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Equibles

BARCLAYS PLC

Position in BIIB — Biogen Inc.

CIK 312069 LONDON, X0
Back to BIIB Full portfolio

Position in BIIB

as of Mar 31, 2026 · filed May 15, 2026
Position Value
$101,101,727
-$128,566,454 QoQ
Shares Held
551,474
-57.7% QoQ
Ownership
0.374%
of shares outstanding
% of Portfolio
0.04%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Common Shares in BIIB Over Time

Shares Held

Position Value (USD)

Derivatives in BIIB

reported options exposure · as of Mar 31, 2026
CallValue
$0
CallShares
0
PutValue
$32,999,400
PutShares
180,000

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 Mar 31, 2026

BARCLAYS PLC holds $8,691,009,698 across 16 Drug Manufacturers - General names. BIIB ranks #12 (1.2% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 JNJ
Johnson & Johnson
 6,786,107 $1,658,795,994
2 LLY
ELI LILLY & Co
 1,563,625 $1,438,175,365
3 ABBV
AbbVie Inc.
 5,571,610 $1,211,769,456
4 AZN
Astrazeneca PLC
 5,491,992 $1,083,130,660
5 MRK
Merck & Co., Inc.
 7,557,518 $909,093,835
6 GILD
Gilead Sciences, Inc.
 5,282,196 $736,179,654
7 AMGN
Amgen Inc
 1,529,613 $538,194,332
8 PFE
Pfizer Inc
 14,689,187 $412,472,368

All Filings in BIIB

Export CSV
50 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $32,999,400 180,000
2026-03-31 $101,101,727 551,474
2025-12-31 $229,668,181 1,305,007
2025-12-31 $31,695,799 180,100
2025-12-31 $1,319,925 7,500
2025-09-30 $190,428,113 1,359,424
2025-09-30 $14,008 100
2025-09-30 $1,050,600 7,500
2025-06-30 $100,177,490 797,655
2025-03-31 $125,667,424 918,353
2025-03-31 $1,122,088 8,200
2024-12-31 $1,253,944 8,200
2024-12-31 $1,666,828 10,900
2024-12-31 $128,201,093 838,354
2024-09-30 $5,970,272 30,800
2024-09-30 $4,400,168 22,700
2024-09-30 $178,576,262 921,256
2024-06-30 $3,129,570 13,500
2024-06-30 $103,774,917 447,653
2024-03-31 $8,797,704 40,800
2024-03-31 $582,201 2,700
2024-03-31 $116,562,030 540,565
2023-12-31 $6,676,266 25,800
2023-12-31 $17,337,590 67,000
2023-12-31 $137,732,918 532,260
2023-09-30 $1,953,276 7,600
2023-09-30 $33,514,104 130,400
2023-09-30 $101,692,687 395,676
2023-06-30 $167,423,719 587,761
2023-06-30 $6,893,370 24,200
2023-06-30 $16,464,330 57,800
2023-03-31 $14,262,939 51,300
2023-03-31 $5,949,842 21,400
2023-03-31 $127,294,086 457,843
2022-12-31 $51,728,656 186,800
2022-12-31 $172,445,835 622,728
2022-12-31 $33,368,860 120,500
2022-09-30 $89,673,819 335,857
2022-06-30 $29,061,450 142,500
2022-06-30 $36,444,078 178,700
2022-06-30 $63,734,307 312,515
2022-03-31 $79,897,636 379,381
2021-12-31 $195,911,711 816,571
2021-12-31 $20,273,240 84,500
2021-12-31 $13,675,440 57,000
2021-09-30 $108,926,809 384,914
2021-09-30 $28,299 100
2021-06-30 $8,691,377 25,100
2021-06-30 $113,657,239 328,233
2021-03-31 $82,625,559 295,355

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