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3268

海德威 Semiconductor As of 2026-06-17 Updated daily after market close

quality needs a look, premium valuation.

1 active signal

252d high

This page refreshes daily after the close. Add 海德威 to your watchlist to track signal changes on your next visit.

Is 海德威 a buy? Fundamentals and valuation first

Weak profitability.Operating margin is in the 21th market percentile. Latest quarterly ROE ≈ -0.7%.
Valuation is high.PE is in the 91th market percentile; within its own history, PE is around the 79th percentile.
Foreign investors are net buying.Foreign 20-day net flow ≈ 1.1% of volume (net buy).
Signals are active now.On the latest data, signals such as 252-day price high are active — see the historical forward returns after each occurrence below.

Chip flow

Neutral +0.06

BearishNeutralBullish

Institutional rotation, concentration steady — neutral

Institutional rotation, concentration steady — neutral
合庫-台南 holds 116 lots
sellers have 185 lots left, ~137 sessions to clear

Window from 2026-01-17 · Price +26% · branches to 2026-06-17· TDCC to 2026-06-12

Largest holder 合庫-台南 has accumulated 116 lots since the start (sold 0%), holding.
Main distributor 港商野村 peaked at 80 lots, has sold 28%, 58 left, paused recently.
TDCC big holders (absolute) >1000-lot holders -0.56pp, mid holders +0, retail +0.78pp — little change.
Foreign hedge-desk net short Net short -92 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

合庫-台南群益金鼎凱基-高美館華南永昌-台南新光-台中合庫-彰化

Distributing

港商野村元大-員林中山摩根大通陽信-石牌兆豐-新營華南永昌-台中

Desks

own scale

元大-草屯兆豐-來福富邦-中壢台中銀-員林

Price Accumulating & Distributing share one scale (comparable); Desks is independent. Zero is the baseline

Branch details Unit: lots

Accumulating

合庫-台南 +116

sold 0%
群益金鼎 +109

sold 0%· still adding
凱基-高美館 +99

sold 16%
華南永昌-台南 +96

sold 0%
新光-台中 +95

sold 5%
合庫-彰化 +79

sold 8%· still adding

Distributing

港商野村 58 left

sold 28%· paused recently
元大-員林中山 14 left

sold 82%· ~4 sessions to clear
摩根大通 10 left

sold 85%· ~2 sessions to clear
陽信-石牌 41 left

sold 32%· ~137 sessions to clear
兆豐-新營 26 left

sold 47%· paused recently
華南永昌-台中 28 left

sold 35%· ~56 sessions to clear

Desks

元大-草屯 -325

unclassified
兆豐-來福 -180

unclassified
富邦-中壢 -141

unclassified
台中銀-員林 -122

unclassified

Still selling 185 lots ~137 sessions to bottom at most

Recent buy/sell force +941 absorbed / -195 sold buyers slightly ahead

Hedge-desk net short -2 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

Signals active now

These signals are true on the latest data, with this stock's own historical forward-return stats after each occurrence.

252-day price high (breakout)

Active

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

19 historical occurrences (since 2010-04-12)

120 days after: historical avg +18.57%

20-day +8.41%

60-day +7.95%

120-day +18.57%

20-day

60-day

120-day

Win

38.9%

44.4%

50%

Sample

Median

-2.57%

-4.85%

-1.07%

Excess

+5.78%

+1.97%

+4.42%

Beat mkt rate

44.4%

38.9%

27.8%

Over 18 occurrences, 120-day forward avg gained 18.57%, beat the market by 4.42 pts; win rate 50%.

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.

