Boston Partners’s Alphatec Holdings ATEC Stock Holding History

Boston Partners’s Portfolio ATEC Stock Details ATEC Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2015 Q4	–	Sell	-65,100	Closed	-$258K	–	733
2015 Q3	$258K	Sell	65,100 -48,607	-43%	-$493K	﹤0.01%	691
2015 Q2	$1.88M	Hold	113,707	–	–	﹤0.01%	622
2015 Q1	$1.98M	Sell	113,707 -8,792	-7%	-$147K	﹤0.01%	621
2014 Q4	$2.07M	Hold	122,499	–	–	﹤0.01%	629
2014 Q3	$2.5M	Hold	122,499	–	–	﹤0.01%	611
2014 Q2	$2.4M	Buy	122,499 +33,243	+37%	+$558K	﹤0.01%	614
2014 Q1	$1.61M	Buy	+89,256	New	+$1.96M	﹤0.01%	640

Other funds holding ATEC

Deerfield Management New York $8.48B AUM 99.04% 1-Year Est. Return

GCP

Glen Capital Partners Waltham, Massachusetts $68.9M AUM 21.81% 1-Year Est. Return

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

BIT

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

Chubb Corp Warren, New Jersey $1.24B AUM 0.48% 1-Year Est. Return

StepStone Group La Jolla, California $207M AUM 12.33% 1-Year Est. Return

Ameriprise Minneapolis, Minnesota $432B AUM 30.22% 1-Year Est. Return

SBH

Segall Bryant & Hamill Chicago, Illinois $6.98B AUM 34.78% 1-Year Est. Return

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

KCM

Kennedy Capital Management St Louis, Missouri $4.72B AUM 36.69% 1-Year Est. Return

Boston Partners's ATEC Position: Q4 2015 in Review

Boston Partners sold out of Alphatec Holdings (ATEC) in Q4 2015, closing a stake of 65,100 shares — an estimated $258K sold.

Boston Partners first reported a position in ATEC in Q1 2014 and held it in 7 quarters. The position peaked at $2.5M in Q3 2014. 48 funds tracked by Wall St. Rank hold ATEC as of Q4 2015.

Boston Partners reported no remaining Alphatec Holdings position as of Q4 2015 after selling out during the quarter.
Boston Partners sold 65,100 Alphatec Holdings shares in Q4 2015, an estimated $258K.
Boston Partners first reported a position in Alphatec Holdings in Q1 2014 and held it in 7 quarters.
Boston Partners's Alphatec Holdings position peaked at $2.5M in Q3 2014.
48 funds tracked by Wall St. Rank held Alphatec Holdings as of Q4 2015.

Based on Boston Partners's 13F filing for Q4 2015, filed 8 Feb 2016.