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| Yujin Robot Co. Ltd. (056080) KOSDAQ - KOSDAQ Stock Market | |
| Yuanta 2 Special Purpose Acquistn Co Ltd (219960) KOSDAQ - KOSDAQ Stock Market | |
| Youngwoo DSP Co Ltd (143540) KOSDAQ - KOSDAQ Stock Market | |
| Youngsin Metal Industrial (007530) KOSDAQ - KOSDAQ Stock Market | |
| Youngjin Corporation Co Ltd (053330) KOSDAQ - KOSDAQ Stock Market | |
| Young Poong Precision Corporation (036560) KOSDAQ - KOSDAQ Stock Market | |
| Young In Frontier Co Ltd (036180) KOSDAQ - KOSDAQ Stock Market | |
| Y Entec Co Ltd (067900) KOSDAQ - KOSDAQ Stock Market | |
| YESCO Co., Ltd (015360) KRX - Korea Exchange | |
| YG Plus Inc (037270) KRX - Korea Exchange | |
| Yuanta Securities Korea Co., Ltd (003475) KRX - Korea Exchange | |
| Yuanta Securities Korea Co., Ltd (003470) KRX - Korea Exchange | |
| Youngone Holdings Co Ltd (009970) KRX - Korea Exchange | |
| Youngbo Chemical Co Ltd (014440) KRX - Korea Exchange | |