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Yorktown Management & Research Co Inc
> KLAC
| Date | Name | Ticker | Shares | Change | Value | Change | Price |
| 06/30/2023 | KLA CORP | KLAC | 1,500 | 0 | 727,530,000 | 161,985,000 | $485,020.00 |
| 12/31/2022 | KLA CORP | KLAC | 1,500 | 0 | 565,545,000 | 565,091,000 | $377,030.00 |
| 09/30/2022 | KLA CORP | KLAC | 1,500 | 0 | 454,000 | -25,000 | $302.67 |
| 06/30/2022 | KLA CORP | KLAC | 1,500 | 0 | 479,000 | -70,000 | $319.33 |
| 03/31/2022 | KLA CORP | KLAC | 1,500 | 0 | 549,000 | -96,000 | $366.00 |
| 12/31/2021 | KLA CORP | KLAC | 1,500 | 0 | 645,000 | 143,000 | $430.00 |
| 09/30/2021 | KLA CORP | KLAC | 1,500 | 0 | 502,000 | 16,000 | $334.67 |
| 06/30/2021 | KLA CORP | KLAC | 1,500 | 0 | 486,000 | -10,000 | $324.00 |
| 03/31/2021 | KLA CORP | KLAC | 1,500 | 0 | 496,000 | 108,000 | $330.67 |
| 12/31/2020 | KLA CORP | KLAC | 1,500 | 0 | 388,000 | 97,000 | $258.67 |
| 09/30/2020 | KLA CORP | KLAC | 1,500 | 0 | 291,000 | -1,000 | $194.00 |
| 06/30/2020 | KLA CORP | KLAC | 1,500 | -1,700 | 292,000 | -168,000 | $194.67 |
| 03/31/2020 | KLA CORP | KLAC | 3,200 | 1,700 | 460,000 | 193,000 | $143.75 |
| 12/31/2019 | KLA CORP | KLAC | 1,500 | 0 | 267,000 | 28,000 | $178.00 |
| 09/30/2019 | KLA CORP | KLAC | 1,500 | 1,500 | 239,000 | 239,000 | $159.33 |
| 06/30/2019 | KLA CORP | KLAC | 0 | -11,500 | 0 | -1,373,000 | |
| 03/31/2019 | KLA CORP | KLAC | 11,500 | 1,500 | 1,373,000 | 478,000 | $119.39 |
| 12/31/2018 | KLA CORP | KLAC | 10,000 | -1,800 | 895,000 | -305,000 | $89.50 |
| 09/30/2018 | KLA CORP | KLAC | 11,800 | 3,000 | 1,200,000 | 298,000 | $101.69 |
| 06/30/2018 | KLA CORP | KLAC | 8,800 | 8,800 | 902,000 | 902,000 | $102.50 |
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