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報告_GS_聯亞光電3081_20260728

更新 2026-07-29

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檔名 size 分類 親眼所見內容
報告_GS_聯亞光電3081_20260728_003.png 96KB 文字卡 封面資訊卡:「3081.TWO」「Buy」「GS Forecast」標題+市值/EV/ADTV 文字+ 12/25-12/28E 營收/EBITDA/EPS/PE/PB/殖利率/CROCI 數字表
報告_GS_聯亞光電3081_20260728_004.png 77KB 真資料圖 「Goldman Sachs rating and stock price target history」股價走勢折線圖(灰=Taiwan SE Weighted Index,淺藍=股價)疊加歷次目標價數字標籤(434/505/589/686/654/449/762/867/1403/1603/1830/2081)與評等區間色帶(NA/B),2023-2026
報告_GS_聯亞光電3081_20260728_002.png 47KB 真資料圖 12M forward P/E 走勢折線圖,Y軸 0-200x,Jan-17 至 2026,含 +1stv 82x / avg 56x / -1stv 30x 三條虛線水平參考線
報告_GS_聯亞光電3081_20260728_001.png 26KB 文字卡 「2029E target P/E」「Target multiple x EPS」「Discounted back to 2027; TP(NTD)」「Implied 2027 P/E」估值推導表,下方「COE assumption」表(Beta/Risk free/Market risk premium/COE)

原始內容

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LandMark (3081.TWO): 3Q26 QoQ growth on 800G / 1.6T SiPh ramp up; Capacity expansion to capture the strong demand; Buy

Landmark June revenues were up 128% YoY / 4% MoM to NT$421m, or 1% higher than our previous estimates, resulting in strong 2Q26 revenues at NT$1.2bn (+121% YoY, +35% QoQ), re fl ecting strong demand on 800G / 1.6T SiPh optical modules, better InP substrate supply, and Landmark's capacity expansion. With continuous capex spending and rising penetration of Silicon Photonics (SiPh), we expect to see sequential MoM growth in Jul to Sep at 5% / 5% / 7% MoM to NT$442m / 464m / 498m. Maintain Buy.

Capacity expansion: In mid June, Landmark announced the company has obtained equipment from Aixtron with total value at ~NT$837m, supporting its capacity expansion across InP epiwafer and CW lasers. The company also notes its plan of equipment procurement at NT$3bn is approved by the board, supporting the company to further capture the strong demand on SiPh optical modules.

Allen Chang

+852-2978-2930 | allen.k.chang@gs.com Goldman Sachs (Asia) L.L.C.

Verena Jeng

+852-2978-1681 | verena.jeng@gs.com Goldman Sachs (Asia) L.L.C.

Ting Song

+852-2978-6466 | ting.song@gs.com Goldman Sachs (Asia) L.L.C.

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Exhibit 1: We expect Landmark July 2026E revenues to grow 144% YoY to NT$442m Landmark monthly/ quarterly revenues

Apr 2026 May 2026 Jun 2026 Jul 2026E Aug 2026E Sep 2026E 4Q25 1Q26 2Q26 3Q26E
Revenues (NT$m) 395 405 421 442 464 498 642 904 1,221 1,403
YoY 115% 119% 128% 144% 150% 167% 122% 99% 121% 154%
MoM/QoQ 15% 3% 4% 5% 5% 7% 16% 41% 35% 15%
GS estimates (NT$m) 347 361 416 629 875 1,123
Actual vs. GS 14% 12% 1% 2% 3% 9%

Source: Company data, Goldman Sachs Global Investment Research

Earnings revision: We factor in Landmark 2Q26 revenues and revise up 2026E earnings by 1% mainly on higher revenues of 800G/ 1.6T SiPh CW laser, supported by strong demand and improving supply. We keep 2027-29E unchanged.

