AIA
BIIB icon

Avalon Investment & Advisory’s Biogen BIIB Stock Holding History

Avalon Investment & Advisory’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 		– Sell
-1,239
Closed -$429K – 340
2021
Q2 		$429K Buy
1,239
+29
+2% +$8.79K 0.01% 292
2021
Q1 		$338K Sell
1,210
-102
-8% -$27.5K 0.01% 313
2020
Q4 		$321K Buy
1,312
+69
+6% +$17.8K 0.01% 311
2020
Q3 		$353K Buy
1,243
+38
+3% +$10.6K 0.01% 288
2020
Q2 		$322K Sell
1,205
-696
-37% -$209K 0.01% 265
2020
Q1 		$601K Buy
1,901
+804
+73% +$244K 0.02% 246
2019
Q4 		$326K Buy
+1,097
New +$304K 0.01% 286
2018
Q4 		– Sell
-30,522
Closed -$10.8M – 308
2018
Q3 		$10.8M Sell
30,522
-181
-0.6% -$62.3K 0.3% 120
2018
Q2 		$8.91M Sell
30,703
-617
-2% -$173K 0.26% 125
2018
Q1 		$8.58M Sell
31,320
-483
-2% -$150K 0.27% 130
2017
Q4 		$10.1M Buy
+31,803
New +$10.2M 0.32% 115
2017
Q2 		– Sell
-19,831
Closed -$5.42M – 393
2017
Q1 		$5.42M Buy
+19,831
New +$5.61M 0.19% 141
2014
Q1 		– Sell
-829
Closed -$232K – 175
2013
Q4 		$232K Buy
+829
New +$214K 0.01% 171
2013
Q3 		– Sell
-46,884
Closed -$10.1M – 187
2013
Q2 		$10.1M Buy
+46,884
New +$10M 0.6% 55

Other funds holding BIIB

Primecap Management
Primecap Management Pasadena, California $127B AUM 44.11% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T 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 $1.56T 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