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BIIBBIIB
Showing 6 of 25 quarters

Position history for FRED ALGER MANAGEMENT, LLCFRED ALGER MANAGEMENT, LLC's holdings in BIOGEN IDEC INC

FRED ALGER MANAGEMENT, LLC holds 788,307 shares of BIIB (BIOGEN IDEC INC), worth $170.3M as of 2026-Q2. The position was increased (+7.5% shares). BIIB represents 0.6% of FRED ALGER MANAGEMENT, LLC's portfolio.

Current Value

$170.3M

Current Shares

788,307

Total Value Change

+$168.7M

Total Shares Change

+776,148

Quarter-by-Quarter History
QuarterActionSharesChangeValueWeightPriceConviction
2026-Q2
Latest
Increased
788,307
+7.5%
$170.3M0.6%$216.06
46
2026-Q1
Decreased
733,194
-8.2%
$134.4M0.6%$183.33
0
2025-Q4
Increased
798,774
+391x
$140.6M0.6%$175.99
69
2025-Q3
New
2,039
-
$285,6230.0%$140.08
32
2025-Q2
Exited
0
-100.0%
$00.0%$125.59
0
2025-Q1
New
12,159
-
$1.7M0.0%$136.84
36

Other major holders of BIIB: BNP PARIBAS FINANCIAL MARKETS, PRIMECAP MANAGEMENT CO/CA/

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