INTERACTIVE BROKERS GROUP IN

Ticker: IBKR CUSIP: 45841N107 Class: EQTY

PEAK6 LLC's Holding History (CIK: 0001389958)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 592,739 Value ($000) $38,119 Avg Close $66.89 Range $58.88 - $73.26

Q3 2025

Shares 739,573 Value ($000) $50,890 Avg Close $62.79 Range $53.01 - $70.18

Q2 2025

Shares 738,981 Value ($000) $40,947 Avg Close $47.28 Range $32.69 - $55.48

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	592,739	$38,119	$66.89	$58.88 - $73.26
Q3 2025	739,573	$50,890	$62.79	$53.01 - $70.18
Q2 2025	738,981	$40,947	$47.28	$32.69 - $55.48