Protagonist TherapeuticsPTGX
13F holders, Q2 2026 (June 30)343holders +23
58new positions
36sold out
6famous investors
$122.57avg. 13F price*
At the end of Q2 2026, 343 institutions reported holding Protagonist Therapeutics Inc. (PTGX) in their 13F filings, up 23 from Q1 2026. 58 opened new positions and 36 sold out. The largest holders were BlackRock, Inc. ($1.3B), Farallon Capital Management, L.L.C. ($778.2M) and RTW Investments, LP ($620.4M). 6 famous investors held it, including Stanley Druckenmiller (0.6% of Duquesne Family Office's portfolio), Ken Fisher (0.0% of Fisher Asset Management's portfolio) and Joel Greenblatt (0.0% of Gotham Asset Management's portfolio).
- Company
- Protagonist Therapeutics Inc.
- CUSIP
- 74366E102
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2026 → Q2 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 58 | $114.0M |
| Exits | 36 | $346.7M |
All 13F filers, Q1 2026 → Q2 2026: 5,319,657 shares bought and 7,524,988 shares sold, net −2,205,331 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 343 holders
| BlackRock, Inc. | 0.02% | Add +5.4% | 10,307,837 | $1.3B |
| Farallon Capital Management, L.L.C. | 4.59% | No change | 6,348,906 | $778.2M |
| RTW Investments, LP | 5.30% | Add +0.0% | 5,061,175 | $620.4M |
| Vanguard Portfolio Management LLC | 0.02% | Add +4.3% | 3,629,298 | $444.9M |
| Wellington Management Group LLP | 0.07% | Reduce -5.1% | 3,416,781 | $418.8M |
| UBS Group AG | 0.07% | Reduce -34.4% | 3,399,221 | $416.7M |
| State Street Corp. | 0.01% | Add +6.6% | 3,321,554 | $407.2M |
| Vanguard Capital Management LLC | 0.01% | Add +1.7% | 2,853,394 | $349.8M |
| Johnson & Johnson | 37.59% | No change | 2,449,183 | $300.2M |
| Invesco Ltd. | 0.02% | Add +8.1% | 2,340,667 | $286.9M |
| T. Rowe Price Associates Inc. | 0.03% | Add +29.1% | 2,149,662 | $263.5M |
| Jupiter Topco LLC | 0.11% | — | 2,129,780 | $261.0M |
| Geode Capital Management, LLC | 0.01% | Add +4.3% | 1,741,209 | $213.5M |
| Woodline Partners LP | 0.54% | No change | 1,414,173 | $173.3M |
| Bank of America Corp. | 0.01% | Add +2.2% | 1,324,498 | $162.4M |
| Jennison Associates LLC | 0.08% | Add +7.4% | 1,151,681 | $141.2M |
| Perceptive Advisors LLC | 1.87% | Reduce -20.2% | 981,879 | $120.4M |
| ADAR1 Capital Management, LLC | 5.58% | Reduce -3.4% | 960,863 | $117.8M |
| Morgan Stanley | 0.01% | Reduce -11.0% | 905,992 | $111.1M |
| Alyeska Investment Group, L.P. | 0.28% | Add +49.9% | 889,298 | $109.0M |
| Hood River Capital Management LLC | 0.78% | Add +6.5% | 882,738 | $108.2M |
| Goldman Sachs Group Inc. | 0.01% | Add +4.3% | 812,852 | $99.6M |
| Driehaus Capital Management LLC | 0.52% | Add +1.4% | 731,053 | $89.6M |
| Clearbridge Investments, LLC | 0.07% | Add +16.6% | 725,335 | $88.9M |
| FMR LLC | 0.00% | Add +1.5% | 672,186 | $82.4M |
| Northern Trust Corp. | 0.01% | Add +13.3% | 666,105 | $81.7M |
| American Century Companies Inc. | 0.03% | Add +11.4% | 598,600 | $73.4M |
| Charles Schwab Investment Management Inc. | 0.01% | Add +5.6% | 583,774 | $71.6M |
| Voya Investment Management LLC | 0.07% | Add +25.8% | 571,618 | $70.1M |
| Pictet Asset Management Holding SA | 0.07% | Reduce -2.3% | 567,990 | $69.6M |
| Franklin Resources Inc. | 0.01% | Add +277.2% | 520,032 | $63.7M |
| Vanguard Fiduciary Trust Co. | 0.01% | Add +6.1% | 437,747 | $53.7M |
| Lord, Abbett & Co. LLC | 0.15% | Add +144.1% | 398,994 | $48.9M |
| Principal Financial Group Inc. | 0.02% | Add +4.7% | 385,262 | $47.2M |
| Bank of New York Mellon Corp | 0.01% | Add +4.9% | 358,300 | $43.9M |
| Neuberger Berman Group LLC | 0.02% | Add +113.8% | 302,427 | $37.1M |
| BNP Paribas Financial Markets | 0.02% | Add +55.0% | 301,472 | $37.0M |
| 683 Capital Management, LLC | 3.42% | Reduce -18.3% | 290,000 | $35.5M |
| Nuveen, LLC | 0.01% | Add +122.1% | 284,085 | $34.8M |
| Stephens Investment Management Group LLC | 0.37% | New | 281,832 | $34.5M |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 0.03% | Reduce -15.1% | 259,972 | $31.9M |
| Eagle Health Investments LP | 5.05% | Add +38.5% | 248,322 | $30.4M |
| NEXTBio Capital Management LP | 12.37% | Reduce -4.5% | 219,333 | $26.9M |
