TCM
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Tang Capital Management’s Biogen BIIB Stock Holding History

Tang Capital Management’s Portfolio BIIB Stock Details BIIB Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Shares
Change % 		Capital Flow Portfolio Weight Portfolio Position
2025
Q2 		$4.4M Hold
35,000
– – 0.22% 89
2025
Q1 		$4.79M Hold
35,000
– – 0.27% 76
2024
Q4 		$5.35M Hold
35,000
– – 0.35% 67
2024
Q3 		$6.78M Hold
35,000
– – 0.48% 59
2024
Q2 		$8.11M Buy
+35,000
New +$8.11M 0.83% 40