The Moat Index

RHYTHM PHARMACEUTICALS, INC.

RYTM · Healthcare · $7.2B mkt cap · FY2025 filings · Shallow moat ·

Doesn't clear the bar

44/ 100
Shallow moat

The four filters

Pricing power98

Median gross margin 89.7% over 5y, very stable.

Returns on capital0

Median ROIC -67.5%, above the 9% hurdle in 0% of years.

Balance-sheet safety28

Net debt/EBITDA n/ax, interest coverage -9x.

Capital discipline44

Owner earnings trend unclear, share count n/a.

Margin of safety

Above valueOn sale
No price data
Owner earnings (normalized)
Est. intrinsic value / share
Recent price
$106.60
Discount to value
No price data

Conservative model: 9% discount rate, 0% assumed growth (capped at 4%), maintenance capex ≈ min(capex, D&A).

12 years of fundamentals

The business, in plain English

RHYTHM PHARMACEUTICALS, INC. booked $189.8M of revenue in FY2025 in the Healthcare sector and kept 89.7% of it as gross profit — a high-margin business by that measure. After every other cost, −103.6% of each revenue dollar reached the bottom line.

It earned −78.6% on invested capital in FY2025, with a median of −67.5% across 9 filed years. The Returns on Capital filter above scores it 0/100.

The balance sheet carried $108.2M of total debt in FY2025. Balance-Sheet Safety scores it 28/100.

The share count rose 559.1% between FY2016 and FY2025 — existing owners have been diluted over the record. Capital Discipline scores it 44/100.

Put together: Pricing Power is the strongest of the four filters (98/100) and Returns on Capital the weakest (0/100), which is how RYTM lands at 44/100 — a Shallow moat.

This breakdown is generated from the filed numbers and sub-scores above — no outside narrative, no estimates. Where a filing doesn’t disclose an input, the sentence that would need it is omitted instead of guessed.

FY2014–FY2025 · 12 fiscal years, normalized from RYTM’s SEC filings

RevenueSales, as filed$189.8M FY2025
$0$100M$200M2014201820222025
Gross marginRevenue kept after cost of goods89.7% FY2025
0%50%2014201820222025
Return on invested capitalOperating profit on the capital employed−78.6% FY2025
−400%−200%0%2014201820222025
Owner earningsCash an owner could take out−$196.5M FY2025
−$200M−$100M$02014201820222025

Gaps in a line mean that item isn’t in RYTM’s filings for that year — the series is never interpolated or estimated. The Table view lists every filed value, including operating and net margins, total debt, and share count.

Moat Score history

3 logged readings since Jul 17, 2026 · append-only, never rewritten

Moat Score over timeLast scored reading of each day, on the 0–100 scale43.8 / 100
0406080100WideNarrowShallowNo moatJul 17, 2026

Score history begins Jul 17, 2026 — the record builds from here and can’t be backfilled.

Tier changesSame-methodology crossings of the Wide / Narrow / Shallow bars

None yet — RYTM has read Shallow moat for every logged capture since Jul 17, 2026.

Scores are logged append-only and never overwritten — this record can’t be backfilled, which is exactly why it’s worth keeping.

Healthcare context

#190 of 440 scored Healthcare companies, ranked by Moat Score.

Nearest peers by Moat Score

  1. #188SMTI SANARA MEDTECH INC.43.8 out of 100, Shallow moatShallow moat
  2. #189SGHT SIGHT SCIENCES, INC.43.8 out of 100, Shallow moatShallow moat
  3. #191PCYN PROCYON CORPORATION43.7 out of 100, Shallow moatShallow moat
  4. #192FEMY Femasys Inc.43.7 out of 100, Shallow moatShallow moat

Compare RYTM with its nearest peersAll Healthcare companies on the Index →

Common questions about RYTM

Does RHYTHM PHARMACEUTICALS, INC. have an economic moat?
Based on its FY2025 SEC filings, the Moat Index scores RHYTHM PHARMACEUTICALS, INC. (RYTM) 43.8 out of 100 — a Shallow moat. The four filters behind that score (each 0–100): pricing power 98, returns on capital 0, balance-sheet safety 28, capital discipline 44.
How has RYTM's Moat Score changed over time?
The record logs 3 readings since Jul 17, 2026; the latest reads 43.8 out of 100 (shallow moat). No tier changes on record yet. The history is append-only — readings are only ever added, never rewritten.
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RHYTHM PHARMACEUTICALS, INC. (RYTM) Moat Score — The Moat Index · Buy Like Buffett