← All Investors
IONIS PHARMACEUTICALS INC
IONS 1.75 06-15-28
Holders
1
Combined Value
$87M
Combined Shares
58,000,000
Investor Activity
BUYSELLImplied priceClick a quarter to see who traded
Held By
| Investor | Value | % of Portfolio | Avg Buy Price | Gain | Last Activity | As of |
|---|---|---|---|---|---|---|
| Ken Griffin - Citadel Advisors | $87M | 0.01% | ~$1.51 | — | Bought Q1 2026 | Q1 2026 |
Recent Activity
| Quarter | Investor | Action | Est. Value | Est. Price |
|---|---|---|---|---|
| Q1 2026 | Ken Griffin - Citadel Advisors | NEW BUY | +$87M | ~$1.51 |
| Q1 2026 | Israel Englander - Millennium Management | SOLD OUT | −$24M | ~$1.59 |
| Q4 2025 | Israel Englander - Millennium Management | NEW BUY | +$24M | ~$1.59 |
| Q3 2024 | Ken Griffin - Citadel Advisors | SOLD OUT | −$13M | ~$1.10 |
| Q2 2024 | Ken Griffin - Citadel Advisors | NEW BUY | +$13M | ~$1.10 |
Ownership History
| Period | Holders | Total Shares | Δ Shares | Total Value | Implied Price |
|---|---|---|---|---|---|
| Q1 2026 | 1 | 58,000,000 | +274.2% | $87M | $1.51 |
| Q4 2025 | 1 | 15,500,000 | +26.9% | $24M | $1.59 |
| Q2 2024 | 1 | 12,218,000 | — | $13M | $1.10 |