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 $325.80 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)

$325.80 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 Aspeed Technology
TWO:5274
$21.24 Billion NT$674.21 Billion NT$17835.00 -2.17% +14.62% Taiwan Low: NT$3860.00 / High: NT$18700.00 8.36 Million
2 MPI Corporation
TWO:6223
$17.69 Billion NT$561.52 Billion NT$5915.00 -7.43% +4.14% Taiwan Low: NT$763.00 / High: NT$6390.00 32.19 Million
3 Phison Electronics
TWO:8299
$16.06 Billion NT$509.86 Billion NT$2450.00 -1.21% +8.17% Taiwan Low: NT$470.00 / High: NT$2880.00 242.52 Million
4 Taiwan Union Technology
TWO:6274
$14.01 Billion NT$444.60 Billion NT$1540.00 -5.52% +27.80% Taiwan Low: NT$174.00 / High: NT$1630.00 119.52 Million
5 GlobalWafers Co Ltd
TWO:6488
$13.96 Billion NT$443.21 Billion NT$927.00 -0.32% +45.30% Taiwan Low: NT$283.00 / High: NT$930.00 244.68 Million
6 Vanguard International Semiconductor
TWO:5347
$9.50 Billion NT$301.58 Billion NT$161.50 -2.71% +1.57% Taiwan Low: NT$80.40 / High: NT$185.50 989.78 Million
7 E Ink Holdings
TWO:8069
$8.46 Billion NT$268.50 Billion NT$233.00 -6.43% +1.30% Taiwan Low: NT$136.50 / High: NT$271.50 319.33 Million
8 eMemory Technology
TWO:3529
$8.17 Billion NT$259.16 Billion NT$3470.00 +5.31% +2.51% Taiwan Low: NT$1490.00 / High: NT$4705.00 22.91 Million
9 LandMark Optoelectronics
TWO:3081
$7.72 Billion NT$245.17 Billion NT$2650.00 -8.15% +2.71% Taiwan Low: NT$254.00 / High: NT$3160.00 77.13 Million
10 WIN Semiconductors
TWO:3105
$7.05 Billion NT$223.84 Billion NT$528.00 -5.71% +18.25% Taiwan Low: NT$81.20 / High: NT$617.00 758.58 Million
11 International Games System Co Ltd
TWO:3293
$6.65 Billion NT$211.07 Billion NT$749.00 -0.93% +2.88% Taiwan Low: NT$670.00 / High: NT$895.00 43.30 Million
12 Chipbond Technology
TWO:6147
$6.52 Billion NT$207.00 Billion NT$278.00 +4.91% +29.00% Taiwan Low: NT$51.20 / High: NT$278.00 1.42 Billion
13 InnoDisk
TWO:5289
$5.14 Billion NT$163.27 Billion NT$1700.00 +0.00% +1.49% Taiwan Low: NT$221.50 / High: NT$1865.00 124.26 Million
14 Co-Tech Development
TWO:8358
$4.40 Billion NT$139.63 Billion NT$553.00 -1.25% +20.22% Taiwan Low: NT$53.10 / High: NT$560.00 282.78 Million
15 Universal Microwave Technology
TWO:3491
$4.34 Billion NT$137.61 Billion NT$2000.00 -3.85% +13.96% Taiwan Low: NT$312.50 / High: NT$2090.00 56.28 Million
16 Acter Co Ltd
TWO:5536
$4.05 Billion NT$128.42 Billion NT$1035.00 -6.76% +12.99% Taiwan Low: NT$376.00 / High: NT$1110.00 51.67 Million
17 Adata Technology Co Ltd
TWO:3260
$4.04 Billion NT$128.34 Billion NT$404.50 -1.94% -0.25% Taiwan Low: NT$89.20 / High: NT$508.00 640.49 Million
18 All Ring Tech Co Ltd
TWO:6187
$3.77 Billion NT$119.82 Billion NT$1240.00 +9.73% +14.29% Taiwan Low: NT$303.00 / High: NT$1390.00 87.53 Million
19 Ardentec
TWO:3264
$3.52 Billion NT$111.61 Billion NT$235.50 +2.61% +14.04% Taiwan Low: NT$70.50 / High: NT$248.50 303.80 Million
20 Chunghwa Precision Test Tech Co Ltd
