S&S Tech

101490 · KOSDAQ · ₩101490 · 에스앤에스텍

₩36,750▼ ₩2,500 (6.37%)End-of-day · Oct 26, 2026 · End-of-day prices.
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Price · 1Y −38.24%
Market cap
₩784B
Enterprise value
₩716B
P/E
12.5×
P/B
2.3×
Dividend yield
0.5%
ROE
18.7%
Net margin
24.8%

Trailing 12 months from filed financial statements, as of H1 2026. Dividend yield: the 2025 dividend per share from the annual report ÷ today's price.

52-week range−66.1% from the high

₩31,900Today: ₩36,750 – ₩38,650₩108,400

Returns

  • 1W−18.5%
  • 1M−16.7%
  • 3M−10.3%
  • 6M−64.8%
  • YTD−23.9%
  • 1Y−41.0%
Volume today
170,407
0.6× the 20-day average
Traded today
₩6.4B
Listed shares
21,334,879
EPS (12 months)
₩2,947
Earnings yield 8.0%
AI researchResearch being writtenOur AI is writing a report on this company from filed data, prices and news. Check back soon.

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Why is it moving?

−6.4% on Oct 26, 2026.

S&S Tech filed a notice on 27 October 2026 saying it has decided to cancel some of its own shares. Companies often do this to reduce the number of shares in circulation.

AI summary of the news and filings linked. It can be wrong; check them.

Possible reasons, not certainties. Not financial advice.

Signals

36Quiet
  • BuzzQuietBuzz 36 of 100 (50 is a normal day for this stock).
  • SentimentMixedNews: Only one routine filing about a share cancellation decision. Community: 0 bullish, 0 bearish posts this week.
  • MomentumWeak-15.8% over the last month; the price is below its 20-day average.
  • News impactSome1 news items and filings in two weeks; 0 rated high impact, 1 medium.

Signals describe activity, not recommendations. Not financial advice.

Leveraged ETF flows

Estimated leveraged-ETF rebalance on Oct 26: sell ₩518M at the close (3.8% of 20-day average trading value)

Sep 23Last 20 trading days (% of average trading value)Oct 26

On its 26 biggest days of the last 60 (moves of 3%+), the estimated pressure averaged 8.7% of trading value and pointed the same way 23 of 26 times.

  • 2× KODEX KOSDAQ150 Leverage −₩436M
  • -1× KODEX KOSDAQ150 Futures Inverse −₩36M
  • 2× TIGER KOSDAQ150 Leverage −₩32M
  • 2× RISE KOSDAQ150 Futures Leverage −₩9.3M
  • -1× TIGER KOSDAQ150 Futures Inverse −₩1M

Mostly via futures: index funds hedge with KOSPI 200 / KOSDAQ 150 futures, spread here over the index's largest members by market value.

Final after the close. An intraday "if the close were now" estimate needs real-time prices, which we don't have yet.

Estimate based on ETF size and daily moves; actual trades may differ.

ETFs holding this

All ETFs →

Held by 11 funds.

Estimated from the funds' index or underlying stock.

S&S Tech stock overview

S&S Tech (에스앤에스텍, KRX: 101490) is listed on KOSDAQ, in the Electronic components sector. The company produces and sells blank masks, the raw material for photomasks, for semiconductor (IC) and flat panel display (FPD) manufacturers, with operations in Daegu and Yongin, Gyeonggi Province. Its shares closed at ₩36,750 on Oct 26, 2026, down 6.37% on the day, giving it a market value of ₩784B.

Key facts

Market cap
₩784B
Sector
Electronic components
Latest price change
−6.37%
As of
Oct 26, 2026
Main business
The company produces and sells blank masks, the raw material for photomasks, for semiconductor (IC) and flat panel display (FPD) manufacturers, with operations in Daegu and Yongin, Gyeonggi Province.

Quick answers about S&S Tech

What does S&S Tech do?
The company produces and sells blank masks, the raw material for photomasks, for semiconductor (IC) and flat panel display (FPD) manufacturers, with operations in Daegu and Yongin, Gyeonggi Province. Its blank masks are made by coating quartz substrates with chrome and photoresist, and are sold directly to domestic and overseas customers, including in Taiwan and China. The company also has subsidiaries engaged in venture capital-related financing and bio and science technology services.
What is the market cap of S&S Tech?
The market capitalisation of S&S Tech was ₩784B at the close on Oct 26, 2026.
Who are the largest shareholders of S&S Tech?
According to the latest official filings, the largest reported holders are Jung Su-hong (21.94%, as of Jan 30, 2026); Mirae Asset Global Investors (4.96%, as of Nov 5, 2025); Samsung Asset Management (4.07%, as of Sep 29, 2026).
When is the next earnings report from S&S Tech?
Korean companies rarely announce results dates in advance. Based on when S&S Tech filed the same report in past years, its next 3q results is expected around Nov 13, 2026.
Does the National Pension Service own S&S Tech?
Yes. The National Pension Service held 3.95% of S&S Tech shares as of Jul 1, 2026.

Company profile

The company produces and sells blank masks, the raw material for photomasks, for semiconductor (IC) and flat panel display (FPD) manufacturers, with operations in Daegu and Yongin, Gyeonggi Province. Its blank masks are made by coating quartz substrates with chrome and photoresist, and are sold directly to domestic and overseas customers, including in Taiwan and China. The company also has subsidiaries engaged in venture capital-related financing and bio and science technology services.

Written by AI from the company's latest annual report.

Korean name
에스앤에스텍
CEO
정수홍
Founded
Feb 2001
Listed
Apr 2009
Listed shares
21,334,879
Fiscal year ends
Month 12

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Titles in Korean until English translations are added.

Also known as: S&S Tech / 에스앤에스텍 / 101490 / KRX:101490

Source: KRX statistical information