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CWM, LLC

Position in BIIB — Biogen Inc.

CIK 1535847 OMAHA, NE

Position in BIIB

as of Mar 31, 2026 · filed May 14, 2026
Position Value
$10,115,232
+$1,511,081 QoQ
Shares Held
55,175
+12.9% QoQ
Ownership
0.037%
of shares outstanding
% of Portfolio
0.07%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Mar 2020
24 quarters on record
Voting authority Sole 3% Shared 0% None 97%

Common Shares in BIIB Over Time

Shares Held

Position Value (USD)

Position in Drug Manufacturers - General

Healthcare · as of Mar 31, 2026

CWM, LLC holds $807,852,719 across 18 Drug Manufacturers - General names. BIIB ranks #10 (1.3% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in BIIB

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24 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $10,115,232 55,175
2025-12-31 $8,604,151 48,890
2025-09-30 $6,647,496 47,455
2025-06-30 $4,368,271 34,782
2025-03-31 $3,851,088 28,143
2024-12-31 $2,404,667 15,725
2024-09-30 $636,764 3,285
2024-06-30 $872,802 3,765
2024-03-31 $798,477 3,703
2023-12-31 $894,826 3,458
2023-09-30 $940,142 3,658
2023-06-30 $1,171,872 4,114
2023-03-31 $779,040 2,802
2022-12-31 $478,517 1,728
2022-09-30 $399,165 1,495
2022-06-30 $254,313 1,247
2022-03-31 $238,820 1,134
2021-12-31 $236,081 984
2021-06-30 $283,941 820
2021-03-31 $229,395 820
2020-12-31 $200,785 820
2020-09-30 $232,617 820
2020-06-30 $219,391 820
2020-03-31 $259,431 820