BlackRock Group’s Prothena Corp PRTA Stock Holding History

BlackRock Group’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
2016 Q4	$1.04M	Buy	21,161 +1,321	+7%	+$72.9K	﹤0.01%	2109
2016 Q3	$1.19M	Buy	19,840 +935	+5%	+$50.2K	﹤0.01%	1938
2016 Q2	$661K	Sell	18,905 -189	-1%	-$8.23K	﹤0.01%	2156
2016 Q1	$785K	Buy	19,094 +3,577	+23%	+$140K	﹤0.01%	2048
2015 Q4	$1.06M	Buy	15,517 +2,099	+16%	+$127K	﹤0.01%	1864
2015 Q3	$608K	Buy	13,418 +6,320	+89%	+$368K	﹤0.01%	2125
2015 Q2	$374K	Sell	7,098 -1,393	-16%	-$55K	﹤0.01%	2367
2015 Q1	$324K	Buy	8,491 +2,006	+31%	+$51.5K	﹤0.01%	2338
2014 Q4	$135K	Sell	6,485 -9,684	-60%	-$202K	﹤0.01%	2608
2014 Q3	$358K	Sell	16,169 -9,875	-38%	-$209K	﹤0.01%	2289
2014 Q2	$587K	Buy	+26,044	New	+$651K	﹤0.01%	2136
2013 Q4	–	Sell	-2,012	Closed	-$41K	–	2759
2013 Q3	$41K	Buy	2,012 +1,658	+468%	+$29.3K	﹤0.01%	2732
2013 Q2	$5K	Buy	+354	New	+$3.29K	﹤0.01%	2594

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

BFA

BlackRock Fund Advisors San Francisco, California $542B AUM 18.13% 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

BIT

BlackRock Institutional Trust San Francisco, California $675B AUM 16.07% 1-Year Est. Return

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

BlackRock Group's PRTA Position: Q4 2016 in Review

BlackRock Group increased its Prothena Corp (PRTA) stake by 6.7% in Q4 2016, buying an estimated $72.9K and bringing the position to 21,161 shares worth $1.04M. The position accounts for ﹤0.01% of the portfolio, ranked #2109.

BlackRock Group first reported a position in PRTA in Q2 2013 and has held it in 13 quarters since. The position peaked at $1.19M in Q3 2016. 145 funds tracked by Wall St. Rank hold PRTA as of Q4 2016.

BlackRock Group held 21,161 shares of Prothena Corp worth $1.04M as of Q4 2016.
BlackRock Group bought 1,321 Prothena Corp shares in Q4 2016, an estimated $72.9K.
Prothena Corp made up ﹤0.01% of BlackRock Group's portfolio in Q4 2016, its #2109 holding.
BlackRock Group first reported a position in Prothena Corp in Q2 2013 and has held it in 13 quarters since.
BlackRock Group's Prothena Corp position peaked at $1.19M in Q3 2016.
145 funds tracked by Wall St. Rank held Prothena Corp as of Q4 2016.

Based on BlackRock Group's 13F filing for Q4 2016, filed 10 Feb 2017.