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VANGUARD PORTFOLIO MANAGEMENT LLC

Position in IONS — Ionis Pharmaceuticals Inc

CIK 2100121 MALVERN, PA

Position in IONS

as of Jun 30, 2026 · filed Aug 13, 2026
Position Value
$623,182,054
+$36,811,603 QoQ
Shares Held
7,859,529
+0.6% QoQ
Ownership
4.73%
of shares outstanding
% of Portfolio
0.03%
of 13F equity value
Holder Rank
#4
of 514 holders
Holding Since
Mar 2026
2 quarters on record
Voting authority Sole 0% Shared 0% None 100%

Common Shares in IONS Over Time

Shares Held

Position Value (USD)

Position in Biotechnology

Healthcare · as of Jun 30, 2026

VANGUARD PORTFOLIO MANAGEMENT LLC holds $29,186,942,856 across 295 Biotechnology names. IONS ranks #11 (2.1% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in IONS

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2 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $623,182,054 7,859,529
2026-03-31 $586,370,451 7,808,902