FBI agent John Verrastro said that in reality, Horwitz had no licensing deals and diverted much of the money for personal benefit – including the 2018 purchase of a six-bedroom home with a pool, wine cellar and gym and the assistance of a "celebrity interior designer".
A complaint from the United States Securities and Exchange Commission stated neither Horwitz or his company had ever done business with either of the streaming platforms.
"We allege that Horwitz promised extremely high returns and made them seem plausible by invoking the names of two well-known entertainment companies and fabricating documents," Director of the SEC's Los Angeles Regional Office, Michele Wein Layne said in a statement last April.
"We obtained an asset freeze on an emergency basis to secure for the benefit of investors what remains of the money raised by Horwitz."
Since December 2019, Horwitz's company defaulted on more than 160 payments due to his investors, according to the FBI.
Investigators have ordered him to pay back more than US$230.3m. He pleaded guilty in October to one count of securities fraud after his April arrest, and was today sentenced to a maximum of two decades in federal prison.
"Defendant Zachary Horwitz portrayed himself as a Hollywood success story," the US Attorney's Office for the Central District of California said.
"He branded himself as an industry player who, through his company … leveraged his relationships with online streaming platforms like HBO and Netflix to sell them foreign film distribution rights as a steady premium.
"But, as his victims came to learn, [Horwitz] was not a successful businessman or Hollywood insider. He just played one in real life."