建國 (5515)
建國 is a TWSE-listed company in Building Material & Construction. Revenue for September 2026 was NT$682.74M, down 1.1% from a year earlier. EPS over the last four quarters totals NT$9.86.
Company profile
Data as of 2026-10-18
- Market
- TWSE-listed
- Industry
- Building Material & Construction
- Listed
- 2003-10-06
- Founded
- 1960-11-21
- Paid-in capital
- NT$2.02B
- Common shares issued
- 201,600,084
- Legal name
- 建國工程股份有限公司
- Website
- http://www.ckgroup.com.tw
Monthly revenue
Data as of 2026-10-17
| Month | Revenue | MoM | YoY |
|---|---|---|---|
| 2026-09 | NT$682.74M | +7.0% | -1.1% |
| 2026-08 | NT$638.01M | -8.6% | -4.4% |
Year to date: +19.8% vs. last year (Jan–Sep 2026)
Earnings per share (EPS)
Data as of 2026-06-30
| Quarter | EPS (NT$) |
|---|---|
| 2026 Q2 | 4.12 |
| 2026 Q1 | 1.96 |
| 2025 Q4 | 1.57 |
| 2025 Q3 | 2.21 |
| 2025 Q2 | 0.24 |
| 2025 Q1 | 0.46 |
| 2024 Q4 | 0.93 |
| 2024 Q3 | 0.68 |
Last four quarters: NT$9.86
Dividends
Data as of 2026-10-18
| Period | Cash (NT$) | Stock (NT$) | Ex-dividend | Ex-rights | Paid |
|---|---|---|---|---|---|
| 2025 年度 | 3.30 | 0.00 | — | — | — |
Shareholder structure
Data as of 2026-10-16
| Holding range | Holders | Share of total |
|---|---|---|
| 1–999 shares | 5,923 | 0.7% |
| 1,000–5,000 shares | 3,603 | 4.0% |
| 5,001–10,000 shares | 795 | 2.9% |
| 10,001–15,000 shares | 263 | 1.6% |
| 15,001–20,000 shares | 182 | 1.6% |
| 20,001–30,000 shares | 154 | 1.9% |
| 30,001–40,000 shares | 69 | 1.2% |
| 40,001–50,000 shares | 56 | 1.3% |
| 50,001–100,000 shares | 116 | 4.1% |
| 100,001–200,000 shares | 56 | 3.9% |
| 200,001–400,000 shares | 38 | 5.4% |
| 400,001–600,000 shares | 18 | 4.3% |
| 600,001–800,000 shares | 6 | 1.9% |
| 800,001–1,000,000 shares | 6 | 2.6% |
| 1,000,001+ shares | 28 | 62.5% |
TDCC data for 2026-10-16: 28 holders own more than 1,000 lots (62.5% of shares), and 5,923 hold less than one lot (0.7%).
Institutional net buying (last 20 trading days)
Data as of 2026-10-19
| Date | Foreign | Trust | Dealers | Total |
|---|---|---|---|---|
| 2026-10-19 | 12 | -2 | -32 | -22 |
| 2026-10-16 | -250 | -1 | -1 | -252 |
| 2026-10-15 | 253 | 0 | 20 | 273 |
| 2026-10-14 | -60 | 0 | 20 | -40 |
| 2026-10-13 | 13 | 0 | 10 | 23 |
| 2026-10-12 | -38 | 0 | 3 | -35 |
| 2026-10-08 | 48 | 0 | -14 | 34 |
| 2026-10-07 | 48 | 0 | 3 | 51 |
| 2026-10-06 | 41 | 1 | -9 | 33 |
| 2026-10-05 | 21 | 0 | -2 | 19 |
| 2026-10-02 | -85 | 0 | -1 | -86 |
| 2026-10-01 | -2 | 0 | 3 | 1 |
| 2026-09-30 | -74 | 0 | 13 | -61 |
| 2026-09-29 | -21 | 0 | 7 | -14 |
| 2026-09-24 | 135 | 0 | -17 | 118 |
| 2026-09-23 | 48 | 0 | -5 | 43 |
| 2026-09-22 | 61 | 0 | -1 | 60 |
| 2026-09-21 | -46 | 0 | -24 | -70 |
| 2026-09-18 | -10 | 0 | 7 | -3 |
| 2026-09-17 | 22 | 0 | 1 | 23 |
Unit: lots (1,000 shares). Over the last 20 trading days, institutions were net buyers of 95 lots.
Price (official close)
Data as of 2026-10-19
Last close NT$50.80 (2026-10-19); 52-week range NT$25.10–56.40.
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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