #15,327 in Professional & Technical Services (21,562 peers)

Coverage in Massachusetts

Ardelyx, Inc. 401(k) Plan covers 212 participants in Massachusetts, about 32% of the average Massachusetts filer (state average ~659 per filing). Assets: $14M.

#15,327
in Professional & Technical Services (21,562 peers)
-18.4%
assets change YoY

The plan reported a net loss of $3M for the year, a single-year figure driven by markets and benefit payments, not a measure of plan health.

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

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

End-of-year total assets · plan year 2022 · DOL Form 5500

$14,179,558 Top 28% higher than 72% of 139,123 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 2022

Ardelyx, Inc. 401(k) Plan among mid-size filed plans by headcount

Plan-year 2022 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Ardelyx, Inc. 401(k) Plan sits mid-pack in the medium band (212 participants).

EBSA filing schedule strip

Filing strip 261303944 · Ardelyx, Inc. PY 2022 · 401(k)

Ardelyx, Inc. 401(k) Plan · $14M · 212 · 72nd

  • EIN $14M
  • RANK 212
  • PHOTO 72nd
  • IND 401(k)
  • EOY near Chemstation Retirement Savings Plan
  • 5500 ind #15327

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 Professional & Technical Services retirement plans → · Plans in Massachusetts →

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

Ardelyx, Inc. 401(k) Plan$14MChemstation Retirement Savings PlanChemstation Retirement Savin…$14MChristensen, Inc. 401(k) Plan$14MThe Magnet Group 401(k) Benefit PlanThe Magnet Group 401(k) Bene…$14MHogan & Associates Construction 401(k) Profit Sharing PlanHogan & Associates Construct…$14M
End-of-year total assets ($M) among Ardelyx, Inc. 401(k) Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2022.

Massachusetts filing particulars

Total Assets (Beginning of Year)$17M
Net Assets (End of Year)$14M
Net Income-$3M
Employer EIN261303944
Plan Effective Date2008-09-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Ardelyx, Inc.)

Sponsor-wide plan assets over time

All Ardelyx, Inc. plans reported in each filing year

Latest sponsor-wide plan assets
$38M 164.98077020454375% vs 2022
2024 filing year
$10M$20M$30M$40M 202220232024 $14.2M $37.6M ▲ +165.0%
Year Plans Participants Total Assets
2022 1 212 $14M
2023 1 134 $22M
2024 1 270 $38M

Nearby 401(k) Plans in Massachusetts

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

Ardelyx, Inc. 401(k) Plan vs. nearby 401(k) plans in Massachusetts, assets vs. participants Scatter plot of 6 data points. -200000200004000060000 -100102030 Total assets ($B) Participants Ardelyx, Inc. 401(k) Plan, Total assets ($B): 0.014179558 · Participants: 212Ardelyx, Inc. 401(k) PlanFidelity Retirement Savings Plan, Total assets ($B): 22.953563448 · Participants: 52036Fidelity Retirement Savings PlanLiberty Mutual 401(k) Plan, Total assets ($B): 8.79802945 · Participants: 32843Liberty Mutual 401(k) PlanMassachusetts Institute of Technology Supplemental 401(k) Plan, Total assets ($B): 5.810585521 · Participants: 13690Massachusetts Institute of Technology Supplemental 401(k) PlanPhilips North America 401(k) Plan, Total assets ($B): 5.180251859 · Participants: 19750Philips North America 401(k) PlanBoston Scientific Corporation 401(k) Retirement Savings Plan, Total assets ($B): 4.853752256 · Participants: 18359Boston Scientific Corporation 401(k) Retirement Savings Plan
Ardelyx, Inc. 401(k) Plan vs. nearby 401(k) plans in Massachusetts, assets vs. participants
Compare Ardelyx, Inc. 401(k) Plan side-by-side with 3 peers →

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

Outside Massachusetts, the nearest 401(k) by assets is Chemstation Retirement Savings Plan in OH ($14M); by covered participants it is Stumptown Coffee 401(k) Plan in OR (212 participants). Same-state nearby plans are listed separately above.

Closest by plan assets

Nearest other-state filings by tot_assets_eoy ($14M here).

Similar participant headcount

Nearest other-state filings by covered participants (212 participants); asset peers above are excluded.

DOL Form 5500 plan year 2022. Asset totals can differ widely at the same headcount; neither axis is a quality rating.

Frequently Asked Questions

How did Ardelyx, Inc. 401(k) Plan assets move in 2022? ▼
Ardelyx, Inc. 401(k) Plan declined sharply - down 18.4% during 2022, from $17M to $14M. Reported net income was -$3M.
How have Ardelyx, Inc. plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), Ardelyx, Inc.'s sponsor-wide assets grew 165.0%, from $14M to $38M.
Which 401(k) plans are similar in size to Ardelyx, Inc. 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by assets is Chemstation Retirement Savings Plan in OH ($14M, 116 participants).
Which 401(k) plans cover a similar participant headcount to Ardelyx, Inc. 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by covered participants is Stumptown Coffee 401(k) Plan in OR (212 participants, $5M in assets).

Source: U.S. Department of Labor, Employee Benefits Security Administration (EBSA), Form 5500 public disclosure dataset. Plan year 2022.

Source: DOL EFAST2 filing system (efast.dol.gov) - original filing retrieval by EIN 261303944.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from U.S. Department of Labor Form 5500 filings (EBSA). See our methodology for details.