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SPCX IPO Frenzy: Reddit Digests the SpaceX S-1 Ahead of Historic Listing

A closer look at the Reddit conversation around SPCX as the SpaceX IPO approaches, with investors debating the S-1 filing's details on Starlink growth, the xAI merger's impact, and whether the $1.75 trillion valuation is justified.

  1. Reddit erupted over the SpaceX S-1 filing two days before the IPO, with a single post on r/investing attracting over 2,000 upvotes and 1,100 comments.

  2. Investors highlighted Starlink's 63% EBITDA margins and 50% revenue growth, but flagged that the company posted a net loss of $4.9 billion in 2025 following its merger with xAI.

With the

SPCX
$SPCX IPO set for June 12, Reddit was buzzing on June 10 as retail investors pored over the company's S-1 filing. The stock topped the Tendie.bot rankings with 19 posts, 580 comments, and 941 upvotes, reflecting intense interest in what many called the largest IPO in financial market history.

The S-1 Deep Dive

The most upvoted post on r/investing offered a detailed breakdown of the S-1, highlighting both the promise and the peril. The post noted that SpaceX handles 82% of all US space launches and 45% of every commercial space contract globally. Starlink, the satellite internet business, reached 10 million subscribers across 164 countries by the end of Q1 2026—roughly double its base a year earlier—and generated $3.26 billion in connectivity revenue in Q1 alone.

But the numbers on the bottom line gave investors pause. SpaceX posted a $2.6 billion loss in 2025, and its operating loss ballooned to $1.9 billion in early 2026. Over the past four quarters, the company is estimated to have burned through roughly $30 billion in cash. At that burn rate, the entire $75 billion IPO raise would be gone in about 2.5 years.

Value Investors Push Back

On r/ValueInvesting, a user explained why they were sitting out the IPO. They conceded that Starlink is a formidable business—39% operating margins, 63% EBITDA margins, 50% revenue growth—but argued the valuation had run ahead of fundamentals. The valuation trajectory was stark: $350 billion in May 2025, $800 billion in December 2025, $1.25 trillion after the xAI merger, and $1.75 trillion at IPO. That is a 5x increase without a major improvement in the core business.

The impact of the xAI merger stood out. Before the deal, SpaceX earned $791 million in net income in 2024. After the merger, it posted a $4.9 billion net loss in 2025. The Q1 2026 net loss of $4.3 billion nearly matched the entire prior year's loss.

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Exit Liquidity and Private Market Chatter

On r/wallstreetbets, traders discussed the private market dynamics. Those who bought SpaceX private shares (ticker SPAX.PVT) below $53 in 2025 were poised to find liquidity in the IPO. The post explained the process for accredited investors through platforms like Forge Global and Nasdaq Private Market.

Overall, Reddit sentiment on

SPCX
$SPCX was moderately bullish at 0.49 on a scale of 0 to 1, with r/investing showing stronger bullishness (0.58) than r/wallstreetbets (0.54). The conversation reflected a market that is deeply divided between the promise of Starlink's growth and the sobering reality of the company's cash consumption.

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