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Leonteq Securities AG

Broker-Dealer

Position in BIIB — Biogen Inc.

CIK 1535950 ZURICH, V8

Position in BIIB

as of Jun 30, 2026 · filed Jul 27, 2026
Position Value
$4,613,745
-$236,066 QoQ
Shares Held
21,354
-19.3% QoQ
Ownership
0.014%
of shares outstanding
% of Portfolio
0.28%
of 13F equity value
Holder Rank
#255
of 1,036 holders
Holding Since
Jun 2021
21 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in BIIB Over Time

Shares Held

Position Value (USD)

Derivatives in BIIB

reported options exposure · as of Dec 31, 2024
CallValue
$1,529,200
CallShares
10,000
PutValue
$0
PutShares
0

Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.

Position in Drug Manufacturers - General

Healthcare · as of Jun 30, 2026

Leonteq Securities AG holds $17,608,542 across 13 Drug Manufacturers - General names. BIIB ranks #1 (26.2% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 BIIB
Biogen Inc.
This page
21,354 $4,613,745

All Filings in BIIB

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26 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $4,613,745 21,354
2026-03-31 $4,849,811 26,454
2025-12-31 $4,920,680 27,960
2025-09-30 $3,238,229 23,117
2025-06-30 $13,672,732 108,868
2025-03-31 $11,174,217 81,659
2024-12-31 $1,529,200 10,000
2024-12-31 $17,488,389 114,363
2024-09-30 $2,417,378 12,471
2024-09-30 $1,938,400 10,000
2024-06-30 $2,318,200 10,000
2024-03-31 $4,899,976 22,724
2024-03-31 $2,156,300 10,000
2023-12-31 $2,587,700 10,000
2023-12-31 $2,060,844 7,964
2023-09-30 $1,666,709 6,485
2023-06-30 $1,405,449 4,934
2023-03-31 $75,902 273
2023-03-31 $3,836,814 13,800
2022-12-31 $2,956,121 10,675
2022-09-30 $4,400,427 16,481
2022-06-30 $22,797,025 111,783
2022-03-31 $25,946,341 123,202
2021-12-31 $20,661,910 86,120
2021-09-30 $10,022,373 35,416
2021-06-30 $431,798 1,247