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XXI WEALTH, LLC

Position in BIIB — Biogen Inc.

CIK 2047463 CHICAGO, IL

Position in BIIB

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$778,464
+$109,127 QoQ
Shares Held
3,603
-1.3% QoQ
Ownership
0.002%
of shares outstanding
% of Portfolio
0.37%
of 13F equity value
Holder Rank
#491
of 1,031 holders
Holding Since
Dec 2025
3 quarters on record
Voting authority Sole 8% Shared 0% None 92%

Common Shares in BIIB Over Time

Shares Held

Position Value (USD)

Position in Drug Manufacturers - General

Healthcare · as of Jun 30, 2026

XXI WEALTH, LLC holds $17,089,687 across 13 Drug Manufacturers - General names. BIIB ranks #8 (4.6% of the industry book) .

# Ticker Company Shares Value (USD) Open
8 BIIB
Biogen Inc.
This page
3,603 $778,464

All Filings in BIIB

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3 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $778,464 3,603
2026-03-31 $669,337 3,651
2025-12-31 $442,614 2,515