Three Korean Space ETFs, One Stock: SpaceX's Rerating Is Doing All the Work

Three Korean-listed ETFs sold on the theme of U.S. aerospace returned between 15.37% and 17.01% from August 5 to August 13, according to ETF CHECK data cited by Seoul Economic Daily: TIGER U.S. Space Tech up 16.73%, ACE U.S. Space Tech Active up 17.01%, KODEX U.S. Aerospace up 15.37% ^[1]. All three hold SpaceX at roughly 22% to 27% of assets ^[2], and SpaceX closed at $146.15 in New York on August 12, up 9.65% on the day and about 35% from the $108.27 low set on August 5, the date of its first earnings report ^[3][4].

The arithmetic is not subtle. A 35% move on a 22% to 27% weight contributes about 7.7 to 9.5 percentage points of return on its own ^[1], or somewhere between 45% and 62% of what these funds actually delivered ^[2]. The spread between the best and worst performer of the three was 1.64 percentage points ^[3]. Whatever else sits in these baskets, it was not the deciding factor. The source material does not disclose the funds' expense ratios, so the precise drag is unknown; what is knowable is that the fee buys diversification that did not show up in the return dispersion.

The catalyst had nothing to do with rockets. Seoul Economic Daily attributes the rebound to the launch of Grok Bot, an agent product that lets multiple AI agents split and hand off tasks ^[5], plus a post by Elon Musk on X claiming that Grok 4.7, due within three to four weeks, would surpass every existing AI model ^[6]. SpaceX now combines aerospace and satellite communications with the neocloud and AI model businesses absorbed through its merger with xAI ^[7]. The bull thesis, per analysts cited in the report, is that Wall Street has priced only the aerospace and satellite piece and will eventually rerate the company as a cloud operator and AI model vendor ^[8]. Morgan Stanley put an overweight rating and a $300 target on the stock, with a $600 bull case, arguing it trades below neocloud comparables such as CoreWeave and citing the completed Cursor acquisition and a Grok 5 release this year as catalysts ^[9]. That target implies about 105% upside from the August 12 close, and the bull case about 310% ^[4].

If that rerating happens, holders of these ETFs will own an AI infrastructure position under an aerospace label. Morgan Stanley projects combined capital spending by Amazon, Google, Microsoft, Meta and SpaceX rising from $786 billion in 2026 to $1.277 trillion in 2028, a 62% increase ^[10][5]. It puts SpaceX's own capex next year at $159 billion, against Meta's $196 billion ^[11], about 81% of Meta's figure ^[6] and roughly 14% of the five-company total ^[7]. One securities industry official described this to Seoul Economic Daily as "a de facto fifth cloud" joining the infrastructure race and firming the floor under semiconductor demand ^[12].

Watch the weights. The stock has already cleared its $135 offering price after lockup supply hit the market and is close to its $150 first-day open ^[13], which puts it 8.3% above the IPO price and 2.6% below that open ^[8]. If the rerating continues, SpaceX's share of these funds rises mechanically unless the managers trim, and the disclosed weight band is the number to check before the next Grok release date rather than after.