M31 (6643)
M31 is a TPEx-listed company in Semiconductor. Revenue for September 2026 was NT$153.25M, up 23.0% from a year earlier. EPS over the last four quarters totals NT$0.96.
Company profile
Data as of 2026-10-14
- Market
- TPEx-listed
- Industry
- Semiconductor
- Listed
- 2019-01-23
- Founded
- 2011-10-21
- Paid-in capital
- NT$426.20M
- Common shares issued
- 42,620,160
- Legal name
- 円星科技股份有限公司
- Website
- https://www.m31tech.com
Monthly revenue
Data as of 2026-10-15
| Month | Revenue | MoM | YoY |
|---|---|---|---|
| 2026-09 | NT$153.25M | -13.1% | +23.0% |
| 2026-08 | NT$176.34M | +6.5% | +73.1% |
Year to date: +6.0% vs. last year (Jan–Sep 2026)
Earnings per share (EPS)
Data as of 2026-06-30
| Quarter | EPS (NT$) |
|---|---|
| 2026 Q2 | -0.06 |
| 2026 Q1 | -1.18 |
| 2025 Q4 | 2.38 |
| 2025 Q3 | -0.18 |
| 2025 Q2 | -0.98 |
| 2025 Q1 | 0.47 |
| 2024 Q4 | -1.28 |
| 2024 Q3 | 0.67 |
Last four quarters: NT$0.96
Dividends
Data as of 2026-10-14
| Period | Cash (NT$) | Stock (NT$) | Ex-dividend | Ex-rights | Paid |
|---|---|---|---|---|---|
| 2025 年度 | 1.20 | 0.00 | — | — | — |
Shareholder structure
Data as of 2026-10-16
| Holding range | Holders | Share of total |
|---|---|---|
| 1–999 shares | 16,101 | 5.4% |
| 1,000–5,000 shares | 5,948 | 24.2% |
| 5,001–10,000 shares | 447 | 7.7% |
| 10,001–15,000 shares | 137 | 4.0% |
| 15,001–20,000 shares | 57 | 2.3% |
| 20,001–30,000 shares | 50 | 3.0% |
| 30,001–40,000 shares | 21 | 1.8% |
| 40,001–50,000 shares | 9 | 0.9% |
| 50,001–100,000 shares | 33 | 5.4% |
| 100,001–200,000 shares | 10 | 3.4% |
| 200,001–400,000 shares | 8 | 4.7% |
| 400,001–600,000 shares | 2 | 2.5% |
| 600,001–800,000 shares | 1 | 1.5% |
| 800,001–1,000,000 shares | 0 | 0.0% |
| 1,000,001+ shares | 4 | 33.1% |
TDCC data for 2026-10-16: 4 holders own more than 1,000 lots (33.1% of shares), and 16,101 hold less than one lot (5.4%).
Institutional net buying (last 20 trading days)
Data as of 2026-10-19
| Date | Foreign | Trust | Dealers | Total |
|---|---|---|---|---|
| 2026-10-19 | -43 | 0 | -15 | -58 |
| 2026-10-16 | 28 | -1 | 25 | 52 |
| 2026-10-15 | -52 | 8 | -18 | -62 |
| 2026-10-14 | -29 | 0 | 6 | -23 |
| 2026-10-13 | 2 | 5 | -30 | -23 |
| 2026-10-12 | 4 | 0 | -24 | -20 |
| 2026-10-08 | 21 | 0 | -15 | 6 |
| 2026-10-07 | 105 | 0 | -33 | 72 |
| 2026-10-06 | -27 | 0 | -9 | -36 |
| 2026-10-05 | 13 | 0 | -3 | 10 |
| 2026-10-02 | -102 | 0 | -17 | -119 |
| 2026-10-01 | -488 | 0 | -147 | -635 |
| 2026-09-30 | 61 | 0 | 154 | 215 |
| 2026-09-29 | -275 | -11 | -3 | -289 |
| 2026-09-24 | 221 | 10 | 79 | 310 |
| 2026-09-23 | -16 | 0 | -73 | -89 |
| 2026-09-22 | -48 | 0 | 31 | -17 |
| 2026-09-21 | -17 | 0 | 39 | 22 |
| 2026-09-18 | 115 | 0 | 33 | 148 |
| 2026-09-17 | 219 | 0 | 18 | 237 |
Unit: lots (1,000 shares). Over the last 20 trading days, institutions were net sellers of 299 lots.
Price (official close)
Data as of 2026-10-19
Last close NT$443.50 (2026-10-19); 52-week range NT$362.00–730.00.
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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