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4971

IET-KY Semiconductor As of 2026-06-17 Updated daily after market close

strong quality, premium valuation, no active signal today.

This page refreshes daily after the close. Add IET-KY to your watchlist to track signal changes on your next visit.
Valuation 14Quality 84Growth 35Momentum 80Chips 72

Is IET-KY a buy? Fundamentals and valuation first

  • Top-tier profitability.Operating margin beats ~92% of the market. Latest quarterly ROE ≈ 3.8%.

  • Valuation is high.PE is in the 90th market percentile; within its own history, PE is around the 96th percentile.

  • Foreign investors are net buying.Foreign 20-day net flow ≈ 3.7% of volume (net buy).

Chip flow

Bearish -0.56
BearishNeutralBullish

Distribution to retail — bearish

  • Distribution to retail — bearish
  • 永豐金證券 holds 766 lots
  • sellers have 726 lots left, ~205 sessions to clear

Window from 2026-01-17 · Price +55% · branches to 2026-06-17· TDCC to 2026-06-12

  • Largest holder 永豐金證券 has accumulated 766 lots since the start (sold 24%), now trimming.
  • Main distributor 美商高盛 peaked at 752 lots, has sold 35%, 490 left, paused recently.
  • TDCC big holders (absolute) >1000-lot holders -5.39pp, mid holders -1, retail +3.89pp — drifting down to retail.
  • Foreign hedge-desk net short Net short -1,095 lots (inferred from branch profile, mostly hedging — not necessarily bearish, not case-confirmed).
Branch inventory reconstruction
Accumulating holders Branches that accumulated shares during the window and still hold positive inventory; they are the absorbing side.
Distributing sellers Branches that built inventory earlier and have been selling it down; the remaining number estimates what has not cleared.
Net-short desks Trading-desk branches with negative inventory or net selling, often hedge, offsetting, or short-term flow. It is not automatically a bearish view.
Accumulating
永豐金證券凱基-松山凱基-信義國泰-敦南群益金鼎-敦南群益金鼎
Distributing
美商高盛統一台新證券凱基-站前摩根大通美林
Desks
own scale
台灣摩根士丹利富邦-南京華南永昌-竹北兆豐-忠孝
Price Accumulating & Distributing share one scale (comparable); Desks is independent. Zero is the baseline
Branch details Unit: lots

Accumulating

  • 永豐金證券 +766
    sold 24%
  • 凱基-松山 +609
    sold 23%
  • 凱基-信義 +148
    sold 0%· still adding
  • 國泰-敦南 +146
    sold 15%
  • 群益金鼎-敦南 +126
    sold 16%
  • 群益金鼎 +112
    sold 13%· still adding

Distributing

  • 美商高盛 490 left
    sold 35%· paused recently
  • 統一 115 left
    sold 70%· ~128 sessions to clear
  • 台新證券 128 left
    sold 57%· paused recently
  • 凱基-站前 39 left
    sold 87%· ~195 sessions to clear
  • 摩根大通 41 left
    sold 84%· ~205 sessions to clear
  • 美林 93 left
    sold 58%· paused recently

Desks

  • 台灣摩根士丹利 -852
    hedge desk · will cover
  • 富邦-南京 -704
    unclassified
  • 華南永昌-竹北 -397
    unclassified
  • 兆豐-忠孝 -205
    unclassified
Still selling 726 lots ~205 sessions to bottom at most
Recent buy/sell force +475 absorbed / -394 sold buyers slightly ahead
Hedge-desk net short -1,086 lots potential cover-buying, not selling pressure
TDCC big holders · absolute-holding cross-check
>1000-lot holder share Retail (<400 lots) share Price (right axis)

Weak direction: big-holder share fell while retail share rose.

