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BlackRock Investment Management’s Prothena Corp PRTA Stock Holding History

BlackRock Investment Management’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 		$6.53M Sell
132,680
-3,838
-3% -$212K 0.01% 1400
2016
Q3 		$8.19M Buy
136,518
+1,148
+0.8% +$61.6K 0.01% 1137
2016
Q2 		$4.73M Buy
135,370
+12,307
+10% +$536K 0.01% 1472
2016
Q1 		$5.07M Buy
123,063
+18,116
+17% +$709K 0.01% 1373
2015
Q4 		$7.15M Buy
104,947
+626
+0.6% +$37.8K 0.01% 1144
2015
Q3 		$4.73M Sell
104,321
-1,663
-2% -$96.9K 0.01% 1425
2015
Q2 		$5.58M Buy
105,984
+19,988
+23% +$789K 0.01% 1412
2015
Q1 		$3.28M Buy
85,996
+1,098
+1% +$28.2K ﹤0.01% 1685
2014
Q4 		$1.76M Sell
84,898
-719
-0.8% -$15K ﹤0.01% 2122
2014
Q3 		$1.9M Buy
85,617
+16,335
+24% +$346K ﹤0.01% 2033
2014
Q2 		$1.56M Buy
69,282
+20,730
+43% +$518K ﹤0.01% 2285
2014
Q1 		$1.86M Buy
48,552
+620
+1% +$20K ﹤0.01% 2092
2013
Q4 		$1.27M Buy
47,932
+6,702
+16% +$168K ﹤0.01% 2330
2013
Q3 		$834K Buy
41,230
+2,346
+6% +$41.5K ﹤0.01% 2576
2013
Q2 		$502K Buy
+38,884
New +$362K ﹤0.01% 2855

Other funds holding PRTA

WIM
Woodford Investment Management London, United Kingdom $310M AUM 17.41% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return
Wellington Management Group
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
Capital World Investors Los Angeles, California $733B AUM 35.63% 1-Year Est. Return
State Street
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
AllianceBernstein Nashville, Tennessee $309B AUM 23.92% 1-Year Est. Return

BlackRock Investment Management's PRTA Position: Q4 2016 in Review

BlackRock Investment Management reduced its Prothena Corp (PRTA) stake by 2.8% in Q4 2016, selling an estimated $212K and leaving 132,680 shares worth $6.53M. The position accounts for 0.01% of the portfolio, ranked #1400.

BlackRock Investment Management first reported a position in PRTA in Q2 2013 and has held it in 15 quarters since. The position peaked at $8.19M in Q3 2016. 145 funds tracked by Wall St. Rank hold PRTA as of Q4 2016.

  • BlackRock Investment Management held 132,680 shares of Prothena Corp worth $6.53M as of Q4 2016.
  • BlackRock Investment Management sold 3,838 Prothena Corp shares in Q4 2016, an estimated $212K.
  • Prothena Corp made up 0.01% of BlackRock Investment Management's portfolio in Q4 2016, its #1400 holding.
  • BlackRock Investment Management first reported a position in Prothena Corp in Q2 2013 and has held it in 15 quarters since.
  • BlackRock Investment Management's Prothena Corp position peaked at $8.19M in Q3 2016.
  • 145 funds tracked by Wall St. Rank held Prothena Corp as of Q4 2016.

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