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TFB Advisors LLC

Position in BIIB — Biogen Inc.

CIK 1965201 OVERLAND PARK, KS

Position in BIIB

as of Jun 30, 2026 · filed Aug 6, 2026
Position Value
$523,729
+$79,521 QoQ
Shares Held
2,424
+0.0% QoQ
Ownership
0.002%
of shares outstanding
% of Portfolio
0.53%
of 13F equity value
Holder Rank
#568
of 1,031 holders
Holding Since
Jun 2023
13 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

TFB Advisors LLC holds $3,025,209 across 5 Drug Manufacturers - General names. BIIB ranks #3 (17.3% of the industry book) .

# Ticker Company Shares Value (USD) Open
3 BIIB
Biogen Inc.
This page
2,424 $523,729

All Filings in BIIB

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13 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $523,729 2,424
2026-03-31 $444,208 2,423
2025-12-31 $430,823 2,448
2025-09-30 $342,915 2,448
2025-06-30 $310,332 2,471
2025-03-31 $333,752 2,439
2024-12-31 $372,207 2,434
2024-09-30 $474,326 2,447
2024-06-30 $567,727 2,449
2024-03-31 $528,293 2,450
2023-12-31 $621,048 2,400
2023-09-30 $628,132 2,444
2023-06-30 $695,603 2,442