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4956
steady quality, premium valuation, no active signal today.
Is 光鋐 a buy? Fundamentals and valuation first
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Above-average profitability.Operating margin is in the 45th market percentile. Latest quarterly ROE ≈ 1.4%.
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Valuation is high.PE is in the 93th market percentile; within its own history, PE is around the 92th percentile.
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Foreign investors are net selling.Foreign 20-day net flow ≈ -1.4% of volume (net sell).
Chip flow
Single-sided accumulation, concentration rising — bullish
Window from 2026-01-17 · Price +81% · branches to 2026-06-17· TDCC to 2026-06-12
- Largest holder 新加坡商瑞銀 has accumulated 1,991 lots since the start (sold 11%), now trimming.
- Main distributor 港商野村 peaked at 1,496 lots, has sold 81%, 282 left, paused recently.
- TDCC big holders (absolute) >1000-lot holders +2.61pp, mid holders -2, retail -1.49pp — concentration shifting upward.
- Foreign hedge-desk net short Net short -693 lots (inferred from branch profile, mostly hedging — not necessarily bearish, not case-confirmed).
Accumulating
- 新加坡商瑞銀 +1,991
- 凱基-長庚 +812
- 永豐金-市政 +289
- 富邦-新竹 +231
- 元富 +219
- 富邦-中壢 +207
Distributing
- 港商野村 282 left
- 摩根大通 265 left
- 美商高盛 305 left
- 元大證券 225 left
- 國泰-敦南 333 left
- 玉山-高雄 82 left
Desks
- 美林 -575
- 宏遠證券 -435
- 國泰-館前 -386
- 凱基-新店 -354
Direction matches: big-holder share rose while retail share fell.
Describes chip flow, not investment advice. Branch data discloses only high-volume branches with ~1-day lag; TDCC is weekly. Inventory is a relative reconstruction from the window start, not absolute holdings.
Historical evidence
Valuation regime and subsequent returns
Each day's PE is converted to its own-history percentile (as of that day), then we look at adjusted-close returns over the next 240 trading days by valuation regime.
| PE percentile band | Sample days | 240-day avg return | Median | Win rate | Avg excess (vs index) |
|---|---|---|---|---|---|
| 0-20 | 110 | +73.1% | +75.2% | 95.5% | +46.9% |
| 20-40 | 358 | -6.6% | -36% | 28.8% | -8.8% |
| 40-60 | 87 | -2.3% | -12.8% | 29.9% | -23.9% |
| 60-80 | 355 | -3.1% | -0.1% | 49.9% | -30.8% |
| 80-100 You are here | 206 | +38.6% | +52.5% | 63.6% | -13.5% |
Percentiles use an expanding own-history window (no look-ahead); forward return is 240 trading days on adjusted close. Sample days overlap; distribution is indicative only.
Current PE ≈ 66.0, at the 91.9th percentile of its own history (80-100 band).
Valuation × momentum historical grid
Every day in its own history is bucketed by valuation tercile (own-history PE) and 60-day momentum sign into six cells; we show adjusted-close returns over the next 120 trading days per cell.
Currently in “Expensive (own-history top 1/3) × 60-day momentum up”: across 265 historical days, 120-day forward avg declined 2.4%, win rate 32.5%, lagged the market by 13%.
Days = trading days in this bucket; returns use adjusted prices, ex-costs. 60-day momentum: direction of this stock's price over the past 60 trading days.
Signals not active (historical stats for reference)
These are not occurring now; historical samples shown for comparison.
252-day price high (breakout)
PendingAdjusted close makes a new 252-day high; repeats within 20 days counted once.
16 times historically; 60-day forward avg +1.89%, win rate 43.8%, beating the market by -4.92 pts on average.
Monthly revenue YoY ≥ 20% (from filing deadline)
PendingMonthly revenue YoY ≥ 20%; event date is the first trading day after the filing deadline (no look-ahead).
55 times historically; 60-day forward avg +0.68%, win rate 37.5%, beating the market by -2.6 pts on average.
