Capital Research Global Investors
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Capital Research Global Investors’s Biogen BIIB Stock Holding History

Capital Research Global Investors’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
2015
Q1 		– Sell
-300,000
Closed -$102M – 443
2014
Q4 		$102M Sell
300,000
-5,156,600
-95% -$1.67B 0.03% 298
2014
Q3 		$1.81B Sell
5,456,600
-2,741,950
-33% -$904M 0.62% 38
2014
Q2 		$2.59B Sell
8,198,550
-345,000
-4% -$104M 0.9% 22
2014
Q1 		$2.61B Sell
8,543,550
-613,450
-7% -$195M 0.94% 17
2013
Q4 		$2.56B Buy
9,157,000
+315,000
+4% +$81.5M 0.95% 20
2013
Q3 		$2.13B Sell
8,842,000
-288,000
-3% -$64.5M 0.84% 28
2013
Q2 		$1.96B Buy
+9,130,000
New +$1.95B 0.84% 26

Other funds holding BIIB

Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Primecap Management
Primecap Management Pasadena, California $127B AUM 44.11% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
ClearBridge Investments
ClearBridge Investments New York $115B AUM 24.78% 1-Year Est. Return
BIT
BlackRock Institutional Trust San Francisco, California $675B AUM 16.07% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.47T AUM 27.86% 1-Year Est. Return
Jennison Associates
Jennison Associates New York $145B AUM 34.61% 1-Year Est. Return
Sands Capital Management
Sands Capital Management Arlington, Virginia $25.5B AUM 26.46% 1-Year Est. Return