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BlackRock Group’s Biogen BIIB Stock Holding History

BlackRock Group’s Portfolio BIIB Stock Details BIIB Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2016
Q4 		$621M Buy
2,191,369
+165,228
+8% +$49M 0.3% 69
2016
Q3 		$634M Sell
2,026,141
-71,647
-3% -$21.2M 0.32% 58
2016
Q2 		$507M Buy
2,097,788
+86,534
+4% +$22.8M 0.26% 85
2016
Q1 		$524M Sell
2,011,254
-139,747
-6% -$36.9M 0.28% 76
2015
Q4 		$659M Sell
2,151,001
-61,261
-3% -$17.6M 0.36% 56
2015
Q3 		$646M Buy
2,212,262
+58,083
+3% +$19.2M 0.38% 54
2015
Q2 		$870M Buy
2,154,179
+10,809
+0.5% +$4.34M 0.47% 43
2015
Q1 		$905M Sell
2,143,370
-51,690
-2% -$20.4M 0.49% 44
2014
Q4 		$745M Buy
2,195,060
+25,939
+1% +$8.39M 0.4% 50
2014
Q3 		$718M Sell
2,169,121
-2,868
-0.1% -$946K 0.42% 49
2014
Q2 		$685M Sell
2,171,989
-10,683
-0.5% -$3.22M 0.39% 55
2014
Q1 		$668M Buy
2,182,672
+309,642
+17% +$98.3M 0.42% 49
2013
Q4 		$524M Sell
1,873,030
-21,899
-1% -$5.66M 0.34% 64
2013
Q3 		$456M Buy
1,894,929
+156,294
+9% +$35M 0.31% 71
2013
Q2 		$374M Buy
+1,738,635
New +$372M 0.28% 77

Other funds holding BIIB

Primecap Management
Primecap Management Pasadena, California $169B AUM 114.72% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
ClearBridge Investments
ClearBridge Investments New York $121B AUM 27.52% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
BIT
BlackRock Institutional Trust San Francisco, California $675B AUM 16.07% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return
BFA
BlackRock Fund Advisors San Francisco, California $542B AUM 18.13% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return

BlackRock Group's BIIB Position: Q4 2016 in Review

BlackRock Group increased its Biogen (BIIB) stake by 8.2% in Q4 2016, buying an estimated $49M and bringing the position to 2,191,369 shares worth $621M. The position accounts for 0.3% of the portfolio, ranked #69.

BlackRock Group first reported a position in BIIB in Q2 2013 and has held it in 15 quarters since. The position peaked at $905M in Q1 2015. 1,026 funds tracked by Wall St. Rank hold BIIB as of Q4 2016.

  • BlackRock Group held 2,191,369 shares of Biogen worth $621M as of Q4 2016.
  • BlackRock Group bought 165,228 Biogen shares in Q4 2016, an estimated $49M.
  • Biogen made up 0.3% of BlackRock Group's portfolio in Q4 2016, its #69 holding.
  • BlackRock Group first reported a position in Biogen in Q2 2013 and has held it in 15 quarters since.
  • BlackRock Group's Biogen position peaked at $905M in Q1 2015.
  • 1,026 funds tracked by Wall St. Rank held Biogen as of Q4 2016.

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