CCM
BIIB icon

Causeway Capital Management’s Biogen BIIB Stock Holding History

Causeway Capital Management’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
2026
Q1 		$51.5M Sell
280,783
-240,318
-46% -$44.3M 0.63% 35
2025
Q4 		$91.7M Sell
521,101
-46,417
-8% -$7.58M 1.26% 15
2025
Q3 		$79.5M Buy
567,518
+74,163
+15% +$10M 1.05% 18
2025
Q2 		$62M Buy
493,355
+59,838
+14% +$7.46M 0.98% 19
2025
Q1 		$59.3M Buy
433,517
+151,815
+54% +$21.7M 1.24% 20
2024
Q4 		$43.1M Buy
+281,702
New +$47.5M 0.98% 31
2016
Q4 		– Sell
-404,444
Closed -$142M – 85
2016
Q3 		$142M Sell
404,444
-84,819
-17% -$25.1M 2.61% 15
2016
Q2 		$135M Buy
+489,263
New +$129M 2.88% 13

Other funds holding BIIB

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Primecap Management
Primecap Management Pasadena, California $127B AUM 44.11% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return