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 bandSample days240-day avg returnMedianWin rateAvg excess (vs index)
0-20 184+7% +4.4% 59.8% -18.6%
20-40 281+252.9% -10.4% 44.5% +214.1%
40-60 354+2.9% +0.3% 50% -6%
60-80 355-1.6% +2.8% 53% -14.6%
80-100 You are here543-0.6% -4.6% 42.2% -21.5%

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 ≈ 103.34, at the 96.2th 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.

Valuation
Momentum
Cheap (own-history bottom 1/3)
Mid
Expensive (own-history top 1/3)
60-day momentum up
-2%
Win rate 52.5% Excess -10%
80d
+3.1%
Win rate 61.4% Excess +4.7%
298d
Now
+119.7%
Win rate 54.6% Excess +94.9%
542d
60-day momentum down
+1.3%
Win rate 61.5% Excess -7.2%
260d
+2.4%
Win rate 64.4% Excess -1.6%
298d
+5.6%
Win rate 67% Excess -9.1%
358d

Currently in “Expensive (own-history top 1/3) × 60-day momentum up”: across 542 historical days, 120-day forward avg gained 119.7%, win rate 54.6%, beat the market by 94.9%.

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)

Pending

Adjusted close makes a new 252-day high; repeats within 20 days counted once.

16 times historically; 60-day forward avg +14.14%, win rate 53.3%, beating the market by +10.86 pts on average.

Monthly revenue YoY ≥ 20% (from filing deadline)

Pending

Monthly revenue YoY ≥ 20%; event date is the first trading day after the filing deadline (no look-ahead).

51 times historically; 60-day forward avg +17.74%, win rate 59.2%, beating the market by +13.27 pts on average.

Foreign net buying for 5 straight days

Pending

Foreign net flow (ex-dealer) positive for 5 straight days; event on day 5; repeats within 20 days counted once.

60 times historically; 60-day forward avg +2.94%, win rate 44.8%, beating the market by -0.01 pts on average.

What does IET-KY do? Company profile

半導體業;三五族化合物半導體磊晶片/MBE 分子束磊晶代工 櫃買中心上櫃

Overview

4971 對應證券為櫃買中心上櫃普通股 IET-KY,非 ETF、ETN、權證或特別股。公司中文名為英特磊科技股份有限公司,英文名 IntelliEPI Inc. (Cayman),外國企業註冊地為開曼群島,主要營運主體為美國 Intelligent Epitaxy Technology, Inc.。Goodinfo 與玩股網揭露開曼控股公司成立日為 2011/04/26,上櫃日為 2013/07/24;公司早期營運團隊則源自 1999 年成立的 IntelliEPI/Intelligent Epitaxy Technology。公司登記地址為 PO Box 309, Ugland House, Grand Cayman, KY1-1104, Cayman Islands;英文官網說明公司總部位於美國德州 DFW Metroplex,NIST 資料列示擴產基地在 Allen, Texas。董事長為高永中,總經理為 Kevin Vargason,發言人為財務長王家齊,代理發言人王維寧。實收資本額約新台幣 471,857,430 元,已發行普通股 47,185,743 股,特別股 0 股,簽證會計師事務所為資誠聯合會計師事務所。2024 年永續報告書揭露 2024 年度員工合計 80 人,其中管理職 18 人、非管理職 62 人;NIST 另揭露美國 CHIPS 補助擴產案預期新增 40 個製造工作與 16 個建設工作。2026/05 董監與內部人資料顯示,大股東光紅建聖股份有限公司持股 7,586 張、約 16.08%;董事長高永中持股 209 張、約 0.44%;董事吳威憲持股 945 張、約 2.00%;董事吳藺曇持股 628 張、約 1.33%;總經理 Kevin Vargason 持股 221 張、約 0.47%。2025/12 公司公告與光聖(EZconn,6442)策略換股,完成後 IET 將持有光聖約 1.79%,光聖將持有 IET 約 15.26%,此與 2026/05 股東名冊中的光紅建聖持股高度相關,但公開資料未完全說明該法人與光聖的法律關係。

