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Samsung completes its 53.8 million-share buyback days before preliminary Q3 results
Samsung Electronics has finished buying back 53.8 million of its own shares, 100.96% of the plan it began in August. Its stock now goes into next week's preliminary third-quarter results with no company purchases in the market.
The Investor · Invest desk

What happened
- On October 2, the first session after the purchases ended, Samsung shares swung between slight losses and slight gains.
- Foreign investors were net sellers of both Samsung and SK hynix during the session.
- SK hynix's American depositary receipts gained 5.08% overnight in New York, with Micron up 3.03% after strong results.
- The KOSPI opened 0.47% lower at 6,938.27 and climbed as far as 6,995.19 in morning trading, just under 7,000.
- The 10-year U.S. Treasury yield touched 5.342% overnight, its highest since April 3, 2002.
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Why it matters
- exposure A weak preliminary print would land on a market where retail investors were the only net buyers on October 2, with Samsung's own purchases no longer there to absorb selling.
- constraint Because foreigners sold SK hynix too, the first post-buyback session cannot separate the end of Samsung's bid from pre-holiday profit-taking.
- precedent Filling the plan to 100.96% gives investors grounds to treat Samsung's next buyback target, if one comes, as an amount the company will actually buy.
Dividing 53.8 million shares by 100.96% puts Samsung Electronics' original plan at roughly 53.3 million shares [1], so the company bought about half a million more than it set out to [2]. The report does not say what the program cost in won, or whether Samsung intends to run another [4]. Under this plan, at least, Samsung's cash has stopped going into its own stock [4].
The purchases ran through October 1, so the October 2 session was the first without them [4]. SK hynix, sold by the same foreign investors, rose as much as 1.48% before settling around 0.5% [6]. Samsung drifted either side of flat [5].
New York had pointed higher. By mid-morning, SK hynix's Seoul shares had kept about a tenth of their ADR's overnight gain [6]. The report, citing industry analysts, puts the selling down to profit-taking before the National Foundation Day holiday, with investors watching U.S. Treasury yields [8]. Overnight, a dovish Federal Reserve official had tempered expectations of further rate increases [9].
The KOSPI's previous close works out to 6,971.35 [3]. Measured from there, the morning's swing between 6,927 and 6,995.19 covered about 68 points, roughly 1% of the index [4]. The high stopped 4.81 points short of 7,000 [5].
The jobs data comes first. "If the U.S. employment report released on the 2nd confirms a slowdown in hiring, concerns about additional tightening are likely to ease and the burden from rates should lessen," said Lee Kyoung-min, an analyst at Daishin Securities [11]. Then the results. Han Ji-young of Kiwoom Securities expects limited upside into the holiday as some profit-taking emerges [14]. "Starting with Samsung Electronics' preliminary results next week, the third-quarter earnings season should support the view that the profit cycle remains intact, so it would be appropriate to prioritize a strategy of increasing exposure to the AI value chain," Han said [13].
I think the results will move Samsung more than the missing bid will, because its first session without company purchases trailed SK hynix by only about half a point [5][6]. The counter-case is that one pre-holiday morning is a thin sample for a buyer that had been in the market since August [4]. The view is wrong if Samsung falls behind SK hynix after the preliminary print [1] while foreigners keep selling both [7].
What to watch
- Samsung's preliminary third-quarter results next week, and whether its shares fall behind SK hynix's afterward.
- The U.S. September employment report: Daishin's Lee expects tightening worries to ease if it shows hiring slowing.
- Any new Samsung buyback announcement now that the 53.8 million-share plan is complete.