ZF
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Zhang Financial’s Biogen BIIB Stock Holding History

Zhang Financial’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
2023
Q4 		– Sell
-931
Closed -$245K – 255
2023
Q3 		$245K Sell
931
-78
-8% -$20.9K 0.02% 214
2023
Q2 		$283K Sell
1,009
-169
-14% -$50.3K 0.03% 203
2023
Q1 		$328K Buy
1,178
+77
+7% +$21.3K 0.04% 184
2022
Q4 		$305K Sell
1,101
-35
-3% -$9.88K 0.04% 183
2022
Q3 		$304K Buy
+1,136
New +$241K 0.05% 173
2022
Q1 		– Sell
-1,426
Closed -$342K – 223
2021
Q4 		$342K Hold
1,426
– – 0.06% 156
2021
Q3 		$404K Buy
+1,426
New +$467K 0.09% 105

Other funds holding BIIB

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
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $145B AUM 22.78% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return