Cornerstone Capital Management Holdings’s Magnite MGNI Stock Holding History

Cornerstone Capital Management Holdings’s Portfolio MGNI Stock Details MGNI Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2017 Q4	–	Sell	-97,916	Closed	-$380K	–	1286
2017 Q3	$380K	Sell	97,916 -176,935	-64%	-$753K	﹤0.01%	1093
2017 Q2	$1.41M	Sell	274,851 -162,700	-37%	-$894K	0.01%	826
2017 Q1	$2.58M	Buy	437,551 +51,451	+13%	+$401K	0.02%	648
2016 Q4	$2.86M	Buy	386,100 +137,300	+55%	+$1.07M	0.02%	643
2016 Q3	$2.06M	Sell	248,800 -26,400	-10%	-$281K	0.02%	759
2016 Q2	$3.76M	Buy	275,200 +182,900	+198%	+$2.94M	0.03%	529
2016 Q1	$1.69M	Buy	92,300 +64,400	+231%	+$986K	0.01%	789
2015 Q4	$459K	Sell	27,900 -177,000	-86%	-$2.74M	﹤0.01%	1048
2015 Q3	$2.98M	Sell	204,900 -24,200	-11%	-$369K	0.03%	583
2015 Q2	$3.43M	Buy	+229,100	New	+$3.95M	0.03%	553

Other funds holding MGNI

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Sessa Capital New York $5.51B AUM 47.23% 1-Year Est. Return

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

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

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

D.E. Shaw & Co New York $166B AUM 43.98% 1-Year Est. Return

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

RAM

Roumell Asset Management Chevy Chase, Maryland $53.3M AUM 8.91% 1-Year Est. Return

MCM

Matarin Capital Management New York $409M AUM 33.03% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Cornerstone Capital Management Holdings's MGNI Position: Q4 2017 in Review

Cornerstone Capital Management Holdings sold out of Magnite (MGNI) in Q4 2017, closing a stake of 97,916 shares — an estimated $380K sold.

Cornerstone Capital Management Holdings first reported a position in MGNI in Q2 2015 and held it in 10 quarters. The position peaked at $3.76M in Q2 2016. 103 funds tracked by Wall St. Rank hold MGNI as of Q4 2017.

Cornerstone Capital Management Holdings reported no remaining Magnite position as of Q4 2017 after selling out during the quarter.
Cornerstone Capital Management Holdings sold 97,916 Magnite shares in Q4 2017, an estimated $380K.
Cornerstone Capital Management Holdings first reported a position in Magnite in Q2 2015 and held it in 10 quarters.
Cornerstone Capital Management Holdings's Magnite position peaked at $3.76M in Q2 2016.
103 funds tracked by Wall St. Rank held Magnite as of Q4 2017.

Based on Cornerstone Capital Management Holdings's 13F filing for Q4 2017, filed 14 Feb 2018.