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Equibles

BARCLAYS PLC

Position in IONS — Ionis Pharmaceuticals Inc

CIK 312069 LONDON, X0
Back to IONS Full portfolio

Position in IONS

as of Mar 31, 2026 · filed May 15, 2026
Position Value
$21,766,636
-$44,912,888 QoQ
Shares Held
289,874
-65.6% QoQ
Ownership
0.175%
of shares outstanding
% of Portfolio
0.01%
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 IONS Over Time

Shares Held

Position Value (USD)

Derivatives in IONS

reported options exposure · as of Mar 31, 2026
CallValue
$0
CallShares
0
PutValue
$3,754,500
PutShares
50,000

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 Biotechnology

Healthcare · as of Mar 31, 2026

BARCLAYS PLC holds $1,494,072,071 across 362 Biotechnology names. IONS ranks #15 (1.5% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 VRTX
Vertex Pharmaceuticals Inc / Ma
 663,263 $296,173,457
2 REGN
Regeneron Pharmaceuticals, Inc.
 313,093 $241,908,173
3 ALNY
Alnylam Pharmaceuticals, Inc.
 220,623 $72,997,531
4 MRNA
Moderna, Inc.
 932,269 $47,359,264
5 INSM
INSMED Inc
 275,731 $45,087,531
6 ROIV
Roivant Sciences Ltd.
 1,415,848 $39,218,988
7 RVMD
Revolution Medicines, Inc.
 383,179 $37,264,156
8 TERN
Terns Pharmaceuticals, Inc.
 669,601 $35,301,364

All Filings in IONS

Export CSV
50 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $3,754,500 50,000
2026-03-31 $21,766,636 289,874
2025-12-31 $10,252,656 129,600
2025-12-31 $66,679,524 842,871
2025-12-31 $11,621,259 146,900
2025-09-30 $10,113,932 154,600
2025-09-30 $9,610,198 146,900
2025-09-30 $46,713,018 714,048
2025-06-30 $2,394,306 60,600
2025-06-30 $23,044,838 583,266
2025-06-30 $418,806 10,600
2025-03-31 $319,802 10,600
2025-03-31 $10,678,278 353,937
2025-03-31 $1,828,302 60,600
2024-12-31 $5,244,000 150,000
2024-12-31 $20,838,676 596,072
2024-09-30 $25,519,501 637,032
2024-09-30 $4,006,000 100,000
2024-06-30 $29,343,022 615,674
2024-06-30 $2,383,000 50,000
2024-03-31 $25,029,726 577,387
2024-03-31 $1,083,750 25,000
2024-03-31 $5,852,250 135,000
2023-12-31 $2,782,450 55,000
2023-12-31 $32,605,659 644,508
2023-12-31 $2,782,450 55,000
2023-09-30 $29,010,123 639,553
2023-09-30 $2,721,600 60,000
2023-06-30 $22,247,778 542,232
2023-03-31 $16,398,118 458,817
2022-12-31 $19,161,135 507,311
2022-09-30 $22,313,503 504,488
2022-06-30 $13,126,512 354,579
2022-03-31 $11,717,602 316,350
2021-12-31 $10,040,012 329,938
2021-09-30 $11,077,959 330,291
2021-06-30 $14,519,799 363,996
2021-03-31 $4,440,743 98,771
2020-12-31 $378,818 6,700
2020-12-31 $2,369,026 41,900
2020-12-31 $3,938,858 69,665
2020-09-30 $1,988,155 41,900
2020-09-30 $317,915 6,700
2020-09-30 $3,598,938 75,847
2020-06-30 $613,184 10,400
2020-06-30 $4,705,065 79,801
2020-06-30 $2,582,448 43,800
2020-03-31 $2,970,223 62,822
2020-03-31 $1,276,560 27,000
2020-03-31 $2,496,384 52,800

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