Why Penumbra (PEN) Stock Is Up Today

Core Insights - Penumbra's shares surged 17.2% following the release of its Q3 2025 financial results, which exceeded Wall Street's expectations for both revenue and profit [1] - The company's revenue increased by 17.8% year-on-year to $354.7 million, surpassing analysts' consensus estimate of $340.4 million [1] - Non-GAAP earnings per share (EPS) reached $0.97, exceeding expectations by 5.3% [1] - Operating margin improved to 13.8%, up from 11.7% in the same quarter of the previous year, indicating enhanced efficiency [1] Financial Performance - Revenue: $354.7 million, a 17.8% increase year-on-year [1] - EPS: $0.97, 5.3% above expectations [1] - Operating Margin: 13.8%, up from 11.7% year-on-year [1] Market Reaction - The significant share price movement indicates a strong positive impact on market perception following the financial results [3] - Prior to this, the stock experienced a 5.5% drop due to the announcement of results from the STORM-PE trial, which showed the effectiveness of Penumbra's CAVT system [4] - The stock is currently trading at $268.42, which is 11.6% below its 52-week high of $303.76 [5] Historical Performance - Year-to-date, Penumbra's shares are up 11.8% [5] - An investment of $1,000 in Penumbra's shares five years ago would now be worth $1,068 [5]