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報告_Citi_大立光3008_20261008

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報告_Citi_大立光3008_20261008_002.png 56KB 真資料圖 Figure 3 前瞻本益比河流圖(4.1x/10.4x/16.7x/23.0x,2010–2026,近期股價急升至約 7,400)
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報告_Citi_大立光3008_20261008_004.png 94KB 真資料圖 Bull/Bear 情境圖:Bull NT$9,000(+35%)、Base NT$8,500(+28%)、Bear NT$5,600(-16%)
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原始內容

08 Oct 2026 10:19:53 ET │ 16 pages

Largan Precision (3008.TW)

Better FAU visibility despite smartphone shortfall

CITI'S TAKE

Largan's 3Q26 earning was below expectation. 3Q26 revenue of NT$15.65bn (up 15% QoQ but down 11% YoY). GM declined to 42.2% with EPS reaching NT$39.6. Management attributed margin pressure to manufacturing yield challenges associated with increasingly complicated smartphone lenses, alongside the rising cost of renewable electricity. The latter is becoming a structural cost burden because of contractual commitments to customers. While yields are gradually improving, management see weakening smartphone order flow into 4Q26. Nevertheless, the management's view on FAU development is positive and seeing great feedback and strong business engagement into the next generation CPO design. We reiterate our Buy and see any pull back on weak smartphone business as a great buying opportunity.

CPO Strategy - Moving to integrated FAU and carrier assembly - The most important development during the call is Largan's expanded product scope. Previously, the company primarily targeted Fiber Array alignment, positioning itself as a high-precision component supplier to established FAU manufacturers. Management now plans to produce FAU, purchase PMLA and other optical components, and perform precision optical coupling and assembly to deliver complete FAUs. It also intends to pursue the additional assembly step of mounting the FAU onto a carrier, which subsequently interfaces with the receptacle. This represents a meaningful expansion in value capture, moving Largan to higher-value integrated optical interconnect assemblies.

Customer qualification has progressed well, production starting in mid-2027 - Largan indicated that FA qualification is complete, and the automated pilot line is already operational and has been inspected repeatedly by the customer. Largan currently has one customer progressing toward commercial volume production, while several other customers, including CSP-related opportunities, are involved in next-generation development targeting 2028. Management expects the first scaled production lines to be ready around mid-2027, with meaningful FAU mass production potentially beginning in 2H27. Management also confirmed that recently acquired land and facilities have designated expansion purposes, primarily cleanrooms and production lines for FA/FAU rather than smartphone lenses.

Earnings Summary

Year to 31 Dec Net Profit (NT$M) Diluted EPS (NT$) EPS growth (%) P/E (x) P/B (x) ROE (%) Yield (%)
2024A 25,915 194.17 44.8 34.3 4.8 14.8 1.3
2025A 21,275 159.40 -17.9 41.8 4.7 11.3 0.8
2026E 20,449 155.54 -2.4 42.8 4.3 10.4 1.2
2027E 21,410 163.69 5.2 40.7 4.1 10.3 1.2
2028E 45,921 351.08 114.5 19.0 3.5 19.8 2.6

Source: Powered by dataCentral

See Appendix A-1 for Analyst Certification, Important Disclosures and Research Analyst Affiliations.

n Buy

Short-Term View: Upside

Price (08 Oct 26 13:30) NT$6,660.00

Target price NT$8,500.00

Expected share price return

27.6%

Expected dividend yield

1.2%

Expected total return

28.8%

Market Cap NT$871,116M

US$27,335M

Price Performance

(RIC: 3008.TW, BB: 3008 TT)

Laura (Chia Yi) Chen AC

+886-2-8726-9090 laura.cy.chen@citi.com

Jack Chen +886-2-8726-9091

jack1.chen@citi.com

Nicholas Lai

+886-2-8726-9093 nicholas.lai@citi.com Seeing multiple generation and years opportunities - Compared with these broader solutions providers, Largan remains primarily as a high-precision manufacturing and assembly specialist. Management described its current business relationship as closer to contract manufacturing, with direct discussions with end customers focused mainly on next-generation products. On product architecture, the initial 2027 commercial project remains focused on single-row FA using grating coupling (GC), while multi-row and multilayer configurations remain in sampling and are primarily associated with 2028 programs. Management believes its FA/FAU solution is broadly applicable to both CPO and NPO when the underlying optical interface remains similar, because the primary difference is the placement of the optical package. Largan's primary differentiation is not the FA design itself but its ability to manufacture highly precise assembly using imperfect input components.

