4 hedge funds and family offices disclose a PTGX position in their latest SEC 13F filing — combined $19.2M in market value.
| # | Investor | Fund | Shares | Value | % of Portfolio | Filed |
|---|---|---|---|---|---|---|
| 1 | Stanley Druckenmiller | Duquesne Family Office LLC | 159,700 | $16.8M | 0.57% | 2026-03-31 |
| 2 | Polen Capital | Polen Capital Management LLC | 20,349 | $1.8M | 0.01% | 2025-12-31 |
| 3 | Ray Dalio | Bridgewater Associates LP | 5,276 | $556K | 0.00% | 2026-03-31 |
| 4 | Christopher Bloomstran | Semper Augustus Investments Group LLC | 181 | $16K | 0.00% | 2025-12-31 |
As of the latest 13F window, 4 tracked superinvestors hold PTGX. The largest disclosed position is Stanley Druckenmiller at $16.8M (0.6% of portfolio).
13F filings are due 45 days after each quarter end and capture long-equity positions held by U.S. institutional managers with $100M+ AUM. Use this page to see exactly who is buying PTGX, how concentrated each position is, and the implied conviction level relative to the rest of each investor's book.
Key takeaways
4 hedge funds and family offices disclose a PTGX position in their latest SEC 13F filing — combined $19.2M in market value.
| # | Investor | Fund | Shares | Value | % of Portfolio | Filed |
|---|---|---|---|---|---|---|
| 1 | Stanley Druckenmiller | Duquesne Family Office LLC | 159,700 | $16.8M | 0.57% | 2026-03-31 |
| 2 | Polen Capital | Polen Capital Management LLC | 20,349 | $1.8M | 0.01% | 2025-12-31 |
| 3 | Ray Dalio | Bridgewater Associates LP | 5,276 | $556K | 0.00% | 2026-03-31 |
| 4 | Christopher Bloomstran | Semper Augustus Investments Group LLC | 181 | $16K | 0.00% | 2025-12-31 |
As of the latest 13F window, 4 tracked superinvestors hold PTGX. The largest disclosed position is Stanley Druckenmiller at $16.8M (0.6% of portfolio).
13F filings are due 45 days after each quarter end and capture long-equity positions held by U.S. institutional managers with $100M+ AUM. Use this page to see exactly who is buying PTGX, how concentrated each position is, and the implied conviction level relative to the rest of each investor's book.
Key takeaways