| Segall Bryant & Hamill, LLC | 0.31% | Add +0.9% | 214,724 | $26.3M |
| SEB Asset Management AB | 0.10% | Reduce -9.7% | 209,963 | $25.7M |
| Duquesne Family Office | 0.59% | Add +30.8% | 208,900 | $25.6M |
| Public Sector Pension Investment Board | 0.07% | Reduce -1.2% | 207,688 | $25.5M |
| Citigroup Inc. | 0.01% | Add +25.2% | 198,668 | $24.4M |
| JPMorgan Chase & Co. | 0.00% | Add +5.8% | 183,098 | $22.6M |
| Dimensional Fund Advisors LP | 0.00% | Reduce -64.9% | 178,152 | $21.8M |
| Affinity Asset Advisors, LLC | 1.05% | No change | 172,125 | $21.1M |
| Fisher Asset Management | 0.01% | Reduce -2.0% | 170,524 | $20.9M |
| Boxer Capital Management, LLC | 1.57% | No change | 170,000 | $20.8M |
| Raymond James Financial Inc. | 0.01% | Reduce -5.1% | 168,270 | $20.6M |
| Nan Fung Trinity (hk) Ltd. | 1.94% | No change | 160,670 | $19.7M |
| Ameriprise Financial Inc. | 0.00% | Reduce -1.3% | 143,810 | $17.6M |
| Deutsche Bank AG | 0.01% | Add +13.1% | 141,838 | $17.4M |
| Rhumbline Advisers | 0.01% | Reduce -10.3% | 141,279 | $17.3M |
| Nomura Asset Management International Inc. | 0.03% | New | 141,081 | $17.3M |
| TD Asset Management Inc | 0.01% | Reduce -26.5% | 134,950 | $16.5M |
| Kennedy Capital Management LLC | 0.29% | Reduce -2.3% | 134,019 | $16.4M |
| Legal & General Group Plc | 0.00% | Reduce -2.2% | 132,351 | $16.2M |
| Russell Investments Group, Ltd. | 0.01% | Add +185.9% | 115,425 | $14.1M |
| Marshall Wace, LLP | 0.01% | Reduce -82.6% | 109,017 | $13.4M |
| Manufacturers Life Insurance Company, The | 0.01% | Reduce -15.1% | 108,555 | $13.3M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Reduce -0.3% | 107,094 | $13.1M |
| Catalio Capital Management, LP | 2.46% | New | 106,799 | $13.1M |
| Swiss National Bank | 0.01% | Add +3.5% | 102,400 | $12.6M |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 0.02% | Reduce -3.3% | 102,002 | $12.5M |
| Opaleye Management Inc. | 1.11% | No change | 100,000 | $12.3M |
| Assetmark, Inc. | 0.02% | Add +112.5% | 98,687 | $12.1M |
| Sei Investments Co. | 0.01% | Add +11.5% | 92,749 | $11.4M |
| Algert Global LLC | 0.13% | Add +11.8% | 87,698 | $10.8M |
| Prudential Financial Inc. | 0.01% | Reduce -10.6% | 85,180 | $10.4M |
| Victory Capital Management Inc. | 0.01% | Add +0.4% | 83,883 | $10.3M |
| Axiom Investors LLC | 0.09% | Reduce -4.4% | 81,683 | $10.0M |
| Wells Fargo & Company | 0.00% | Add +139.2% | 71,944 | $8.8M |
| Alliancebernstein L.P. | 0.00% | Add +7.8% | 79,563 | $8.4M |
| Nordea Investment Management AB | 0.01% | Add +25.4% | 64,964 | $7.9M |
| Knott David M Jr | 4.08% | No change | 63,000 | $7.7M |
| Atika Capital Management LLC | 0.76% | No change | 62,100 | $7.6M |
| Moody Aldrich Partners LLC | 1.31% | Add +10.6% | 59,601 | $7.3M |
| California State Teachers Retirement System | 0.01% | Add +0.5% | 58,961 | $7.2M |
| Eversept Partners, LP | 0.39% | New | 58,504 | $7.2M |
| Susquehanna International Group, LLP | 0.01% | Reduce -66.0% | 57,062 | $7.0M |
| Great Lakes Advisors, LLC | 0.05% | Reduce -19.9% | 56,904 | $7.0M |
| Creative Planning | 0.00% | Add +17.1% | 56,185 | $6.9M |
| Bellevue Group AG | 0.14% | Add +285.4% | 55,682 | $6.8M |
| First Trust Advisors LP | 0.00% | Reduce -37.5% | 54,865 | $6.7M |
| KVP Capital Advisors, LP | 4.77% | No change | 53,000 | $6.5M |
| Bessemer Group Inc. | 0.01% | Reduce -3.9% | 52,074 | $6.4M |
| VANGUARD ASSET MANAGEMENT, Ltd | 0.00% | Add +11.3% | 51,639 | $6.3M |
| Castleark Management LLC | 0.17% | New | 50,570 | $6.2M |
| Granahan Investment Management, LLC | 0.22% | Add +81.8% | 49,809 | $6.1M |
| New York State Teachers Retirement System | 0.01% | Add +4.5% | 49,550 | $6.1M |
| Northwestern Mutual Wealth Management Co. | 0.00% | Reduce -0.3% | 48,894 | $6.0M |
| CANADA LIFE ASSURANCE Co | 0.01% | Add +1.3% | 48,045 | $5.9M |
| Silvercrest Asset Management Group LLC | 0.04% | Reduce -4.7% | 45,668 | $5.6M |
| Seven Fleet Capital Management LP | 0.92% | Add +1035.0% | 45,400 | $5.6M |
| Caption Management, LLC | 0.20% | New | 45,000 | $5.5M |
"% of holder's portfolio" is PTGX's weight in each manager's 13F, not the share of Protagonist Therapeutics Inc. the manager owns.