Protagonist Therapeutics, Inc
PTGX- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001377121
In the last 90 days, Protagonist Therapeutics, Inc insiders filed 0 open-market purchases and 3 sales; 346 institutions reported holding it in 13F filings for Q2 2026, worth $9.30B in total; Duquesne Family Office is the only superinvestor holding it.
13F holders, Q2 2021
Institutional positions in Protagonist Therapeutics, Inc as of Jun 30, 2021. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 139
- +12 vs. Q1 2021
- Shares held
- 48.2M
- +3.82M (+8.6%) vs. Q1 2021
- Total value
- $2.16B
- +$1.01B (+88.1%) vs. Q1 2021
- New holders
- 27
- 60 more added
- Sold out
- 15
- 36 more reduced
Compare with Q1 2021: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting PTGX on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 346 | $9.30B |
| Q1 2026 | 322 | $8.31B |
| Q4 2025 | 319 | $6.18B |
| Q3 2025 | 275 | $4.70B |
| Q2 2025 | 274 | $3.92B |
| Q1 2025 | 275 | $3.15B |
| Q4 2024 | 241 | $2.44B |
| Q3 2024 | 240 | $2.78B |
| Q2 2024 | 188 | $2.05B |
| Q1 2024 | 185 | $1.73B |
| Q4 2023 | 157 | $1.32B |
| Q3 2023 | 144 | $945.9M |
| Q2 2023 | 167 | $1.57B |
| Q1 2023 | 138 | $1.22B |
| Q4 2022 | 137 | $533.3M |
| Q3 2022 | 133 | $398.9M |
| Q2 2022 | 131 | $422.1M |
| Q1 2022 | 140 | $1.19B |
| Q4 2021 | 149 | $1.68B |
| Q3 2021 | 132 | $820.8M |
| Q2 2021 | 139 | $2.16B |
| Q1 2021 | 127 | $1.15B |
Institutions, Q2 2021
Shares, value and share of portfolio for each institution holding Protagonist Therapeutics, Inc; share changes are against Q1 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Arizona State Retirement System | 10,699 | $480.0K | 0.00% | +55+0.5% | Added |
| State Board of Administration of Florida Retirement System | 10,448 | $469.0K | 0.00% | +1,818+21.1% | Added |
| Vontobel Holding Ltd. | 10,000 | $449.0K | 0.00% | 00.0% | Unchanged |
| Birchview Capital, LP | 10,000 | $449.0K | 0.27% | 00.0% | Unchanged |
| STRS Ohio | 8,800 | $394.0K | 0.00% | −1,200−12.0% | Reduced |
| Martingale Asset Management L P | 8,308 | $374.0K | 0.00% | +8,308 | New |
| Amalgamated Bank | 7,807 | $350.0K | 0.00% | +7,807 | New |
| Barclays PLC | 7,405 | $333.0K | 0.00% | −30,461−80.4% | Reduced |
| Voloridge Investment Management, LLC | 6,504 | $292.0K | 0.00% | +6,504 | New |
| Virtus ETF Advisers LLC | 5,441 | $244.0K | 0.10% | −8,905−62.1% | Reduced |
| Winton Group Ltd | 5,431 | $244.0K | 0.01% | +5,431 | New |
| Schonfeld Strategic Advisors LLC | 5,000 | $224.0K | 0.00% | +5,000 | New |
| Gotham Asset Management, LLC | 4,793 | $215.0K | 0.01% | +4,793 | New |
| Engineers Gate Manager LP | 4,710 | $211.0K | 0.01% | +4,710 | New |
| Cubist Systematic Strategies, LLC | 3,900 | $175.0K | 0.00% | −10,800−73.5% | Reduced |
| Royal Bank of Canada | 3,330 | $149.0K | 0.00% | +6+0.2% | Added |
