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 $306.83 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)

$306.83 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
$27.39 Billion NT$869.29 Billion NT$20905.00 +5.47% +16.27% Taiwan Low: NT$4905.00 / High: NT$20905.00 7.60 Million
2 MPI Corporation
TWO:6223
$16.50 Billion NT$523.71 Billion NT$5345.00 -2.73% -4.47% Taiwan Low: NT$1635.00 / High: NT$7380.00 27.56 Million
3 GlobalWafers Co Ltd
TWO:6488
$14.63 Billion NT$464.25 Billion NT$971.00 +4.30% +7.89% Taiwan Low: NT$344.00 / High: NT$1515.00 222.13 Million
4 Phison Electronics
TWO:8299
$14.33 Billion NT$454.71 Billion NT$2185.00 +1.63% +12.92% Taiwan Low: NT$642.00 / High: NT$2880.00 100.47 Million
5 Taiwan Union Technology
TWO:6274
$13.10 Billion NT$415.73 Billion NT$1440.00 +0.35% +2.13% Taiwan Low: NT$298.00 / High: NT$1900.00 171.55 Million
6 Vanguard International Semiconductor
TWO:5347
$10.18 Billion NT$323.06 Billion NT$173.00 +0.58% +8.46% Taiwan Low: NT$88.00 / High: NT$220.00 329.49 Million
7 LandMark Optoelectronics
TWO:3081
$8.23 Billion NT$261.36 Billion NT$2825.00 -1.74% +2.91% Taiwan Low: NT$389.00 / High: NT$3530.00 97.10 Million
8 eMemory Technology
TWO:3529
$7.32 Billion NT$232.28 Billion NT$3110.00 +9.89% +13.92% Taiwan Low: NT$1490.00 / High: NT$4705.00 34.99 Million
9 International Games System Co Ltd
TWO:3293
$6.45 Billion NT$204.87 Billion NT$727.00 +0.41% +4.01% Taiwan Low: NT$670.00 / High: NT$819.00 76.03 Million
10 E Ink Holdings
TWO:8069
$5.26 Billion NT$167.09 Billion NT$145.00 +0.35% -0.34% Taiwan Low: NT$136.50 / High: NT$249.00 138.01 Million
11 Chipbond Technology
TWO:6147
$5.14 Billion NT$163.07 Billion NT$219.00 -2.23% +15.87% Taiwan Low: NT$51.20 / High: NT$305.50 1.05 Billion
12 Auras Technology Co Ltd
TWO:3324
$4.62 Billion NT$146.52 Billion NT$1600.00 +5.26% +22.61% Taiwan Low: NT$815.00 / High: NT$1600.00 101.03 Million
13 Xintec
TWO:3374
$4.16 Billion NT$132.15 Billion NT$487.00 +9.93% +13.39% Taiwan Low: NT$129.50 / High: NT$488.00 329.84 Million
14 Ardentec
TWO:3264
$4.13 Billion NT$131.04 Billion NT$276.50 -2.64% +21.54% Taiwan Low: NT$77.30 / High: NT$284.00 224.66 Million
15 InnoDisk
TWO:5289
$3.93 Billion NT$124.76 Billion NT$1295.00 +0.00% +0.39% Taiwan Low: NT$310.00 / High: NT$1990.00 38.78 Million
16 Co-Tech Development
TWO:8358
$3.91 Billion NT$124.10 Billion NT$491.50 +0.00% -5.12% Taiwan Low: NT$204.00 / High: NT$700.00 437.48 Million
17 Adata Technology Co Ltd
TWO:3260
$3.84 Billion NT$121.83 Billion NT$384.00 -1.29% -3.52% Taiwan Low: NT$143.00 / High: NT$508.00 196.89 Million
18 Chunghwa Precision Test Tech Co Ltd
TWO:6510
$3.82 Billion NT$121.32 Billion NT$3700.00 +6.17% +9.63% Taiwan Low: NT$1465.00 / High: NT$4200.00 22.53 Million
19 Sino-American Silicon Products
TWO:5483
$3.77 Billion NT$119.76 Billion NT$195.00 +4.56% +10.48% Taiwan Low: NT$97.00 / High: NT$278.00 354.18 Million
20 All Ring Tech Co Ltd
TWO:6187
$3.73 Billion NT$118.30 Billion NT$1215.00 -1.62% -0.82% Taiwan Low: NT$314.50 / High: NT$1430.00 60.52 Million
21 Acter Co Ltd
TWO:5536
