Portolan Capital Management’s Builders FirstSource BLDR Stock Holding History

Portolan Capital Management’s Portfolio BLDR Stock Details BLDR Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2015 Q4	–	Sell	-78,478	Closed	-$995K	–	125
2015 Q3	$995K	Sell	78,478 -432,962	-85%	-$6.15M	0.13%	107
2015 Q2	$6.57M	Buy	+511,440	New	+$6.24M	0.92%	37
2014 Q3	–	Sell	-290,432	Closed	-$2.17M	–	107
2014 Q2	$2.17M	Sell	290,432 -88,038	-23%	-$685K	0.47%	81
2014 Q1	$3.44M	Sell	378,470 -81,582	-18%	-$662K	0.79%	48
2013 Q4	$3.28M	Sell	460,052 -283,812	-38%	-$1.93M	0.73%	57
2013 Q3	$4.37M	Buy	743,864 +21,952	+3%	+$131K	1.15%	30
2013 Q2	$4.32M	Buy	+721,912	New	+$4.52M	1.23%	24

Other funds holding BLDR

Warburg Pincus New York $343M AUM 18.86% 1-Year Est. Return

SCM

Stadium Capital Management New Canaan, Connecticut $40.6M AUM 5.83% 1-Year Est. Return

BAMCO Inc New York $33.1B AUM 11.16% 1-Year Est. Return

Lord, Abbett & Co Jersey City, New Jersey $30.6B AUM 57.44% 1-Year Est. Return

RCM

Roystone Capital Management New York $590M AUM 11.49% 1-Year Est. Return

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

BFA

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

RCM

Raging Capital Management Rocky Hill, New Jersey $18.2M AUM 17.75% 1-Year Est. Return

Westfield Capital Management Boston, Massachusetts $23.8B AUM 49.45% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

Portolan Capital Management's BLDR Position: Q4 2015 in Review

Portolan Capital Management sold out of Builders FirstSource (BLDR) in Q4 2015, closing a stake of 78,478 shares — an estimated $995K sold.

Portolan Capital Management first reported a position in BLDR in Q2 2013 and held it in 7 quarters. The position peaked at $6.57M in Q2 2015. 173 funds tracked by Wall St. Rank hold BLDR as of Q4 2015.

Portolan Capital Management reported no remaining Builders FirstSource position as of Q4 2015 after selling out during the quarter.
Portolan Capital Management sold 78,478 Builders FirstSource shares in Q4 2015, an estimated $995K.
Portolan Capital Management first reported a position in Builders FirstSource in Q2 2013 and held it in 7 quarters.
Portolan Capital Management's Builders FirstSource position peaked at $6.57M in Q2 2015.
173 funds tracked by Wall St. Rank held Builders FirstSource as of Q4 2015.

Based on Portolan Capital Management's 13F filing for Q4 2015, filed 12 Feb 2016.