Samsung SDI Swings to Profit After 7 Straight Quarterly Losses

Samsung SDI just posted its first quarterly operating profit in nearly two years, reporting 203.8 billion won in operating income for the April-June quarter versus a 397.8 billion won loss a year earlier — a swing that ends seven straight quarters of red ink and beats the average analyst estimate.

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What Happened

Samsung SDI's provisional second-quarter results, released Thursday, showed revenue of 3.77 trillion won, up 18.5% year-over-year and 5.4% from the prior quarter. Operating profit came in at 203.8 billion won, reversing both the year-ago loss and the 155.6 billion won loss the company posted just one quarter earlier in Q1 2026. Net income landed at 471.6 billion won, compared with a 166.7 billion won net loss in the same period last year.

The beat was significant: analysts surveyed by Yonhap Infomax had penciled in average net profit of just 105.7 billion won, meaning Samsung SDI's actual net income came in more than four times consensus. For the first half of 2026, cumulative revenue reached 7.35 trillion won (up 15.6% year-over-year), with cumulative operating profit of 48.2 billion won — a sharp reversal from an 831.9 billion won operating loss in the first half of last year.

Why It Matters

The battery division did the heavy lifting. It posted revenue of 3.52 trillion won, up 18.8% year-over-year, and operating profit of 159.3 billion won, driven by stronger sales of high-power batteries for UPS systems, battery backup units (BBUs), power tools, and EV batteries into the European market. That's a notable shift in the story: Samsung SDI has spent much of the past two years grinding through an EV demand slowdown, and this quarter shows the company's diversification into non-automotive, higher-margin battery applications is starting to show up on the bottom line.

It also lines up with a broader shift already underway across the sector. Energy storage systems have increasingly become the growth engine for Korean battery makers as EV demand cools, and U.S. production incentives under the Inflation Reduction Act have been a key tailwind — Samsung SDI has been ramping ESS battery manufacturing capacity in the U.S. toward roughly 30GWh by the end of 2026, more than four times its prior scale, positioning ESS to become a larger share of profit going forward.

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Who's Affected

Samsung SDI's turnaround adds to a run of stronger-than-expected results from Samsung group affiliates this earnings season, following the record profit Samsung Electronics itself just posted on AI-driven memory demand. It's also consistent with the shift in sentiment I flagged in Samsung's 2027 Shortage Warning Sparks Kospi's Sharpest Rebound — Korean chip and battery names have been repricing on tighter supply and improving fundamentals after a brutal stretch for the Kospi. That said, not every desk is convinced the rally in SDI shares is fully backed by earnings: as I noted in Mirae Asset Slashes Samsung, SK Hynix Targets 33%—Still Says Buy, some brokerages have been trimming price targets on Samsung-affiliated names even while maintaining bullish ratings, arguing valuations had run ahead of fundamentals. Analyst reaction to this specific print has been split in a similar way — some houses have raised targets on the back of the ESS ramp, while at least one brokerage cut its target on Samsung SDI, arguing the stock already trades above what current earnings power justifies even accounting for its solid-state battery pipeline and Samsung Display asset value.

Beyond Samsung SDI itself, the print is a data point for the broader battery supply chain — materials suppliers, ESS system integrators, and other Korean battery makers competing for the same U.S. incentive-driven demand. A profitable Samsung SDI also matters for sentiment in Korean industrials broadly, at a moment when the Kospi has been unusually volatile.

What to Watch Next

The next signals to track are whether the ESS-driven margin improvement holds up as U.S. capacity comes fully online through the rest of 2026, whether EV battery demand stabilizes in Europe, and how the market's target-price debate resolves — the split between brokerages raising and cutting targets on the same earnings beat is itself a signal that the stock's valuation, not just its earnings trajectory, is now the contested question. Samsung SDI's full second-half guidance and any additional detail on U.S. AMPC tax credit contributions, typically disclosed on the formal earnings call, will also matter for confirming how durable this quarter's swing to profit really is.

This is not financial advice — always do your own research before making investment decisions.

Samsung SDI's first profitable quarter since 2024 is a real turnaround, driven by a genuine shift toward higher-margin ESS and non-EV battery products rather than a one-off accounting item — but with analysts already disagreeing over whether the stock's price reflects that improvement or has gotten ahead of it, the earnings beat alone doesn't settle the valuation debate.