Largest Companies on Taiwan OTC Exchange Ranked by Market Cap

Taiwan OTC Exchange (TWO) lists 626 publicly traded companies with a combined market cap of $284.44 Billion. Based in Taiwan, this ranking covers all TWO-listed stocks ordered by market capitalization — from the largest blue-chip companies to smaller listed firms. Updated daily with live market data.

Total Market Cap (USD)

$284.44 Billion

Listed Companies

626

Exchange Location

Taiwan
Rank Company Market Cap (USD) Market Cap (Local) Price 24h Change 7d Change Country 52-Week Range 24h Volume
1 MPI Corporation
TWO:6223
$19.28 Billion NT$611.89 Billion NT$6245.00 +5.85% +20.91% Taiwan Low: NT$1120.00 / High: NT$7380.00 18.23 Million
2 Aspeed Technology
TWO:5274
$19.08 Billion NT$605.60 Billion NT$16020.00 +3.35% +21.09% Taiwan Low: NT$4715.00 / High: NT$19275.00 7.45 Million
3 Taiwan Union Technology
TWO:6274
$13.37 Billion NT$424.39 Billion NT$1470.00 +9.70% +30.09% Taiwan Low: NT$261.50 / High: NT$1900.00 143.79 Million
4 GlobalWafers Co Ltd
TWO:6488
$13.14 Billion NT$416.92 Billion NT$872.00 -8.40% -9.07% Taiwan Low: NT$344.00 / High: NT$1515.00 264.88 Million
5 Phison Electronics
TWO:8299
$12.10 Billion NT$383.95 Billion NT$1845.00 +1.37% +11.82% Taiwan Low: NT$470.00 / High: NT$2880.00 113.83 Million
6 Vanguard International Semiconductor
TWO:5347
$9.24 Billion NT$293.18 Billion NT$157.00 +1.62% +0.00% Taiwan Low: NT$88.00 / High: NT$220.00 664.84 Million
7 E Ink Holdings
TWO:8069
$7.10 Billion NT$225.29 Billion NT$195.50 -1.01% +13.01% Taiwan Low: NT$136.50 / High: NT$271.50 192.99 Million
8 International Games System Co Ltd
TWO:3293
$6.90 Billion NT$218.96 Billion NT$777.00 +0.39% +7.47% Taiwan Low: NT$670.00 / High: NT$843.00 38.30 Million
9 LandMark Optoelectronics
TWO:3081
$6.30 Billion NT$199.84 Billion NT$2160.00 +9.92% +26.32% Taiwan Low: NT$384.50 / High: NT$3160.00 61.89 Million
10 eMemory Technology
TWO:3529
$6.19 Billion NT$196.43 Billion NT$2630.00 +2.14% +19.55% Taiwan Low: NT$1490.00 / High: NT$4705.00 20.47 Million
11 WIN Semiconductors
TWO:3105
$5.02 Billion NT$159.40 Billion NT$376.00 +9.94% +16.41% Taiwan Low: NT$85.40 / High: NT$617.00 446.99 Million
12 InnoDisk
TWO:5289
$4.43 Billion NT$140.70 Billion NT$1465.00 +3.53% +22.08% Taiwan Low: NT$233.50 / High: NT$1990.00 63.00 Million
13 Acter Co Ltd
TWO:5536
$3.99 Billion NT$126.56 Billion NT$1020.00 +3.03% +0.49% Taiwan Low: NT$543.00 / High: NT$1435.00 22.31 Million
14 Adata Technology Co Ltd
TWO:3260
$3.96 Billion NT$125.64 Billion NT$396.00 -0.63% +7.32% Taiwan Low: NT$90.70 / High: NT$508.00 250.92 Million
15 Chipbond Technology
TWO:6147
$3.72 Billion NT$118.02 Billion NT$158.50 +9.69% +13.62% Taiwan Low: NT$51.20 / High: NT$305.50 755.80 Million
16 Sino-American Silicon Products
TWO:5483
$3.44 Billion NT$109.32 Billion NT$178.00 -1.66% -3.78% Taiwan Low: NT$97.00 / High: NT$278.00 989.98 Million
17 All Ring Tech Co Ltd
TWO:6187
$3.26 Billion NT$103.39 Billion NT$1070.00 -1.83% +11.23% Taiwan Low: NT$314.50 / High: NT$1390.00 60.34 Million