0-20 Insufficient data

20-40 +7.9%

40-60 +4.5%

60-80 +4.3% Now

80-100 Insufficient data

PE percentile band	Sample days	240-day avg return	Median	Win rate	Avg excess (vs index)
0-20	0	Insufficient data
20-40	196	+7.9%	+7.6%	66.3%	-20.2%
40-60	134	+4.5%	+4.4%	60.4%	-14.3%
60-80 You are here	46	+4.3%	+1.7%	58.7%	-27.8%
80-100	0	Insufficient data

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 ≈ 84.04, at the 78.9th percentile of its own history (60-80 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

+0.9%

Win rate 58.1% Excess -14.9%

74d

-9.3%

Win rate 16.9% Excess -11.1%

83d

-4.1%

Win rate 54.2% Excess -21.6%

59d

60-day momentum down

-0.1%

Win rate 43% Excess -5%

79d

+4.6%

Win rate 62% Excess +8.4%

108d

Now

+18.1%

Win rate 83.9% Excess -12.4%

93d

Currently in “Expensive (own-history top 1/3) × 60-day momentum down”: across 93 historical days, 120-day forward avg gained 18.1%, win rate 83.9%, lagged the market by 12.4%.

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.

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).

67 times historically; 60-day forward avg +1.07%, win rate 38.7%, beating the market by -2.88 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.

22 times historically; 60-day forward avg +5.05%, win rate 45.5%, beating the market by +0.83 pts on average.

What does 海德威 do? Company profile

半導體業；IC應用設計、嵌入式韌體與系統方案整合上櫃（櫃買中心）

Overview

3268 對應海德威電子工業股份有限公司，為櫃買中心上櫃普通股，非 ETF、ETN、權證或特別股。公司成立於 1991/04/13，股票於 2005/01/27 上櫃。總部位於台中市西屯區台灣大道四段925號14樓之6。董事長為黃堃芳（部分金融網站因罕用字顯示為黃(方方土)芳），總經理兼發言人為游賜傑，副總經理及代理發言人為楊仁德。實收資本額約新台幣3.47億元，已發行普通股約3,472.08萬股；公司官網基本資料列示資本額新台幣347,208仟元。2024年度個體財報揭露員工人數42人，前一年度43人。2025年股東會主要股東名單顯示：游賜傑持股2,278,068股、6.56%；黃堃芳持股2,169,387股、6.25%；鈺準投資股份有限公司持股1,521,502股、4.38%；集陞投資股份有限公司持股1,494,408股、4.30%；張見得持股1,233,100股、3.55%；陳玉燕持股1,079,519股、3.11%；黃仁泉持股589,920股、1.70%；吳豐盛持股551,010股、1.59%；胡文超持股518,060股、1.49%；黃女娜持股443,031股、1.28%。

Business

海德威主要經營消費性、多媒體、微控制器 IC 應用設計、方案整合與銷售；公司財報描述主要營業項目為積體電路應用設計、系統方案整合設計與銷售。其商業模式不是單純晶圓製造，而是運用 IC 設計業者提供的微控制器 IC，依下游客戶差異化需求進行嵌入式軟韌體、應用設計與系統整合，再銷售相關 IC 及解決方案。2024年產品營收結構依公開資料約為：多媒體控制晶片應用產品約65%，語音/音樂控制晶片應用產品約18%，液晶顯示控制晶片應用產品約9%，單晶片微控制器應用產品約7%，另有記憶體晶片應用產品。公司官網列示應用領域包括視頻（多錄影像輸入、雙錄像、攝像頭模組、熱成像）、音頻（電子琴、電子掛圖、兒童電腦、離線式語音辨識、USB耳麥）、工業控制（系統控制、直流無刷馬達控制器、無線充電）、觸控、顯示屏驅動、AIoT與無線射頻（胎壓偵測器TPMS、AIoT無線射頻應用）。MoneyDJ資料另列應用終端包括有聲教育機、有聲電子書、電子琴、互動式玩具、電子飛鏢靶、家電、定時器、氣象預報機、電子治療儀、運動錶頭、數位錄音機、血壓計、胎壓計、心跳計、雷射滑鼠控制 IC、遊戲機、教育機、微型攝影機、藍牙音響、藍牙耳機、WiFi無線門鈴、車機面板播放器、車載MP3、行車紀錄器及運動攝影機。銷售區域高度偏向海外，公開資料顯示2023年亞太及其他約96%、台灣約4%；另有法說會摘要指出公司主要銷售 IC 晶片至中國製造工廠，終端產品除中國內銷外亦外銷東南亞及歐美。

