PTGX — PROTAGONIST THERAPEUTICS INC
Public company
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Famous investors holding PTGX
| Investor | Firm | Shares | Market value | % of portfolio | As of |
|---|---|---|---|---|---|
| Ken Griffin | Citadel Advisors | 1.2M | $106.7B | 0.06% | Dec 31, 2025 |
| Stanley Druckenmiller | Duquesne Family Office | 159.7K | $13.9M | 0.31% | Dec 31, 2025 |
Recent activity
| Investor | Action | Δ % | Current value | Filing date |
|---|---|---|---|---|
| Stanley Druckenmiller | New | — | $10.6M | Nov 14, 2025 |
| Stanley Druckenmiller | New | — | $13.9M | Feb 17, 2026 |