Exhibit 2: Earnings revision

2026E 2026E 2026E 2027E 2027E 2027E 2028E 2028E 2028E 2029E 2029E 2029E
NT$m Old New Diff% Old New Diff% Old New Diff% Old New Diff%
Revenues 4,992 5,047 1% 9,370 9,365 0% 14,719 14,713 0% 22,078 22,080 0%
GP 2,746 2,778 1% 5,234 5,232 0% 8,387 8,384 0% 12,580 12,582 0%
OP 2,043 2,075 2% 4,370 4,367 0% 7,211 7,209 0% 10,839 10,840 0%
Pre-tax income 2,138 2,169 1% 4,467 4,464 0% 7,342 7,340 0% 10,970 10,971 0%
Net income 1,710 1,736 1% 3,573 3,571 0% 5,873 5,872 0% 8,776 8,777 0%
Margins
GM 55.0% 55.0% 0ppts 55.9% 55.9% 0ppts 57.0% 57.0% 0ppts 57.0% 57.0% 0ppts
OPM 40.9% 41.1% 0.2ppts 46.6% 46.6% 0ppts 49.0% 49.0% 0ppts 49.1% 49.1% 0ppts
NM 34.3% 34.4% 0.1ppts 38.1% 38.1% 0ppts 39.9% 39.9% 0ppts 39.7% 39.8% 0ppts

Source: Company data, Goldman Sachs Global Investment Research

Valuation: We employ a discounted P/E methodology (unchanged) and apply a 61.0x (unchanged) target P/E multiple on our 2029E EPS, discounted back to 2027E, at a COE of 10.5% (beta 1.7x, risk free rate 1.6%, and market risk premium at 5.1% - unchanged). Our target P/E multiple of 61.0x is derived from the PEG&M ratio of peers (unchanged) in the photonics supply chain, re fl ecting an industry re-rating of product mix upgrade and rising demand on optical solution. Consequently, our 12-month target price is now NT$4,307.00 (vs. previously at NT$4,307.27). The implied 2028E P/E at 75x is between company's avg. P/E at 56x and avg. +1 P/E at 82x. Maintain Buy.

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Jul-17

Exhibit 3: Landmark discounted P/E

Jan-18

(NT$ mn) 2022 2023 2024 2025 2026E 2027E 2028E 2029E 2030E 2031E 2032E
Milestones 5G infrastructure cycle 5G infrastructure cycle 5G infrastructure cycle SiPh in AI data center SiPh in AI data center SiPh in AI data center CPO CPO CPO CPO CPO
SiPh Rev contribution 13% 35% 42% 70% 87% 93% 96% 96% 96% 96% 96%
SiPh GP contribution 15% 25% 41% 71% 90% 95% 97% 97% 97% 97% 97%
Revenue 2,381 1,056 1,208 2,203 5,047 9,365 14,713 22,080 32,915 46,081 63,592
YoY 27% -56% 14% 82% 129% 86% 57% 50% 49% 40% 38%
Gross profit 759 138 239 941 2,778 5,232 8,384 12,582 18,756 26,258 36,300
Gross margin 31.9% 13.1% 19.8% 42.7% 55.0% 55.9% 57.0% 57.0% 57.0% 57.0% 57.1%
Operating profit 335 -280 -112 508 2,075 4,367 7,209 10,840 16,193 22,762 31,666
YoY -18% -184% -60% -555% 308% 111% 65% 50% 49% 41% 39%
Operating margin 14% -27% -9% 23% 41% 47% 49% 49% 49% 49% 50%
Pre-tax profit 378 -264 -68 525 2,169 4,464 7,340 10,971 16,323 22,893 31,797
Net profit 330 -212 -55 411 1,736 3,571 5,872 8,777 13,059 18,314 25,437
EPS (NT$, diluted) 3.26 -2.10 -0.54 4.21 17.06 35.10 57.71 86.26 128.34 180.00 250.00
YoY -2% n.a. n.a. n.a. 322% 106% 64% 49% 49% 40% 39%
TP implied P/E 253 123 75 50 34 24 17
報告_GS_聯亞光電3081_20260728_001

Source: Company data, Goldman Sachs Global Investment Research

Exhibit 4: Landmark 12M forward P/E

報告_GS_聯亞光電3081_20260728_002

Source: Eikon Datastream

Exhibit 5: The target P/E is derived from peers correlation between P/E to sum of NI YoY and OPM

Valuatoin 2029E P/E 2030 NI YoY 2030 OPM PEG&M
Landmark 61 49% 49% 0.62
Peers 2026E P/E 2027 NI YoY 2027 OPM PEG&M
Mitac 11 16% 5% 0.5
HG Tech 34 31% 14% 0.8
Shennan 35 47% 19% 0.5
Avg. 34 32% 25% 0.62

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Exhibit 6: Landmark P&L Summary

