William Blair & Company
RPXC

William Blair & Company’s RPX Corporation RPXC Stock Holding History

William Blair & Company’s Portfolio RPXC Stock Details RPXC Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2016
Q4 		– Sell
-26,905
Closed -$288K – 1492
2016
Q3 		$288K Sell
26,905
-104,235
-79% -$1.08M ﹤0.01% 1033
2016
Q2 		$1.2M Sell
131,140
-5,635
-4% -$56.8K 0.01% 587
2016
Q1 		$1.54M Sell
136,775
-39,150
-22% -$416K 0.01% 510
2015
Q4 		$1.94M Sell
175,925
-317,991
-64% -$4.31M 0.02% 483
2015
Q3 		$6.78M Sell
493,916
-2,074,895
-81% -$30.7M 0.06% 272
2015
Q2 		$43.4M Buy
2,568,811
+120,725
+5% +$1.89M 0.06% 386
2015
Q1 		$35.2M Buy
2,448,086
+74,149
+3% +$1.02M 0.05% 419
2014
Q4 		$32.7M Buy
2,373,937
+455,639
+24% +$6.32M 0.05% 439
2014
Q3 		$26.3M Sell
1,918,298
-431,953
-18% -$6.73M 0.05% 469
2014
Q2 		$41.7M Sell
2,350,251
-31,525
-1% -$524K 0.07% 358
2014
Q1 		$38.8M Buy
2,381,776
+918,139
+63% +$15M 0.06% 378
2013
Q4 		$24.7M Buy
+1,463,637
New +$24.9M 0.04% 493

Other funds holding RPXC

Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
MP
Mangrove Partners Greenwich, Connecticut $1.24B AUM 41.74% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return
BIT
BlackRock Institutional Trust San Francisco, California $675B AUM 16.07% 1-Year Est. Return
Boston Partners
Boston Partners Boston, Massachusetts $113B AUM 38.87% 1-Year Est. Return
BFA
BlackRock Fund Advisors San Francisco, California $542B AUM 18.13% 1-Year Est. Return
D.E. Shaw & Co
D.E. Shaw & Co New York $166B AUM 43.98% 1-Year Est. Return
Acadian Asset Management
Acadian Asset Management Boston, Massachusetts $70.5B AUM 36% 1-Year Est. Return
FMI
Fiduciary Management Inc Milwaukee, Wisconsin $8.06B AUM 6.78% 1-Year Est. Return

William Blair & Company's RPXC Position: Q4 2016 in Review

William Blair & Company sold out of RPX Corporation (RPXC) in Q4 2016, closing a stake of 26,905 shares — an estimated $288K sold.

William Blair & Company first reported a position in RPXC in Q4 2013 and held it in 12 quarters. The position peaked at $43.4M in Q2 2015. 148 funds tracked by Wall St. Rank hold RPXC as of Q4 2016.

  • William Blair & Company reported no remaining RPX Corporation position as of Q4 2016 after selling out during the quarter.
  • William Blair & Company sold 26,905 RPX Corporation shares in Q4 2016, an estimated $288K.
  • William Blair & Company first reported a position in RPX Corporation in Q4 2013 and held it in 12 quarters.
  • William Blair & Company's RPX Corporation position peaked at $43.4M in Q2 2015.
  • 148 funds tracked by Wall St. Rank held RPX Corporation as of Q4 2016.

Based on William Blair & Company's 13F filing for Q4 2016, filed 14 Feb 2017.