Plan Ledger DOL Form 5500 · updated monthly

Ardelyx, Inc.401(k)

ARDELYX, INC. 401(K) PLAN · WALTHAM, MA · plan year 2024

Reported admin expense ratio · 2024
0.01%

Peer grade: A- · admin costs + employer contributions vs same-size plans · how grading works

Ardelyx, Inc. reported $4,419 in plan administrative expenses for 2024: 0.01% of average plan assets, lower than ~75% of peers. Employer contributions averaged $3,523 per active participant. This ratio covers administrative expenses reported on the plan's Schedule H only; fund-level expense ratios are not included in public structured data — see methodology.

Across the 2 years on file its reported administrative ratio fell from 0.04% to 0.01%. The plan sits in the $10M–$50M size bracket, benchmarked here against 27,838 comparable plans and shown alongside other professional & technical services employers. By assets it is the 861st-largest of 2,726 plans among Massachusetts employers on file, and the 3,478th of 11,654 in professional & technical services. In 2024, employees put in $4.20 for every $1.00 the employer contributed; active participation has grown from 134 to 398 since 2022.

Plan summary
Net assets, end of year$37,573,102
Participants with balances419
Active participants398
Employer contributions$1,402,037
Employee contributions$5,893,685
Employer contribution per active participant$3,523
Average account balance$89,673
Benefits paid to participants$1,356,596
Plan auditUnmodified (clean) audit opinion
Plan history3
Yearassets · accounts · employer contribution
2024$37.6M · 419 accts · $1.4M emplr
2023$21.7M · 280 accts · $218K emplr
2022$14.2M · 182 accts · $3K emplr
Administrative expenses, itemized · 2024
Recordkeeping & contract admin$750
Investment management$3,669
Total administrative$4,419
The Ardelyx, Inc. 401(k) match · 2024
Employer contribution per active participant$3,523
Median for plans this size$2,416
2024$3,523 per active participant
2023$807 per active participant
2022$21 per active participant

Ardelyx, Inc.'s 2024 employer contribution ran above the $2,416 median for plans its size. Filings report dollars actually contributed, not the match formula; the formula itself (for example, 50% of the first 6% of pay) lives in the plan's summary plan description from HR.

What these fees cost you

Annual cost at the plan's reported 2024 administrative ratio, against the median plan its size; fund expense ratios are extra. Compare any plan.

Service providers · 20241
FIDELITY INVESTMENTS INSTITUTIONAL · Loan processing$750

Compensation shown is direct payments from plan assets reported on Schedule C. Providers paid through fund revenue-sharing appear as indirect.

Administrative cost history3
2024$4,419 · 0.01%
2023$3,858 · 0.02%
2022$5,843 · 0.04%
Same employer
Similar plansProfessional & Technical Services · Massachusetts
Peloton Group, LLC MA$38.1M · 0.26%
Healthdrive Corporation MA$37.6M · 0.22%

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Source: U.S. Department of Labor, Form 5500 series, EIN 261303944 · Verify on EFAST2 · Amounts are as reported by the plan sponsor for the plan year shown.