The Moat Index

PTC Therapeutics, Inc.

PTCT · Healthcare · $6.4B mkt cap · FY2025 filings · Shallow moat ·

Doesn't clear the bar

55/ 100
Shallow moat

The four filters

Pricing power100

Median gross margin 96.8% over 4y, very stable.

Returns on capital0

Median ROIC -44.6%, above the 9% hurdle in 0% of years.

Balance-sheet safety100

Net cash position — no leverage risk.

Capital discipline24

Owner earnings trend unclear, share count growing (dilution).

Margin of safety

Above valueOn sale
No price data
Owner earnings (normalized)
Est. intrinsic value / share
Recent price
$78.59
Discount to value
No price data

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

16 years of fundamentals

The business, in plain English

Across the filed record, revenue grew from $105.4M (FY2011) to $1.7B (FY2025) — about 22.1% a year compounded over 14 years.

It earned −121.7% on invested capital in FY2021, with a median of −31.6% across 9 filed years. The Returns on Capital filter above scores it 0/100.

The balance sheet carried $286.6M of total debt in FY2025 against $712.6M of owner earnings — roughly 0.4 years of owner earnings to retire it all. Balance-Sheet Safety scores it 100/100.

The share count rose 1800040.7% between FY2012 and FY2025 — existing owners have been diluted over the record. Capital Discipline scores it 24/100.

Put together: Pricing Power is the strongest of the four filters (100/100) and Returns on Capital the weakest (0/100), which is how PTCT lands at 55/100 — 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.

FY2010–FY2025 · 16 fiscal years, normalized from PTCT’s SEC filings

RevenueSales, as filed$1.7B FY2025
$0$1B2010201520202025
Gross marginRevenue kept after cost of goods96.0% FY2019
0%50%100%2010201520202025
Return on invested capitalOperating profit on the capital employed−121.7% FY2021
−100%−50%0%2010201520202025
Owner earningsCash an owner could take out$712.6M FY2025
−$500M$0$500M2010201520202025

Gaps in a line mean that item isn’t in PTCT’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 scale54.8 / 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 — PTCT 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

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

Nearest peers by Moat Score

  1. #96RIGL RIGEL PHARMACEUTICALS INC55.2 out of 100, Shallow moatShallow moat
  2. #97KNSA Kiniksa Pharmaceuticals International, plc55.0 out of 100, Shallow moatShallow moat
  3. #99FTV Fortive Corp54.7 out of 100, Shallow moatShallow moat
  4. #100UFPT UFP Technologies, Inc.54.5 out of 100, Shallow moatShallow moat

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

Common questions about PTCT

Does PTC Therapeutics, Inc. have an economic moat?
Based on its FY2025 SEC filings, the Moat Index scores PTC Therapeutics, Inc. (PTCT) 54.8 out of 100 — a Shallow moat. The four filters behind that score (each 0–100): pricing power 100, returns on capital 0, balance-sheet safety 100, capital discipline 24.
How has PTCT's Moat Score changed over time?
The record logs 3 readings since Jul 17, 2026; the latest reads 54.8 out of 100 (shallow moat). No tier changes on record yet. The history is append-only — readings are only ever added, never rewritten.
Embed this score on your site

One iframe, no script. The badge shows PTCT’s live Moat Score, updates itself as new filings are scored, and links back here. How it works.

<iframe
  src="https://buylikebuffett.com/embed/PTCT"
  width="340" height="150" style="border:0"
  title="PTCT Moat Score — The Moat Index"
  loading="lazy"></iframe>
PTC Therapeutics, Inc. (PTCT) Moat Score — The Moat Index · Buy Like Buffett