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Showing 8 of 27 quarters

Position history for RENAISSANCE TECHNOLOGIES LLCRENAISSANCE TECHNOLOGIES LLC's holdings in BIOGEN IDEC INC

RENAISSANCE TECHNOLOGIES LLC holds 77,744 shares of BIIB (BIOGEN IDEC INC), worth $16.8M as of 2026-Q2. The position was decreased (-61.8% shares). BIIB represents 0.0% of RENAISSANCE TECHNOLOGIES LLC's portfolio.

Current Value

$16.8M

Current Shares

77,744

Total Value Change

-$167.9M

Total Shares Change

-874,962

Quarter-by-Quarter History
QuarterActionSharesChangeValueWeightPriceConviction
2026-Q2
Latest
Decreased
77,744
-61.8%
$16.8M0.0%$216.06
0
2026-Q1
Decreased
203,396
-49.0%
$37.3M0.1%$183.33
0
2025-Q4
Decreased
399,196
-58.6%
$70.3M0.1%$175.99
0
2025-Q3
Decreased
964,406
-7.7%
$135.1M0.2%$140.08
0
2025-Q2
Increased
1M
+29.9%
$131.3M0.2%$125.59
45
2025-Q1
Decreased
804,506
-32.5%
$110.1M0.2%$136.84
0
2024-Q4
Increased
1.2M
+25.1%
$182.3M0.3%$152.92
45
2024-Q3
Increased
952,706
+54.1%
$184.7M0.3%$193.84
51

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

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