Business

IET-KY 是三五族化合物半導體磊晶片供應商,核心技術為分子束磊晶(MBE)與專利智慧型即時監控系統,商業模式以取得客戶提供或自購之化合物半導體基板後,依客戶規格進行高階磊晶片代工與專案型 MBE 硬體/機台銷售。主要產品包括:1. 磷化銦 InP HBT、PIN、APD、PD 等磊晶片,應用於高速光通訊、資料中心、高頻測試、低軌衛星與高頻通訊;2. 砷化鎵 GaAs pHEMT、HBT、VCSEL、QD laser 相關磊晶片,應用於射頻開關、低雜訊放大器、功率放大器、衛星通訊、汽車雷達、AI 資料中心光通訊發射端;3. 銻化鎵 GaSb、T2SLS、QWIP 等紅外線材料與磊晶片,應用於夜視、紅外線成像、國防感測、太空軍事、國土監控與生醫;4. 氮化鎵 GaN 二次長晶與 MBE 硬體構件/機台專案。2025 年營收約 10.79 億元、年增約 50.49%,營業利益約 1.74 億元,稅後淨利約 6,530 萬元,EPS 約 1.65 元,主要受 InP PIN PD 磊晶片需求放量、硬體構件與 MBE 機台銷售成長帶動。公開法說新聞指出 2025 年產品營收結構約為 InP 五成、GaAs 約 25%,其餘為 GaSb 與機台硬體銷售。公司客戶多未具名,公開資訊僅描述為 AI 光通訊、資料中心、高速光模組、國防、射頻/無線通訊與車用/雷達等領域大廠;公司官網曾列示過去取得 Vitesse Supplier Excellence 2003/2004 與 Skyworks Solutions Woburn Wafer Fab Best Supplier Award 2010,屬歷史客戶/獎項資訊,不代表 2026 年仍有相同營收關係。2025/12 與光聖策略換股,意義在於 IET 從上游磊晶材料向中下游光通訊元件、光被動元件與高頻連接器規格需求延伸。

Outlook 2025–2028

2025 至 2028 展望以 AI 資料中心光通訊、國防紅外線感測、5G/低軌衛星射頻、GaN 功率轉換與矽光子相關材料為主軸。2025 年公司已由虧轉盈,營收創高,InP PIN PD 成為最大成長貢獻來源。2026 年第一季營收 3.32 億元、毛利率 47.84%、稅後純益 7,869.9 萬元、EPS 1.97 元,顯示高附加價值 InP 與產能利用率提升對獲利槓桿明顯。公司對 2026 年的公開說法包括:AI 運算需求強勁、InP PIN PD 訂單持續放量、將擴充新機台、爭取更多基板配額、深化客戶合作;GaAs 將維持 pHEMT 量產並推進 200G VCSEL 與量子點雷射;GaSb 受國防紅外線需求支撐,產品偏高單價高規格;GaN 二次長晶已有固定客戶與定期購貨訂單,並嘗試在台灣建立本地生產與交貨模式。擴產面,美國德州半導體創新基金 2024 年宣布 412 萬美元補助,支援 Allen, Texas 新增 30,000 平方英尺晶圓生產設施,預計投資超過 4,100 萬美元、化合物半導體磊晶片年產能提升至接近三倍;2025 年美國商務部與 IntelliEPI 簽署 CHIPS Act 初步條款書,擬提供最高 1,030 萬美元直接補助,用於擴建與現代化 Allen 廠,支援 InP、GaAs、GaSb、GaN MBE 磊晶能力。2027 至 2028 的可見動能主要來自高速光傳輸由 800G 往 1.6T/更高速演進、AI 資料中心光收發模組增加 InP PD/APD 與高速雷射需求、國防與紅外線感測供應鏈在美國本土化、以及 GaN 功率元件在 AI 伺服器電源轉換與 5G 基地台滲透。主要風險包括:InP 基板與關鍵金屬供應短缺、日本基板廠歲修或中國出口管制造成交貨瓶頸;國防訂單與 MBE 機台屬專案型收入,驗收與認列時程不穩定;客戶集中與終端應用未具名造成能見度有限;擴產若認證、良率、設備交期或資金補助延遲,將影響產能爬坡;股價波動可能使可轉債或金融評價項目干擾損益;化合物半導體市場受同業產能、價格談判、原物料價格與地緣政治影響大。2027 至 2028 的營收與獲利數字未見公司正式量化指引,相關方向屬依公開法說與產業趨勢推估。