$3.47 Billion NT$110.18 Billion NT$888.00 +2.66% +4.59% Taiwan Low: NT$618.00 / High: NT$1435.00 21.23 Million
22 Universal Microwave Technology
TWO:3491
$3.21 Billion NT$101.83 Billion NT$1480.00 -2.63% +6.47% Taiwan Low: NT$420.50 / High: NT$2200.00 39.65 Million
23 LuxNet
TWO:4979
$2.71 Billion NT$86.13 Billion NT$605.00 -2.10% +10.60% Taiwan Low: NT$179.00 / High: NT$718.00 234.60 Million
24 FOCI Fiber Optic Communications
TWO:3363
$2.36 Billion NT$75.00 Billion NT$660.00 -0.15% -2.22% Taiwan Low: NT$331.50 / High: NT$990.00 112.32 Million
25 Simplo Technology Co Ltd
TWO:6121
$2.20 Billion NT$69.73 Billion NT$377.00 +0.94% -0.53% Taiwan Low: NT$312.00 / High: NT$467.50 12.99 Million
26 Wafer Works
TWO:6182
$2.15 Billion NT$68.26 Billion NT$119.00 +3.48% +14.98% Taiwan Low: NT$27.05 / High: NT$189.50 1.20 Billion
27 Chang Wah Technology Co Ltd
TWO:6548
$2.14 Billion NT$67.94 Billion NT$73.60 +0.41% +1.80% Taiwan Low: NT$33.80 / High: NT$98.10 65.63 Million
28 Grand Plastic Technology
TWO:3131
$2.14 Billion NT$67.86 Billion NT$2410.00 -2.23% +4.33% Taiwan Low: NT$1335.00 / High: NT$3905.00 10.93 Million
29 Fulltech Fiber Glass
TWO:1815
$2.00 Billion NT$63.42 Billion NT$122.00 +0.83% +1.67% Taiwan Low: NT$60.30 / High: NT$131.00 1.87 Billion
30 Browave
TWO:3163
$1.99 Billion NT$63.12 Billion NT$667.00 +0.00% +1.68% Taiwan Low: NT$199.00 / High: NT$1260.00 63.71 Million
31 Dynapack International Technology
TWO:3211
$1.89 Billion NT$59.88 Billion NT$385.00 -0.65% +6.21% Taiwan Low: NT$256.00 / High: NT$469.00 135.63 Million
32 Solar Applied Materials Technology
TWO:1785
$1.80 Billion NT$57.22 Billion NT$96.00 -1.44% +0.95% Taiwan Low: NT$55.70 / High: NT$185.00 87.78 Million
33 GCS Holdings
TWO:4991
$1.70 Billion NT$53.82 Billion NT$473.00 -5.02% +6.29% Taiwan Low: NT$130.00 / High: NT$870.00 120.38 Million
34 Prosperity Dielectrics Co Ltd
TWO:6173
$1.63 Billion NT$51.87 Billion NT$303.00 -1.62% +3.24% Taiwan Low: NT$46.55 / High: NT$350.50 481.99 Million
35 Gudeng Precision Industrial Co Ltd
TWO:3680
$1.63 Billion NT$51.67 Billion NT$538.00 -1.82% +6.11% Taiwan Low: NT$315.00 / High: NT$616.00 45.15 Million
36 Longwell Co
TWO:6290
$1.48 Billion NT$46.82 Billion NT$276.00 -1.78% +6.15% Taiwan Low: NT$120.00 / High: NT$367.00 112.17 Million
37 Parade Technologies Ltd
TWO:4966
$1.40 Billion NT$44.44 Billion NT$582.00 +2.65% +8.38% Taiwan Low: NT$463.50 / High: NT$870.00 14.79 Million
38 Keystone Microtech Corp
TWO:6683
$1.38 Billion NT$43.81 Billion NT$1590.00 -5.07% +19.10% Taiwan Low: NT$358.00 / High: NT$2565.00 29.71 Million
39 Taiwan FamilyMart Co Ltd
TWO:5903
$1.30 Billion NT$41.30 Billion NT$185.00 +0.00% +0.00% Taiwan Low: NT$182.50 / High: NT$196.50 390.64K
40 WIN Semiconductors
TWO:3105
$1.28 Billion NT$40.49 Billion NT$501.00 +2.14% +12.84% Taiwan Low: NT$91.70 / High: NT$617.00 731.99 Million
41 Yuanta Futures Co Ltd
TWO:6023
$1.27 Billion NT$40.30 Billion NT$87.90 +0.00% +3.17% Taiwan Low: NT$82.00 / High: NT$108.00 19.22 Million
42 Brighton-Best International Taiwan
TWO:8415
$1.10 Billion NT$35.05 Billion NT$34.95 -0.14% +0.14% Taiwan Low: NT$33.45 / High: NT$38.65 16.45 Million
