Stock data
聯一光 (3441)
聯一光 is a TPEx-listed company in Optoelectronic. Revenue for September 2026 was NT$41.71M, up 8.8% from a year earlier. EPS over the last four quarters totals NT$2.43.
Company profile
Data as of 2026-10-14
- Market
- TPEx-listed
- Industry
- Optoelectronic
- Listed
- 2010-10-04
- Founded
- 1984-03-27
- Paid-in capital
- NT$400.40M
- Common shares issued
- 40,039,920
- Legal name
- 聯一光電股份有限公司
- Website
- https://www.t-unique.com
Monthly revenue
Data as of 2026-10-15
| Month | Revenue | MoM | YoY |
|---|---|---|---|
| 2026-09 | NT$41.71M | -5.0% | +8.8% |
| 2026-08 | NT$43.92M | -14.5% | +0.9% |
Year to date: +25.9% vs. last year (Jan–Sep 2026)
Earnings per share (EPS)
Data as of 2026-06-30
| Quarter | EPS (NT$) |
|---|---|
| 2026 Q2 | 0.69 |
| 2026 Q1 | 0.47 |
| 2025 Q4 | 0.44 |
| 2025 Q3 | 0.83 |
| 2025 Q2 | -0.60 |
| 2025 Q1 | 0.39 |
| 2024 Q4 | 0.42 |
| 2024 Q3 | 0.18 |
Last four quarters: NT$2.43
Dividends
Data as of 2026-10-14
| Period | Cash (NT$) | Stock (NT$) | Ex-dividend | Ex-rights | Paid |
|---|---|---|---|---|---|
| 2025 年度 | 0.85 | 0.00 | — | — | — |
Shareholder structure
Data as of 2026-10-16
| Holding range | Holders | Share of total |
|---|---|---|
| 1–999 shares | 27,937 | 2.5% |
| 1,000–5,000 shares | 8,980 | 34.9% |
| 5,001–10,000 shares | 457 | 9.1% |
| 10,001–15,000 shares | 97 | 3.2% |
| 15,001–20,000 shares | 63 | 3.0% |
| 20,001–30,000 shares | 37 | 2.4% |
| 30,001–40,000 shares | 34 | 3.1% |
| 40,001–50,000 shares | 10 | 1.1% |
| 50,001–100,000 shares | 21 | 4.1% |
| 100,001–200,000 shares | 17 | 5.8% |
| 200,001–400,000 shares | 10 | 6.3% |
| 400,001–600,000 shares | 6 | 7.2% |
| 600,001–800,000 shares | 2 | 3.5% |
| 800,001–1,000,000 shares | 1 | 2.4% |
| 1,000,001+ shares | 3 | 11.4% |
TDCC data for 2026-10-16: 3 holders own more than 1,000 lots (11.4% of shares), and 27,937 hold less than one lot (2.5%).
Institutional net buying (last 20 trading days)
Data as of 2026-10-19
| Date | Foreign | Trust | Dealers | Total |
|---|---|---|---|---|
| 2026-10-19 | -80 | 0 | 8 | -72 |
| 2026-10-16 | -69 | 0 | 13 | -56 |
| 2026-10-15 | -72 | 0 | 57 | -15 |
| 2026-10-14 | 21 | 0 | 81 | 102 |
| 2026-10-13 | 199 | 0 | 12 | 211 |
| 2026-10-12 | -177 | 0 | 12 | -165 |
| 2026-10-08 | -84 | 0 | 85 | 1 |
| 2026-10-07 | 1,925 | 0 | -11 | 1,914 |
| 2026-10-06 | -449 | 0 | -14 | -463 |
| 2026-10-05 | -386 | 0 | 5 | -381 |
| 2026-10-02 | -398 | 0 | -355 | -753 |
| 2026-10-01 | 136 | 0 | 103 | 239 |
| 2026-09-30 | -67 | 0 | -29 | -96 |
| 2026-09-29 | -99 | 0 | 1 | -98 |
| 2026-09-24 | 49 | 0 | -2 | 47 |
| 2026-09-23 | 15 | 0 | 6 | 21 |
| 2026-09-22 | 195 | 0 | 63 | 258 |
| 2026-09-21 | 26 | 0 | 154 | 180 |
| 2026-09-18 | 70 | 0 | 92 | 162 |
| 2026-09-17 | -114 | 0 | -58 | -172 |
Unit: lots (1,000 shares). Over the last 20 trading days, institutions were net buyers of 864 lots.
Price (official close)
Data as of 2026-10-19
Last close NT$244.00 (2026-10-19); 52-week range NT$29.15–280.50.
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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