PROTAGONIST THERAPEUTICS INC PTGX
$131.62
+5.2% 52w: $56.04 – $131.62
Latest 13F among current holders filed 8 days ago (Aug 25, 2026)
Price — last 12 months
research preview data56.0493.83131.62
Aug 18, 2025 Jul 2, 2026
Institutional holders
324
+3 QoQ
13F value
$8.32B
+34.6% QoQ
Smart-money holders
30
signal tier ≥ 2
New smart buyers
3
Q1 2026
Options barometer
3.3×
$36.4M calls / $11.1M puts
Institutional value by quarter
Number of holders
Who owns PTGX?
Q1 2026 filings| Fund | Type | Shares | Value | % of fund | Change |
|---|---|---|---|---|---|
| BlackRock, Inc. | Index provider | 9.8M | $1.03B | 0.0% | +0.7% |
| FARALLON CAPITAL MANAGEMENT, L.L.C. ★2 | Fundamental diversified | 6.3M | $669.2M | — | +3.3% |
| UBS Group AG | Bank broker | 5.2M | $545.7M | 0.1% | +86.9% |
| RTW INVESTMENTS, LP ★2 | Fundamental diversified | 5.1M | $533.2M | — | Held |
| WELLINGTON MANAGEMENT GROUP LLP | Long only active | 3.6M | $379.4M | 0.1% | +13.5% |
| VANGUARD PORTFOLIO MANAGEMENT LLC | Diversified mechanical | 3.5M | $366.9M | — | — |
| STATE STREET CORP | Index provider | 3.1M | $328.5M | 0.0% | -2.6% |
| JANUS HENDERSON GROUP PLC | Diversified mechanical | 2.9M | $304.9M | — | +9.1% |
| VANGUARD CAPITAL MANAGEMENT LLC | Diversified mechanical | 2.8M | $295.7M | — | — |
| JOHNSON & JOHNSON ★3 | Fundamental concentrated | 2.4M | $258.1M | — | Held |
| Invesco Ltd. | Index provider | 2.2M | $228.2M | 0.0% | +38.1% |
| GEODE CAPITAL MANAGEMENT, LLC | Index provider | 1.7M | $176.0M | — | +14.9% |
| PRICE T ROWE ASSOCIATES INC /MD/ | Diversified mechanical | 1.7M | $175.5M | 0.0% | +18.9% |
| CITADEL ADVISORS LLC | Multistrat pod | 1.6M | $163.6M | 0.1% | +37.7% |
| Woodline Partners LP | Other | 1.4M | $149.1M | — | +0.4% |
| BANK OF AMERICA CORP /DE/ | Bank broker | 1.3M | $136.5M | 0.0% | +49.3% |
| PERCEPTIVE ADVISORS LLC ★2 | Fundamental diversified | 1.2M | $129.7M | — | -8.9% |
| JENNISON ASSOCIATES LLC | Other | 1.1M | $113.0M | 0.1% | +223.7% |
| MORGAN STANLEY | Bank broker | 1.0M | $107.3M | 0.0% | +15.8% |
| ADAR1 Capital Management, LLC | Other | 994.1K | $104.8M | 6.3% | -5.2% |
| Hood River Capital Management LLC | Other | 829.3K | $87.4M | — | New |
| GOLDMAN SACHS GROUP INC | Bank broker | 778.9K | $82.1M | 0.0% | -19.0% |
| Driehaus Capital Management LLC | Other | 720.9K | $76.0M | — | -34.4% |
| FMR LLC | Long only active | 662.0K | $69.8M | 0.0% | +22.6% |
| MARSHALL WACE, LLP | Quant stat arb | 628.1K | $66.2M | — | -38.7% |
| Clearbridge Investments, LLC | Other | 621.8K | $65.5M | 0.1% | +26.9% |
| Alyeska Investment Group, L.P. | Quant stat arb | 593.2K | $62.5M | — | +197.3% |
| NORTHERN TRUST CORP | Index provider | 588.0K | $62.0M | 0.0% | +2.2% |
| Pictet Asset Management Holding SA | Diversified mechanical | 581.1K | $61.2M | — | +9.7% |
| Nationale-Nederlanden Powszechne Towarzystwo Emerytalne S.A. ★3 | Fundamental concentrated | 571.8K | $60.3M | — | Held |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | Index provider | 553.0K | $58.3M | — | -0.7% |
| AMERICAN CENTURY COMPANIES INC | Diversified mechanical | 537.3K | $56.6M | — | +0.4% |
| DIMENSIONAL FUND ADVISORS LP | Quant stat arb | 508.1K | $53.5M | — | +22.6% |
| VOYA INVESTMENT MANAGEMENT LLC | Diversified mechanical | 454.4K | $47.9M | 0.1% | +24.1% |
| Rubric Capital Management LP ★2 | Fundamental diversified | 428.0K | $45.1M | — | New |
| VANGUARD FIDUCIARY TRUST CO | Diversified mechanical | 412.7K | $43.5M | — | — |
| PRINCIPAL FINANCIAL GROUP INC | Diversified mechanical | 367.8K | $38.8M | 0.0% | +5.7% |
| 683 Capital Management, LLC ★2 | Fundamental diversified | 355.0K | $37.4M | — | -6.7% |
| Bank of New York Mellon Corp | Diversified mechanical | 341.5K | $36.0M | 0.0% | -2.5% |
| Vestal Point Capital, LP ★2 | Fundamental diversified | 326.2K | $34.4M | — | New |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | Bank broker | 306.0K | $32.3M | 0.0% | -7.5% |
| ADAGE CAPITAL PARTNERS GP, L.L.C. | Other | 282.4K | $29.8M | — | +21.3% |
| SEB Asset Management AB | Other | 232.4K | $24.5M | — | — |
| NEXTBio Capital Management LP ★3 | Fundamental concentrated | 229.6K | $24.2M | — | Held |
| SEGALL BRYANT & HAMILL, LLC | Other | 212.7K | $22.4M | — | +64.8% |
| Public Sector Pension Investment Board | Pension sovereign | 210.3K | $22.2M | 0.1% | +3.4% |
| Holocene Advisors, LP | Other | 209.9K | $22.1M | 0.1% | 0.0% |
| BNP PARIBAS FINANCIAL MARKETS | Bank broker | 194.5K | $20.5M | 0.0% | +99.0% |
| TD Asset Management Inc | Diversified mechanical | 183.7K | $19.4M | 0.0% | +15.7% |
| Eagle Health Investments LP ★3 | Fundamental concentrated | 179.3K | $18.9M | — | +213.0% |
Exits are not a bearish signal: our backtest shows stocks specialists exit keep outperforming for 3+ quarters — selling usually means profit-taking, not a forecast.
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