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Position history for STATE STREET CORPSTATE STREET CORP's holdings in BIOGEN INC

STATE STREET CORP holds 7.3M shares of BIIB (BIOGEN INC), worth $1.6B as of 2026-Q2. The position was increased (+2.5% shares). BIIB represents 0.0% of STATE STREET CORP's portfolio.

Current Value

$1.6B

Current Shares

7.3M

Total Value Change

+$163.1M

Total Shares Change

-633

Quarter-by-Quarter History
QuarterActionSharesChangeValueWeightPriceConviction
2026-Q2
Latest
Increased
7.3M
+2.5%
$1.6B0.0%$216.06
33
2026-Q1
Increased
7.2M
+0.1%
$1.3B0.0%$183.33
32
2025-Q4
Decreased
7.2M
-2.2%
$1.3B0.0%$175.99
0
2025-Q3
Decreased
7.3M
-2.0%
$1B0.0%$140.08
0
2025-Q2
Increased
7.5M
+1.0%
$938M0.0%$125.59
32
2025-Q1
Decreased
7.4M
-0.0%
$1B0.0%$136.84
0
2024-Q4
Increased
7.4M
+0.7%
$1.1B0.0%$152.92
32
2024-Q3
Increased
7.3M
+3.5%
$1.4B0.1%$193.84
33

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

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