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BIIBBIIB
22 quarters

Position history for CACaption Management, LLC's holdings in BIOGEN INC

Yes. Caption Management holds 21,000 shares of BIIB (Biogen), worth $4.5M, as of its Q2 2026 13F filing. It opened the position in Q2 2026.

Current Value

$4.5M

Current Shares

21,000

Total Value Change

+$2.9M

Total Shares Change

+15,460

Quarter-by-Quarter History
QuarterActionSharesChangeValueWeightPriceConviction
2026-Q2
Latest
New
21,000
-
$4.5M0.0%$216.06
37
2026-Q1
Exited
0
-100.0%
$00.0%$183.33
0
2025-Q4
Increased
53,000
+960.0%
$9.3M0.1%$175.99
45
2025-Q3
Decreased
5,000
-54.5%
$700,4000.0%$140.08
0
2025-Q2
New
11,000
-
$1.4M0.0%$125.59
35
2025-Q1
Exited
0
-100.0%
$00.0%$136.84
0
2024-Q4
Increased
13,875
+679.5%
$2.1M0.0%$152.92
42
2024-Q3
Decreased
1,780
-52.9%
$345,0350.0%$193.84
0
2024-Q2
New
3,780
-
$876,2800.0%$231.82
34
2023-Q1
Exited
0
-100.0%
$00.0%$278.03
0
2022-Q4
New
12,000
-
$3.3M0.1%$276.92
37
2022-Q3
Exited
0
-100.0%
$00.0%$267.00
0
2022-Q2
Increased
75,346
+5.1%
$15.4M0.2%$203.94
35
2022-Q1
Decreased
71,700
-69.5%
$15.1M0.2%$210.60
0
2021-Q4
Increased
235,000
+5.2%
$56.4M0.6%$239.92
44
2021-Q3
Increased
223,300
+31.9%
$63.2M0.7%$282.99
53
2021-Q2
Increased
169,304
+124.3%
$58.6M0.8%$346.27
67
2021-Q1
New
75,474
-
$21.1M0.5%$279.75
47
2020-Q4
Exited
0
-100.0%
$00.0%$244.86
0
2020-Q3
New
12,800
-
$3.6M0.1%$283.68
37
2020-Q1
Exited
0
-100.0%
$00.0%$316.38
0
2019-Q4
New
5,540
-
$1.6M0.1%$296.73
36

Other major holders of BIIB: PRIMECAP MANAGEMENT CO/CA/

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