PEAK6 Group’s Accuray ARAY Stock Holding History

PEAK6 Group’s Portfolio ARAY Stock Details ARAY Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2016 Q2	–	Sell	-20,000	Closed	-$116K	–	4257
2016 Q1	$116K	Sell	20,000 -139,300	-87%	-$771K	﹤0.01%	3501
2015 Q4	$1.07M	Buy	+159,300	New	+$1.02M	0.01%	1870
2015 Q3	–	Sell	-49,300	Closed	-$332K	–	5091
2015 Q2	$332K	Sell	49,300 -124,300	-72%	-$926K	﹤0.01%	3202
2015 Q1	$1.61M	Buy	173,600 +106,100	+157%	+$845K	0.01%	1460
2014 Q4	$510K	Buy	67,500 +17,400	+35%	+$123K	﹤0.01%	2567
2014 Q3	$364K	Sell	50,100 -35,300	-41%	-$286K	﹤0.01%	2770
2014 Q2	$752K	Buy	85,400 +50,200	+143%	+$435K	0.01%	1909
2014 Q1	$338K	Buy	35,200 +34,200	+3,420%	+$323K	﹤0.01%	2914
2013 Q4	$9K	Hold	1,000	–	–	﹤0.01%	4703
2013 Q3	$4K	Buy	+1,000	New	+$6.32K	﹤0.01%	4987

Other funds holding ARAY

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

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

Primecap Management Pasadena, California $127B AUM 44.11% 1-Year Est. Return

PHS

PFM Health Sciences San Francisco, California $1.1B AUM 57.92% 1-Year Est. Return

Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return

Neuberger Berman Group New York $131B AUM 28.36% 1-Year Est. Return

Russell Investments Group London, United Kingdom $93.1B AUM 28.26% 1-Year Est. Return

Heartland Advisors Milwaukee, Wisconsin $1.96B AUM 28.26% 1-Year Est. Return

Boston Partners Boston, Massachusetts $95.5B AUM 28.4% 1-Year Est. Return

VIA

Vident Investment Advisory Alpharetta, Georgia $2.9B AUM 24.67% 1-Year Est. Return

PEAK6 Group's ARAY Position: Q2 2018 in Review

PEAK6 Group increased its Accuray (ARAY) stake by 470% in Q2 2018, buying an estimated $218K and bringing the position to 57,134 shares worth $234K. The position accounts for ﹤0.01% of the portfolio, ranked #3231.

PEAK6 Group first reported a position in ARAY in Q2 2013 and has held it in 10 quarters since. The position peaked at $1.59M in Q4 2013. 122 funds tracked by Wall St. Rank hold ARAY as of Q2 2018.

PEAK6 Group held 57,134 shares of Accuray worth $234K as of Q2 2018.
PEAK6 Group bought 47,110 Accuray shares in Q2 2018, an estimated $218K.
Accuray made up ﹤0.01% of PEAK6 Group's portfolio in Q2 2018, its #3231 holding.
PEAK6 Group first reported a position in Accuray in Q2 2013 and has held it in 10 quarters since.
PEAK6 Group's Accuray position peaked at $1.59M in Q4 2013.
122 funds tracked by Wall St. Rank held Accuray as of Q2 2018.

Based on PEAK6 Group's 13F filing for Q2 2018, filed 15 Aug 2018.