TWO:6510
$3.39 Billion NT$107.55 Billion NT$3280.00 +2.66% -3.10% Taiwan Low: NT$803.00 / High: NT$4200.00 22.04 Million
21 Grand Plastic Technology
TWO:3131
$3.29 Billion NT$104.38 Billion NT$3635.00 +6.13% +40.89% Taiwan Low: NT$1160.00 / High: NT$3635.00 19.66 Million
22 Sino-American Silicon Products
TWO:5483
$3.11 Billion NT$98.57 Billion NT$160.50 -0.93% +18.89% Taiwan Low: NT$88.20 / High: NT$164.00 534.88 Million
23 FOCI Fiber Optic Communications
TWO:3363
$2.92 Billion NT$92.62 Billion NT$815.00 -3.78% +4.89% Taiwan Low: NT$238.50 / High: NT$990.00 59.73 Million
24 Auras Technology Co Ltd
TWO:3324
$2.89 Billion NT$91.59 Billion NT$1005.00 -2.90% +7.03% Taiwan Low: NT$564.00 / High: NT$1215.00 94.09 Million
25 Solar Applied Materials Technology
TWO:1785
$2.74 Billion NT$87.02 Billion NT$146.00 +2.10% +5.80% Taiwan Low: NT$50.00 / High: NT$185.00 747.01 Million
26 LuxNet
TWO:4979
$2.68 Billion NT$85.07 Billion NT$604.00 -3.82% +7.47% Taiwan Low: NT$155.00 / High: NT$718.00 137.55 Million
27 Browave
TWO:3163
$2.66 Billion NT$84.57 Billion NT$1050.00 -4.55% +10.29% Taiwan Low: NT$162.50 / High: NT$1260.00 85.95 Million
28 GCS Holdings
TWO:4991
$2.53 Billion NT$80.22 Billion NT$705.00 -9.96% +0.71% Taiwan Low: NT$74.10 / High: NT$870.00 90.67 Million
29 Simplo Technology Co Ltd
TWO:6121
$2.26 Billion NT$71.68 Billion NT$387.50 -2.27% +3.06% Taiwan Low: NT$312.00 / High: NT$414.00 20.07 Million
30 Xintec
TWO:3374
$2.18 Billion NT$69.20 Billion NT$255.00 +1.80% +10.39% Taiwan Low: NT$129.50 / High: NT$278.00 472.18 Million
31 Dynapack International Technology
TWO:3211
$2.15 Billion NT$68.29 Billion NT$442.50 -4.63% +27.52% Taiwan Low: NT$178.00 / High: NT$469.00 266.95 Million
32 Parade Technologies Ltd
TWO:4966
$2.03 Billion NT$64.53 Billion NT$845.00 -2.87% +11.62% Taiwan Low: NT$463.50 / High: NT$870.00 95.85 Million
33 Chang Wah Technology Co Ltd
TWO:6548
$1.93 Billion NT$61.29 Billion NT$66.40 +8.67% +36.63% Taiwan Low: NT$30.15 / High: NT$66.40 206.41 Million
34 Poya International Co Ltd
TWO:5904
$1.87 Billion NT$59.29 Billion NT$557.00 +0.00% +0.00% Taiwan Low: NT$394.00 / High: NT$598.00 11.32 Million
35 Longwell Co
TWO:6290
$1.78 Billion NT$56.61 Billion NT$336.00 +2.28% +28.24% Taiwan Low: NT$94.20 / High: NT$336.00 186.82 Million
36 Fulltech Fiber Glass
TWO:1815
$1.70 Billion NT$53.80 Billion NT$103.50 +0.00% +4.02% Taiwan Low: NT$34.60 / High: NT$127.00 907.93 Million
37 Wafer Works
TWO:6182
$1.64 Billion NT$52.03 Billion NT$90.70 +0.55% +56.65% Taiwan Low: NT$20.20 / High: NT$90.70 1.21 Billion
38 Gudeng Precision Industrial Co Ltd
TWO:3680
$1.62 Billion NT$51.38 Billion NT$535.00 -3.95% +5.73% Taiwan Low: NT$283.00 / High: NT$616.00 98.70 Million
39 Keystone Microtech Corp
TWO:6683
$1.48 Billion NT$46.85 Billion NT$1700.00 -4.49% -4.49% Taiwan Low: NT$312.00 / High: NT$2565.00 26.86 Million
40 Taiwan FamilyMart Co Ltd
TWO:5903