Outlook 2025–2028

2025至2028年展望偏中性、需觀察轉型與獲利修復。成長動能來自多媒體控制晶片仍為最大營收來源，以及公司已揭露的 AIoT無線射頻、TPMS、直流無刷馬達控制、視頻影像、離線語音辨識、藍牙/WiFi連線、車用與消費性電子周邊等應用。若下游客戶在行車紀錄器、智慧門鈴、藍牙音訊、教育玩具、醫療量測、工控小型控制器與IoT終端拉貨回溫，海德威可受惠於既有韌體整合與小量多樣方案能力。2026年前5個月公開營收資料顯示累計營收年增，代表短期需求較2025低基期改善，但2025全年營收及獲利仍偏弱，公開資料顯示2025年營收約9.22至9.24億元、全年EPS約-1.33元，2026年第1季EPS約-0.09元，毛利率約6.27%，顯示規模、毛利與費用吸收仍是核心挑戰。2025至2028的主要機會在產品組合由傳統消費性IC應用向AIoT、車用周邊、工控控制與無線影像傳輸延伸；主要風險包括公司規模小、產品毛利率偏低、消費性電子需求波動、客戶與中國製造鏈集中、美元/人民幣/港幣匯率風險、利率與流動性風險、IC供應與庫存週期、終端產品遭關稅或地緣政治影響、以及台灣MCU與消費性IC同業競爭。未查得公司已確認的大型擴產、重大新廠或2028量化財測，因此2027至2028成長屬研究推論，非公司正式指引。

Supply Chain

Upstream

IC設計公司與微控制器IC供應商（未揭露個別公司）公開資料說明公司主要使用IC設計業者開發的微控制器IC，由海德威進行韌體與系統整合；未查得可驗證之個別上游供應商名稱。
半導體晶圓製造、封裝測試與電子零組件供應鏈（未揭露個別公司）公司產品主要原料為IC；因IC本身依賴晶圓製造、封測及相關零組件供應鏈，但海德威公開資料未揭露具名供應商。

Downstream

中國製造工廠客戶（未揭露個別公司）法說會摘要指出公司主要銷售IC晶片至中國製造工廠，終端產品除中國內銷外亦外銷東南亞及歐美；未揭露客戶公司名稱。
消費性電子、教育電子、車用周邊、醫療量測、工控與AIoT終端品牌/製造商（未揭露個別公司）下游應用涵蓋電子琴、教育機、行車紀錄器、藍牙音訊、WiFi門鈴、TPMS、血壓計、工控與觸控/顯示產品；公開資料未揭露具名客戶。

Competitors

笙泉 3122 台股上櫃公司，MCU與IC設計相關同業；StockFeel列為海德威競爭對手。
新唐 4919 台股上市公司，微控制器與半導體解決方案同業；產品規模與國際化程度大於海德威。
凌通 4952 台股上市公司，消費性IC、語音/多媒體及控制IC相關同業。
太欣 5302 台股上櫃公司，IC設計與控制晶片相關同業；StockFeel列為競爭對手。
松翰 5471 台股上櫃公司，消費性IC、MCU、影像與控制晶片相關同業。
通泰 5487 台股上櫃公司，MCU與消費性控制IC相關同業。
盛群 6202 台股上市公司，MCU大廠，為海德威在微控制器應用市場的重要可比同業。
研通 6229 台股上櫃公司，公開資料列為海德威競爭廠商之一。
迅杰 6243 台股上櫃公司，控制IC與電腦周邊IC相關同業。
紘康 6457 台股上櫃公司，MCU、電源管理與混合訊號IC相關同業。

Sources（17）

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.