Interactive Brokers Group Inc (NASDAQ:IBKR)

Data as of Dec 19
 +0.88 / +3.12%
Today’s Change
Today|||52-Week Range
Institutional investors hold a majority ownership of IBKR through the 74.69% of the outstanding shares that they control. This interest is also higher than at almost any other company in the Investment Banks/Brokers industry. Last, during the quarter ended September 2014, these large investors purchased a net $379.0 thousand shares.
Other institutional46.54%
Mutual fund holders28.15%
Individual stakeholders11.11%

Largest Quarterly Institutional

Latest Institutional Activity

9/30/2014GRANTHAM, MAYO, VAN OTTERLOO & C...  Bought 865.0 Thousand shares of Interactive Brokers Group...
9/30/2014BOSTON PROVIDENT LP  Bought 425.5 Thousand shares of Interactive Brokers Group...
9/30/2014PUTNAM INVESTMENT MANAGEMENT LLC  Bought 409.3 Thousand shares of Interactive Brokers Group...

Top 10 Owners of Interactive Brokers Group Inc

Total value ($)Shares
bought / sold
Kylin Management LLC7.88%4,607,595125,879,495+405,945+9.66%
BlackRock Fund Advisors6.42%3,752,188102,509,776+147,513+4.09%
The Vanguard Group, Inc.6.02%3,516,59496,073,348+321,916+10.08%
Ancient Art LP5.67%3,313,42690,522,798+134,233+4.22%
RS Investment Management Co. LLC5.02%2,932,56580,117,676-45,797-1.54%
Epoch Investment Partners, Inc.4.46%2,608,11771,253,756-52,860-1.99%
Pyramis Global Advisors LLC3.97%2,319,91663,380,105-1,578,070-40.48%
Dimensional Fund Advisors LP3.60%2,106,27457,543,406+59,718+2.92%
Ruane, Cunniff & Goldfarb, Inc.2.97%1,736,26447,434,73200.00%
Fidelity Management & Research Co...2.34%1,368,66737,391,982-439,500-24.31%

Top 10 Mutual Funds Holding Interactive Brokers Group Inc

Mutual fundStakeShares
Total value ($)Shares
bought / sold
RS Partners Fund2.82%1,646,30544,977,053-14,027-0.84%
iShares Core S&P Small Cap ETF1.99%1,160,90431,715,897+24,363+2.14%
Vanguard Total Stock Market Index...1.66%971,02926,528,512+151,781+18.53%
Vanguard Small Cap Index Fund1.54%900,22724,594,202+3,098+0.35%
Fidelity Advisor Stock Selector M...1.45%847,36723,150,06600.00%
GMO Special Opportunities Fund1.26%735,00020,080,200+735,000--
Vanguard Extended Market Index Fu...0.89%521,39814,244,593+1,296+0.25%
Vanguard Small Cap Value Index Fu...0.88%511,60713,977,103+5,854+1.16%
DFA US Micro Cap Portfolio0.86%503,10513,744,829+40,147+8.67%
iShares S&P Small Cap 600 Value E...0.83%484,82513,245,419+1,810+0.37%

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