$1.31 Billion NT$41.63 Billion NT$186.50 -0.53% -1.06% Taiwan Low: NT$186.50 / High: NT$211.00 812.14K
41 Gallant Micro Machining Co Ltd
TWO:6640
$1.20 Billion NT$37.94 Billion NT$1340.00 -5.96% +7.20% Taiwan Low: NT$430.00 / High: NT$1760.00 12.07 Million
42 Prosperity Dielectrics Co Ltd
TWO:6173
$1.18 Billion NT$37.58 Billion NT$219.50 -2.88% +37.62% Taiwan Low: NT$36.15 / High: NT$226.00 140.06 Million
43 Brighton-Best International Taiwan
TWO:8415
$1.09 Billion NT$34.67 Billion NT$34.50 -1.00% -5.35% Taiwan Low: NT$33.35 / High: NT$36.45 20.32 Million
44 First Hi-tec Enterprise Co Ltd
TWO:5439
$1.08 Billion NT$34.40 Billion NT$370.00 -4.02% +1.51% Taiwan Low: NT$171.00 / High: NT$438.50 136.87 Million
45 Max Zipper Co Ltd
TWO:8932
$1.08 Billion NT$34.25 Billion NT$97.00 -3.00% -1.92% Taiwan Low: NT$80.10 / High: NT$241.50 78.63 Million
46 Glotech Industrial
TWO:5475
$1.07 Billion NT$33.88 Billion NT$266.50 -6.98% -4.14% Taiwan Low: NT$17.25 / High: NT$388.00 70.20 Million
47 PixArt Imaging
TWO:3227
$1.07 Billion NT$33.81 Billion NT$225.50 -0.44% +0.89% Taiwan Low: NT$177.00 / High: NT$256.50 64.21 Million
48 Episil Holding
TWO:3707
$1.05 Billion NT$33.38 Billion NT$87.10 -2.46% +19.64% Taiwan Low: NT$32.10 / High: NT$89.30 692.85 Million
49 Advanced Wireless Semiconductor Co
TWO:8086
$1.02 Billion NT$32.52 Billion NT$165.50 -4.61% +14.53% Taiwan Low: NT$73.60 / High: NT$179.00 219.22 Million
50 Yuanta Futures Co Ltd
TWO:6023
$999.03 Million NT$31.71 Billion NT$99.10 +0.30% +1.64% Taiwan Low: NT$79.40 / High: NT$102.00 4.11 Million
51 CCP Contact Probe Co Ltd
TWO:6217
$987.84 Million NT$31.35 Billion NT$275.00 -0.36% +15.06% Taiwan Low: NT$25.50 / High: NT$341.00 92.46 Million
52 Tai-Tech Advanced Electronics Co Ltd
TWO:3357
$909.75 Million NT$28.88 Billion NT$283.00 -0.88% +22.51% Taiwan Low: NT$92.50 / High: NT$285.50 167.91 Million
53 IntelliEPI Cayman
TWO:4971
$895.70 Million NT$28.43 Billion NT$711.00 -4.44% +1.57% Taiwan Low: NT$98.60 / High: NT$872.00 28.67 Million
54 Taiwan Semiconductor Co Ltd
TWO:5425
$882.10 Million NT$28.00 Billion NT$114.50 +9.57% +31.76% Taiwan Low: NT$44.85 / High: NT$114.50 681.75 Million
55 Center Laboratories
TWO:4123
$878.83 Million NT$27.89 Billion NT$37.80 +1.48% -1.05% Taiwan Low: NT$33.60 / High: NT$49.35 60.34 Million
56 Coretronic
TWO:5371
$863.50 Million NT$27.41 Billion NT$70.10 -1.96% -0.57% Taiwan Low: NT$53.60 / High: NT$131.00 125.28 Million
57 Chief Telecom Inc
TWO:6561
$848.61 Million NT$26.94 Billion NT$350.00 -0.43% -1.41% Taiwan Low: NT$314.00 / High: NT$456.50 3.90 Million
58 Etron Technology
TWO:5351
$847.32 Million NT$26.89 Billion NT$82.60 +0.00% +11.02% Taiwan Low: NT$24.10 / High: NT$91.50 769.61 Million
59 Group Up Industrial Co Ltd
TWO:6664
$827.77 Million NT$26.27 Billion NT$441.00 -2.97% +12.36% Taiwan Low: NT$189.00 / High: NT$480.00 52.68 Million
60 Winstek Semiconductor Co Ltd
TWO:3265
$811.38 Million NT$25.75 Billion NT$189.00 -0.26% +10.85% Taiwan Low: NT$88.30 / High: NT$191.50 70.17 Million