43 Etron Technology
TWO:5351
$1.09 Billion NT$34.53 Billion NT$106.00 -3.20% +0.00% Taiwan Low: NT$33.20 / High: NT$135.50 321.96 Million
44 Max Zipper Co Ltd
TWO:8932
$1.05 Billion NT$33.18 Billion NT$93.70 -1.26% +3.42% Taiwan Low: NT$80.10 / High: NT$219.00 76.67 Million
45 Coretronic
TWO:5371
$1.03 Billion NT$32.65 Billion NT$83.50 -0.95% -3.24% Taiwan Low: NT$66.10 / High: NT$119.00 352.39 Million
46 AIC Inc
TWO:3693
$948.11 Million NT$30.09 Billion NT$700.00 -0.28% +1.74% Taiwan Low: NT$234.50 / High: NT$707.00 42.74 Million
47 Gallant Micro Machining Co Ltd
TWO:6640
$936.02 Million NT$29.71 Billion NT$1035.00 -6.76% -8.41% Taiwan Low: NT$524.00 / High: NT$1760.00 13.48 Million
48 PixArt Imaging
TWO:3227
$880.64 Million NT$27.95 Billion NT$184.00 +0.00% +1.66% Taiwan Low: NT$177.00 / High: NT$256.50 15.26 Million
49 Episil Holding
TWO:3707
$876.91 Million NT$27.83 Billion NT$69.50 +9.62% +15.45% Taiwan Low: NT$45.60 / High: NT$100.50 102.88 Million
50 Winstek Semiconductor Co Ltd
TWO:3265
$813.52 Million NT$25.82 Billion NT$189.50 +4.70% +16.26% Taiwan Low: NT$88.30 / High: NT$193.50 41.68 Million
51 Ability Opto-Electronics Technology Co Ltd
TWO:3362
$801.32 Million NT$25.43 Billion NT$172.50 -1.15% +2.37% Taiwan Low: NT$87.50 / High: NT$211.00 139.66 Million
52 Contrel Technology Co Ltd
TWO:8064
$780.25 Million NT$24.77 Billion NT$134.00 -2.90% +18.06% Taiwan Low: NT$37.25 / High: NT$172.50 203.33 Million
53 Chief Telecom Inc
TWO:6561
$757.69 Million NT$24.05 Billion NT$312.50 -0.95% -0.32% Taiwan Low: NT$308.00 / High: NT$420.00 1.03 Million
54 First Hi-tec Enterprise Co Ltd
TWO:5439
$742.56 Million NT$23.57 Billion NT$253.50 +3.47% +2.84% Taiwan Low: NT$185.50 / High: NT$438.50 53.50 Million
55 Glotech Industrial
TWO:5475
$724.94 Million NT$23.01 Billion NT$181.00 +1.12% +2.84% Taiwan Low: NT$53.90 / High: NT$388.00 137.79 Million
56 Center Laboratories
TWO:4123
$720.73 Million NT$22.88 Billion NT$31.00 +0.81% +2.14% Taiwan Low: NT$29.55 / High: NT$49.35 37.97 Million
57 Taiwan Semiconductor Co Ltd
TWO:5425
$720.31 Million NT$22.86 Billion NT$93.50 +0.21% +3.77% Taiwan Low: NT$50.80 / High: NT$144.00 363.06 Million
58 IntelliEPI Cayman
TWO:4971
$715.55 Million NT$22.71 Billion NT$568.00 -2.24% +6.97% Taiwan Low: NT$139.50 / High: NT$872.00 67.70 Million
59 Advanced Wireless Semiconductor Co
TWO:8086
$681.05 Million NT$21.62 Billion NT$110.00 +0.46% +4.27% Taiwan Low: NT$93.60 / High: NT$179.00 82.70 Million
60 Allied Circuit Co Ltd
TWO:8155
$676.92 Million NT$21.49 Billion NT$344.50 +5.19% +8.85% Taiwan Low: NT$148.50 / High: NT$456.50 16.35 Million
61 Tai-Tech Advanced Electronics Co Ltd
TWO:3357
$676.69 Million NT$21.48 Billion NT$210.50 +0.72% +5.78% Taiwan Low: NT$127.50 / High: NT$348.00 29.39 Million
62 Sunmax Biotechnology Co Ltd
TWO:4728
$675.20 Million NT$21.43 Billion NT$393.50 -1.50% -1.63% Taiwan Low: NT$373.00 / High: NT$420.00 230.86K
63 Oneness Biotech Co Ltd
TWO:4743
$670.75 Million NT$21.29 Billion NT$44.40 -0.78% +2.19% Taiwan Low: NT$41.15 / High: NT$74.80 30.09 Million