Profit & Loss (NT$m) 3008.TW: Fiscal year end 31-Dec - 2024 2025 2026E 2027E 2028E Price: NT$6,660.00; TP: - Valuation ratios NT$8,500.00; Market Cap: NT$871,116m; Recomm: Buy - 2024 NT$8,500.00; Market Cap: NT$871,116m; Recomm: Buy - 2025 NT$8,500.00; Market Cap: NT$871,116m; Recomm: Buy - 2026E NT$8,500.00; Market Cap: NT$871,116m; Recomm: Buy - 2027E NT$8,500.00; Market Cap: NT$871,116m; Recomm: Buy - 2028E
Sales revenue 59,458 61,148 61,099 77,607 163,572 PE (x) 34.3 41.8 42.8 40.7 19.0
Cost of sales -28,248 -30,311 -33,508 -44,656 -88,753 PB (x) 4.8 4.7 4.3 4.1 3.5
Gross profit 31,209 30,837 27,591 32,950 74,819 EV/EBITDA (x) 24.9 24.1 25.7 22.6 11.0
Gross Margin (%) 52.5 50.4 45.2 42.5 45.7 FCF yield (%) 1.8 1.1 2.9 2.3 5.1
EBITDA (Adj) 29,617 30,526 28,406 31,769 63,555 Dividend yield (%) 1.3 0.8 1.2 1.2 2.6
EBITDA Margin (Adj) (%) 49.8 49.9 46.5 40.9 38.9 Payout ratio (%) 44 32 50 50 50
Depreciation -5,585 -6,968 -8,027 -9,246 -10,713 ROE (%) 14.8 11.3 10.4 10.3 19.8
Amortisation 0 0 0 0 0 Cashflow (NT$m) 2024 2025 2026E 2027E 2028E
EBIT (Adj) 24,032 23,558 20,379 22,522 52,842 EBITDA 29,617 30,526 28,406 31,769 63,555
EBIT Margin (Adj) (%) 40.4 38.5 33.4 29.0 32.3 Working capital -4,417 -6,864 7,411 -843 -1,569
Net interest 4,404 4,259 3,745 3,600 3,600 Other 2,178 -1,998 146 -1,112 -6,921
Associates 0 3 102 200 200 Operating cashflow 27,378 21,664 35,963 29,813 55,065
Non-Op/Except/Other Adj 3,738 -1,919 957 280 280 Capex -11,385 -11,504 -10,302 -9,948 -10,410
Pre-tax profit 32,174 25,900 25,183 26,602 56,922 Net acq/disposals 1,369 0 -100 -200 -200
Tax -5,963 -4,340 -4,658 -5,192 -11,001 Other -5,514 8,798 -1,078 0 0
Extraord./Min.Int./Pref.div. -296 -285 -77 0 0 Investing cashflow -15,531 -2,707 -11,480 -10,148 -10,610
Reported net profit 25,915 21,275 20,449 21,410 45,921 Dividends paid -10,811 -11,412 -6,802 -10,265 -10,748
Net Margin (%) 43.6 34.8 33.5 27.6 28.1 Financing cashflow -5,679 -16,674 -8,251 -10,265 -10,748
Core NPAT 25,915 21,275 20,449 21,410 45,921 Net change in cash 6,168 2,283 16,232 9,400 33,707
Per share data 2024 2025 2026E 2027E 2028E Free cashflow to s/holders 15,993 10,160 25,661 19,865 44,655
Reported EPS ($) 194.17 159.40 155.54 163.69 351.08
Core EPS ($) 194.17 159.40 155.54 163.69 351.08
DPS ($) 85.50 50.96 78.48 82.17 176.24
CFPS ($) 205.13 162.32 273.56 227.93 420.99
FCFPS 119.83 76.12 195.19 151.87 341.40
($) BVPS ($) 1,389.00 1,430.06 1,552.87 1,638.07 1,906.98
Wtd avg ord shares (m) 133 133 131 131 131
Wtd avg diluted shares (m) 133 133 131 131 131
Growth rates 2024 2025 2026E 2027E 2028E
Sales revenue (%) 21.7 2.8 -0.1 27.0 110.8
EBIT (Adj) (%) 35.0 -2.0 -13.5 10.5 134.6
Core NPAT (%) 44.8 -17.9 -3.9 4.7 114.5
Core EPS (%) 44.8 -17.9 -2.4 5.2 114.5
Balance Sheet (NT$m) 2024 2025 2026E 2027E 2028E
Cash & cash equiv. 113,658 115,942 132,174 141,574 175,281
Accounts receivables 10,360 10,462 12,457 23,869 38,792
Inventory 5,733 6,713 6,331 12,131 19,715
Net fixed & other tangibles 46,936 51,472 53,748 54,450 54,146
Goodwill & intangibles 0 0 0 0 0
Financial & other assets 39,839 36,198 37,859 57,893 84,031
Total assets 216,527 220,787 242,569 289,915 371,966
Accounts payable 1,855 1,728 3,136 6,249 9,854
Short-term debt 203 0 0 0 0
Long-term debt 0 0 0 0 0
Provisions & other liab 29,081 28,191 36,321 69,409 112,681
Total liabilities 31,139 29,919 39,457 75,659 122,536
Shareholders' equity 185,388 190,868 203,112 214,257 249,430
Minority interests 0 0 0 0 0
Total equity 185,388 190,868 203,112 214,257 249,430
Net debt (Adj) -113,455 -115,942 -132,174 -141,573 -175,280
Net debt to equity (Adj) (%) -61.2 -60.7
For definitions of the items in this table, please click here. -65.1 -66.1 -70.3

