Mainstream Capital Management »

Interactive Brokers shares owned by Mainstream Capital Management

Quarter-by-quarter ownership of Interactive Brokers (IBKR) shares owned by Mainstream Capital Management from 13F filings

Historical chart of Mainstream Capital Management investment in Interactive Brokers

Tip: Access up to 7 years of quarterly data

All positions including Interactive Brokers held by Mainstream Capital Management consolidated in one spreadsheet with up to 7 years of data

Download as csvDownload consolidated filings csv Download as ExcelDownload consolidated filings xlsx

Quarterly reported holdings in Interactive Brokers by Mainstream Capital Management

Quarter filed Position value Share count Share price at filing
2025-09-30 $1.3M 19k 68.81
2025-06-30 $1.0M 18k 55.41
2025-03-31 $712k 4.3k 165.59

More positions owned by Mainstream Capital Management

Jpmorgan Ultra-short Income Etf Etf (JPST)
Apple Stock (AAPL)
Amazon Stock (AMZN)
Meta Platforms Inc Cl A Stock (META)
Nvidia Corporation Stock (NVDA)
Alphabet Inc Cap Stk Cl C Stock (GOOG)
Ishares Russell 1000 Growth Etf Etf (IWF)
Ishares Russell 1000 Value Etf Etf (IWD)
Ishares Core S&p 500 Etf Etf (IVV)
Jpmorgan Chase & Co Stock (JPM)
Microsoft Corp Stock (MSFT)
Netflix Stock (NFLX)
Berkshire Hathaway Inc Del Cl B Stock (BRK.B)
Tesla Stock (TSLA)
Alphabet Inc Cap Stk Cl A Stock (GOOGL)

View all positions for Mainstream Capital Management

Top funds holding Interactive Brokers

Vanguard Group
BlackRock
State Street Corporation
Cantillon Capital Mgnt
Kayne Anderson Rudnick Investment Management
Wellington Management Company
Greenwich Wealth Management
Geode Capital Management
Orbis Allan Gray
Jpmorgan Chase & Co
Egerton Capital
FMR
American Century Companies
Invesco
J O Hambro Investment Management

View all funds holding Interactive Brokers