| Ameritas Investment Partners, Inc. | 3,241 | $145.0K | 0.01% | +340+11.7% | Added |
| SG Americas Securities, LLC | 2,810 | $126.0K | 0.00% | −5,915−67.8% | Reduced |
| FORA Capital, LLC | 2,731 | $123.0K | 0.02% | +2,731 | New |
| UBS Group AG | 2,671 | $120.0K | 0.00% | −41,902−94.0% | Reduced |
| O'Shaughnessy Asset Management, LLC | 2,403 | $108.0K | 0.00% | +197+8.9% | Added |
| Tower Research Capital LLC (TRC) | 2,046 | $92.0K | 0.00% | +499+32.3% | Added |
| Great West Life Assurance Co | 1,982 | $89.0K | 0.00% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 1,601 | $71.9K | 0.00% | −3,037−65.5% | Reduced |
| Eagle Bay Advisors LLC | 1,000 | $45.0K | 0.04% | +1,000 | New |
| Penserra Capital Management LLC | 1,000 | $44.0K | 0.00% | +30+3.1% | Added |
| Lindbrook Capital, LLC | 450 | $20.0K | 0.00% | −2,750−85.9% | Reduced |
| Nisa Investment Advisors, LLC | 450 | $20.0K | 0.00% | 00.0% | Unchanged |
| US Bancorp | 355 | $16.0K | 0.00% | 00.0% | Unchanged |
| Macquarie Group Ltd | 307 | $14.0K | 0.00% | −1,432−82.3% | Reduced |
| Hartford Financial Management Inc. | 300 | $13.0K | 0.00% | 00.0% | Unchanged |
| Truvestments Capital LLC | 250 | $11.0K | 0.01% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 230 | $11.0K | 0.00% | +37+19.2% | Added |
| State of Wyoming | 121 | $5.00K | 0.00% | +64+112.3% | Added |
| Daiwa Securities Group Inc. | 81 | $4.00K | 0.00% | 00.0% | Unchanged |
| TCI Wealth Advisors, Inc. | 95 | $4.00K | 0.00% | +32+50.8% | Added |
| Harbour Investments, Inc. | 75 | $3.00K | 0.00% | +2+2.7% | Added |
| Signaturefd, LLC | 46 | $2.00K | 0.00% | 00.0% | Unchanged |
| IFP Advisors, Inc | 8 | $0 | 0.00% | −34−81.0% | Reduced |
| Marshall Wace, LLP | 0 | $0 | 0.00% | −86,691−100.0% | Sold out |
| Artal Group S.A. | 0 | $0 | 0.00% | −75,000−100.0% | Sold out |
| California Public Employees Retirement System | 0 | $0 | 0.00% | −67,400−100.0% | Sold out |
| Canada Pension Plan Investment Board | 0 | $0 | 0.00% | −55,000−100.0% | Sold out |
| Los Angeles Capital Management LLC | 0 | $0 | 0.00% | −47,387−100.0% | Sold out |
| Marshall Wace North America L.P. | 0 | $0 | 0.00% | −44,385−100.0% | Sold out |
| Atom Investors LP | 0 | $0 | 0.00% | −30,542−100.0% | Sold out |
| Ameriprise Financial Inc | 0 | $0 | 0.00% | −28,488−100.0% | Sold out |
| Qube Research & Technologies Ltd | 0 | $0 | 0.00% | −13,465−100.0% | Sold out |
| Trexquant Investment LP | 0 | $0 | 0.00% | −10,522−100.0% | Sold out |
| Athanor Capital, LP | 0 | $0 | 0.00% | −8,748−100.0% | Sold out |
| Dynamic Technology Lab Private Ltd | 0 | $0 | 0.00% | −8,202−100.0% | Sold out |
| Pacer Advisors, Inc. | 0 | $0 | 0.00% | −1,780−100.0% | Sold out |
| Sowell Financial Services LLC | 0 | $0 | 0.00% | −1,000−100.0% | Sold out |
| Quantbot Technologies LP | 0 | $0 | 0.00% | −954−100.0% | Sold out |