Columbus Circle Investors’s Prothena Corp PRTA Stock Holding History

Columbus Circle Investors’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 Q1	–	Sell	-89,052	Closed	-$4.38M	–	304
2016 Q4	$4.38M	Sell	89,052 -42,076	-32%	-$2.32M	0.06%	194
2016 Q3	$7.86M	Buy	+131,128	New	+$7.04M	0.08%	183
2016 Q2	–	Sell	-150,562	Closed	-$6.2M	–	284
2016 Q1	$6.2M	Sell	150,562 -68,381	-31%	-$2.68M	0.06%	207
2015 Q4	$14.9M	Buy	218,943 +58,987	+37%	+$3.56M	0.12%	167
2015 Q3	$7.25M	Sell	159,956 -121,459	-43%	-$7.07M	0.06%	208
2015 Q2	$14.8M	Buy	+281,415	New	+$11.1M	0.1%	190

Other funds holding PRTA

WIM

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

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

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

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

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

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

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

PAI

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

Redmile Group San Francisco, California $1.51B AUM 164.17% 1-Year Est. Return

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

Columbus Circle Investors's PRTA Position: Q1 2017 in Review

Columbus Circle Investors sold out of Prothena Corp (PRTA) in Q1 2017, closing a stake of 89,052 shares — an estimated $4.38M sold.

Columbus Circle Investors first reported a position in PRTA in Q2 2015 and held it in 6 quarters. The position peaked at $14.9M in Q4 2015. 146 funds tracked by Wall St. Rank hold PRTA as of Q1 2017.

Columbus Circle Investors reported no remaining Prothena Corp position as of Q1 2017 after selling out during the quarter.
Columbus Circle Investors sold 89,052 Prothena Corp shares in Q1 2017, an estimated $4.38M.
Columbus Circle Investors first reported a position in Prothena Corp in Q2 2015 and held it in 6 quarters.
Columbus Circle Investors's Prothena Corp position peaked at $14.9M in Q4 2015.
146 funds tracked by Wall St. Rank held Prothena Corp as of Q1 2017.

Based on Columbus Circle Investors's 13F filing for Q1 2017, filed 20 Apr 2017.