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INTERACTIVE BROKERS GROUP IN

IBKR

Holders

3

Combined Value

$167.77M

Combined Shares

2,501,373

Current Price

$90.81

52W High

$93.10

vs 52W High

−2.5%

Investor Activity Chart

Quarterly buys (▲) and sells (▼) by tracked investors. Click a marker to view that investor's portfolio; hover for details. Price line is implied from 13F filings (value ÷ shares), not market data.

$31.16$87.75$144.33$200.92Q2'24Q3'24Q4'24Q1'25Q2'25Q3'25Q4'25Q1'26Q2 2024 · implied price $122.60Q3 2024 · implied price $139.36Q4 2024 · implied price $176.67Q1 2025 · implied price $165.59Q2 2025 · implied price $55.41Q3 2025 · implied price $68.81Q4 2025 · implied price $64.31Q1 2026 · implied price $67.07George Soros - Soros Fund Management · bought 242,551 shares @ ~$122.60 · Q2 2024 (new position)Jim Simons - Renaissance Technologies · bought 161,600 shares @ ~$122.60 · Q2 2024 (new position)Jim Simons - Renaissance Technologies · bought 217,400 shares @ ~$139.36 · Q3 2024George Soros - Soros Fund Management · sold 74,138 shares @ ~$139.36 · Q3 2024Jim Simons - Renaissance Technologies · bought 225,910 shares @ ~$176.67 · Q4 2024George Soros - Soros Fund Management · bought 54,262 shares @ ~$176.67 · Q4 2024Jim Simons - Renaissance Technologies · bought 104,400 shares @ ~$165.59 · Q1 2025George Soros - Soros Fund Management · sold 24,518 shares @ ~$165.59 · Q1 2025George Soros - Soros Fund Management · bought 2,035,570 shares @ ~$55.41 · Q2 2025Jim Simons - Renaissance Technologies · bought 1,269,630 shares @ ~$55.41 · Q2 2025Jim Simons - Renaissance Technologies · sold 1,015,300 shares @ ~$68.81 · Q3 2025George Soros - Soros Fund Management · sold 649,670 shares @ ~$68.81 · Q3 2025George Soros - Soros Fund Management · sold 812,577 shares @ ~$64.31 · Q4 2025Jim Simons - Renaissance Technologies · sold 347,245 shares @ ~$64.31 · Q4 2025Andreas Halvorsen - Viking Global Investors · bought 1,394,329 shares @ ~$67.07 · Q1 2026 (new position)Jim Simons - Renaissance Technologies · sold 154,695 shares @ ~$67.07 · Q1 2026George Soros - Soros Fund Management · sold 126,136 shares @ ~$67.07 · Q1 2026BUYSELLIMPLIED PRICE

Held By

Tracked investors currently holding this security, based on each investor's most recent 13F filing. Gain compares the current market price to each investor's estimated average buy price.

InvestorValue% of PortfolioAvg Buy PriceGainLast ActivityAs of
Andreas Halvorsen - Viking Global Investors$93.52M0.26%~$67.07+35.4%BUY Q1 2026Q1 2026
George Soros - Soros Fund Management$43.28M0.47%~$62.54+45.2%SELL Q1 2026Q1 2026
Jim Simons - Renaissance Technologies$30.97M0.05%~$89.77+1.2%SELL Q1 2026Q1 2026

Recent Activity

Latest position changes by tracked investors. Prices are estimates implied from 13F filings.

QuarterInvestorActionEst. ValueEst. Price
Q1 2026Andreas Halvorsen - Viking Global InvestorsNEW BUY+$93.52M~$67.07
Q1 2026Jim Simons - Renaissance TechnologiesSELL−$10.38M~$67.07
Q1 2026George Soros - Soros Fund ManagementSELL−$8.46M~$67.07
Q4 2025George Soros - Soros Fund ManagementSELL−$52.26M~$64.31
Q4 2025Jim Simons - Renaissance TechnologiesSELL−$22.33M~$64.31
Q3 2025Jim Simons - Renaissance TechnologiesSELL−$69.86M~$68.81
Q3 2025George Soros - Soros Fund ManagementSELL−$44.70M~$68.81
Q2 2025George Soros - Soros Fund ManagementBUY+$112.79M~$55.41
Q2 2025Jim Simons - Renaissance TechnologiesBUY+$70.35M~$55.41
Q1 2025Jim Simons - Renaissance TechnologiesBUY+$17.29M~$165.59
Q1 2025George Soros - Soros Fund ManagementSELL−$4.06M~$165.59
Q4 2024Jim Simons - Renaissance TechnologiesBUY+$39.91M~$176.67
Q4 2024George Soros - Soros Fund ManagementBUY+$9.59M~$176.67
Q3 2024Jim Simons - Renaissance TechnologiesBUY+$30.30M~$139.36
Q3 2024George Soros - Soros Fund ManagementSELL−$10.33M~$139.36
Q2 2024George Soros - Soros Fund ManagementNEW BUY+$29.74M~$122.60
Q2 2024Jim Simons - Renaissance TechnologiesNEW BUY+$19.81M~$122.60

Ownership History

Aggregate position across all tracked investors per quarter (options excluded). Implied price is the reported value divided by shares held.

PeriodHoldersTotal SharesΔ SharesTotal ValueImplied Price
Q1 202632,501,373+80.2%$167.77M$67.07
Q4 202521,387,875-45.5%$89.25M$64.31
Q3 202522,547,697-39.5%$175.31M$68.81
Q2 202524,212,667+364.2%$233.42M$55.41
Q1 20252907,467+9.7%$150.27M$165.59
Q4 20242827,585+51.2%$146.21M$176.67
Q3 20242547,413+35.4%$76.29M$139.36
Q2 20242404,151—$49.55M$122.60