Maye Musk, mother of Elon Musk, arrives at the Nasdaq MarketSite to attend the closing bell after the launch of SpaceX's initial public offering (IPO) in New York on June 12, 2026. Shares in Elon Musk's SpaceX jumped as much as 30 percent on their trading debut after the biggest IPO in history, making the polarizing entrepreneur the world's first trillionaire as he vowed to take humanity to Mars. (Photo by ANGELA WEISS / AFP via Getty Images)

Maye Musk, mother of Elon Musk, arrives at the Nasdaq MarketSite to attend the closing bell after the launch of SpaceX's initial public offering (IPO) in New York on June 12, 2026. Shares in Elon Musk's SpaceX jumped as much as 30 percent on their trading debut after the biggest IPO in history, making the polarizing entrepreneur the world's first trillionaire as he vowed to take humanity to Mars. (Photo by ANGELA WEISS / AFP via Getty Images)

Maye Musk, mother of Elon Musk, arrives at the Nasdaq MarketSite to attend the closing bell after the launch of SpaceX's initial public offering (IPO) in New York on June 12, 2026. Shares in Elon Musk's SpaceX jumped as much as 30 percent on their trading debut after the biggest IPO in history, making the polarizing entrepreneur the world's first trillionaire as he vowed to take humanity to Mars. (Photo by ANGELA WEISS / AFP via Getty Images)

A SpaceX ad is displayed on a screen in Times Square near the Nasdaq MarketSite after the launch of SpaceX's initial public offering (IPO) in New York on June 12, 2026. Shares in Elon Musk's SpaceX jumped as much as 30 percent on their trading debut after the biggest IPO in history, making the polarizing entrepreneur the world's first trillionaire as he vowed to take humanity to Mars. (Photo by ANGELA WEISS / AFP via Getty Images)

A SpaceX ad is displayed on a screen in Times Square near the Nasdaq MarketSite after the launch of SpaceX's initial public offering (IPO) in New York on June 12, 2026. Shares in Elon Musk's SpaceX jumped as much as 30 percent on their trading debut after the biggest IPO in history, making the polarizing entrepreneur the world's first trillionaire as he vowed to take humanity to Mars. (Photo by ANGELA WEISS / AFP via Getty Images)

Images of SpaceX rockets are displayed on screens in Times Square near the Nasdaq MarketSite after the launch of SpaceX's initial public offering (IPO) in New York on June 12, 2026. Shares in Elon Musk's SpaceX jumped as much as 30 percent on their trading debut after the biggest IPO in history, making the polarizing entrepreneur the world's first trillionaire as he vowed to take humanity to Mars. (Photo by ANGELA WEISS / AFP via Getty Images)

Images of SpaceX rockets are displayed on screens in Times Square near the Nasdaq MarketSite after the launch of SpaceX's initial public offering (IPO) in New York on June 12, 2026. Shares in Elon Musk's SpaceX jumped as much as 30 percent on their trading debut after the biggest IPO in history, making the polarizing entrepreneur the world's first trillionaire as he vowed to take humanity to Mars. (Photo by ANGELA WEISS / AFP via Getty Images)

SpaceX advertisements are seen on a digital billboard at the Nasdaq MarketSite in Times Square to celebrate the launch of SpaceX's initial public offering (IPO) in New York on June 12, 2026. Elon Musk's SpaceX begins trading on the Nasdaq exchange on Friday with the biggest initial public offering in history expected to make the polarizing entrepreneur the world's first trillionaire. The company priced more than 555 million shares at $135 each in a filing with the US markets regulator on Thursday, placing SpaceX in the top 10 of Wall Street's biggest companies with a valuation of just under $1.8 trillion -- ahead of Tesla, Facebook-owner Meta and Walmart. (Photo by ANGELA WEISS / AFP via Getty Images)