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 2 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 |
|---|---|---|---|---|---|
| Bank of New York Mellon Corp | 146,330 | $6.57M | 0.00% | +12,735+9.5% | Added |
| International Biotechnology Trust PLC | 152,000 | $6.81M | 1.82% | 00.0% | Unchanged |
| Pinz Capital Management, LP | 196,000 | $8.80M | 2.65% | +196,000 | New |
| Commodore Capital LP | 210,600 | $9.45M | 3.29% | −139,000−39.8% | Reduced |
| D. E. Shaw & Co., Inc. | 248,235 | $11.1M | 0.01% | +47,255+23.5% | Added |
| Two Sigma Advisers, LP | 256,075 | $11.5M | 0.03% | −90,600−26.1% | Reduced |
| Charles Schwab Investment Management Inc | 281,378 | $12.6M | 0.00% | +19,791+7.6% | Added |
| Altium Capital Management LP | 282,445 | $12.7M | 2.94% | +44,091+18.5% | Added |
| Sphera Funds Management Ltd. | 302,965 | $13.6M | 1.29% | +100,831+49.9% | Added |
| Opaleye Management Inc. | 330,222 | $14.8M | 2.46% | +33,222+11.2% | Added |
| Laurion Capital Management LP | 337,109 | $15.1M | 0.24% | +189,704+128.7% | Added |
| Tri Locum Partners LP | 341,650 | $15.3M | 6.42% | +84,564+32.9% | Added |
| Rothschild & Co Asset Management US Inc. | 388,228 | $17.4M | 0.21% | −46,021−10.6% | Reduced |
| Goldman Sachs Group Inc | 391,943 | $17.6M | 0.00% | −22,191−5.4% | Reduced |
| Citadel Advisors LLC | 403,208 | $18.1M | 0.02% | +204,990+103.4% | Added |
| JPMorgan Chase & Co | 433,428 | $19.5M | 0.00% | −151,469−25.9% | Reduced |
| Northern Trust Corp | 444,585 | $20.0M | 0.00% | +29,072+7.0% | Added |
| Sofinnova Investments, Inc. | 449,082 | $20.2M | 1.22% | −205,818−31.4% | Reduced |
| Baker Bros. Advisors LP | 455,276 | $20.4M | 0.09% | −980,916−68.3% | Reduced |
| Loomis Sayles & Co L P | 536,920 | $24.1M | 0.03% | +536,920 | New |
| Adage Capital Partners GP, L.L.C. | 550,045 | $24.7M | 0.05% | −50,000−8.3% | Reduced |
| Novo Holdings A/S | 600,010 | $26.9M | 1.19% | −267,714−30.9% | Reduced |
| Geode Capital Management, LLC | 713,838 | $32.0M | 0.00% | +68,159+10.6% | Added |
| Obermeyer Wood Investment Counsel, LLLP | 761,018 | $34.2M | 1.90% | +374,946+97.1% | Added |
| Dimensional Fund Advisors LP | 791,016 | $35.5M | 0.01% | +134,915+20.6% | Added |
| Deutsche Bank AG | 821,722 | $36.9M | 0.02% | +796,161+3,114.7% | Added |
| Victory Capital Management Inc | 845,199 | $37.9M | 0.04% | +845,199 | New |
| Price T Rowe Associates Inc | 986,254 | $44.3M | 0.00% | +72,664+8.0% | Added |
| Point72 Asset Management, L.P. | 1,155,200 | $51.8M | 0.26% | +212,900+22.6% | Added |
| Deerfield Management Company, L.P. (Series C) | 1,362,790 | $61.2M | 1.09% | +104,000+8.3% | Added |
| State Street Corp | 1,454,620 | $65.3M | 0.00% | −258,063−15.1% | Reduced |
| Vanguard Group Inc | 2,288,034 | $102.7M | 0.00% | +147,487+6.9% | Added |
| Farallon Capital Management, L.L.C. | 2,329,680 | $104.6M | 0.50% | −95,320−3.9% | Reduced |
| Johnson & Johnson Innovation - JJDC, Inc. | 2,449,183 | $109.9M | 11.24% | 00.0% | Unchanged |
| BlackRock Inc. | 3,040,541 | $136.5M | 0.00% | +38,912+1.3% | Added |
| Consonance Capital Management LP | 3,446,874 | $154.7M | 18.62% | +737,165+27.2% | Added |
| RTW Investments, LP | 3,507,390 | $157.4M | 2.38% | 00.0% | Unchanged |
| BVF Inc | 3,754,095 | $168.5M | 6.31% | −205,356−5.2% | Reduced |
| FMR LLC | 7,116,383 | $319.4M | 0.03% | +545,156+8.3% | Added |
| 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 |