Jonathan Steinberg holds about 9.8 million shares of WisdomTree, making up around 7.3% of the company. His wealth in the company has seen fluctuations; for example, in 2015, he was worth approximately $6.3 million due to a mix of stock...

Jonathan Steinberg holds about 9.8 million shares of WisdomTree, making up around 7.3% of the company. His wealth in the company has seen fluctuations; for example, in 2015, he was worth approximately $6.3 million due to a mix of stock options and cash. Most recently, his holdings were worth significantly less, showcasing the volatility in investment markets. His investment in WisdomTree has been a long-term play, reflecting his commitment to the company's growth alongside its challenges in the competitive asset management landscape.