18 Ardentec
TWO:3264
$3.02 Billion NT$95.73 Billion NT$202.00 +4.39% +8.89% Taiwan Low: NT$70.50 / High: NT$257.00 175.68 Million
19 Chunghwa Precision Test Tech Co Ltd
TWO:6510
$2.85 Billion NT$90.33 Billion NT$2755.00 -1.43% +11.09% Taiwan Low: NT$961.00 / High: NT$4200.00 9.61 Million
20 Universal Microwave Technology
TWO:3491
$2.79 Billion NT$88.41 Billion NT$1285.00 +9.83% +17.89% Taiwan Low: NT$339.50 / High: NT$2200.00 45.74 Million
21 Auras Technology Co Ltd
TWO:3324
$2.78 Billion NT$88.37 Billion NT$965.00 +2.22% +10.92% Taiwan Low: NT$643.00 / High: NT$1280.00 55.34 Million
22 Co-Tech Development
TWO:8358
$2.78 Billion NT$88.25 Billion NT$349.50 +2.49% +4.64% Taiwan Low: NT$114.00 / High: NT$700.00 249.94 Million
23 Xintec
TWO:3374
$2.68 Billion NT$84.94 Billion NT$313.00 +1.13% +0.81% Taiwan Low: NT$129.50 / High: NT$418.00 425.28 Million
24 LuxNet
TWO:4979
$2.18 Billion NT$69.29 Billion NT$492.00 +9.94% +15.22% Taiwan Low: NT$179.00 / High: NT$718.00 230.70 Million
25 Simplo Technology Co Ltd
TWO:6121
$2.17 Billion NT$68.90 Billion NT$372.50 +0.68% +4.05% Taiwan Low: NT$312.00 / High: NT$467.50 28.95 Million
26 Chang Wah Technology Co Ltd
TWO:6548
$2.16 Billion NT$68.68 Billion NT$74.40 +0.54% +20.00% Taiwan Low: NT$30.15 / High: NT$98.10 200.17 Million
27 FOCI Fiber Optic Communications
TWO:3363
$2.15 Billion NT$68.18 Billion NT$600.00 +6.57% +11.32% Taiwan Low: NT$276.00 / High: NT$990.00 89.14 Million
28 Solar Applied Materials Technology
TWO:1785
$2.09 Billion NT$66.45 Billion NT$111.50 +0.45% +10.40% Taiwan Low: NT$51.70 / High: NT$185.00 309.46 Million
29 Grand Plastic Technology
TWO:3131
$2.08 Billion NT$65.93 Billion NT$2345.00 -7.68% -6.35% Taiwan Low: NT$1335.00 / High: NT$3905.00 10.97 Million
30 Wafer Works
TWO:6182
$1.88 Billion NT$59.66 Billion NT$104.00 +7.33% -0.48% Taiwan Low: NT$22.85 / High: NT$189.50 2.05 Billion
31 Browave
TWO:3163
$1.83 Billion NT$58.15 Billion NT$722.00 +9.89% +23.84% Taiwan Low: NT$165.50 / High: NT$1260.00 90.24 Million
32 GCS Holdings
TWO:4991
$1.68 Billion NT$53.37 Billion NT$469.00 +9.96% +18.43% Taiwan Low: NT$130.00 / High: NT$870.00 111.83 Million
33 Dynapack International Technology
TWO:3211
$1.58 Billion NT$50.07 Billion NT$324.50 -0.15% -3.71% Taiwan Low: NT$256.00 / High: NT$469.00 174.32 Million
34 Parade Technologies Ltd
TWO:4966
$1.49 Billion NT$47.19 Billion NT$618.00 +5.82% +6.92% Taiwan Low: NT$463.50 / High: NT$870.00 29.88 Million
35 Fulltech Fiber Glass
TWO:1815
$1.37 Billion NT$43.61 Billion NT$83.90 +4.74% +23.56% Taiwan Low: NT$54.40 / High: NT$127.00 364.03 Million
36 Gudeng Precision Industrial Co Ltd
TWO:3680
$1.35 Billion NT$42.98 Billion NT$447.50 +4.07% +9.01% Taiwan Low: NT$283.00 / High: NT$616.00 48.08 Million
37 Taiwan FamilyMart Co Ltd
TWO:5903
$1.29 Billion NT$41.07 Billion NT$184.00 +0.82% -2.39% Taiwan Low: NT$182.50 / High: NT$200.50 805.73K
38 Brighton-Best International Taiwan
TWO:8415
$1.17 Billion NT$37.21 Billion NT$37.10 +0.82% -2.88% Taiwan Low: NT$33.45 / High: NT$38.40 19.25 Million
