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Westside Investment Management, Inc.

Position in BIIB — Biogen Inc.

CIK 1538383 SANTA MONICA, CA

Position in BIIB

as of Jun 30, 2026 · filed Jul 27, 2026
Position Value
$569,101
+$85,661 QoQ
Shares Held
2,634
-0.1% QoQ
Ownership
0.002%
of shares outstanding
% of Portfolio
0.15%
of 13F equity value
Holder Rank
#555
of 1,036 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority Sole 0% Shared 0% None 100%

Common Shares in BIIB Over Time

Shares Held

Position Value (USD)

Position in Drug Manufacturers - General

Healthcare · as of Jun 30, 2026

Westside Investment Management, Inc. holds $16,730,523 across 16 Drug Manufacturers - General names. BIIB ranks #6 (3.4% of the industry book) .

# Ticker Company Shares Value (USD) Open
6 BIIB
Biogen Inc.
This page
2,634 $569,101

All Filings in BIIB

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26 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $569,101 2,634
2026-03-31 $483,440 2,637
2025-12-31 $442,085 2,512
2025-09-30 $347,397 2,480
2025-06-30 $324,021 2,580
2025-03-31 $363,994 2,660
2024-12-31 $206,442 1,350
2024-09-30 $467,929 2,414
2024-06-30 $559,613 2,414
2024-03-31 $464,466 2,154
2023-12-31 $544,452 2,104
2023-09-30 $540,748 2,104
2023-06-30 $596,475 2,094
2023-03-31 $582,194 2,094
2022-12-31 $593,716 2,144
2022-09-30 $534,000 2,000
2022-06-30 $397,683 1,950
2022-03-31 $410,670 1,950
2021-12-31 $443,851 1,850
2021-09-30 $483,912 1,710
2021-06-30 $519,405 1,500
2021-03-31 $570,690 2,040
2020-12-31 $499,514 2,040
2020-09-30 $462,398 1,630
2020-06-30 $342,464 1,280
2020-03-31 $529,303 1,673