News + Filings Holdings
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Harbor Advisors LLC
> IBKR
| Date | Name | Ticker | Shares | Change | Value | Change | Price |
| 06/30/2023 | Interactive Brokers Group, Inc. | IBKR | 49,558 | 0 | 4,116,783,000 | 25,275,000 | $83,070.00 |
| 03/31/2023 | Interactive Brokers Group, Inc. | IBKR | 49,558 | 0 | 4,091,508,000 | 4,088,341,000 | $82,559.99 |
| 09/30/2022 | Interactive Brokers Group, Inc. | IBKR | 49,558 | 0 | 3,167,000 | 441,000 | $63.90 |
| 06/30/2022 | Interactive Brokers Group, Inc. | IBKR | 49,558 | 0 | 2,726,000 | -540,000 | $55.01 |
| 03/31/2022 | Interactive Brokers Group, Inc. | IBKR | 49,558 | 0 | 3,266,000 | -670,000 | $65.90 |
| 12/31/2021 | Interactive Brokers Group, Inc. | IBKR | 49,558 | 0 | 3,936,000 | 847,000 | $79.42 |
| 09/30/2021 | Interactive Brokers Group, Inc. | IBKR | 49,558 | 0 | 3,089,000 | -168,000 | $62.33 |
| 06/30/2021 | Interactive Brokers Group, Inc. | IBKR | 49,558 | 0 | 3,257,000 | -363,000 | $65.72 |
| 03/31/2021 | Interactive Brokers Group, Inc. | IBKR | 49,558 | 0 | 3,620,000 | 601,000 | $73.05 |
| 12/31/2020 | Interactive Brokers Group, Inc. | IBKR | 49,558 | 0 | 3,019,000 | 624,000 | $60.92 |
| 09/30/2020 | Interactive Brokers Group, Inc. | IBKR | 49,558 | 0 | 2,395,000 | 325,000 | $48.33 |
| 06/30/2020 | Interactive Brokers Group, Inc. | IBKR | 49,558 | 0 | 2,070,000 | -69,000 | $41.77 |
| 03/31/2020 | Interactive Brokers Group, Inc. | IBKR | 49,558 | 0 | 2,139,000 | -171,000 | $43.16 |
| 12/31/2019 | Interactive Brokers Group, Inc. | IBKR | 49,558 | 0 | 2,310,000 | -355,000 | $46.61 |
| 09/30/2019 | Interactive Brokers Group, Inc. | IBKR | 49,558 | 0 | 2,665,000 | -21,000 | $53.78 |
| 06/30/2019 | Interactive Brokers Group, Inc. | IBKR | 49,558 | 0 | 2,686,000 | 115,000 | $54.20 |
| 03/31/2019 | Interactive Brokers Group, Inc. | IBKR | 49,558 | 0 | 2,571,000 | -137,000 | $51.88 |
| 12/31/2018 | Interactive Brokers Group, Inc. | IBKR | 49,558 | 0 | 2,708,000 | -33,000 | $54.64 |
| 09/30/2018 | Interactive Brokers Group, Inc. | IBKR | 49,558 | 0 | 2,741,000 | -451,000 | $55.31 |
| 06/30/2018 | Interactive Brokers Group, Inc. | IBKR | 49,558 | 3,350 | 3,192,000 | 85,000 | $64.41 |
| 03/31/2018 | Interactive Brokers Group, Inc. | IBKR | 46,208 | 6,500 | 3,107,000 | 756,000 | $67.24 |
| 12/31/2017 | Interactive Brokers Group, Inc. | IBKR | 39,708 | 0 | 2,351,000 | 563,000 | $59.21 |
| 09/30/2017 | Interactive Brokers Group, Inc. | IBKR | 39,708 | 0 | 1,788,000 | 302,000 | $45.03 |
| 06/30/2017 | Interactive Brokers Group, Inc. | IBKR | 39,708 | 2,000 | 1,486,000 | 177,000 | $37.42 |
| 03/31/2017 | Interactive Brokers Group, Inc. | IBKR | 37,708 | 9,000 | 1,309,000 | 261,000 | $34.71 |
| 12/31/2016 | Interactive Brokers Group, Inc. | IBKR | 28,708 | 28,708 | 1,048,000 | 1,048,000 | $36.51 |
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