39 Longwell Co
TWO:6290
$1.13 Billion NT$35.97 Billion NT$213.50 -0.70% -0.70% Taiwan Low: NT$104.00 / High: NT$367.00 81.77 Million
40 Coretronic
TWO:5371
$1.11 Billion NT$35.38 Billion NT$90.50 +9.43% +19.39% Taiwan Low: NT$66.10 / High: NT$131.00 734.00 Million
41 Max Zipper Co Ltd
TWO:8932
$1.11 Billion NT$35.09 Billion NT$99.40 +0.61% +1.33% Taiwan Low: NT$80.10 / High: NT$241.50 128.32 Million
42 Keystone Microtech Corp
TWO:6683
$1.04 Billion NT$32.93 Billion NT$1195.00 +9.63% +14.90% Taiwan Low: NT$340.00 / High: NT$2565.00 12.90 Million
43 Etron Technology
TWO:5351
$990.27 Million NT$31.43 Billion NT$96.50 +9.91% +28.15% Taiwan Low: NT$27.40 / High: NT$104.50 620.74 Million
44 PixArt Imaging
TWO:3227
$989.58 Million NT$31.41 Billion NT$209.50 +1.95% +10.26% Taiwan Low: NT$177.00 / High: NT$256.50 57.31 Million
45 Center Laboratories
TWO:4123
$910.22 Million NT$28.89 Billion NT$39.15 +0.51% +2.76% Taiwan Low: NT$33.60 / High: NT$49.35 55.86 Million
46 Prosperity Dielectrics Co Ltd
TWO:6173
$889.97 Million NT$28.25 Billion NT$165.00 +0.30% +1.23% Taiwan Low: NT$38.00 / High: NT$350.50 151.42 Million
47 Yuanta Futures Co Ltd
TWO:6023
$884.10 Million NT$28.06 Billion NT$87.70 +2.45% +1.50% Taiwan Low: NT$83.90 / High: NT$108.00 17.39 Million
48 Gallant Micro Machining Co Ltd
TWO:6640
$811.66 Million NT$25.76 Billion NT$910.00 +2.82% +4.48% Taiwan Low: NT$524.00 / High: NT$1760.00 6.35 Million
49 Chief Telecom Inc
TWO:6561
$789.21 Million NT$25.05 Billion NT$325.50 +1.72% +1.24% Taiwan Low: NT$314.00 / High: NT$456.50 1.68 Million
50 Ability Opto-Electronics Technology Co Ltd
TWO:3362
$786.31 Million NT$24.96 Billion NT$174.50 -2.79% +10.44% Taiwan Low: NT$87.50 / High: NT$211.00 188.61 Million
51 Advanced Wireless Semiconductor Co
TWO:8086
$767.73 Million NT$24.37 Billion NT$124.00 +1.22% +10.71% Taiwan Low: NT$93.60 / High: NT$179.00 62.02 Million
52 Episil Holding
TWO:3707
$753.39 Million NT$23.91 Billion NT$62.40 +4.35% +13.66% Taiwan Low: NT$37.75 / High: NT$100.50 306.42 Million
53 Nova Technology
TWO:6613
$732.90 Million NT$23.26 Billion NT$299.00 +5.47% +5.84% Taiwan Low: NT$166.50 / High: NT$390.00 9.80 Million
54 Oneness Biotech Co Ltd
TWO:4743
$689.59 Million NT$21.89 Billion NT$45.75 -3.58% +4.81% Taiwan Low: NT$41.15 / High: NT$78.50 89.41 Million
55 Golden Friends
TWO:4506
$685.95 Million NT$21.77 Billion NT$123.00 +0.41% +2.50% Taiwan Low: NT$111.00 / High: NT$132.50 2.61 Million
56 AIC Inc
TWO:3693
$678.58 Million NT$21.54 Billion NT$501.00 +0.50% +12.33% Taiwan Low: NT$234.50 / High: NT$707.00 19.26 Million
57 Anpec Electronics
TWO:6138
$675.10 Million NT$21.43 Billion NT$289.50 -2.03% +0.70% Taiwan Low: NT$175.50 / High: NT$440.00 53.00 Million
58 Tai-Tech Advanced Electronics Co Ltd
TWO:3357
$675.08 Million NT$21.43 Billion NT$210.00 +1.94% +8.81% Taiwan Low: NT$102.00 / High: NT$348.00 66.15 Million
59 Winstek Semiconductor Co Ltd
TWO:3265