NT$ mn 2023 2024 2025 2026E 2027E 2028E 1Q25 2Q25 3Q25 4Q25 1Q26 2Q26E 3Q26E 4Q26E
Income statement
Revenue 1,056 1,208 2,203 5,047 9,365 14,713 455 553 553 642 904 1,221 1,403 1,518
Gross profit 138 239 941 2,778 5,232 8,384 147 240 241 313 495 670 773 839
OP income (280) (112) 508 2,075 4,367 7,209 45 150 105 209 373 516 529 657
Pretax income (264) (68) 525 2,169 4,464 7,340 53 121 124 227 397 539 553 681
Net income (212) (55) 411 1,736 3,571 5,872 42 97 99 190 318 432 442 544
EPS (NT$) (2.10) (0.54) 4.21 17.06 35.10 57.71 0.42 0.95 0.97 1.87 3.12 4.24 4.34 5.35
Margins
Gross margin 13.1% 19.8% 42.7% 55.0% 55.9% 57.0% 32.3% 43.3% 43.6% 48.7% 54.8% 54.9% 55.1% 55.3%
Operating margin -26.5% -9.3% 23.1% 41.1% 46.6% 49.0% 9.8% 27.0% 19.0% 32.5% 41.3% 42.2% 37.7% 43.3%
Net margin -20.0% -4.5% 18.7% 34.4% 38.1% 39.9% 9.3% 17.5% 17.9% 29.6% 35.1% 35.3% 31.5% 35.9%
YoY
Revenue -56% 14% 82% 129% 86% 57% 40% 103% 71% 122% 99% 121% 154% 136%
Gross profit -82% 73% 294% 195% 88% 60% 638% 503% 171% 247% 237% 180% 221% 168%
OP income na na na 308% 111% 65% 18% na 1176% na 734% 245% 404% 214%
Net income na na na 322% 106% 64% 20% na 1139% 2233% 651% 346% 346% 186%
QoQ
Revenue 57% 22% 0% 16% 41% 35% 15% 8%
Gross profit 63% 63% 1% 30% 58% 35% 15% 8%
OP income -849% 234% -30% 99% 79% 38% 3% 24%
Net income 418% 129% 2% 92% 67% 36% 2% 23%
EBITDA 55% 81% -21% 69% 52% 31% 2% 21%

Source: Company data, Goldman Sachs Global Investment Research

Price Target Risks and Methodology - LandMark Optoelectronics Corp.

Valuation: We employ a discounted P/E methodology, applying a 61x target P/E multiple on our 2029E EPS, then discount it back to 2027E at a COE of 10.5% (beta 1.7x, risk free rate 1.6% and market risk premium at 5.1%), to derive our 12-month target price of NT$4,307. Our target P/E multiple is based on the same PEG&M ratio as peers in the photonics supply chain. We are Buy-rated on LandMark.

Key risk: Slower-than-expected SiPh penetration; stronger-than-expected competition; Integrated Device Manufacturers (IDMs) o ff ering Epitaxial (EPI) wafers in-house.

報告_GS_聯亞光電3081_20260728_003
3081.TWO 12m Price Target: NT$4,307.00 12m Price Target: NT$4,307.00 Price: NT$1,805.00 Upside: 138.6% Upside: 138.6%
Buy Buy GS Forecast GS Forecast GS Forecast GS Forecast GS Forecast
Revenue (N T$m n ) Ne w 12/25 12/26E 5 ,04 7 .0 12/27E 12/28E
Market c ap: NT$175.4 bn / $5.4 bn En terpr is e v a lu e: NT$17 3 .5 bn / $5.4 bn 3m AD T V : NT$ 6 .4 bn / $ 20 1. 2mn Ta iw a n G reater Chin a Te chnology 2 , 2 0 2 . 8 9,3 6 4. 7 1 4, 71 3.3
Revenue (NT$ mn) Old 2,202.8 4,991.6 9,370.4 14,719.0
EBITDA (NT$ mn) 842.9 2,442.2 4,756.7 7,617.8
E PS (N T$) Ne w 4. 21 17 .0 6 3 5 . 1 0 57 . 71
EPS (NT$) Old 4.21 16.81 35.12 57.73
P/E (X) 85.8 105.8 51.4 31.3
M &A R a n k: 3 P/B (X) 9.1 43.4 37.1 29.9
L ea s e s incl . in n et d e b t & EV? : N o Dividend yield (%) 0.9 0.8 1.6 2.6
CROCI (%) 10.8 31.1 61.5 107.1
3 /26 6/26E 9 /26E 12/26E
EPS (NT$) 3.12 4.24 4.34 5.35

Source: Company data, Goldman Sachs Research estimates, FactSet. Price as of 27 Jul 2026 close.

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