Cornerstone Capital Management Holdings’s Prothena Corp PRTA Stock Holding History

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

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2017 Q4	$700K	Buy	18,718 +700	+4%	+$35.6K	﹤0.01%	963
2017 Q3	$1.17M	Hold	18,018	–	–	0.01%	899
2017 Q2	$974K	Buy	18,018 +402	+2%	+$21.4K	0.01%	915
2017 Q1	$982K	Buy	17,616 +12,070	+218%	+$634K	0.01%	932
2016 Q4	$272K	Sell	5,546 -1,000	-15%	-$55.2K	﹤0.01%	1164
2016 Q3	$392K	Buy	6,546 +3,885	+146%	+$208K	﹤0.01%	1109
2016 Q2	$93K	Buy	2,661 +800	+43%	+$34.8K	﹤0.01%	1279
2016 Q1	$77K	Sell	1,861 -1,300	-41%	-$50.9K	﹤0.01%	1349
2015 Q4	$215K	Buy	3,161 +561	+22%	+$33.8K	﹤0.01%	1196
2015 Q3	$118K	Buy	+2,600	New	+$151K	﹤0.01%	1313
2014 Q2	–	Sell	-15,100	Closed	-$578K	–	1376
2014 Q1	$578K	Buy	+15,100	New	+$487K	0.01%	965

Other funds holding PRTA

WIM

Woodford Investment Management London, United Kingdom $310M AUM 17.41% 1-Year Est. Return

T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return

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

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

Capital World Investors Los Angeles, California $733B AUM 35.63% 1-Year Est. Return

PAI

Palo Alto Investors Palo Alto, California $654M AUM 77.8% 1-Year Est. Return

AllianceBernstein Nashville, Tennessee $309B AUM 23.92% 1-Year Est. Return

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

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

Cornerstone Capital Management Holdings increased its Prothena Corp (PRTA) stake by 3.9% in Q4 2017, buying an estimated $35.6K and bringing the position to 18,718 shares worth $700K. The position accounts for ﹤0.01% of the portfolio, ranked #963.

Cornerstone Capital Management Holdings first reported a position in PRTA in Q1 2014 and has held it in 11 quarters since. The position peaked at $1.17M in Q3 2017. 155 funds tracked by Wall St. Rank hold PRTA as of Q4 2017.

Cornerstone Capital Management Holdings held 18,718 shares of Prothena Corp worth $700K as of Q4 2017.
Cornerstone Capital Management Holdings bought 700 Prothena Corp shares in Q4 2017, an estimated $35.6K.
Prothena Corp made up ﹤0.01% of Cornerstone Capital Management Holdings's portfolio in Q4 2017, its #963 holding.
Cornerstone Capital Management Holdings first reported a position in Prothena Corp in Q1 2014 and has held it in 11 quarters since.
Cornerstone Capital Management Holdings's Prothena Corp position peaked at $1.17M in Q3 2017.
155 funds tracked by Wall St. Rank held Prothena Corp as of Q4 2017.

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