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BlackRock Advisors’s Prothena Corp PRTA Stock Holding History

BlackRock Advisors’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 		$4.05M Sell
82,435
-55,986
-40% -$3.09M ﹤0.01% 1222
2016
Q3 		$8.3M Buy
138,421
+8,691
+7% +$466K 0.01% 938
2016
Q2 		$4.54M Sell
129,730
-219
-0.2% -$9.54K ﹤0.01% 1142
2016
Q1 		$5.35M Buy
129,949
+94,060
+262% +$3.68M 0.01% 1070
2015
Q4 		$2.44M Sell
35,889
-1,971
-5% -$119K ﹤0.01% 1337
2015
Q3 		$1.72M Sell
37,860
-466
-1% -$27.1K ﹤0.01% 1409
2015
Q2 		$2.02M Sell
38,326
-40,833
-52% -$1.61M ﹤0.01% 1266
2015
Q1 		$3.02M Sell
79,159
-2,424
-3% -$62.2K ﹤0.01% 1093
2014
Q4 		$1.69M Buy
81,583
+20,032
+33% +$418K ﹤0.01% 1259
2014
Q3 		$1.36M Buy
61,551
+43,546
+242% +$923K ﹤0.01% 1293
2014
Q2 		$406K Buy
18,005
+10,559
+142% +$264K ﹤0.01% 2159
2014
Q1 		$285K Buy
7,446
+329
+5% +$10.6K ﹤0.01% 2439
2013
Q4 		$189K Buy
7,117
+1,453
+26% +$36.4K ﹤0.01% 2683
2013
Q3 		$115K Buy
5,664
+371
+7% +$6.57K ﹤0.01% 2879
2013
Q2 		$68K Buy
+5,293
New +$49.2K ﹤0.01% 3083

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 Advisors's PRTA Position: Q4 2016 in Review

BlackRock Advisors reduced its Prothena Corp (PRTA) stake by 40% in Q4 2016, selling an estimated $3.09M and leaving 82,435 shares worth $4.05M. The position accounts for ﹤0.01% of the portfolio, ranked #1222.

BlackRock Advisors first reported a position in PRTA in Q2 2013 and has held it in 15 quarters since. The position peaked at $8.3M in Q3 2016. 145 funds tracked by Wall St. Rank hold PRTA as of Q4 2016.

  • BlackRock Advisors held 82,435 shares of Prothena Corp worth $4.05M as of Q4 2016.
  • BlackRock Advisors sold 55,986 Prothena Corp shares in Q4 2016, an estimated $3.09M.
  • Prothena Corp made up ﹤0.01% of BlackRock Advisors's portfolio in Q4 2016, its #1222 holding.
  • BlackRock Advisors first reported a position in Prothena Corp in Q2 2013 and has held it in 15 quarters since.
  • BlackRock Advisors's Prothena Corp position peaked at $8.3M in Q3 2016.
  • 145 funds tracked by Wall St. Rank held Prothena Corp as of Q4 2016.

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