Cat Rock Capital Management’s Interactive Brokers IBKR Stock Holding History

Cat Rock Capital Management’s Portfolio IBKR Stock Details IBKR Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2020 Q3	–	Sell	-1,256,584	Closed	-$13.1M	–	13
2020 Q2	$13.1M	Sell	1,256,584 -3,807,976	-75%	-$39.8M	1.39%	9
2020 Q1	$54.7M	Buy	5,064,560 +97,636	+2%	+$1.18M	6.56%	7
2019 Q4	$57.9M	Buy	4,966,924 +852,000	+21%	+$10M	8.16%	5
2019 Q3	$55.3M	Buy	4,114,924 +1,690,068	+70%	+$21M	8.71%	5
2019 Q2	$32.9M	Buy	2,424,856 +2,060,340	+565%	+$27.9M	5.84%	4
2019 Q1	$4.73M	Buy	+364,516	New	+$4.79M	1.28%	6

Other funds holding IBKR

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

Kayne Anderson Rudnick Investment Management Los Angeles, California $34B AUM 6.31% 1-Year Est. Return

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

BCM

Bares Capital Management Austin, Texas $1.08B AUM 38.13% 1-Year Est. Return

Baillie Gifford & Co Edinburgh, United Kingdom $97.9B AUM 20.73% 1-Year Est. Return

CCM

Cantillon Capital Management New York $665M AUM 25.91% 1-Year Est. Return

Select Equity Group New York $19.5B AUM 17.33% 1-Year Est. Return

Ancient Art Austin, Texas $459M AUM 52.34% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Thunderbird Partners London, United Kingdom $113M AUM 8.51% 1-Year Est. Return

Cat Rock Capital Management's IBKR Position: Q3 2020 in Review

Cat Rock Capital Management sold out of Interactive Brokers (IBKR) in Q3 2020, closing a stake of 1,256,584 shares — an estimated $13.1M sold.

Cat Rock Capital Management first reported a position in IBKR in Q1 2019 and held it in 6 quarters. The position peaked at $57.9M in Q4 2019. 266 funds tracked by Wall St. Rank hold IBKR as of Q3 2020.

Cat Rock Capital Management reported no remaining Interactive Brokers position as of Q3 2020 after selling out during the quarter.
Cat Rock Capital Management sold 1,256,584 Interactive Brokers shares in Q3 2020, an estimated $13.1M.
Cat Rock Capital Management first reported a position in Interactive Brokers in Q1 2019 and held it in 6 quarters.
Cat Rock Capital Management's Interactive Brokers position peaked at $57.9M in Q4 2019.
266 funds tracked by Wall St. Rank held Interactive Brokers as of Q3 2020.

Based on Cat Rock Capital Management's 13F filing for Q3 2020, filed 16 Nov 2020.