Interactive Brokers Group Inc: Ownership

Ownership Information
Shares Outstanding 41.00 Mil
Institutional Ownership (%)75.80
Top 10 Institutions (%)48.80
Mutual Fund Ownership (%)1.15
5%/Insider Ownership (%).99
Float (%)99.01
Ownership Activity
Description# of HoldersShares
Total Positions 13531,078,702
New Positions200
Soldout Positions1080
Net Position Change-87-12,496,627
Buyers734,584,051
Sellers160-17,080,678
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Institution Name Shs Held Shs Chg %Chg $Chg* %Out %Port Rpt Date
Pyramis Global Advisors, LLC 5,310,193 1,081,174 25.6 39,836,872 12.9 0.3 09-30-09
T. Rowe Price Associates, Inc. 5,118,900 47,200 0.9 22,949,042 12.4 0.1 09-30-09
Baron Capital Management, Inc. 1,992,300 604,800 43.6 18,039,126 4.8 0.3 09-30-09
Vanguard Group, Inc. 1,589,994 -351,642 -18.1 1,439,574 3.9 0.0 09-30-09
Technology Crossover Ventures 1,500,000 0 0.0 -3,225,000 3.6 3.9 12-31-09
BlackRock Institutional Trust Company, N.A. 1,369,945 -87,961 -6.0 4,579,527 3.3 0.0 09-30-09
Susquehanna International Group, LLP 834,685 -91,328 -9.9 2,204,209 2.0 0.1 09-30-09
Fidelity Management & Research 805,011 -1,044,522 -56.5 -12,727,678 2.0 0.0 09-30-09
Southpoint Capital Advisors, L.P. 800,000 -690,000 -46.3 -7,243,700 1.9 2.2 09-30-09
Renaissance Technologies Corp. 695,800 256,800 58.5 7,007,876 1.7 0.1 09-30-09
Royce & Associates, LLC 560,900 6,400 1.2 2,533,698 1.4 0.1 09-30-09
State Street Global Advisors (US) 510,275 26,086 5.4 2,619,709 1.2 0.0 09-30-09
Stratton Management Company 459,000 -60,000 -11.6 1,060,260 1.1 0.5 09-30-09
Ohio Public Employees Retirement System 455,049 31,555 7.5 -351,358 1.1 0.0 12-31-09
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 2/9/2010 10:59 PM Eastern Time