Ptc THERAPEUTICS, Inc. (PTCT) intrinsic value & 10-year financials

Ptc THERAPEUTICS, Inc. (PTCT) has a Graham intrinsic value of $258.42 per share. At $59.24 on Oct 17, 2026, the stock trades 77% below that value. Over the last 10 fiscal years revenue grew 40.2% a year to $1.7B, with an average return on invested capital of -53.1%.

Graham intrinsic value
$258.42
Share price (Oct 17, 2026)
$59.24
Price vs Graham value
77% below
Market cap
$5.2B
Revenue (FY2025)
$1.7B
Revenue growth (10-yr CAGR)
40.2%
ROIC (10-yr avg)
-53.1%
Free cash flow (FY2025)
$702.3M

PTCT 10-year financial history

Fiscal year Revenue Net income EPS (diluted) Free cash flow Operating margin ROIC
FY2025 $1.7B $682.6M $7.78 $702.3M 50.1% -73.6%
FY2024 $806.8M -$363.3M -$4.73 -$114.2M -37.5% 24.1%
FY2023 $937.8M -$626.6M -$8.37 -$186.9M -46.9% 83.4%
FY2022 $698.8M -$559.0M -$7.79 -$388.7M -64.0% -212.2%
FY2021 $538.6M -$523.9M -$7.43 -$279.5M -69.5% -73.3%
FY2020 $380.8M -$438.2M -$6.64 -$211.9M -113.4% -65.7%
FY2019 $307.0M -$251.6M -$4.27 -$112.4M -78.6% -50.1%
FY2018 $264.7M -$128.1M — -$34.7M -43.7% -44.2%
FY2017 $194.4M -$79.0M — -$13.2M -33.1% -36.8%
FY2016 $82.7M -$142.1M — -$105.3M -159.7% -82.8%

Source: annual 10-K filings on SEC EDGAR. Figures in USD.

Executive summary

PTC THERAPEUTICS, INC. is a consistent compounder, expanding top-line revenue at 40.2% annually over the past decade.

PTC THERAPEUTICS, INC. has historically struggled to out-earn its cost of capital, averaging just -32.1% ROIC.

PTC THERAPEUTICS, INC. has not shown aggressive share repurchases (>10% retirement) or a major balance-sheet leverage increase (>50% net debt growth) over the 10-year window.

Benjamin Graham lens

Under Benjamin Graham's formula using SEC EDGAR fundamentals, PTC THERAPEUTICS, INC. is modeled at 15.0% normalized earnings growth with a 5.1% bond-yield adjustment. The resulting Graham intrinsic value estimate is $258.42 per share.

PTCT stock: frequently asked questions

What is the intrinsic value of Ptc THERAPEUTICS, Inc. (PTCT) stock?

Using Benjamin Graham's revised formula, V = EPS × (8.5 + 2g) × 4.4 / Y, with reported diluted earnings per share, a 15.0% normalized growth rate (capped at 15%) and a 5.1% AAA corporate bond yield, PTCT's intrinsic value is about $258.42 per share.

Is PTCT stock undervalued?

At $59.24 (close on Oct 17, 2026), PTCT trades 77% below its Graham value of $258.42. On Graham's terms that leaves a margin of safety. A formula is a starting point for research, not a recommendation.

How fast has Ptc THERAPEUTICS, Inc. grown?

Revenue went from $82.7M in fiscal 2016 to $1.7B in fiscal 2025, a compound annual growth rate of 40.2%. Net income was $682.6M in fiscal 2025.

Does Ptc THERAPEUTICS, Inc. generate free cash flow?

Ptc THERAPEUTICS, Inc. generated $702.3M of free cash flow (operating cash flow minus capital expenditures) in fiscal 2025. Free cash flow was positive in 1 of the last 10 reported years.

What is PTCT's return on invested capital?

Average ROIC over the last 10 fiscal years was -53.1%, and average return on equity was -21.4%. Sustained ROIC above about 15% usually points to a durable competitive advantage.

Where does this PTCT data come from?

From Ptc THERAPEUTICS, Inc.'s annual 10-K filings on SEC EDGAR, most recently filed Jul 30, 2026. Prices are end-of-day snapshots; valuations are formula outputs, not investment advice.

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