$667.56 Million NT$21.19 Billion NT$155.50 +0.00% +4.01% Taiwan Low: NT$88.30 / High: NT$193.50 27.02 Million
60 Sunmax Biotechnology Co Ltd
TWO:4728
$665.76 Million NT$21.13 Billion NT$388.00 +1.84% +1.31% Taiwan Low: NT$373.00 / High: NT$450.00 119.81K
61 First Hi-tec Enterprise Co Ltd
TWO:5439
$662.01 Million NT$21.01 Billion NT$226.00 +0.89% +6.60% Taiwan Low: NT$185.50 / High: NT$438.50 66.94 Million
62 Group Up Industrial Co Ltd
TWO:6664
$660.72 Million NT$20.97 Billion NT$352.00 +3.53% +6.51% Taiwan Low: NT$216.50 / High: NT$480.00 10.50 Million
63 Taiwan Semiconductor Co Ltd
TWO:5425
$643.27 Million NT$20.42 Billion NT$83.50 +2.33% +10.89% Taiwan Low: NT$46.50 / High: NT$144.00 258.92 Million
64 Alltop Technology Co Ltd
TWO:3526
$634.70 Million NT$20.15 Billion NT$307.00 +0.66% +3.54% Taiwan Low: NT$229.00 / High: NT$395.00 10.54 Million
65 EirGenix
TWO:6589
$632.48 Million NT$20.08 Billion NT$66.40 +0.00% +0.00% Taiwan Low: NT$66.40 / High: NT$66.40 579.36K
66 Lungyen Life Service
TWO:5530
$628.66 Million NT$19.95 Billion NT$47.50 +0.11% +0.32% Taiwan Low: NT$44.00 / High: NT$59.10 8.27 Million
67 Sporton International
TWO:6146
$622.62 Million NT$19.76 Billion NT$194.00 +1.57% +2.65% Taiwan Low: NT$155.00 / High: NT$238.50 10.58 Million
68 Quanta Storage
TWO:6188
$620.90 Million NT$19.71 Billion NT$70.80 +0.43% +5.67% Taiwan Low: NT$62.10 / High: NT$130.00 32.32 Million
69 ECOVE Environment Corp
TWO:6803
$618.02 Million NT$19.62 Billion NT$270.00 -0.55% -0.37% Taiwan Low: NT$268.00 / High: NT$309.50 2.61 Million
70 CoAsia Microelectronics
TWO:8096
$609.31 Million NT$19.34 Billion NT$129.50 +2.37% +2.78% Taiwan Low: NT$37.30 / High: NT$169.50 148.85 Million
71 Materials Analysis Technology
TWO:3587
$608.28 Million NT$19.31 Billion NT$276.50 +9.94% +12.17% Taiwan Low: NT$178.50 / High: NT$396.00 16.56 Million
72 Contrel Technology Co Ltd
TWO:8064
$605.57 Million NT$19.22 Billion NT$104.00 +0.00% +10.52% Taiwan Low: NT$37.25 / High: NT$172.50 112.33 Million
73 E&R Engineering
TWO:8027
$601.32 Million NT$19.09 Billion NT$183.00 +4.27% +4.87% Taiwan Low: NT$77.60 / High: NT$293.00 82.91 Million
74 TTY Biopharm Co Ltd
TWO:4105
$600.07 Million NT$19.05 Billion NT$76.60 +0.13% +0.26% Taiwan Low: NT$72.10 / High: NT$86.30 24.06 Million
75 Gloria Material Technology
TWO:5009
$585.81 Million NT$18.59 Billion NT$33.30 +0.60% +3.10% Taiwan Low: NT$30.50 / High: NT$40.15 82.09 Million
76 IntelliEPI Cayman
TWO:4971
$582.01 Million NT$18.47 Billion NT$462.00 +10.00% +18.46% Taiwan Low: NT$139.50 / High: NT$872.00 21.58 Million
77 Allied Circuit Co Ltd
TWO:8155
$557.40 Million NT$17.69 Billion NT$291.50 +1.04% +5.23% Taiwan Low: NT$123.00 / High: NT$456.50 23.13 Million
78 M31 Technology Corp
TWO:6643
$545.09 Million NT$17.30 Billion NT$414.00 +0.00% -0.48% Taiwan Low: NT$367.00 / High: NT$697.00 12.94 Million
79 Medigen Vaccine Biologics
TWO:6547
$539.62 Million NT$17.13 Billion NT$52.10 +9.92% +12.04% Taiwan Low: NT$33.75 / High: NT$61.00 57.10 Million
80 CCP Contact Probe Co Ltd
TWO:6217
