MAA
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Managed Account Advisors’s Biogen BIIB Stock Holding History

Managed Account Advisors’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
Q2 		$350M Sell
866,664
-195,721
-18% -$78.5M 0.29% 95
2015
Q1 		$449M Buy
1,062,385
+24,829
+2% +$9.79M 0.39% 59
2014
Q4 		$352M Sell
1,037,556
-45,427
-4% -$14.7M 0.35% 70
2014
Q3 		$358M Buy
1,082,983
+10,878
+1% +$3.59M 0.4% 50
2014
Q2 		$338M Sell
1,072,105
-60,176
-5% -$18.1M 0.41% 43
2014
Q1 		$346M Sell
1,132,281
-169,349
-13% -$53.8M 0.45% 38
2013
Q4 		$364M Sell
1,301,630
-4,208
-0.3% -$1.09M 0.49% 31
2013
Q3 		$314M Sell
1,305,838
-278,018
-18% -$62.2M 0.46% 35
2013
Q2 		$341M Buy
+1,583,856
New +$338M 0.53% 28

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
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return