64 Group Up Industrial Co., Ltd.
TWO:6664
$664.77 Million NT$21.10 Billion NT$347.00 +1.91% +3.27% Taiwan Low: NT$238.00 / High: NT$480.00 11.51 Million
65 Golden Friends
TWO:4506
$658.07 Million NT$20.89 Billion NT$118.00 -0.84% -0.84% Taiwan Low: NT$111.00 / High: NT$132.50 1.25 Million
66 Nova Technology
TWO:6613
$654.46 Million NT$20.77 Billion NT$267.00 +0.00% +5.33% Taiwan Low: NT$166.50 / High: NT$390.00 9.93 Million
67 Lungyen Life Service
TWO:5530
$647.19 Million NT$20.54 Billion NT$48.90 -0.31% -1.31% Taiwan Low: NT$44.00 / High: NT$58.00 5.24 Million
68 M31 Technology Corp
TWO:6643
$644.50 Million NT$20.46 Billion NT$489.50 +2.41% +16.41% Taiwan Low: NT$367.00 / High: NT$697.00 11.94 Million
69 Anpec Electronics
TWO:6138
$641.28 Million NT$20.35 Billion NT$275.00 +0.92% +2.42% Taiwan Low: NT$209.50 / High: NT$440.00 13.35 Million
70 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
71 TTY Biopharm Co Ltd
TWO:4105
$618.87 Million NT$19.64 Billion NT$79.00 -0.13% +1.15% Taiwan Low: NT$72.10 / High: NT$86.30 11.19 Million
72 Medigen Vaccine Biologics
TWO:6547
$614.19 Million NT$19.49 Billion NT$59.30 +0.85% +2.07% Taiwan Low: NT$33.75 / High: NT$68.10 154.05 Million
73 CCP Contact Probe Co Ltd
TWO:6217
$612.46 Million NT$19.44 Billion NT$170.50 -2.85% +5.90% Taiwan Low: NT$42.60 / High: NT$341.00 113.27 Million
74 ECOVE Environment Corp
TWO:6803
$611.15 Million NT$19.40 Billion NT$267.00 +0.19% -0.56% Taiwan Low: NT$266.50 / High: NT$309.50 1.15 Million
75 TrueLight
TWO:3234
$607.59 Million NT$19.29 Billion NT$173.00 -3.08% -0.57% Taiwan Low: NT$31.10 / High: NT$211.00 98.44 Million
76 E&R Engineering
TWO:8027
$594.75 Million NT$18.88 Billion NT$181.00 +0.84% +9.04% Taiwan Low: NT$83.70 / High: NT$293.00 61.98 Million
77 Sporton International
TWO:6146
$576.08 Million NT$18.29 Billion NT$179.50 -0.28% +0.28% Taiwan Low: NT$155.00 / High: NT$238.50 6.31 Million
78 Concord Securities Co Ltd
TWO:6016
$575.53 Million NT$18.27 Billion NT$23.65 +0.00% +4.88% Taiwan Low: NT$12.45 / High: NT$36.00 116.48 Million
79 Alltop Technology Co Ltd
TWO:3526
$561.31 Million NT$17.82 Billion NT$271.50 +0.37% +2.07% Taiwan Low: NT$229.00 / High: NT$395.00 4.78 Million
80 Materials Analysis Technology
TWO:3587
$557.20 Million NT$17.69 Billion NT$239.00 -0.21% +2.58% Taiwan Low: NT$180.50 / High: NT$396.00 10.67 Million
81 TaiMed Biologics
TWO:4147
$556.07 Million NT$17.65 Billion NT$65.20 +1.72% +8.85% Taiwan Low: NT$47.10 / High: NT$77.40 24.08 Million
82 Gloria Material Technology
TWO:5009
$554.17 Million NT$17.59 Billion NT$32.10 +0.16% +0.78% Taiwan Low: NT$30.50 / High: NT$40.15 40.76 Million
