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Sompo Asset Management Co., Ltd.

Position in BIIB — Biogen Inc.

CIK 1533504 Tokyo, M0

Position in BIIB

as of Jun 30, 2026 · filed Jul 14, 2026
Position Value
$1,857,251
+$248,347 QoQ
Shares Held
8,596
-2.1% QoQ
Ownership
0.006%
of shares outstanding
% of Portfolio
0.40%
of 13F equity value
Holder Rank
#352
of 1,036 holders
Holding Since
Mar 2020
17 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

Sompo Asset Management Co., Ltd. holds $25,742,524 across 9 Drug Manufacturers - General names. BIIB ranks #5 (7.2% of the industry book) .

# Ticker Company Shares Value (USD) Open
5 BIIB
Biogen Inc.
This page
8,596 $1,857,251

All Filings in BIIB

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17 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $1,857,251 8,596
2026-03-31 $1,608,904 8,776
2025-12-31 $1,333,300 7,576
2025-09-30 $453,859 3,240
2024-09-30 $232,608 1,200
2024-06-30 $338,457 1,460
2024-03-31 $230,724 1,070
2023-09-30 $282,711 1,100
2023-03-31 $264,128 950
2022-12-31 $263,074 950
2021-09-30 $812,181 2,870
2021-06-30 $1,835,231 5,300
2021-03-31 $1,636,537 5,850
2020-12-31 $2,118,039 8,650
2020-09-30 $1,475,136 5,200
2020-06-30 $1,541,088 5,760
2020-03-31 $487,225 1,540