PTCT — PTC THERAPEUTICS INC

Ownership history in Caption Management, LLC  ·  51 quarters on record

This page tracks every 13F SEC filing in which Caption Management, LLC reported a position in PTC THERAPEUTICS INC (PTCT). Data includes quarterly share count, position size as % of portfolio, estimated market value, and end-of-quarter stock price — sourced directly from SEC EDGAR 13F filings.

Peak position
0.21% (2020 Q1)
Avg. % of fund
0.05%
First filed
2018 Q2
Last filed
2025 Q4
Quarters held
51
Quarter Action Shares Change Chg % % of Fund Mkt Value Price (EOQ)
2025 Q4 ADDED 100,000 +40,000 +66.7% 0.05% $7.6M $75.96
2025 Q3 UNCHANGED 60,000 — 0% 0.03% $3.7M $61.37
2025 Q3 ADDED 60,000 +30,000 +100.0% 0.03% $3.7M $61.37
2025 Q2 UNCHANGED 30,000 — 0% 0.02% $1.5M $48.84
47 older quarters hidden  —  Sign in free or upgrade to Premium to see full history
% of Fund (quarterly)    PTCT price (monthly, adj. close)

Other funds also holding PTCT

As of 2025 Q4 — sorted by position size

Palo Alto Investors LP 3Y 7Y 9.56% RTW INVESTMENTS, LP 3Y 7Y 5.89% TANG CAPITAL MANAGEMENT LLC 3Y 7Y 5.63% MPM BioImpact LLC 3Y 3.74% ARMISTICE CAPITAL, LLC 3Y 7Y 2.53% Parkman Healthcare Partners LLC 3Y 1.16% SECTOR GAMMA AS 3Y 7Y 1.07% Hood River Capital Management LLC 3Y 7Y 0.84% Abacus FCF Advisors LLC 3Y 7Y 0.75% Ikarian Capital, LLC 3Y 0.7%
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