| Name | TIDM | ISIN | Watchlist |
|---|---|---|---|
| Kala Bio, Inc. | KALA | US4831193010 | |
| KARO | KARO | ||
| KAZR | KAZR | ||
| KDKRW | KDKRW | US5000811126 | |
 KG | KG | ||
| KGEI | KGEI | US50043K4067 | |
| KIDZ | KIDZ | US1827443003 | |
| KIDZW | KIDZW | US1827441106 | |
| KINS | KINS | US4967191051 | |
 Kiora Pharmaceuticals, Inc. | KPRX | US49721T5074 | |
| KITT | KITT | US63911H4056 | |
| KITTW | KITTW | US63911H1169 | |
| KMRK | KMRK | ||
 Kopin Corporation | KOPN | US5006001011 | |
| KOSS | KOSS | US5006921085 | |
| KRKR | KRKR | US88429K2024 | |
| KRMD | KRMD | US7599101026 | |
| KRRO | KRRO | US5009461089 | |
| KSCP | KSCP | US49907V2016 | |
| KTTA | KTTA | US70261F2020 | |
| KTTAW | KTTAW | US70261F1113 | |
| Kustom Entertainment, Inc. | KUST | US25382T6064 | |
| KWM | KWM | ||
| KWMWW | KWMWW | ||
| KXIN | KXIN | ||
| KYIVW | KYIVW | ||
| KZIA | KZIA | US48669G3039 |