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IONS

Ionis Pharmaceuticals, Inc. · XNAS

Season
Q2 2026 · as of Jun 30
Holders
3 of 97 filed · prev 3
Median weight
0.15%
Sector
Health Care
Type
equity · US

Moves1 this quarter

Streakslongest holders · 43 quarters on record

  1. ARK Cathie Wood, CIO 0.1%39 quarters
  2. Tweedy John Spears, portfolio manager 13.7%18 quarters
  3. Baron Ron Baron, CEO 0.0%4 quarters

The record for IONS begins Q4 2015: 43 quarters.

Over time43 quarters, Q4 2015 to Q2 2026

Managers holding3 Q2 2026

Largest weight13.7% Q2 2026

Holders3 of 97 filed

TweedyJohn Spears, portfolio manager13.70%2,280,311$181Madded0%+0.13 pp18 q
ARKCathie Wood, CIO0.15%300,770$24Madded+4%—39 q
BaronRon Baron, CEO0.00%14,000$1Mtrimmed−69%—4 q