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PIN OAK INVESTMENT ADVISORS INC

Position in BIIB — Biogen Inc.

CIK 1094584 HOUSTON, TX

Position in BIIB

as of Jun 30, 2026 · filed Aug 18, 2026
Position Value
$177,385
+$27,055 QoQ
Shares Held
821
+0.1% QoQ
Ownership
0.001%
of shares outstanding
% of Portfolio
0.13%
of 13F equity value
Holder Rank
#769
of 1,031 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in BIIB Over Time

Shares Held

Position Value (USD)

Position in Drug Manufacturers - General

Healthcare · as of Jun 30, 2026

PIN OAK INVESTMENT ADVISORS INC holds $4,178,060 across 13 Drug Manufacturers - General names. BIIB ranks #7 (4.2% of the industry book) .

# Ticker Company Shares Value (USD) Open
7 BIIB
Biogen Inc.
This page
821 $177,385

All Filings in BIIB

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26 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $177,385 821
2026-03-31 $150,330 820
2025-12-31 $165 820
2025-09-30 $114,865 820
2025-06-30 $102,983 820
2025-03-31 $112,208 820
2024-12-31 $159 820
2024-09-30 $158,948 820
2024-06-30 $190,092 820
2024-03-31 $176,816 820
2023-12-31 $212,191 820
2023-09-30 $210,748 820
2023-06-30 $233,577 820
2023-03-31 $227,984 820
2022-12-31 $227,074 820
2022-09-30 $218,940 820
2022-06-30 $167,230 820
2022-03-31 $172,692 820
2021-12-31 $196,734 820
2021-09-30 $232,051 820
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