Supply Chain

Upstream
  • Riber S.A. 法國 MBE 設備供應商,與 IntelliEPI 合作開發並認證 MBE 8000 平台;非台股掛牌公司。
  • InP/GaAs/GaSb 化合物半導體基板供應商 公司需採購或取得磷化銦、砷化鎵、銻化鎵等基板;公開新聞僅提及日本基板大廠歲修、中國出口管制與新供應商認證,未完整揭露供應商名稱。
  • 銻、鎵等關鍵金屬與高純度材料供應商 GaSb 與 GaAs 產品需使用銻、鎵等關鍵金屬;公司公開說明已提前備足銻與鎵等關鍵金屬原料,具體供應商未揭露。
  • 德州與美國 CHIPS/TSIF 補助體系 非商業供應商,但提供擴產資金來源;NIST 與德州州長辦公室資料顯示補助用於 Allen, Texas MBE 磊晶產能擴建。
Downstream
  • 光聖 6442 台股上市公司,光通訊元件與高頻連接器廠;2025/12 與 IET-KY 公告策略換股,雙方擬深化 AI 資料中心與矽光子相關上下游垂直整合。
  • AI 資料中心高速光模組與光通訊客戶 使用 InP PIN/PD/APD、HBT、VCSEL、QD laser 等磊晶片於高速光收發模組、AOC、資料中心光互連;多數客戶未公開具名,可能含美國、亞洲與全球光通訊廠。
  • 國防與紅外線感測系統客戶 使用 GaSb、T2SLS、QWIP 等紅外線磊晶材料於夜視、紅外線成像、太空軍事與國防感測;公開新聞提及美國空軍國防合約,但未完整揭露承包商或終端客戶。
  • 射頻、無線通訊、衛星與車用雷達客戶 使用 GaAs pHEMT/HBT 等磊晶片於射頻開關、LNA、PA、低軌衛星通訊、高頻測試與汽車雷達;具體客戶多未揭露。
  • 台灣研究機構/GaN MBE 機台客戶 公開法說新聞提及 2025 年簽下之 MBE 機台訂單正交運至台灣研究機構,並可能建立台灣本地生產與交貨模式;機構名稱未揭露。

Competitors

  • 全新 2455 台股上市化合物半導體磊晶廠,主要涉 GaAs/InP 等磊晶與射頻、光通訊應用,與 IET-KY 在三五族磊晶供應鏈部分重疊。
  • 聯亞 3081 台股上櫃光通訊磊晶與雷射相關公司,與 IET-KY 在 InP/光通訊材料與元件供應鏈具競爭或替代關係。
  • 環宇-KY 4991 台股上市三五族半導體代工與化合物半導體相關公司,於 GaAs/HBT/pHEMT 與射頻應用供應鏈具可比性。
  • 穩懋 3105 台股上櫃 GaAs 晶圓代工龍頭,主要位於下游晶圓代工環節;非純磊晶代工,但在化合物半導體射頻供應鏈具競合與客戶預算競爭關係。
  • 宏捷科 8086 台股上櫃 GaAs 代工廠,與 IET-KY 在射頻與化合物半導體應用鏈具部分競合。
  • IQE plc 英國上市化合物半導體磊晶片供應商,非台股掛牌;為全球三五族磊晶材料主要競爭者之一。
  • AXT, Inc. 美國 Nasdaq 上市化合物半導體基板供應商,非台股掛牌;主要更偏上游基板,但在部分材料供應鏈與垂直整合面具可比性。
Sources(15)

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.