Rocket Lab Shares Slide as Wider Q3 Loss Overshadows Record Revenue and Backlog

Rocket Lab USA reported record quarterly revenue and a record backlog for the third quarter of 2026, but shares fell as investors focused on a wider-than-expected loss rather than the headline growth figures. The stock's reaction varied by session: Yahoo Finance reported on November 9, 2026 that shares fell 3.8% to $56.48 immediately after the results were released, while Seeking Alpha reported that shares dropped around 7% in premarket trading on Tuesday, November 10, after the company posted a wider-than-expected Q3 loss.

Revenue Beat, But Loss Overshadows It

According to Yahoo Finance's reported figures, Rocket Lab posted Q3 revenue of $267.8 million against S&P analysts' consensus estimate of $258 million. By our calculation (267.8 minus 258, divided by 258), that is a 3.8% beat versus consensus. Yahoo Finance also reported year-on-year growth of 72.7% for the quarter.

CEO Peter Beck, cited by Yahoo Finance, said the company delivered a record $268 million in revenue, $34 million higher than the prior quarter, alongside a record backlog that grew to $3.57 billion. Beck said nearly $1 billion of that backlog came from new launch contracts signed in the third quarter alone, with an additional $470 million signed for the company's Space Systems segment.

Despite those figures, Seeking Alpha's reporting framed the quarter around the loss, noting that the wider-than-expected Q3 shortfall overshadowed strong revenue growth and an upbeat fourth-quarter outlook. The evidence reviewed does not specify the exact per-share loss or what drove the gap versus expectations, so the size of that miss should be treated as unquantified here. On the outlook, Yahoo Finance reported that Rocket Lab guided to $280 million of fourth-quarter revenue at the midpoint, above analysts' consensus of $266.4 million — a gap of $13.6 million, or 5.1% by our calculation (280 minus 266.4, divided by 266.4) — and to Q4 EBITDA of $17 million at the midpoint against an analyst consensus of a $12.62 million loss. Yahoo Finance also reported an adjusted EBITDA margin of -6.7% for the quarter, compared with -16.9% in the same quarter a year earlier, and said analysts, per S&P, forecast full-year EPS improving from negative $0.37 to negative $0.12. Bottom line: on the reported figures, revenue growth accelerated and losses narrowed on an adjusted EBITDA basis, but — as an interpretation tied to those same reported margin, guidance and EPS numbers — the company remains unprofitable on the metrics disclosed, and the market's immediate reaction to the quarter was negative.