SpaceX IPO filing sparks a bull market in space stocks. How to buy in

Space stocks are pushing ahead with their recent rally after the Memorial Day break, propelled by enthusiasm surrounding the initial public offering for SpaceX that was filed officially last week. Retail traders are piling into space stocks and ETFs ahead of the estimated trillion-dollar IPO, with investors trying to find beneficiaries and proxy trades for what could be the largest initial offering ever. While publicly traded space-focused companies are limited in number, enthusiasm is high among retail investors who want to get any piece of the space economy. The VanEck space ETF ( WARP ) is up 24 percent in just 5 days, with holdings including Rocket Lab Corp., Planet Labs , Firefly Aerospace and Intuitive Machines booming. The Procure Space ETF (UFO) is up about 65% year-to-date and more than 100% over the past six months. Analysts see both direct and indirect beneficiaries of the IPO for space companies due to SpaceX's "monopolistic" position within the global launch sector that could provide momentum for a wide range of space-related companies. "[The] launch segment has 'monopolistic' market share: SpaceX maintains overwhelming leadership in orbital mass-to-orbit," Rohit Kulkarni, senior analyst with Roth, wrote in a Tuesday note. "Extreme vertical integration drives cost advantages and rapid iteration." Beneficiaries and proxies Wall Street is seeing an "IPO premium" that's boosting not only SpaceX's suppliers and partner companies but even its competitors. …