Automation and Yield Control Are the Real Competitive Advantages

During the earnings call, Largan's management emphasized that almost all critical FA/FAU alignment equipment is developed internally, including machinery and control software. This enables faster equipment modification, process optimization and troubleshooting compared with labor-intensive assembly. Automated production also offers better traceability and root-cause analysis when yield problems emerge. Management stated that customer feedback is positive and the FAU certification process progressing well. The key competitive advantage, in our view, is the ability to combine submicron accuracy, high throughput and reproducible yields at scale, rather than precision alone.

In our view, the earnings call supports a more constructive medium-term view of Largan's CPO opportunities than our previous assessment, particularly given the apparent completion of initial FA qualification, customer interest in integrated FAU assembly and a clearer path toward commercial production in 2H27. Moving from standalone FA to FAU and potentially carrier assembly could materially increase revenue content per optical connection, while the company's automated manufacturing capabilities may support differentiation in increasingly complex, high-density optical architectures. The next growth opportunity could emerge from multi-row FA and higher-channel-count optical solutions beginning in 2028, particularly as AI networking bandwidth moves beyond current-generation platforms.

Maintaining Buy on better FAU visibility

Given the weak smartphone order flow and GM pressure in the near term, we revise down our net income projections by 9%/29% for 2026/2027, but slightly raise our 2028 net income projection by 1% given the solid growth opportunity in FAU business. However, we think Largan is transitioning from a smartphone optics manufacturer into a potential high-precision optical interconnect assembly supplier. As they are moving to FAU not just FA; we assume higher revenue contribution for 2027/2028 of 28%/44% considering Largan could get 15%/30% market share.

Figure 1. Largan - 3Q26 results overview

(NT$mn) 3Q26 Actual 3Q25 Actual 2Q26 Actual YoY QoQ 3Q26 P 3Q26 Consensus P
Revenue 15,651 17,677 13,665 -11% 15% 16,011 -2% 18,196 -14%
Gross profit 6,607 8,352 6,753 -21% -2% 7,782 -15% 9,120 -28%
OP profit 4,735 6,265 5,148 -24% %8- 5,829 -19% 6,946 -32%
Non-op 1,357 1,890 951 1,020 1,183
PBT 6,092 8,155 6,099 -25% 0% 6,849 -11% 8,129 -25%
Net Income 5,182 7,080 4,670 -27% 11% 5,751 -10% 6,723 -23%
EPS(NT$) 39.62 54.13 35.70 -27% 11% 43.97 -10% 51.40 -23%
GM 42.2% 47.2% 49.4% -5.0 ppt -7.2ppt 48.6% -6.4ppt 50.1% -7.9ppt
OPEXratio -12.0% -11.8% -11.7% -0.1ppt -0.2ppt -12.2% 0.2ppt -11.9% -0.0ppt
OPM 30.3% 35.4% 37.7% -5.2ppt -7.4ppt 36.4% -6.1ppt 38.2% -7.9ppt
NM 33.1% 40.1% 34.2% -6.9ppt -1.1ppt 35.9% -2.8ppt 36.9% -3.8ppt

© 2026 Citigroup Inc. No redistribution without Citigroup's written permission.

