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Interactive Brokers shares owned by Echinus Advisors

Quarter-by-quarter ownership of Interactive Brokers (IBKR) shares owned by Echinus Advisors from 13F filings

Historical chart of Echinus Advisors investment in Interactive Brokers

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All positions including Interactive Brokers held by Echinus Advisors consolidated in one spreadsheet with up to 7 years of data

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Quarterly reported holdings in Interactive Brokers by Echinus Advisors

Quarter filed Position value Share count Share price at filing
2016-09-30 $40M 1.1M 35.27
2016-06-30 $40M 1.1M 35.40
2016-03-31 $45M 1.1M 39.32
2015-12-31 $27M 626k 43.60
2015-03-31 $28M 830k 34.02
2014-12-31 $22M 738k 29.16