Interactive Brokers Group Inc: Ownership

Ownership Information
Shares Outstanding 41.00 Mil
Institutional Ownership (%)77.46
Top 10 Institutions (%)49.40
Mutual Fund Ownership (%)2.68
5%/Insider Ownership (%).99
Float (%)99.01
Ownership Activity
Description# of HoldersShares
Total Positions 13431,760,056
New Positions180
Soldout Positions1290
Net Position Change-118-12,302,585
Buyers687,293,148
Sellers186-19,595,732
advertisement
Institution Name Shs Held Shs Chg %Chg $Chg* %Out %Port Rpt Date
T. Rowe Price Associates, Inc. 5,071,700 1,268,300 33.3 17,414,660 12.3 0.0 06-30-09
Pyramis Global Advisors, LLC 4,229,019 367,105 9.5 3,383,992 10.3 0.2 06-30-09
Vanguard Group, Inc. 1,941,636 -59,103 -3.0 -2,118,313 4.7 0.0 06-30-09
Fidelity Management & Research 1,849,533 -364,150 -16.5 -6,983,460 4.5 0.0 06-30-09
Southpoint Capital Advisors, L.P. 1,490,000 89,470 6.4 549,151 3.6 3.5 06-30-09
Barclays Global Investors, N.A. 1,457,906 -426,358 -22.6 -7,751,898 3.5 0.0 06-30-09
Baron Capital Management, Inc. 1,387,500 1,387,500 100.0 21,547,876 3.4 0.2 06-30-09
Peak 6 Capital Management, LLC 1,008,526 360,942 55.7 5,216,879 2.4 1.0 06-30-09
Artis Capital Management L.P. 924,400 924,400 100.0 14,355,932 2.2 1.4 06-30-09
RiverSource Investments, LLC 880,219 560,415 175.2 8,511,362 2.1 0.0 06-30-09
Susquehanna International Group, LLP 834,685 -91,328 -9.9 2,204,209 2.0 0.1 09-30-09
Royce & Associates, LLC 560,900 6,400 1.2 2,533,698 1.4 0.0 09-30-09
State Street Global Advisors (US) 484,189 -393,531 -44.8 -6,638,169 1.2 0.0 06-30-09
Stratton Management Company 459,000 -60,000 -11.6 1,060,260 1.1 0.5 09-30-09
Charles Schwab Investment Management, Inc. 453,963 259,261 133.2 5,996,523 1.1 0.0 09-30-09
*Category Headings:
Shs Held - shares held at report date
Shs Chg - position change within reporting period
%Chg - % change
$Chg - market value of the position change
%Out - % of shares outstanding
%Port - % Portfolio
Rpt Date - report date
Page generated 11/25/2009 12:18 AM Eastern Time