61 E&R Engineering
TWO:8027
$806.70 Million NT$25.60 Billion NT$245.50 -1.60% +2.29% Taiwan Low: NT$77.60 / High: NT$271.50 250.11 Million
62 Anpec Electronics
TWO:6138
$799.86 Million NT$25.39 Billion NT$343.00 -3.52% +11.18% Taiwan Low: NT$160.00 / High: NT$369.50 48.93 Million
63 Contrel Technology Co Ltd
TWO:8064
$774.43 Million NT$24.58 Billion NT$133.00 -6.99% +7.69% Taiwan Low: NT$35.20 / High: NT$149.00 279.55 Million
64 Alltop Technology Co Ltd
TWO:3526
$764.95 Million NT$24.28 Billion NT$370.00 -0.54% +4.08% Taiwan Low: NT$220.00 / High: NT$395.00 36.61 Million
65 AIC Inc
TWO:3693
$758.49 Million NT$24.07 Billion NT$560.00 -4.60% +11.11% Taiwan Low: NT$234.50 / High: NT$707.00 44.31 Million
66 Oneness Biotech Co Ltd
TWO:4743
$749.13 Million NT$23.78 Billion NT$49.70 -2.17% +1.43% Taiwan Low: NT$49.00 / High: NT$78.50 66.46 Million
67 M31 Technology Corp
TWO:6643
$741.27 Million NT$23.53 Billion NT$563.00 -5.85% +0.00% Taiwan Low: NT$374.00 / High: NT$697.00 25.96 Million
68 Sporton International
TWO:6146
$730.13 Million NT$23.17 Billion NT$227.50 +2.02% +5.08% Taiwan Low: NT$155.00 / High: NT$238.50 15.47 Million
69 Quanta Storage
TWO:6188
$717.37 Million NT$22.77 Billion NT$81.80 -2.50% +1.36% Taiwan Low: NT$80.70 / High: NT$130.00 69.75 Million
70 Materials Analysis Technology
TWO:3587
$715.39 Million NT$22.71 Billion NT$329.50 -0.45% +2.49% Taiwan Low: NT$142.50 / High: NT$396.00 76.15 Million
71 Allied Circuit Co Ltd
TWO:8155
$711.28 Million NT$22.58 Billion NT$393.50 -1.75% +0.38% Taiwan Low: NT$115.00 / High: NT$456.50 80.85 Million
72 Albatron Technology Co Ltd
TWO:5386
$653.63 Million NT$20.75 Billion NT$575.00 -2.04% +33.88% Taiwan Low: NT$62.40 / High: NT$587.00 55.46 Million
73 ECOVE Environment Corp
TWO:6803
$653.50 Million NT$20.74 Billion NT$285.50 -0.35% -0.87% Taiwan Low: NT$283.00 / High: NT$309.50 1.86 Million
74 Golden Friends
TWO:4506
$652.49 Million NT$20.71 Billion NT$117.00 -0.43% -1.27% Taiwan Low: NT$110.50 / High: NT$132.50 1.91 Million
75 Sunmax Biotechnology Co Ltd
TWO:4728
$652.04 Million NT$20.70 Billion NT$380.00 +0.00% -1.17% Taiwan Low: NT$380.00 / High: NT$450.00 484.27K
76 Nova Technology
TWO:6613
$650.78 Million NT$20.66 Billion NT$265.50 -5.18% +7.27% Taiwan Low: NT$158.00 / High: NT$280.00 10.50 Million
77 Eris Technology
TWO:3675
$641.90 Million NT$20.37 Billion NT$384.00 +5.21% +23.27% Taiwan Low: NT$120.00 / High: NT$384.00 50.61 Million
78 EirGenix
TWO:6589
$632.48 Million NT$20.08 Billion NT$66.40 +0.45% +7.27% Taiwan Low: NT$59.60 / High: NT$66.40 14.47 Million
79 Gloria Material Technology
TWO:5009
$624.52 Million NT$19.82 Billion NT$35.50 +1.00% +0.28% Taiwan Low: NT$30.50 / High: NT$42.00 142.80 Million
80 Gallant Precision Machining Co Ltd
TWO:5443
$619.13 Million NT$19.65 Billion NT$122.00 -3.56% +4.72% Taiwan Low: NT$73.00 / High: NT$137.50 223.17 Million
81 Taiwan Chinsan Electronic Industrial Co Ltd
