| Symbol | Name | Country | Exchange |
|---|---|---|---|
| KLDI | Kldiscovery | US | OTC |
| KLIMAT | Klimator AB | SE | ST |
| KLR | Kaleyra, Inc. | US | NYSE |
| KNEOF | KNeoMedia Limited | US | OTC |
| KNNNF | Kainos Group plc | US | US |
| KNO | Knosys Ltd | AU | AU |
| KNO | Knosys Limited | AU | ASX |
| KRONT | Kron Telekomunikasyon Hizmetleri AS | TR | IS |
| KS70 | KINGSOFT C.H.LTD. DL-001 | DE | F |
| KSIH | KS International Holdings Corporation | US | US |
| KSOFT | Kulcs-Soft Nyrt. | HU | BUD |
| KSOLVES | Ksolves India Limited | IN | NSE |
| KTSA | ARCONTECH GROUP LS-125 | DE | F |
| KVYO | Klaviyo Inc. | US | US |
| KWIK | KwikclickInc | US | OTC |
| KXS | Kinaxis Inc | CA | TO |
| KXSCF | Kinaxis Inc | US | OTC |
| KY3A | Keyware Technologies NV | DE | F |
| KYK | Kyckr Ltd | AU | ASX |
| L1CC | INSPUR INTL NEW HD-01 | DE | F |