Interactive Brokers Group, Inc. (IBKR)

Financial: Investment Brokerage - National

As of September 30, 2011
Closing price on 09/30/2011:
$13.93
Filers who had this stock in their top 10:
3
13F Filers holding this stock:
140
Aggregate shares on 09/30/2011:
31,788,206
Aggregate shares on 06/30/2011:
30,887,136
Percent change:
2.917299%
Heat Map Ranking for 09/30/2011

Interactive Brokers Group, Inc. Stock Chart by YCharts

Schedule 13D and 13G filings submitted since 09/30/2011

Filing Company Date of
Filing
Total Reported
Shares Owned
Shares Reported
on 13F
SC 13G/A BAMCO INC /NY/ 06/10/2011 995,758 108,100
SC 13G/A BLACKROCK INC. 02/09/2012 4,238,008 58,890

13F Filers holding this stock

Quarter 1: Quarter 2:
*Shares are split adjusted