Plan Ledger DOL Form 5500 · updated monthly

Rhythm Pharmaceuticals Inc.401(k)

RHYTHM PHARMACEUTICALS INC. 401K PLAN · BOSTON, MA · plan year 2024

Reported admin expense ratio · 2024
0.09%

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

Rhythm Pharmaceuticals Inc. reported $17,783 in plan administrative expenses for 2024: 0.09% of average plan assets, lower than ~75% of peers. Employer contributions averaged $8,802 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 0.23% to 0.09%. 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 1,204th-largest of 2,726 plans among Massachusetts employers on file, and the 5,103rd of 11,654 in professional & technical services. In 2024, employees put in $2.19 for every $1.00 the employer contributed; active participation has grown from 140 to 191 since 2022.

Plan summary
Net assets, end of year$22,734,002
Participants with balances229
Active participants191
Employer contributions$1,681,123
Employee contributions$3,689,726
Employer contribution per active participant$8,802
Average account balance$99,275
Benefits paid to participants$2,671,309
Plan auditUnmodified (clean) audit opinion
Plan history3
Yearassets · accounts · employer contribution
2024$22.7M · 229 accts · $1.7M emplr
2023$16.8M · 209 accts · $1.5M emplr
2022$11.3M · 178 accts · $1.6M emplr
Administrative expenses, itemized · 2024
Recordkeeping & contract admin$11,319
Investment management$6,464
Total administrative$17,783
The Rhythm Pharmaceuticals Inc. 401(k) match · 2024
Employer contribution per active participant$8,802
Median for plans this size$2,416
2024$8,802 per active participant
2023$8,588 per active participant
2022$11,446 per active participant

Rhythm Pharmaceuticals Inc.'s 2024 employer contribution ran above the $2,416 median for plans its size, placing it in the top quarter of its peers. 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 · 20242
FIDELITY WORKPLACE SERVICES LLC · Plan administrator · Trustee (discretionary)$11,319
STRATEGIC ADVISORS, INC. · Investment advisory (plan)$6,464

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$17,783 · 0.09%
2023$23,224 · 0.17%
2022$23,622 · 0.23%
Same employer
Similar plansProfessional & Technical Services · Massachusetts
Voyager Therapeutics Inc. MA$23.0M · 0.48%
Acronis, Inc. MA$22.9M · 0.50%
Design Communications, LTD. MA$22.9M · 0.45%
Scholar Rock Inc. MA$22.8M · 0.03%
Butcherbox Opco, LLC MA$22.5M · 0.65%
Polygon US Corporation MA$22.2M · 0.10%
Izotope, Inc. MA$21.5M · 0.18%
Drift.com, Inc. MA$21.5M · 0.51%

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Source: U.S. Department of Labor, Form 5500 series, EIN 462159271 · Verify on EFAST2 · Amounts are as reported by the plan sponsor for the plan year shown.