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PTC Therapeutics, Inc. (PTCT) stock

PTCTNasdaqPharmaceutical PreparationsFiscal year ends December 31
Financials through Q3 FY2026, quarter ended Sep 30, 2026Last filing: 10-Q on Oct 29, 2026Score 5/3031% above fair value
$63.49+0.13 (+0.21%)

Close on Nov 13, 2026Market cap $5.30BP/E –Yield –

PTC Therapeutics statistics

75 measures from SEC filings and the closing price. Hover a name for the formula; the last column is the median of companies in the same industry group.

Important dates

Next earnings
–
Last ex-dividend date
No dividends
Fundamentals through
Sep 30, 2026
Share price as of
–

Share statisticsIndustry

Shares Change (YoY)
6.59%
10.8%
Shares Change (QoQ)
0.25%
0.50%
Float
81M
49M
Shares Held by Insiders
3.04%
11.7%
Shares Held by Institutions
120.1%
56.4%

Short sellingIndustry

Short Interest
8M
–
Short Interest Change
-6.31%
-0.80%
Short % of Float
9.60%
9.01%
Short % of Shares Outstanding
9.31%
6.30%
Days to Cover
7.50
5.15

Stock price statisticsIndustry

52-Week High
$90.87
–
52-Week Low
$58.80
–
20-Day Moving Average
$63.57
–
50-Day Moving Average
$64.12
–
200-Day Moving Average
$70.16
–
Average True Range (14)
$2.49
–
Price Change (1 Week)
-2.98%
-1.15%
Price Change (1 Month)
4.10%
-4.87%
Price Change (3 Months)
-12.9%
-21.0%
Price Change (6 Months)
-11.2%
-20.6%
Price Change (YTD)
-16.4%
-23.6%
Price Change (1 Year)
-15.3%
-22.4%
Price Change (3 Years)
212.3%
-29.5%
Price Change (5 Years)
60.7%
-77.9%
Price Change (10 Years)
426.9%
-65.4%
Average Volume (10 Days)
1M
–
Average Volume (20 Days)
1M
–
Average Volume (90 Days)
1M
–
Relative Volume
0.44
0.70
Relative Strength Index (14)
48.6
43.4
Volatility (1 Year)
42.9%
80.1%
Beta (5 Years)
1.09
1.07

MarginsIndustry

Operating Margin
12.8%
-38.7%
Pretax Margin
-7.36%
-11.6%
Profit Margin
-9.17%
-31.6%
EBITDA Margin
18.1%
-27.7%
FCF Margin
0.18%
-9.56%

Returns on capitalIndustry

Return on Assets (ROA)
-3.62%
-40.6%
Return on Capital Employed (ROCE)
6.07%
-37.9%

Financial positionIndustry

Current Ratio
3.27
3.30
Quick Ratio
3.05
2.39
Debt / EBITDA
2.57
3.15
Debt / FCF
259.44
4.65
Net Debt / EBITDA
-7.63
1.97

GrowthIndustry

Revenue Growth (YoY)
-35.1%
6.82%
Net Income Growth (YoY)
-114.1%
-14.4%
EPS Growth (YoY)
-113.9%
-12.3%
FCF Growth (YoY)
-99.7%
6.85%
Revenue Growth (3Y CAGR)
35.3%
2.25%
Revenue Growth (5Y CAGR)
35.4%
6.41%

EfficiencyIndustry

Asset Turnover
0.39
0.40
Revenue Per Employee
$1.17M
$429.29K
Profits Per Employee
-$106.93K
-$689.41K
Employee Count
991
74

Income statement (TTM)Industry

Revenue
$1.16B
$66.37M
Operating Income
$147.70M
-$21.37M
Pretax Income
-$85.09M
-$12.95M
Net Income
-$105.97M
-$22.35M
EBITDA
$208.71M
-$17.21M
EPS (Diluted)
-$1.19
-$0.76

Balance sheetIndustry

Total Debt
$536.27M
$116.91M
Net Cash (Debt)
$1.59B
$17.76M
Net Cash Per Share
$19.05
$0.80
Equity (Book Value)
-$191.21M
$53.89M
Book Value Per Share
-$2.29
$1.50
Tangible Book Value
-$717.24M
$27.13M
Working Capital
$1.76B
$79.99M

Cash flow (TTM)Industry

Operating Cash Flow
$10.49M
-$12.38M
Capital Expenditures
-$8.42M
-$1.00M
Free Cash Flow
$2.07M
-$18.21M
FCF Per Share
$0.02
-$0.42

Taxes and interestIndustry

Income Tax
$20.88M
$73.00K

Scores and fair valueIndustry

Piotroski F-Score
5
4

Total return vs. the S&P 500

Price change plus reinvested dividends, to the close on Nov 13, 2026. The S&P 500 is measured by the SPY fund.

PeriodPTCTS&P 500DifferencePTCT per yearS&P 500 per year
1 month+6.0%-3.0%+9.0 pts
3 months-11.8%-2.8%−9.0 pts
Year to date-16.4%+11.5%−27.9 pts
1 year-15.3%+13.5%−28.8 pts
3 years+242.6%+77.7%+164.9 pts+50.8%+21.1%
5 years+60.7%+72.6%−11.9 pts+10.0%+11.5%
10 years+461.9%+308.2%+153.7 pts+18.8%+15.1%

Short interest

Shares sold short and not yet covered, reported by brokers to FINRA twice a month. Latest settlement date Oct 30, 2026.

8M PTCT shares were sold short on Oct 30, 2026, down 6.3% from the previous report, or 9.60% of the shares available to trade. At recent volumes it would take 7.5 days to buy them back. Over the last 20 sessions, 45.6% of the volume reported to FINRA was short selling.

Settlement dateShares shortChangeAvg. daily volumeDays to cover
Oct 30, 20267,779,250-6.3%1,037,4457.5
Oct 15, 20268,303,282-9.4%1,094,5767.6
Sep 30, 20269,168,333-5.9%1,493,9556.1
Sep 15, 20269,738,919-0.9%882,76211.0
Aug 31, 20269,828,154-3.8%809,90912.1
Aug 14, 202610,221,046-3.3%944,36110.8
Jul 31, 202610,566,249+7.4%1,404,3847.5
Jul 15, 20269,833,980-43.2%2,069,3734.8
Jun 30, 202617,315,032+46.9%3,228,8485.4
Jun 15, 202611,783,786+10.4%1,505,9357.8
May 29, 202610,674,185+4.2%963,23111.1
May 15, 202610,240,784+5.0%1,708,7916.0

Ratios use trailing-twelve-month results and the latest balance sheet. How we calculate.

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