RS Investment Management’s Interactive Brokers IBKR Stock Holding History

RS Investment 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
2015 Q2	–	Sell	-2,536,536	Closed	-$21.6M	–	366
2015 Q1	$21.6M	Sell	2,536,536 -9,217,160	-78%	-$73.2M	0.19%	179
2014 Q4	$85.7M	Buy	11,753,696 +23,436	+0.2%	+$157K	0.76%	27
2014 Q3	$73.2M	Sell	11,730,260 -183,188	-2%	-$1.09M	0.67%	41
2014 Q2	$69.4M	Sell	11,913,448 -903,024	-7%	-$5.19M	0.58%	53
2014 Q1	$69.4M	Sell	12,816,472 -498,196	-4%	-$2.76M	0.41%	62
2013 Q4	$81M	Sell	13,314,668 -1,456,684	-10%	-$8.14M	0.49%	47
2013 Q3	$69.3M	Buy	14,771,352 +128,412	+0.9%	+$551K	0.45%	57
2013 Q2	$58.5M	Buy	+14,642,940	New	+$56.5M	0.42%	63

Other funds holding IBKR

Kylin Management New York $173M AUM 39.51% 1-Year Est. Return

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

Ancient Art Austin, Texas $489M AUM 53.42% 1-Year Est. Return

ABI

Abrams Bison Investments Bethesda, Maryland $2.05B AUM 71.03% 1-Year Est. Return

BFA

BlackRock Fund Advisors San Francisco, California $542B AUM 18.13% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

AVC

Arlington Value Capital Salt Lake City, Utah $688M AUM 23.52% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

Grantham, Mayo, Van Otterloo & Co (GMO) Boston, Massachusetts $44.4B AUM 36.05% 1-Year Est. Return

BIT

BlackRock Institutional Trust San Francisco, California $675B AUM 16.07% 1-Year Est. Return

RS Investment Management's IBKR Position: Q2 2015 in Review

RS Investment Management sold out of Interactive Brokers (IBKR) in Q2 2015, closing a stake of 2,536,536 shares — an estimated $21.6M sold.

RS Investment Management first reported a position in IBKR in Q2 2013 and held it in 8 quarters. The position peaked at $85.7M in Q4 2014. 191 funds tracked by Wall St. Rank hold IBKR as of Q2 2015.

RS Investment Management reported no remaining Interactive Brokers position as of Q2 2015 after selling out during the quarter.
RS Investment Management sold 2,536,536 Interactive Brokers shares in Q2 2015, an estimated $21.6M.
RS Investment Management first reported a position in Interactive Brokers in Q2 2013 and held it in 8 quarters.
RS Investment Management's Interactive Brokers position peaked at $85.7M in Q4 2014.
191 funds tracked by Wall St. Rank held Interactive Brokers as of Q2 2015.

Based on RS Investment Management's 13F filing for Q2 2015, filed 13 Aug 2015.