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IONS position history

The shares of Ionis Pharmaceuticals (IONS) that ARK Investment Management LLC reported in each quarter’s 13F.

Equity, COM

Shares held by quarter

New Add Reduce Exit

  1. 2021 Q3: 8,511,384 shares, $285M, 0.69% of portfolio
  2. 2021 Q4: 7,083,256 shares, $216M, 0.65% of portfolio, Reduce −16.8%
  3. 2022 Q1: 6,171,308 shares, $229M, 0.95% of portfolio, Reduce −12.9%
  4. 2022 Q2: 4,701,297 shares, $172M, 1.0% of portfolio, Reduce −23.8%
  5. 2022 Q3: 3,713,107 shares, $164M, 1.1% of portfolio, Reduce −21.0%
  6. 2022 Q4: 2,673,538 shares, $101M, 0.88% of portfolio, Reduce −28.0%
  7. 2023 Q1: 2,637,192 shares, $94M, 0.65% of portfolio, Reduce −1.4%
  8. 2023 Q2: 2,422,631 shares, $99M, 0.66% of portfolio, Reduce −8.1%
  9. 2023 Q3: 2,366,367 shares, $107M, 0.82% of portfolio, Reduce −2.3%
  10. 2023 Q4: 1,905,056 shares, $96M, 0.57% of portfolio, Reduce −19.5%
  11. 2024 Q1: 1,399,852 shares, $61M, 0.42% of portfolio, Reduce −26.5%
  12. 2024 Q2: 1,361,025 shares, $65M, 0.58% of portfolio, Reduce −2.8%
  13. 2024 Q3: 1,384,269 shares, $55M, 0.51% of portfolio, Add +1.7%
  14. 2024 Q4: 1,025,260 shares, $36M, 0.30% of portfolio, Reduce −25.9%
  15. 2025 Q1: 1,000,527 shares, $30M, 0.30% of portfolio, Reduce −2.4%
  16. 2025 Q2: 900,318 shares, $36M, 0.26% of portfolio, Reduce −10.0%
  17. 2025 Q3: 631,215 shares, $41M, 0.25% of portfolio, Reduce −29.9%
  18. 2025 Q4: 422,968 shares, $33M, 0.22% of portfolio, Reduce −33.0%
  19. 2026 Q1: 288,716 shares, $22M, 0.17% of portfolio, Reduce −31.7%
  20. 2026 Q2: 300,770 shares, $24M, 0.15% of portfolio, Add +4.2%
Holdings date Value % of holdings Shares Filing date All 13F holders