TWO:8042
$617.94 Million NT$19.61 Billion NT$151.50 +0.66% +30.04% Taiwan Low: NT$28.70 / High: NT$151.50 103.51 Million
82 Baotek Industrial Materials Ltd
TWO:5340
$614.02 Million NT$19.49 Billion NT$100.00 -2.91% +0.30% Taiwan Low: NT$40.70 / High: NT$134.00 68.79 Million
83 Lungyen Life Service
TWO:5530
$608.81 Million NT$19.32 Billion NT$46.00 -0.86% -1.50% Taiwan Low: NT$44.00 / High: NT$64.90 20.23 Million
84 YeaShin International Development Co Ltd
TWO:5213
$593.11 Million NT$18.83 Billion NT$26.15 -0.76% +0.19% Taiwan Low: NT$22.30 / High: NT$32.85 17.08 Million
85 Actron Technology
TWO:8255
$591.72 Million NT$18.78 Billion NT$184.50 -0.54% +18.27% Taiwan Low: NT$112.50 / High: NT$187.00 52.40 Million
86 APAC Opto Electronics
TWO:4908
$588.96 Million NT$18.69 Billion NT$239.00 -7.90% -3.24% Taiwan Low: NT$69.20 / High: NT$293.50 49.87 Million
87 Concord Securities Co Ltd
TWO:6016
$582.97 Million NT$18.50 Billion NT$26.95 +0.94% +23.62% Taiwan Low: NT$10.70 / High: NT$26.95 270.69 Million
88 INPAQ Technology Co Ltd
TWO:6284
$574.95 Million NT$18.25 Billion NT$124.00 +9.73% +40.91% Taiwan Low: NT$61.20 / High: NT$124.00 88.01 Million
89 TTY Biopharm Co Ltd
TWO:4105
$571.87 Million NT$18.15 Billion NT$73.00 -0.27% -1.35% Taiwan Low: NT$72.10 / High: NT$86.30 17.26 Million
90 Concord International Securities Co Ltd
TWO:5864
$570.62 Million NT$18.11 Billion NT$39.85 +3.24% +27.11% Taiwan Low: NT$11.30 / High: NT$39.85 165.31 Million
91 CoAsia Microelectronics
TWO:8096
$569.32 Million NT$18.07 Billion NT$121.00 +0.00% +12.56% Taiwan Low: NT$37.30 / High: NT$124.50 430.52 Million
92 Kenmec Mechanical Engineering Co Ltd
TWO:6125
$535.31 Million NT$16.99 Billion NT$65.60 -0.30% +19.93% Taiwan Low: NT$51.80 / High: NT$86.90 68.20 Million
93 Argosy Research
TWO:3217
$535.11 Million NT$16.98 Billion NT$188.50 -4.56% +0.00% Taiwan Low: NT$147.50 / High: NT$207.00 59.62 Million
94 Zilltek Technology Corp
TWO:6679
$531.35 Million NT$16.87 Billion NT$316.50 -4.09% +0.80% Taiwan Low: NT$169.50 / High: NT$345.50 17.47 Million
95 Yieh United Steel
TWO:9957
$515.98 Million NT$16.38 Billion NT$6.25 -1.57% +2.29% Taiwan Low: NT$5.92 / High: NT$9.15 17.79 Million
96 Liton Technology
TWO:6175
$506.07 Million NT$16.06 Billion NT$107.00 +9.86% +31.29% Taiwan Low: NT$31.80 / High: NT$107.00 225.84 Million
97 Ability Opto-Electronics Technology Co Ltd
TWO:3362
$497.92 Million NT$15.80 Billion NT$110.50 -1.78% -2.64% Taiwan Low: NT$87.50 / High: NT$142.00 43.30 Million
98 Wonderful Hi-Tech Co Ltd
TWO:6190
$491.41 Million NT$15.60 Billion NT$85.90 +6.84% +10.70% Taiwan Low: NT$37.00 / High: NT$85.90 270.85 Million
99 Synmosa Biopharma
TWO:4114
$478.03 Million NT$15.17 Billion NT$30.05 -0.66% -1.96% Taiwan Low: NT$30.05 / High: NT$39.25 23.64 Million
100 Youngtek Electronics
TWO:6261
$477.71 Million NT$15.16 Billion NT$118.00 +0.00% +3.06% Taiwan Low: NT$58.00 / High: NT$133.50 188.20 Million