83 APAC Opto Electronics
TWO:4908
$548.30 Million NT$17.40 Billion NT$222.50 -4.09% -1.33% Taiwan Low: NT$69.20 / High: NT$293.50 146.05 Million
84 Quanta Storage
TWO:6188
$546.36 Million NT$17.34 Billion NT$62.30 -0.64% -0.16% Taiwan Low: NT$61.40 / High: NT$130.00 15.05 Million
85 Gallant Precision Machining Co Ltd
TWO:5443
$541.22 Million NT$17.18 Billion NT$106.50 -2.29% +3.90% Taiwan Low: NT$78.30 / High: NT$137.50 53.72 Million
86 Concord International Securities Co Ltd
TWO:5864
$526.94 Million NT$16.73 Billion NT$36.80 +0.41% +3.66% Taiwan Low: NT$14.05 / High: NT$53.60 66.63 Million
87 Brave C&H Supply Co Ltd
TWO:6538
$523.62 Million NT$16.62 Billion NT$445.50 +4.45% +19.60% Taiwan Low: NT$60.90 / High: NT$445.50 57.53 Million
88 Baotek Industrial Materials Ltd
TWO:5340
$510.87 Million NT$16.22 Billion NT$83.20 +1.46% -1.30% Taiwan Low: NT$43.90 / High: NT$134.00 90.54 Million
89 Eris Technology
TWO:3675
$504.83 Million NT$16.02 Billion NT$302.00 +2.55% +16.60% Taiwan Low: NT$127.50 / High: NT$450.00 25.65 Million
90 STL Technology Co Ltd
TWO:4931
$496.80 Million NT$15.77 Billion NT$240.50 +0.42% +3.89% Taiwan Low: NT$119.00 / High: NT$280.00 129.41 Million
91 Advanced Ceramic X
TWO:3152
$480.54 Million NT$15.25 Billion NT$221.00 -0.90% +0.68% Taiwan Low: NT$106.00 / High: NT$367.93 5.44 Million
92 Albatron Technology Co Ltd
TWO:5386
$479.99 Million NT$15.24 Billion NT$281.50 -2.09% -6.79% Taiwan Low: NT$62.40 / High: NT$593.00 42.08 Million
93 Synmosa Biopharma
TWO:4114
$470.87 Million NT$14.95 Billion NT$29.60 +0.00% +0.51% Taiwan Low: NT$28.90 / High: NT$34.65 16.99 Million
94 YeaShin International Development Co Ltd
TWO:5213
$470.64 Million NT$14.94 Billion NT$20.75 -0.48% +0.97% Taiwan Low: NT$20.30 / High: NT$27.40 4.85 Million
95 Utechzone Co Ltd
TWO:3455
$466.69 Million NT$14.81 Billion NT$247.50 -3.51% +7.38% Taiwan Low: NT$82.50 / High: NT$310.00 53.93 Million
96 Yieh United Steel
TWO:9957
$463.15 Million NT$14.70 Billion NT$5.61 -0.71% -1.06% Taiwan Low: NT$5.61 / High: NT$9.15 3.55 Million
97 Soft-World International
TWO:5478
$458.35 Million NT$14.55 Billion NT$97.10 -0.21% +0.31% Taiwan Low: NT$94.00 / High: NT$115.00 1.34 Million
98 Taiwan Chinsan Electronic Industrial Co Ltd
TWO:8042
$454.78 Million NT$14.44 Billion NT$111.50 -1.76% +0.45% Taiwan Low: NT$37.50 / High: NT$210.50 129.73 Million
99 Viking Tech
TWO:3624
$451.02 Million NT$14.32 Billion NT$122.00 -7.92% -1.61% Taiwan Low: NT$36.60 / High: NT$176.50 414.99 Million
100 Actron Technology
TWO:8255
$448.03 Million NT$14.22 Billion NT$139.50 +1.45% +4.49% Taiwan Low: NT$115.00 / High: NT$214.50 6.79 Million