IBKR - Interactive Brokers Group, Inc.

NasdaqGS - NasdaqGS Real Time Price. Currency in USD

Major Holders

Currency in USD
Breakdown
6.44%% of Shares Held by All Insider
86.52%% of Shares Held by Institutions
92.48%% of Float Held by Institutions
318Number of Institutions Holding Shares

Top Institutional Holders

HolderSharesDate Reported% OutValue
Bares Capital Management Inc7,438,214Sep 29, 20199.69%400,027,148
Baillie Gifford and Company7,416,727Sep 29, 20199.66%398,871,578
Blackrock Inc.6,664,429Sep 29, 20198.68%358,412,991
Kayne Anderson Rudnick Investment Management LLC5,870,261Sep 29, 20197.65%315,702,636
Vanguard Group, Inc. (The)4,459,481Sep 29, 20195.81%239,830,888
Cantillon Capital Management LLC2,555,209Sep 29, 20193.33%137,419,140
Echinus Advisors LLC2,411,525Sep 29, 20193.14%129,691,814
Select Equity Group, Inc.1,917,544Sep 29, 20192.50%103,125,516
State Street Corporation1,795,731Sep 29, 20192.34%96,574,413
Ancient Art, L.P.1,619,273Sep 29, 20192.11%87,084,501

Top Mutual Fund Holders

HolderSharesDate Reported% OutValue
Virtus Equity Tr-Virtus KAR Small Cap Growth Fd3,753,516Jun 29, 20194.89%203,440,567
iShares Core S&P Midcap ETF2,188,211Aug 30, 20192.85%103,283,559
Vanguard Total Stock Market Index Fund1,969,961Jun 29, 20192.57%106,771,886
Vanguard Extended Market Index Fund1,028,190Jun 29, 20191.34%55,727,898
Vanguard U.S. Growth Fund993,273May 30, 20191.29%50,458,268
SPDR S&P Mid Cap 400 ETF Trust845,651Jul 30, 20191.10%43,348,070
Vanguard Growth Index Fund509,868Jun 29, 20190.66%27,634,845
IShares S&P Mid Cap 400 Growth ETF440,608Aug 30, 20190.57%20,796,697
Fidelity Extended Market Index Fund369,440Aug 30, 20190.48%17,437,568
DFA U.S. Small Cap Series368,463Apr 29, 20190.48%19,985,433