Foreign net buying for 5 straight days
PendingForeign net flow (ex-dealer) positive for 5 straight days; event on day 5; repeats within 20 days counted once.
64 times historically; 60-day forward avg +0.6%, win rate 45.2%, beating the market by -3.47 pts on average.
What does 光鋐 do? Company profile
Overview
4956 對應證券為光鋐科技股份有限公司普通股,英文全名 Epileds Technologies, Inc.,股票在台灣證券交易所上市。公司成立於 2006 年 6 月 12 日,總部與主要廠區位於台南市新市區看西路 7 號(樹谷園區),公司官網並列有蘇州興光宏之深圳、蘇州辦事處。董事長與總經理均為許明森。公開發行日期為 2010 年 6 月 24 日,興櫃日期為 2010 年 10 月 25 日,上市日期為 2011 年 10 月 24 日。公開資訊基本資料顯示實收資本額為新台幣 1,004,082,360 元,已發行普通股 100,408,236 股,無特別股。2024 年報列示截至 2025 年 4 月 22 日合併員工 423 人,其中研發 39 人、工程支援 115 人、行政銷售 50 人、生產 219 人。2024 年報前十大股東包括榮創能源科技 8.10%、群怡投資 7.32%、宏德投資 3.11%、維善投資 2.87%、英屬維京群島商金載 2.81%、花旗託管瑞銀歐洲 SE 投資專戶 2.68%、英屬維京群島商閃霓財團 2.64%、陳浴仁 1.95%、許明森 1.46%、花旗託管柏克萊資本 SBL/PB 投資專戶 1.03%。
Business
光鋐為 LED 上中游零組件廠,主要從事藍、綠、紅、黃、不可見光、紫及深紫外光 LED 磊晶片與晶粒之研發、設計、製造與銷售,並含 LED 封裝模組、相關應用產品及國際貿易。2024 年合併營收為新台幣 1,294,749 仟元,年增 14.33%;產品營收比重為晶粒 1,127,110 仟元、占 87.05%,其他 167,639 仟元、占 12.95%,其他包含晶片、原物料、燈具及封裝產品。MoneyDJ 彙整 2024 年前三季應用比重為感測 42%、固化/消毒 16%、車用 30%、背光 4%、其他 8%;2024 年銷售地區比重為台灣 52%、亞洲 46%、其他 2%。商業模式以自有磊晶與晶粒製程能力供應下游封裝、模組、燈具及終端應用客戶,終端應用包括消費性電子、背光、交通號誌、車燈、車內照明、一般與商用照明、工業儀表、醫療設備、植物燈、美容燈、UV 固化/消毒、IR 感測、穿戴與車內監控等。2024 年報揭露 2024 年有兩名銷貨占比逾 10% 之客戶,分別以 A 公司、B 公司匿名揭露,占銷貨淨額 22.10% 與 13.81%,未揭露實名。
Outlook 2025–2028
2025 至 2028 年主要觀察軸為車用 LED、感測/不可見光 LED、Micro LED 與供應鏈風險。公司 2024 年報指出 2025 年及未來將聚焦車用、感測市場,車用銷售對象主要為中國以外客戶,需求穩定上升;感測應用包括自動化、生物感測與人體監測。產業面,公司年報引用 TrendForce 表示全球車用 LED 市場規模預估由 2024 年 34 億美元成長至 2028 年 49 億美元,車用 LED CAGR 約 8%,不可見光 LED 如 UV LED、IR LED、紅光 LED 需求亦將持續攀升。產品與技術面,公司規劃開發高品質 AlN 磊晶模板、深紫外光 LED、車用可見光 LED、紅外光 LED、點光源 LED、光通訊用 LED、面射型雷射、光電二極體、極小尺寸 LED 晶片與基板轉置產品等;2024 年已開發覆晶 940nm 紅外光 mini LED、高功率 UVC LED、高壓 Mini LED。媒體於 2025 年法說會後報導,公司車用與感測約占營收 75%,車用受電動車及燃油車指示燈、煞車燈、氛圍燈需求帶動,年成長幅度可維持 20% 以上,並與群創合作 Micro LED 技術;但 Micro LED 仍偏研發與中長期布局,距大規模量產貢獻營收仍需時間。主要風險包括 LED 市場成熟與產能過剩造成價格競爭、專利與國際大廠競爭、金價上漲推升貴金屬成本、中國對關鍵基板供應限制使產能利用率受壓、非中國基板來源成本較高、匯率波動,以及車用與 Micro LED 客戶認證和量產時程不確定。
Supply Chain
- 佳霖科技 2024 年報列為 Mo source(有機金屬)供應商,供應狀況良好;未確認為台股上市櫃公司。