Source: Citi Research, Bloomberg

We view customer acceptance and manufacturing differentiation positively, despite near-term earnings visibility remains constrained by smartphone demand at least into 1H27. We thus maintain our Buy rating with TP NT$8,500 unchanged, implying 33x of our 2027/28 EPS projection from 30x previously thanks to its better visibility on FAU progress.

Figure 2. Largan - Estimates Revisions

(NT$mn) 2026E - New 2026E - Old 2026E - Chg. 2027E - New 2027E - Old 2027E - Chg. 2028E - New 2028E - Old 2028E - Chg.
Sales 61,099 62,461 -2% 77,607 95,009 -18% 163,572 156,848 4%
Gross profit 27,591 30,753 -10% 32,950 46,156 -29% 74,819 73,629 2%
Opex (7,212) (7,407) -3% (10,428) (12,763) -18% (21,977) (21,077) 4%
Operating profit 20,379 23,346 -13% 22,522 33,393 -33% 52,842 52,552 1%
Pre-tax profit 25,183 27,813 -9% 26,602 37,473 -29% 56,922 56,632 1%
Net income 20,449 22,444 -9% 21,410 30,213 -29% 45,921 45,639 1%
EPS (NT$) 155.5 168.2 -8% 163.7 226.4 -28% 351.1 341.9 3%
Gross margin 45.2 49.2 -4.1ppts 42.5 48.6 -6.1ppts 45.7 46.9 -1.2ppts
Opex ratio (11.8) (11.9) -0.1ppts (13.4) (13.4) 0.0ppts (13.4) (13.4) 0.0ppts
Operating margin 33.4 37.4 -4.0ppts 29.0 35.1 -6.1ppts 32.3 33.5 -1.2ppts
Net margin 33.5 35.9 -2.5ppts 27.6 31.8 -4.2ppts 28.1 29.1 -1.0ppts

© 2026 Citigroup Inc. No redistribution without Citigroup's written permission.

Source: Citi Research

© 2026 Citigroup Inc. No redistribution without Citigroup's written permission.

Source: Citi Research, company data

Figure 5. Largan - Forecast Summary

NT$mn 1Q25 2Q25 3Q25 4Q25 1Q26 2Q26 3Q26 4Q26E 1Q27E 2Q27E 3Q27E 4Q27E 2025 2026E 2027E 2028E
Net sales 14,579 11,673 17,677 17,219 15,544 13,665 15,651 16,239 13,628 11,251 21,613 31,114 61,148 61,099 77,607 163,572
Gross profit 7,965 6,260 8,352 8,260 7,680 6,753 6,607 6,552 5,718 4,663 9,010 13,560 30,837 27,591 32,950 74,819
OPEX 1,878 1,381 2,088 1,932 1,867 1,605 1,872 1,868 1,867 1,508 2,853 4,200 7,279 7,212 10,428 21,977
Operating profit 6,086 4,879 6,265 6,329 5,812 5,148 4,735 4,684 3,851 3,155 6,157 9,359 23,558 20,379 22,522 52,842
Total Non-OP 1,630 (3,085) 1,890 1,907 1,476 951 1,357 1,020 1,020 1,020 1,020 1,020 2,342 4,804 4,080 4,080
Pre-tax profit 7,716 1,794 8,155 8,236 7,288 6,099 6,092 5,704 4,871 4,175 10,379 25,900 25,183 26,602 56,922
Income tax 1,173 738 996 1,434 1,112 1,373 910 1,263 899 845 1,150 2,298 4,340 4,658 5,192 11,001
Net profit 6,443 1,032 7,080 6,720 6,123 4,702 5,182 4,441 3,972 3,329 6,027 8,082 21,275 20,449 21,410 45,921
EPS 48.3 7.7 53.0 50.3 45.9 35.9 39.6 34.0 30.4 25.5 46.1 61.8 159.4 155.5 163.7 351.1
Margins (%)
Gross profit 54.6 53.6 47.2 48.0 49.4 49.4 42.2 40.3 42.0 41.4 41.7 43.6 50.4 45.2 42.5 45.7
OPEX to Sales Ratio 12.9 11.8 11.8 11.2 12.0 11.7 12.0 11.5 13.7 13.4 13.2 13.5 11.9 11.8 13.4 13.4
Operating profit 41.7 41.8 35.4 36.8 37.4 37.7 30.3 28.8 28.3 28.0 28.5 30.1 38.5 33.4 29.0 32.3
Total Non-OP 11.2 (26.4) 10.7 11.1 9.5 7.0 8.7 6.3 7.5 9.1 4.7 3.3 3.8 7.9 5.3 2.5
Pre-tax profit 52.9 15.4 46.1 47.8 46.9 44.6 38.9 35.1 35.7 37.1 33.2 33.4 42.4 41.2 34.3 34.8
Net profit 44.2 8.8 40.1 39.0 39.4 34.4 33.1 27.3 29.1 29.6 27.9 26.0 34.8 33.5 27.6 28.1
Y/Y (%)
Net sales 28.9 6.3 (6.7) (5.4) 6.6 17.1 (11.5) (5.7) (12.3) (17.7) 38.1 91.6 2.8 (0.1) 27.0 110.8
Gross profit 43.2 17.8 (12.2) (23.6) (3.6) 7.9 (20.9) (20.7) (25.5) (31.0) 36.4 107.0 (1.2) (10.5) 19.4 127.1
Operating profit 53.7 25.4 (19.7) (24.5) (4.5) 5.5 (24.4) (26.0) (33.7) (38.7) 30.0 99.8 (2.0) (13.5) 10.5 134.6
Pre-tax profit 3.9 (69.1) 3.9 (25.7) (5.6) 240.0 (25.3) (30.7) (33.2) (31.5) 17.8 82.0 (19.5) (2.8) 5.6 114.0
Net profit 5.4 (77.1) 6.8 (22.5) (5.0) 355.6 (26.8) (33.9) (35.1) (29.2) 16.3 82.0 (17.9) (3.9) 4.7 114.5
Q/Q(%)
Net sales (1*.) (19.) 51.4 (2.6) (9.7) (12.1) 14.5 3.8 (16.1) (17.4) 92.1 44.0
Gross profit (26.4) (21.4) 33.4 (1.1) (7.0) (12.1) (2.2) (0.8) (12.7) (18.5) 93.2 50.5
Operating profit (27.4) (19.8) 28.4 1.0 (8.2) (11.4) (8.0) (1.1) (17.8) (18.1) 95.1 52.0
Pre-tax profit (30.4) (76.8) 354.6 1.0 (11.5) (16.3) (0.1) (6.4) (14.6) (14.3) 71.9 44.6
Net profit (25.7) (84.0) 586.0 (5.1) (8.9) (23.2) 10.2 (14.3) (10.6) (16.2) 81.0 34.1

