Protagonist Therapeutics Inc
PTGX · US
Protagonist Therapeutics Inc is held by 2 of the 24 tracked investors in their latest 13F filings. The largest position is Duquesne Family Office's at $25.6M, 0.49% of that portfolio. Versus the prior quarter, 2 added, 0 trimmed and 0 bought new.
Big investors holding this stock
Latest 13F of the 24 tracked investors. Common shares only.
| Investor | Value ($) | vs prior quarter |
|---|---|---|
| Duquesne Family Office weight 0.49% · Q2 2026 |
25.6M | ▲ 31% |
| Bridgewater Associates weight 0.00% · Q2 2026 |
1.1M | ▲ 76% |
Questions
Which big investors own Protagonist Therapeutics Inc?
Duquesne Family Office ($25.6M), Bridgewater Associates ($1.1M), per their latest 13F filings.
Does Warren Buffett own Protagonist Therapeutics Inc?
Berkshire Hathaway did not report it in its latest 13F.
Does Korea's National Pension Service own Protagonist Therapeutics Inc?
Not in its latest 13F.
Restated and computed from SEC (13F, 13D/G, Form 4) and DART filings and NPS public data. Filings describe a past date and may differ from current holdings (13F: quarter end, up to 45 days later). Not investment advice.
Sources: SEC EDGAR, DART, data.go.kr (NPS), OpenFIGI. See Methodology for how figures are computed.