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Yorktown Management & Research Co Inc
> SVA
| Date | Name | Ticker | Shares | Change | Value | Change | Price |
| 06/30/2023 | SINOVAC BIOTECH LTD | SVA | 74,893 | 74,893 | 290,585,000 | 290,585,000 | $3,880.00 |
| 12/31/2022 | SINOVAC BIOTECH LTD | SVA | 0 | -74,893 | 0 | -485,000 | |
| 09/30/2022 | SINOVAC BIOTECH LTD | SVA | 74,893 | 0 | 485,000 | 0 | $6.48 |
| 06/30/2022 | SINOVAC BIOTECH LTD | SVA | 74,893 | 0 | 485,000 | 0 | $6.48 |
| 03/31/2022 | SINOVAC BIOTECH LTD | SVA | 74,893 | 0 | 485,000 | 0 | $6.48 |
| 12/31/2021 | SINOVAC BIOTECH LTD | SVA | 74,893 | 0 | 485,000 | 0 | $6.48 |
| 09/30/2021 | SINOVAC BIOTECH LTD | SVA | 74,893 | 0 | 485,000 | 0 | $6.48 |
| 06/30/2021 | SINOVAC BIOTECH LTD | SVA | 74,893 | 0 | 485,000 | 0 | $6.48 |
| 03/31/2021 | SINOVAC BIOTECH LTD | SVA | 74,893 | 0 | 485,000 | 0 | $6.48 |
| 12/31/2020 | SINOVAC BIOTECH LTD | SVA | 74,893 | 0 | 485,000 | 0 | $6.48 |
| 09/30/2020 | SINOVAC BIOTECH LTD | SVA | 74,893 | 0 | 485,000 | 0 | $6.48 |
| 06/30/2020 | SINOVAC BIOTECH LTD | SVA | 74,893 | 0 | 485,000 | 0 | $6.48 |
| 03/31/2020 | SINOVAC BIOTECH LTD | SVA | 74,893 | 0 | 485,000 | 0 | $6.48 |
| 12/31/2019 | SINOVAC BIOTECH LTD | SVA | 74,893 | 0 | 485,000 | 0 | $6.48 |
| 09/30/2019 | SINOVAC BIOTECH LTD | SVA | 74,893 | 0 | 485,000 | 0 | $6.48 |
| 06/30/2019 | SINOVAC BIOTECH LTD | SVA | 74,893 | 0 | 485,000 | 0 | $6.48 |
| 03/31/2019 | SINOVAC BIOTECH LTD | SVA | 74,893 | 0 | 485,000 | -35,000 | $6.48 |
| 12/31/2018 | SINOVAC BIOTECH LTD | SVA | 74,893 | 5,101 | 520,000 | -17,000 | $6.94 |
| 09/30/2018 | SINOVAC BIOTECH LTD | SVA | 69,792 | 5,147 | 537,000 | 55,000 | $7.69 |
| 06/30/2018 | SINOVAC BIOTECH LTD | SVA | 64,645 | 64,645 | 482,000 | 482,000 | $7.46 |
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