UOC
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UBS O'Connor’s Biogen BIIB Stock Holding History

UBS O'Connor’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
2024
Q2 		– Sell
-2,500
Closed -$539K – 557
2024
Q1 		$539K Sell
2,500
-2,379
-49% -$557K 0.02% 328
2023
Q4 		$1.26M Sell
4,879
-17,121
-78% -$4.21M 0.04% 242
2023
Q3 		$5.65M Buy
+22,000
New +$5.88M 0.1% 105
2023
Q2 		– Sell
-8,610
Closed -$2.39M – 591
2023
Q1 		$2.39M Buy
+8,610
New +$2.38M 0.06% 279
2022
Q4 		– Sell
-5,950
Closed -$1.59M – 55
2022
Q3 		$1.59M Buy
+5,950
New +$1.26M 0.02% 681
2013
Q3 		– Sell
-36,000
Closed -$7.75M – 433
2013
Q2 		$7.75M Buy
+36,000
New +$7.69M 0.15% 192

Other funds holding BIIB

Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
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
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Point72 Asset Management
Point72 Asset Management Stamford, Connecticut $78.1B AUM 55.25% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $218B AUM 29.41% 1-Year Est. Return