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, Q4 2021
Institutional positions in Protagonist Therapeutics, Inc as of Dec 31, 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
- 149
- +17 vs. Q3 2021
- Shares held
- 49.4M
- +3.04M (+6.6%) vs. Q3 2021
- Total value
- $1.68B
- +$863.7M (+105.2%) vs. Q3 2021
- New holders
- 36
- 58 more added
- Sold out
- 19
- 36 more reduced
Compare with Q3 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, Q4 2021
Shares, value and share of portfolio for each institution holding Protagonist Therapeutics, Inc; share changes are against Q3 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Susquehanna Fundamental Investments, LLC | 18,524 | $634.0K | 0.02% | +5,509+42.3% | Added |
| Voya Investment Management LLC | 17,368 | $594.0K | 0.00% | −69−0.4% | Reduced |
| ProShare Advisors LLC | 16,489 | $564.0K | 0.00% | +597+3.8% | Added |
| PDT Partners, LLC | 16,018 | $548.0K | 0.04% | −13,682−46.1% | Reduced |
| Putnam Investments LLC | 15,484 | $529.0K | 0.00% | +15,484 | New |
| AQR Capital Management LLC | 15,177 | $519.0K | 0.00% | −26,500−63.6% | Reduced |
| MetLife Investment Management | 15,088 | $516.0K | 0.00% | 00.0% | Unchanged |
| STRS Ohio | 13,200 | $451.0K | 0.00% | 00.0% | Unchanged |
| Quantbot Technologies LP | 13,104 | $448.0K | 0.04% | +13,104 | New |
| DekaBank Deutsche Girozentrale | 14,400 | $439.0K | 0.00% | +400+2.9% | Added |
| Metropolitan Life Insurance Co | 11,747 | $401.7K | 0.01% | 00.0% | Unchanged |
| Arizona State Retirement System | 11,518 | $394.0K | 0.00% | +745+6.9% | Added |
| State Board of Administration of Florida Retirement System | 10,953 | $375.0K | 0.00% | +125+1.2% | Added |
| Ensign Peak Advisors, Inc | 10,680 | $365.0K | 0.00% | +10,680 | New |
| Belvedere Trading LLC | 11,948 | $350.0K | 0.08% | +763+6.8% | Added |
| Royal Bank of Canada | 10,067 | $345.0K | 0.00% | +5,282+110.4% | Added |
| Victory Capital Management Inc | 9,612 | $329.0K | 0.00% | +9,612 | New |
| Tower Research Capital LLC (TRC) | 8,835 | $302.0K | 0.01% | −3,298−27.2% | Reduced |
| Teacher Retirement System of Texas | 8,464 | $289.0K | 0.00% | +8,464 | New |
| Janus Henderson Group PLC | 8,014 | $274.0K | 0.00% | +8,014 | New |
| Amalgamated Bank | 7,879 | $269.0K | 0.00% | +7,879 | New |
| Kestra Advisory Services, LLC | 7,833 | $268.0K | 0.00% | +7,833 | New |
| Principal Financial Group Inc | 7,607 | $260.0K | 0.00% | +7,607 | New |
| Gladstone Institutional Advisory LLC | 7,506 | $257.0K | 0.02% | +7,506 | New |
| Coastal Bridge Advisors, LLC | 7,400 | $254.0K | 0.05% | +7,400 | New |
| Panagora Asset Management Inc | 7,225 | $247.0K | 0.00% | −24,212−77.0% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 6,293 | $215.0K | 0.00% | +3,864+159.1% | Added |
| Virtus ETF Advisers LLC | 5,521 | $189.0K | 0.07% | +351+6.8% | Added |
