Interactive Brokers shares owned by Markston International
Quarter-by-quarter ownership of Interactive Brokers (IBKR) shares owned by Markston International
from 13F filings
Historical chart of Markston International investment in Interactive Brokers
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Quarterly reported holdings in Interactive Brokers by Markston International
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2021-12-31 | $111k | 1.4k | 79.29 |
| 2021-09-30 | $87k | 1.4k | 62.14 |
| 2021-06-30 | $92k | 1.4k | 65.71 |
| 2021-03-31 | $102k | 1.4k | 72.86 |
| 2020-12-31 | $85k | 1.4k | 60.71 |
| 2020-09-30 | $68k | 1.4k | 48.57 |
| 2020-06-30 | $58k | 1.4k | 41.43 |
| 2020-03-31 | $60k | 1.4k | 42.86 |
| 2019-12-31 | $65k | 1.4k | 46.43 |
| 2019-09-30 | $75k | 1.4k | 53.57 |
| 2019-06-30 | $81k | 1.5k | 54.00 |
| 2019-03-31 | $78k | 1.5k | 52.00 |
| 2018-12-31 | $82k | 1.5k | 54.67 |
| 2018-09-30 | $83k | 1.5k | 55.33 |
| 2018-06-30 | $90k | 1.5k | 60.00 |
| 2018-03-31 | $101k | 1.5k | 67.33 |
| 2017-12-31 | $95k | 1.6k | 59.38 |
| 2017-09-30 | $72k | 1.6k | 45.00 |
| 2017-06-30 | $82k | 2.2k | 37.27 |
| 2017-03-31 | $76k | 2.2k | 34.55 |
| 2016-12-31 | $15k | 400 | 37.50 |
| 2016-09-30 | $14k | 400 | 35.00 |