As of August 28, 2026, PTC Therapeutics, Inc. (PTCT) has a DilutionWatch DilutionScore of 29/100, rated MEDIUM dilution risk. This is a component-limited score because one or more material inputs are unavailable or not applicable. PTC Therapeutics, Inc. has a market capitalization of $6.13B, 83.46M shares outstanding, 354 institutional holders tracked.
This page includes automatically generated factual summaries from DilutionWatch data. It is not financial advice, not investment research, and not a recommendation. Do your own research. Read the full disclaimer and terms of service.
Score Breakdown
💰Cash Runway—
📊Float Risk—
Dilution Forecast
⛈️
Warning
High probability of dilution event
model est. 30%
🔁 Convertible Conversion
model 60%
• Major convertible overhang: 56% potential dilution
• Convertible risk score very high (85/100)
Market Data
Market Cap$6.13B
Shares Outstanding83.46M
FloatN/A
Cash$2.23B
Debt$590.97M
Short InterestN/A
Institutional Holdings
QoQ: ↑ 20.0% shares (2026Q1 vs prior)
354 institutional holders · 113.80M shares
#1
JANUS HENDERSON GROUP PLC
14.39M shares
#2
BlackRock, Inc.
12.95M shares
#3
RTW INVESTMENTS, LP
7.75M shares
Institutional holder totals are aggregated from ownership filings and may use a different share basis or reporting date than public float. They are not a reconciliation against tradeable float.
Short Interest
Short Interest10.57M
Days to Cover7.5
% of FloatN/A
FINRA data as of Jul 31, 2026
Recent SEC Activity
xbrl
XBRL CONVERTIBLE
2020-09-30
Full SEC filing analysis available with free account
→
Recent News
No recent news
Factual PTCT Dilution Snapshot
PTC Therapeutics, Inc. (PTCT) has a DilutionScore of 29/100, rated Medium dilution risk. Score date: August 28, 2026.
- Recent SEC activity tracked for PTCT: xbrl on 2020-09-30.
- Score coverage note: Float Risk is excluded because public-float data is unavailable.
This automatically generated snapshot is assembled from stored DilutionWatch data fields and may contain data-source errors or omissions. It is not financial advice, not investment research, and not a recommendation. Do your own research and review the full disclaimer and terms of service.
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Score Coverage Note
- Float Risk is excluded because public-float data is unavailable.
More Research for PTCT
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