Stock data
先益 (3531)
先益 is a TPEx-listed company in Optoelectronic. Revenue for September 2026 was NT$68.44M, down 10.4% from a year earlier. EPS over the last four quarters totals NT$1.33.
Company profile
Data as of 2026-10-14
- Market
- TPEx-listed
- Industry
- Optoelectronic
- Listed
- 2008-04-08
- Founded
- 1979-10-11
- Paid-in capital
- NT$611.75M
- Common shares issued
- 61,175,011
- Legal name
- 先益電子工業股份有限公司
- Website
- https://www.shianyih.com.tw
Monthly revenue
Data as of 2026-10-15
| Month | Revenue | MoM | YoY |
|---|---|---|---|
| 2026-09 | NT$68.44M | -20.4% | -10.4% |
| 2026-08 | NT$86.02M | +23.6% | -6.6% |
Year to date: -24.5% vs. last year (Jan–Sep 2026)
Earnings per share (EPS)
Data as of 2026-06-30
| Quarter | EPS (NT$) |
|---|---|
| 2026 Q2 | -0.16 |
| 2026 Q1 | 0.33 |
| 2025 Q4 | 0.77 |
| 2025 Q3 | 0.39 |
| 2025 Q2 | -1.25 |
| 2025 Q1 | 0.39 |
| 2024 Q4 | 0.90 |
| 2024 Q3 | -0.87 |
Last four quarters: NT$1.33
Dividends
Data as of 2026-10-14
| Period | Cash (NT$) | Stock (NT$) | Ex-dividend | Ex-rights | Paid |
|---|---|---|---|---|---|
| 2025 年度 | 0.50 | 0.00 | — | — | — |
Shareholder structure
Data as of 2026-10-16
| Holding range | Holders | Share of total |
|---|---|---|
| 1–999 shares | 603 | 0.1% |
| 1,000–5,000 shares | 878 | 3.0% |
| 5,001–10,000 shares | 144 | 1.9% |
| 10,001–15,000 shares | 42 | 0.9% |
| 15,001–20,000 shares | 25 | 0.8% |
| 20,001–30,000 shares | 25 | 1.0% |
| 30,001–40,000 shares | 13 | 0.7% |
| 40,001–50,000 shares | 14 | 1.0% |
| 50,001–100,000 shares | 20 | 2.4% |
| 100,001–200,000 shares | 15 | 3.6% |
| 200,001–400,000 shares | 11 | 4.9% |
| 400,001–600,000 shares | 8 | 6.2% |
| 600,001–800,000 shares | 6 | 7.2% |
| 800,001–1,000,000 shares | 4 | 5.4% |
| 1,000,001+ shares | 15 | 60.8% |
TDCC data for 2026-10-16: 15 holders own more than 1,000 lots (60.8% of shares), and 603 hold less than one lot (0.1%).
Institutional net buying (last 20 trading days)
Data as of 2026-10-19
| Date | Foreign | Trust | Dealers | Total |
|---|---|---|---|---|
| 2026-10-19 | 0 | 0 | -1 | -1 |
| 2026-10-16 | 0 | 0 | 0 | 0 |
| 2026-10-12 | 0 | 0 | 0 | 0 |
| 2026-10-08 | 0 | 0 | 0 | 0 |
| 2026-10-07 | 0 | 0 | -3 | -3 |
| 2026-09-24 | 0 | 0 | 0 | 0 |
| 2026-09-22 | 0 | 0 | 0 | 0 |
| 2026-08-27 | 0 | 0 | 0 | 0 |
| 2026-08-26 | 0 | 0 | 0 | 0 |
| 2026-08-24 | 0 | 0 | 0 | 0 |
| 2026-08-17 | 0 | 0 | 0 | 0 |
| 2026-08-11 | 0 | 0 | -7 | -7 |
| 2026-08-07 | 0 | 0 | -2 | -2 |
| 2026-08-06 | 0 | 0 | 0 | 0 |
| 2026-07-30 | 0 | 0 | 2 | 2 |
| 2026-07-29 | 0 | 0 | 5 | 5 |
| 2026-07-28 | 0 | 0 | 5 | 5 |
| 2026-07-20 | 0 | 0 | -1 | -1 |
| 2026-07-17 | 0 | 0 | 0 | 0 |
| 2026-07-09 | 0 | 0 | 1 | 1 |
Unit: lots (1,000 shares). Over the last 20 trading days, institutions were net sellers of 1 lots.
Price (official close)
Data as of 2026-10-19
Last close NT$21.45 (2026-10-19); 52-week range NT$20.20–24.85.
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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