| Kessler Investment Group, LLC | 5,165 | $177.0K | 0.10% | 00.0% | Unchanged |
| Amundi | 4,053 | $141.0K | 0.00% | +4,053 | New |
| Ameritas Investment Partners, Inc. | 3,501 | $120.0K | 0.00% | +260+8.0% | Added |
| Cowen and Company, LLC | 3,178 | $109.0K | 0.01% | +3,178 | New |
| Great West Life Assurance Co | 1,982 | $68.0K | 0.00% | 00.0% | Unchanged |
| Simplex Trading, LLC | 1,804 | $61.0K | 0.00% | +1,804 | New |
| Central Trust Co | 1,625 | $56.0K | 0.00% | +1,625 | New |
| Captrust Financial Advisors | 1,153 | $39.0K | 0.00% | +1,110+2,581.4% | Added |
| Eagle Bay Advisors LLC | 1,000 | $34.0K | 0.02% | −240−19.4% | Reduced |
| Cubist Systematic Strategies, LLC | 546 | $19.0K | 0.00% | −571−51.1% | Reduced |
| Cutler Group LP | 584 | $19.0K | 0.00% | +484+484.0% | Added |
| Leonteq Securities AG | 470 | $16.1K | 0.00% | +470 | New |
| Macquarie Group Ltd | 307 | $10.0K | 0.00% | 00.0% | Unchanged |
| US Bancorp | 278 | $10.0K | 0.00% | +14+5.3% | Added |
| Truvestments Capital LLC | 250 | $9.00K | 0.00% | 00.0% | Unchanged |
| TCI Wealth Advisors, Inc. | 219 | $7.00K | 0.00% | +73+50.0% | Added |
| Daiwa Securities Group Inc. | 163 | $6.00K | 0.00% | 00.0% | Unchanged |
| Signaturefd, LLC | 46 | $2.00K | 0.00% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 57 | $2.00K | 0.00% | 00.0% | Unchanged |
| Northwestern Mutual Wealth Management Co | 16 | $1.00K | 0.00% | +16 | New |
| Covestor Ltd | 14 | $0 | 0.00% | +14 | New |
| Sphera Funds Management Ltd. | 0 | $0 | 0.00% | −260,379−100.0% | Sold out |
| Federated Hermes, Inc. | 0 | $0 | 0.00% | −131,282−100.0% | Sold out |
| Jabodon PT Co | 0 | $0 | 0.00% | −90,656−100.0% | Sold out |
| Sio Capital Management, LLC | 0 | $0 | 0.00% | −90,000−100.0% | Sold out |
| State of New Jersey Common Pension Fund D | 0 | $0 | 0.00% | −54,589−100.0% | Sold out |
| Cinctive Capital Management LP | 0 | $0 | 0.00% | −40,387−100.0% | Sold out |
| Integral Health Asset Management, LLC | 0 | $0 | 0.00% | −35,000−100.0% | Sold out |
| Occudo Quantitative Strategies LP | 0 | $0 | 0.00% | −23,876−100.0% | Sold out |
| Martingale Asset Management L P | 0 | $0 | 0.00% | −17,408−100.0% | Sold out |
| Bellwether Advisors, LLC | 0 | $0 | 0.00% | −13,630−100.0% | Sold out |
| Bingham Osborn & Scarborough LLC | 0 | $0 | 0.00% | −11,640−100.0% | Sold out |
| SG3 Management, LLC | 0 | $0 | 0.00% | −10,000−100.0% | Sold out |
| Lindbrook Capital, LLC | 0 | $0 | 0.00% | −2,450−100.0% | Sold out |
| O'Shaughnessy Asset Management, LLC | 0 | $0 | 0.00% | −2,162−100.0% | Sold out |
| Group One Trading, L.P. | 0 | $0 | 0.00% | −1,800−100.0% | Sold out |
| Penserra Capital Management LLC | 0 | $0 | 0.00% | −1,090−100.0% | Sold out |
| Harbour Investments, Inc. | 0 | $0 | 0.00% | −126−100.0% | Sold out |
| Ellevest, Inc. | 0 | $0 | 0.00% | −6−100.0% | Sold out |
| State of Wyoming | 0 | $0 | 0.00% | −26−100.0% | Sold out |