MWNA
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Marshall Wace North America’s Biogen BIIB Stock Holding History

Marshall Wace North America’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
2021
Q3 		$1.66M Sell
5,876
-154,056
-96% -$50.5M 0.01% 774
2021
Q2 		$55.4M Sell
159,932
-20,267
-11% -$6.14M 0.23% 91
2021
Q1 		$50.4M Sell
180,199
-182,683
-50% -$49.3M 0.21% 116
2020
Q4 		$88.9M Buy
362,882
+221,548
+157% +$57.2M 0.4% 50
2020
Q3 		$40.1M Buy
141,334
+139,527
+7,721% +$38.9M 0.26% 97
2020
Q2 		$483K Sell
1,807
-102,350
-98% -$30.8M ﹤0.01% 929
2020
Q1 		$33M Sell
104,157
-11,035
-10% -$3.35M 0.25% 114
2019
Q4 		$34.2M Buy
+115,192
New +$32M 0.16% 152
2019
Q1 		– Sell
-23,179
Closed -$6.97M – 1563
2018
Q4 		$6.97M Sell
23,179
-183,589
-89% -$58.6M 0.07% 202
2018
Q3 		$73.1M Buy
+206,768
New +$71.2M 0.5% 51
2018
Q2 		– Sell
-100,027
Closed -$27.4M – 1395
2018
Q1 		$27.4M Sell
100,027
-155,971
-61% -$48.4M 0.14% 169
2017
Q4 		$81.6M Buy
255,998
+16,582
+7% +$5.32M 0.45% 44
2017
Q3 		$74.9M Sell
239,416
-14,608
-6% -$4.33M 0.48% 33
2017
Q2 		$68.8M Buy
254,024
+113,315
+81% +$30M 0.5% 39
2017
Q1 		$38.4M Buy
+140,709
New +$39.8M 0.3% 93
2013
Q4 		$7.97M Buy
+28,487
New +$7.37M 0.17% 141

Other funds holding BIIB

Primecap Management
Primecap Management Pasadena, California $127B AUM 44.11% 1-Year Est. Return
BlackRock
BlackRock New York $5.7T AUM 30.48% 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 $2.9T AUM 29.55% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.47T AUM 27.86% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
ClearBridge Investments
ClearBridge Investments New York $115B AUM 24.78% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return
Northern Trust
Northern Trust Chicago, Illinois $757B AUM 28.64% 1-Year Est. Return