世芯-KY (3661)
世芯-KY is a TWSE-listed company in Semiconductor. Revenue for September 2026 was NT$9.98B, up 496.0% from a year earlier. EPS over the last four quarters totals NT$72.26.
Company profile
Data as of 2026-10-18
- Market
- TWSE-listed
- Industry
- Semiconductor
- Listed
- 2014-10-28
- Founded
- 2003-02-27
- Paid-in capital
- NT$863.05M
- Common shares issued
- 86,305,114
- Legal name
- 世芯電子股份有限公司
- Website
- https://www.alchip.com
Monthly revenue
Data as of 2026-10-17
| Month | Revenue | MoM | YoY |
|---|---|---|---|
| 2026-09 | NT$9.98B | +13.7% | +496.0% |
| 2026-08 | NT$8.78B | +18.1% | +273.6% |
Year to date: +44.6% vs. last year (Jan–Sep 2026)
Earnings per share (EPS)
Data as of 2026-06-30
| Quarter | EPS (NT$) |
|---|---|
| 2026 Q2 | 20.02 |
| 2026 Q1 | 17.55 |
| 2025 Q4 | 18.29 |
| 2025 Q3 | 16.40 |
| 2025 Q2 | 16.36 |
| 2025 Q1 | 18.13 |
| 2024 Q4 | 22.91 |
| 2024 Q3 | 22.51 |
Last four quarters: NT$72.26
Dividends
Data as of 2026-10-18
| Period | Cash (NT$) | Stock (NT$) | Ex-dividend | Ex-rights | Paid |
|---|---|---|---|---|---|
| 2025 年度 | 34.17 | 0.00 | — | — | — |
Shareholder structure
Data as of 2026-10-16
| Holding range | Holders | Share of total |
|---|---|---|
| 1–999 shares | 92,741 | 7.1% |
| 1,000–5,000 shares | 7,117 | 13.9% |
| 5,001–10,000 shares | 497 | 4.2% |
| 10,001–15,000 shares | 179 | 2.6% |
| 15,001–20,000 shares | 108 | 2.2% |
| 20,001–30,000 shares | 107 | 3.1% |
| 30,001–40,000 shares | 56 | 2.3% |
| 40,001–50,000 shares | 35 | 1.8% |
| 50,001–100,000 shares | 93 | 7.9% |
| 100,001–200,000 shares | 64 | 10.6% |
| 200,001–400,000 shares | 31 | 9.6% |
| 400,001–600,000 shares | 21 | 12.0% |
| 600,001–800,000 shares | 10 | 8.2% |
| 800,001–1,000,000 shares | 6 | 6.1% |
| 1,000,001+ shares | 6 | 8.2% |
TDCC data for 2026-10-16: 6 holders own more than 1,000 lots (8.2% of shares), and 92,741 hold less than one lot (7.1%).
Institutional net buying (last 20 trading days)
Data as of 2026-10-19
| Date | Foreign | Trust | Dealers | Total |
|---|---|---|---|---|
| 2026-10-19 | -41 | 43 | -11 | -9 |
| 2026-10-16 | -308 | 50 | -17 | -275 |
| 2026-10-15 | -367 | 309 | -67 | -125 |
| 2026-10-14 | -183 | 67 | -40 | -156 |
| 2026-10-13 | -755 | 167 | -111 | -699 |
| 2026-10-12 | 13 | 189 | -24 | 178 |
| 2026-10-08 | 73 | 773 | 4 | 850 |
| 2026-10-07 | 394 | 362 | -8 | 748 |
| 2026-10-06 | 433 | 356 | 97 | 886 |
| 2026-10-05 | 314 | 270 | 20 | 604 |
| 2026-10-02 | 76 | 6 | 31 | 113 |
| 2026-10-01 | -163 | -1 | 2 | -162 |
| 2026-09-30 | 79 | -1 | 11 | 89 |
| 2026-09-29 | -93 | -2 | -16 | -111 |
| 2026-09-24 | -131 | -19 | -5 | -155 |
| 2026-09-23 | 121 | -4 | 1 | 118 |
| 2026-09-22 | 191 | 1 | 58 | 250 |
| 2026-09-21 | -186 | -28 | 62 | -152 |
| 2026-09-18 | 2,544 | -2,126 | 80 | 498 |
| 2026-09-17 | -411 | -364 | 28 | -747 |
Unit: lots (1,000 shares). Over the last 20 trading days, institutions were net buyers of 1,743 lots.
Price (official close)
Data as of 2026-10-19
Last close NT$3,715.00 (2026-10-19); 52-week range NT$2,480.00–5,640.00.
Sources
- Source: Taiwan Stock Exchange and Taipei Exchange public data
- Source: Taiwan Stock Exchange and Taipei Exchange public data
- Source: Market Observation Post System (MOPS)
- Source: Taiwan Stock Exchange and Taipei Exchange public data
- Source: Taiwan Depository & Clearing Corporation public data
- Source: Taiwan Stock Exchange and Taipei Exchange public data
- Source: Taiwan Stock Exchange and Taipei Exchange public data
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