$528.05 Million NT$16.76 Billion NT$147.00 +9.70% +18.07% Taiwan Low: NT$31.60 / High: NT$341.00 60.90 Million
81 TaiMed Biologics
TWO:4147
$504.04 Million NT$16.00 Billion NT$59.10 +2.60% +1.90% Taiwan Low: NT$47.10 / High: NT$81.80 38.77 Million
82 Glotech Industrial
TWO:5475
$498.65 Million NT$15.83 Billion NT$124.50 -7.09% +4.18% Taiwan Low: NT$34.55 / High: NT$388.00 75.77 Million
83 Yieh United Steel
TWO:9957
$491.22 Million NT$15.59 Billion NT$5.95 +1.02% +2.94% Taiwan Low: NT$5.78 / High: NT$9.15 6.06 Million
84 YeaShin International Development Co Ltd
TWO:5213
$481.98 Million NT$15.30 Billion NT$21.25 -0.93% -2.30% Taiwan Low: NT$21.25 / High: NT$27.40 6.91 Million
85 Gallant Precision Machining Co Ltd
TWO:5443
$481.25 Million NT$15.28 Billion NT$94.70 +2.71% +5.22% Taiwan Low: NT$78.30 / High: NT$137.50 51.04 Million
86 Actron Technology
TWO:8255
$468.25 Million NT$14.86 Billion NT$146.00 +3.18% +5.80% Taiwan Low: NT$115.00 / High: NT$214.50 29.90 Million
87 Soft-World International
TWO:5478
$466.85 Million NT$14.82 Billion NT$98.90 +0.00% -0.80% Taiwan Low: NT$94.00 / High: NT$115.00 1.79 Million
88 Baotek Industrial Materials Ltd
TWO:5340
$464.82 Million NT$14.75 Billion NT$75.70 +7.22% +21.12% Taiwan Low: NT$43.90 / High: NT$134.00 32.70 Million
89 Synmosa Biopharma
TWO:4114
$460.53 Million NT$14.62 Billion NT$28.95 -0.34% -0.86% Taiwan Low: NT$28.90 / High: NT$38.90 43.17 Million
90 Axiomtek Co Ltd
TWO:3088
$453.55 Million NT$14.40 Billion NT$132.50 +7.29% +0.00% Taiwan Low: NT$72.00 / High: NT$154.00 57.03 Million
91 Concord Securities Co Ltd
TWO:6016
$452.10 Million NT$14.35 Billion NT$20.90 +2.20% +4.50% Taiwan Low: NT$11.15 / High: NT$36.00 151.19 Million
92 Taiwan Chinsan Electronic Industrial Co Ltd
TWO:8042
$448.67 Million NT$14.24 Billion NT$110.00 -0.45% +3.77% Taiwan Low: NT$29.80 / High: NT$210.50 163.55 Million
93 Eris Technology
TWO:3675
$447.16 Million NT$14.19 Billion NT$267.50 +5.94% +23.84% Taiwan Low: NT$120.00 / High: NT$450.00 20.39 Million
94 Hu Lane Associate
TWO:6279
$446.21 Million NT$14.16 Billion NT$119.00 +2.15% +5.31% Taiwan Low: NT$103.00 / High: NT$150.50 14.98 Million
95 Concord International Securities Co Ltd
TWO:5864
$446.04 Million NT$14.16 Billion NT$31.15 +0.97% +2.47% Taiwan Low: NT$12.60 / High: NT$53.60 109.05 Million
96 STL Technology Co Ltd
TWO:4931
$411.07 Million NT$13.05 Billion NT$199.00 +1.53% +7.57% Taiwan Low: NT$119.00 / High: NT$279.50 131.62 Million
97 APAC Opto Electronics
TWO:4908
$407.84 Million NT$12.94 Billion NT$165.50 +9.97% +23.97% Taiwan Low: NT$69.20 / High: NT$293.50 36.38 Million
98 Argosy Research
TWO:3217
$407.36 Million NT$12.93 Billion NT$143.50 +1.77% -1.03% Taiwan Low: NT$137.00 / High: NT$207.00 14.86 Million
99 IBASE Technology
TWO:8050
$407.26 Million NT$12.93 Billion NT$64.90 +10.00% +10.94% Taiwan Low: NT$39.35 / High: NT$64.90 80.45 Million
100 Kuo Toong International Co Ltd
TWO:8936
$407.20 Million NT$12.92 Billion NT$52.10 +1.17% +1.17% Taiwan Low: NT$49.30 / High: NT$69.30 42.18 Million