Quarterly report [Sections 13 or 15(d)]

N-2

v3.25.2
N-2 - $ / shares
6 Months Ended
Jun. 30, 2025
Dec. 31, 2024
Jun. 30, 2024
Dec. 31, 2023
Cover [Abstract]        
Entity Central Index Key 0001280784      
Amendment Flag false      
Securities Act File Number 814-00702      
Document Type 10-Q      
Entity Registrant Name HERCULES CAPITAL, INC.      
Entity Address, Address Line One 1 North B Street      
Entity Address, Address Line Two Suite 2000      
Entity Address, City or Town San Mateo      
Entity Address, State or Province CA      
Entity Address, Postal Zip Code 94401      
City Area Code 650      
Local Phone Number 289-3060      
Entity Emerging Growth Company false      
General Description of Registrant [Abstract]        
Risk Factors [Table Text Block]
ITEM 1A.    RISK FACTORS
In addition to the risks discussed below, important risk factors that could cause results or events to differ from current expectations are described in Part I, Item 1A “Risk Factors” of the Company’s Annual Report on Form 10-K for the year ended December 31, 2024 filed with the SEC on February 13, 2025.
Our financial results could be negatively affected if a significant portfolio investment fails to perform as expected.
Our total investment in companies may be significant individually or in the aggregate. As a result, if a significant investment in one or more companies fails to perform as expected, our financial results could be more negatively affected, and the magnitude of the loss could be more significant than if we had made smaller investments in more companies. The following table shows the fair value of the totals of investments held in portfolio companies as of June 30, 2025 that represent greater than 5% of our net assets:     
(in thousands) June 30, 2025
Fair Value
Percentage of Net Assets
Marathon Health, LLC $ 180,008  8.4  %
Phathom Pharmaceuticals, Inc. $ 176,485  8.2  %
ChenMed, LLC $ 132,405  6.2  %
Shield AI, Inc. $ 118,328  5.5  %
Tipalti Solutions Ltd. $ 117,326  5.5  %
SeatGeek, Inc. $ 108,753  5.1  %
Marathon Health, LLC is a provider of employer-sponsored healthcare platform intended to provide convenient and unhurried patient-centered care services.
Phathom Pharmaceuticals, Inc. is a biopharmaceutical company focused on the development and commercialization of novel treatments for gastrointestinal diseases and disorders.
ChenMed LLC is a healthcare company that delivers value-based, primary care to seniors, focusing on prevention and personalized treatment.
Shield AI, Inc. is an aerospace and defense technology company that designs and builds AI-powered, autonomous Unmanned Aerial Vehicles (UAVs) for national defense operations and military organizations.
Tipalti Solutions Ltd. is a provider of an end-to-end accounts payable automation software platform for mid-market businesses and enterprises.
SeatGeek, Inc. is a mobile-focused ticket platform that enables users to buy and sell tickets for live sports, concerts and theater events.
Our financial results could be materially adversely affected if these portfolio companies or any of our other significant portfolio companies encounter financial difficulty and fail to repay their obligations or to perform as expected.
     
Share Price $ 18.28   $ 20.45  
NAV Per Share $ 11.84 $ 11.66 $ 11.43 $ 11.43
Significant Portfolio Investment [Member]        
General Description of Registrant [Abstract]        
Risk [Text Block]
Our financial results could be negatively affected if a significant portfolio investment fails to perform as expected.
Our total investment in companies may be significant individually or in the aggregate. As a result, if a significant investment in one or more companies fails to perform as expected, our financial results could be more negatively affected, and the magnitude of the loss could be more significant than if we had made smaller investments in more companies. The following table shows the fair value of the totals of investments held in portfolio companies as of June 30, 2025 that represent greater than 5% of our net assets:     
(in thousands) June 30, 2025
Fair Value
Percentage of Net Assets
Marathon Health, LLC $ 180,008  8.4  %
Phathom Pharmaceuticals, Inc. $ 176,485  8.2  %
ChenMed, LLC $ 132,405  6.2  %
Shield AI, Inc. $ 118,328  5.5  %
Tipalti Solutions Ltd. $ 117,326  5.5  %
SeatGeek, Inc. $ 108,753  5.1  %
Marathon Health, LLC is a provider of employer-sponsored healthcare platform intended to provide convenient and unhurried patient-centered care services.
Phathom Pharmaceuticals, Inc. is a biopharmaceutical company focused on the development and commercialization of novel treatments for gastrointestinal diseases and disorders.
ChenMed LLC is a healthcare company that delivers value-based, primary care to seniors, focusing on prevention and personalized treatment.
Shield AI, Inc. is an aerospace and defense technology company that designs and builds AI-powered, autonomous Unmanned Aerial Vehicles (UAVs) for national defense operations and military organizations.
Tipalti Solutions Ltd. is a provider of an end-to-end accounts payable automation software platform for mid-market businesses and enterprises.
SeatGeek, Inc. is a mobile-focused ticket platform that enables users to buy and sell tickets for live sports, concerts and theater events.
Our financial results could be materially adversely affected if these portfolio companies or any of our other significant portfolio companies encounter financial difficulty and fail to repay their obligations or to perform as expected.