INTERACTIVE BROKERS GROUP IN

Ticker: IBKR CUSIP: 45841N107 Class: EQTY

CAT ROCK CAPITAL MANAGEMENT LP's Holding History (CIK: 0001654648)

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

Q2 2020

Shares 314,146 Value ($000) $13,122 Avg Close $10.11 Range $8.76 - $11.44

Q1 2020

Shares 1,266,140 Value ($000) $54,659 Avg Close $11.67 Range $8.14 - $14.11

Q4 2019

Shares 1,241,731 Value ($000) $57,889 Avg Close $11.31 Range $10.72 - $12.50

Q3 2019

Shares 1,028,731 Value ($000) $55,325 Avg Close $11.96 Range $10.69 - $13.30

Q2 2019

Shares 606,214 Value ($000) $32,857 Avg Close $13.01 Range $11.86 - $14.22

Q1 2019

Shares 91,129 Value ($000) $4,728 Avg Close $12.59 Range $11.61 - $13.91

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2020	314,146	$13,122	$10.11	$8.76 - $11.44
Q1 2020	1,266,140	$54,659	$11.67	$8.14 - $14.11
Q4 2019	1,241,731	$57,889	$11.31	$10.72 - $12.50
Q3 2019	1,028,731	$55,325	$11.96	$10.69 - $13.30
Q2 2019	606,214	$32,857	$13.01	$11.86 - $14.22
Q1 2019	91,129	$4,728	$12.59	$11.61 - $13.91