- 聯華氣體 2024 年報列為大宗氣體供應商,供應狀況良好;未確認為台股上市櫃公司。
- 光洋應用材料科技股份有限公司 1785 2024 年報列為貴金屬供應商,供應狀況良好;台股上櫃公司,股票簡稱光洋科。
- 中國、日本、德國等基板供應來源 媒體報導公司面對中國關鍵材料/基板供應限制,除向中國申請基板供應外,也搭配日本、德國等非中國高成本基板來源;實際供應商名稱未揭露。
- A 公司 2024 年報匿名揭露之主要客戶,2024 年銷貨金額新台幣 286,170 仟元,占銷貨淨額 22.10%;公司未揭露實名。
- B 公司 2024 年報匿名揭露之主要客戶,2024 年銷貨金額新台幣 178,753 仟元,占銷貨淨額 13.81%;公司未揭露實名。
- 群創光電股份有限公司 3481 媒體報導光鋐與群創合作開發 Micro LED 技術;群創為台股上市面板廠,屬技術合作與潛在下游應用關係。
- LED封裝、模組及燈具廠商 年報說明光鋐所屬 LED 上中游,晶粒送往下游封裝、模組及燈具廠;個別客戶多未揭露。
- 車用、感測、穿戴、監控與固化/消毒終端應用客戶 公司聚焦車用照明、IR/UV/紅光感測、運動穿戴、車內監控、固化與消毒等利基應用;終端品牌或系統客戶未完整公開。
Competitors
- 富采投資控股股份有限公司 3714 台股上市;旗下晶電等事業與光鋐在 LED 磊晶、晶粒、Mini/Micro LED 等領域競爭。
- 台亞半導體股份有限公司 2340 台股上市;LED、光電元件與化合物半導體相關業者,為同業競爭者。
- 鼎元光電科技股份有限公司 2426 台股上市;LED 晶粒與光電元件廠,與光鋐部分產品與應用重疊。
- 宏齊科技股份有限公司 6168 台股上市櫃掛牌公司;LED 封裝與光電元件業者,在車用、顯示與光電應用市場具競爭或產業鏈關聯。
- 佰鴻工業股份有限公司 3031 台股上市;LED 封裝與模組相關業者,屬 LED 產業同業。
- 億光電子工業股份有限公司 2393 台股上市;LED 封裝、不可見光及車用光電產品大廠,在下游與應用市場具競爭性。
- 泰谷光電科技股份有限公司 3339 台股掛牌 LED 磊晶/晶粒同業;掛牌狀態與交易狀況應以主管機關最新資料為準。
- Nichia、ams OSRAM、Lumileds、LG Innotek、Toyoda Gosei、三安光電 國際或中國 LED 大廠;非台股上市櫃,MoneyDJ 列為光鋐主要國內外競爭廠商。
Sources(10)
This company profile is compiled from public sources (annual reports, filings, news and analyst reports), not finlab backtest data; the 2025–2028 outlook contains forward-looking estimates and is for reference only.
Method and limitations
- All returns use adjusted close (etl:adj_close), already adjusted for dividends and splits.
- Excess return is measured against the TAIEX total-return index (dividends included).
- Valuation regime and percentile stats use an expanding own-history window (no future data).
- Revenue-signal event dates align to the first trading day after the filing deadline, avoiding look-ahead.
- Event samples may overlap in time; stats describe historical distribution only and are less reliable when samples are few.
This page is historical statistics for educational purposes and is not investment advice. Investing involves risk; past performance does not indicate future results. Assess and bear the risk yourself before trading.