Skip to main content

LMR Partners LLP

Position in BIIB — Biogen Inc.

CIK 1578621 LONDON, X0

Position in BIIB

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$1,051,347
-$20,238,948 QoQ
Shares Held
4,866
-95.8% QoQ
Ownership
0.003%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#445
of 1,036 holders
Holding Since
Dec 2020
16 quarters on record
Voting authority Sole 0% Shared 100% None 0%

Common Shares in BIIB Over Time

Shares Held

Position Value (USD)

Derivatives in BIIB

reported options exposure · as of Jun 30, 2026
CallValue
$84,047,340
CallShares
389,000
PutValue
$62,268,492
PutShares
288,200

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

LMR Partners LLP holds $144,798,606 across 13 Drug Manufacturers - General names. BIIB ranks #13 (0.7% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in BIIB

Export CSV
23 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $84,047,340 389,000
2026-06-30 $1,051,347 4,866
2026-06-30 $62,268,492 288,200
2026-03-31 $21,290,295 116,131
2026-03-31 $28,287,819 154,300
2025-12-31 $1,518,793 8,630
2025-03-31 $2,162,345 15,802
2024-12-31 $2,217,340 14,500
2024-09-30 $1,574,174 8,121
2024-06-30 $1,497,557 6,460
2023-09-30 $23,773,425 92,500
2023-09-30 $3,930,710 15,294
2023-09-30 $18,710,328 72,800
2023-06-30 $49,940,186 175,321
2023-06-30 $65,173,680 228,800
2023-06-30 $7,121,250 25,000
2023-03-31 $9,854,217 35,443
2022-09-30 $182,975,100 685,300
2021-12-31 $5,609,569 23,381
2021-09-30 $5,715,266 20,196
2021-06-30 $7,897,033 22,806
2021-03-31 $3,662,207 13,091
2020-12-31 $16,582,164 67,721