The company’s stock fell 1.5 percent after the news, closing up 2.3 percent.
A spokeswoman for Hertz said it would continue to operate as normal.
The stock of Apple’s iBook brand has risen more than 50 percent in the past year.
The company said it expects its new iPhone, which is expected to hit stores in late September, to sell at least 1 million units during its launch.
The iPhone 7 and 7 Plus will sell between 2 million and 2.5 million units.
Apple’s shares have been up more than 300 percent this year.