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IONS position history

The shares of Ionis Pharmaceuticals (IONS) that Tweedy, Browne Co LLC reported in each quarter’s 13F.

Equity, COM

Shares held by quarter

New Add Reduce Exit

  1. 2022 Q1: 2,925,102 shares, $108M, 3.5% of portfolio, New
  2. 2022 Q2: 2,726,778 shares, $101M, 4.1% of portfolio, Reduce −6.8%
  3. 2022 Q3: 2,722,988 shares, $120M, 5.3% of portfolio, Reduce −0.1%
  4. 2022 Q4: 3,541,136 shares, $134M, 7.1% of portfolio, Add +30.0%
  5. 2023 Q1: 3,541,046 shares, $127M, 6.9% of portfolio, Reduce 0.0%
  6. 2023 Q2: 3,540,858 shares, $145M, 7.6% of portfolio, Reduce 0.0%
  7. 2023 Q3: 3,510,173 shares, $159M, 8.5% of portfolio, Reduce −0.9%
  8. 2023 Q4: 3,454,676 shares, $175M, 8.5% of portfolio, Reduce −1.6%
  9. 2024 Q1: 3,454,676 shares, $150M, 7.0% of portfolio
  10. 2024 Q2: 3,454,676 shares, $165M, 7.6% of portfolio
  11. 2024 Q3: 3,454,676 shares, $138M, 6.6% of portfolio
  12. 2024 Q4: 3,248,863 shares, $114M, 7.7% of portfolio, Reduce −6.0%
  13. 2025 Q1: 2,983,518 shares, $90M, 8.0% of portfolio, Reduce −8.2%
  14. 2025 Q2: 2,891,948 shares, $114M, 10.6% of portfolio, Reduce −3.1%
  15. 2025 Q3: 2,901,216 shares, $190M, 16.5% of portfolio, Add +0.3%
  16. 2025 Q4: 2,464,930 shares, $195M, 15.7% of portfolio, Reduce −15.0%
  17. 2026 Q1: 2,275,625 shares, $171M, 13.6% of portfolio, Reduce −7.7%
  18. 2026 Q2: 2,280,311 shares, $181M, 13.7% of portfolio, Add +0.2%
Holdings date Value % of holdings Shares Filing date All 13F holders