Samsung SDI Sells About 5% of Samsung Display for $3.1bn, the Largest Deal of Q3

An intra-group deal in which Samsung Display buys back its own shares, giving Samsung SDI cash for US battery plants, energy storage and solid-state batteries.

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Deal value
$3.1bn
at KRW/USD 1,450
Stake
5.0%
EV / Revenue
—
EV / EBITDA
—

Deal structure: Secondary

Target financials (LTM)

Revenue$20.5bn
Operating income$2.8bn
EBITDA—
Net income$3.7bn

Lead

On 21 August 2026 Samsung SDI decided to sell 13,088,235 Samsung Display shares at KRW 340,000 each, $3.1bn in total, back to Samsung Display, which is buying them as treasury shares. The cash was paid on 27 August. Samsung SDI’s stake fell from about 15.2% to 10.22%.

USD figures are converted at KRW 1,450 = USD 1.

Why this matters

It is the largest Korean deal of the third quarter by Dealsite’s count. Although it is an intra-group deal with no outside buyer, it gives Samsung SDI, which lost more than $689.7m last year amid weak battery demand, a large amount of cash. Samsung SDI shares rose more than 8% on the day.

Strategic context

Samsung SDI plans to use the money for its US battery plants, energy storage systems (ESS) and solid-state batteries.

Item (Samsung Display)Figure
2025 revenue (consolidated)$20.5bn
2025 operating income$2.8bn
2025 net income$3.7bn
Implied 100% equity value at KRW 340,000 a shareabout $61.4bn
Simple multipleP/E about 17x

Financials from the DART consolidated audit report. The implied 100% value is an estimate derived from the number of shares sold and the change in stake.

What’s next

No further approvals have been reported. How quickly Samsung SDI deploys the money is the next thing to watch.


Advisors: EY Han Young (buy-side financial), Samjong KPMG (sell-side financial), Deloitte Anjin (buy-side accounting), Shin & Kim (buy-side legal), Kim & Chang