Source: Citi Research, company data

© 2026 Citigroup Inc. No redistribution without Citigroup's written permission. Source: Citi Research, company data ## Adding Upside 90-Day Short-Term View on Largan Precision (3008.TW)

Direction:

Duration:

Upside

Within 90 Days

Category:

Thematic driven

We see management's upbeat outlook on its FA/FAU business should support Largan's share price performance in the coming months.

Bull/Bear: Largan Precision (3008.TW)

Spread 51pp

Current Price and expected returns (upside/downside) as of 08 Oct 2026

BULL Assumptions

  • Higher than expected UTR or better than expected product mix
  • Winning significant shares in lens market
  • Based on 35x PER

BASE Assumptions

  • Overall GM >45% in 2026-28E
  • Stable share in lens market with steady lens upgrade trend

BEAR Assumptions

  • Lower than expected UTR or worse than expected product mix
  • Losing significant shares in lens market
  • Based on 23x PER

Largan Precision

Company description

Largan is a plastic/glass/hybrid lens supplier in Taiwan with end-applications including phone cameras, DSCs, MFPs, and tablets. Its new development into FAU business should server as a long term growth opportunity.

Investment strategy

We rate Largan a Buy as we expect its core iPhone business to remain resilient and its co-packaged optics (CPO) development to provide strong upside potential in the longer term. We believe Largan could be a long-term winner in the lens market driven by: 1) its technology leadership; 2) intellectual property (IP) protection; and 3) higher yield vs. competitors. In the longer term, we believe spec migration could keep Largan ahead of competitors.

Valuation

Our target price of NT$8,500 for Largan shares is based on 33x 2027/28E EPS. We are using 2027/28E EPS average as we see new Fiber Array + PMLA revenue to kick in from next year. Our 33x PER is higher than its historical 5year PER range, which we think is justified by its better order visibility proven by its recent strong capacity expansion plan, and we expect its CPO business engagement should provide a strong long-term growth opportunity.

Risks

Key downside risks include: 1) weaker smartphone demand or replacement demand, and in particular, demand headwinds for certain key clients; 2) longer learning curve and slower ramp of the yield rate; 3) slower spec migration; and 4) slower development in CPO business. Any of these risk factors could cause the shares to deviate from our target price.

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Appendix A-1