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Deep Track Capital, LP

Position in IONS — Ionis Pharmaceuticals Inc

CIK 1856083 GREENWICH, CT

Position in IONS

as of Mar 31, 2026 · filed May 15, 2026
Position Value
$146,425,500
+$11,938,500 QoQ
Shares Held
1,950,000
+14.7% QoQ
Ownership
1.18%
of shares outstanding
% of Portfolio
3.02%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Dec 2022
14 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)

Position in Biotechnology

Healthcare · as of Mar 31, 2026

Deep Track Capital, LP holds $4,185,471,777 across 55 Biotechnology names. IONS ranks #10 (3.5% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in IONS

Export CSV
14 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $146,425,500 1,950,000
2025-12-31 $134,487,000 1,700,000
2025-09-30 $249,128,780 3,808,144
2025-06-30 $193,264,903 4,891,544
2025-03-31 $137,702,125 4,564,207
2024-12-31 $67,610,122 1,933,928
2024-09-30 $88,132,000 2,200,000
2024-06-30 $95,320,000 2,000,000
2024-03-31 $59,540,141 1,373,475
2023-12-31 $63,190,350 1,249,068
2023-09-30 $128,553,369 2,834,069
2023-06-30 $116,281,851 2,834,069
2023-03-31 $101,289,626 2,834,069
2022-12-31 $45,542,046 1,205,773