INTERACTIVE BROKERS GROUP IN

Ticker: IBKR CUSIP: 45841N107 Class: EQTY

Caledonia (Private) Investments Pty Ltd's Holding History (CIK: 0001352924)

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

Q3 2020

Shares 995,708 Value ($000) $48,123 Avg Close $12.09 Range $9.98 - $13.03

Q2 2020

Shares 1,030,277 Value ($000) $43,035 Avg Close $10.11 Range $8.76 - $11.44

Q1 2020

Shares 1,030,490 Value ($000) $44,486 Avg Close $11.67 Range $8.14 - $14.11

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2020	995,708	$48,123	$12.09	$9.98 - $13.03
Q2 2020	1,030,277	$43,035	$10.11	$8.76 - $11.44
Q1 2020	1,030,490	$44,486	$11.67	$8.14 - $14.11