Protagonist Therapeutics, Inc (NASDAQ:PTGX) has 303 institutional investors that have filed 13F reports for the period ending December 2025.
| Owner Name | Date | Shares Held | Change (QoQ) | Change (%) | Value (USD) |
|---|---|---|---|---|---|
| BlackRock, Inc. | 31 Mar, 2026 | 9,779,369 | 63,370 | 0.65% | $1,030,745,507.00 |
| BlackRock, Inc. | 31 Mar, 2026 | 9,715,999 | 311,767 | 3.32% | $848,595,367.00 |
| FARALLON CAPITAL MANAGEMENT LLC | 31 Mar, 2026 | 6,348,906 | 204,900 | 3.33% | $669,174,692.00 |
| FARALLON CAPITAL MANAGEMENT LLC | 31 Mar, 2026 | 6,144,006 | -6,248,006 | -50.42% | $536,617,484.00 |
| Janus Henderson Group Plc | 31 Mar, 2026 | 5,783,054 | 3,133,073 | 118.23% | $609,732,848.00 |
| VANGUARD GROUP INC | 31 Mar, 2026 | 5,413,690 | 1,156,461 | 27.16% | $472,831,684.00 |
| UBS Group AG | 31 Mar, 2026 | 5,177,796 | 2,407,775 | 86.92% | $545,739,698.00 |
| RTW INVESTMENTS, LP | 31 Mar, 2026 | 5,059,053 | -697,224 | -12.11% | $441,857,689.00 |
| RTW INVESTMENTS, LP | 31 Mar, 2026 | 5,059,053 | 0 | 0.00% | $533,224,186.00 |
| Johnson & Johnson | 31 Mar, 2026 | 4,898,366 | 0 | 0.00% | $427,823,286.00 |
| WELLINGTON MANAGEMENT GROUP LLP | 31 Mar, 2026 | 3,599,644 | 428,221 | 13.50% | $379,402,479.00 |
| State Street Corp | 31 Mar, 2026 | 3,199,729 | 33,934 | 1.07% | $279,464,331.00 |
| WELLINGTON MANAGEMENT GROUP LLP | 31 Mar, 2026 | 3,171,423 | 1,262,977 | 66.18% | $276,992,086.00 |
| State Street Corp | 31 Mar, 2026 | 3,116,749 | -82,980 | -2.59% | $328,505,345.00 |
| UBS Group AG | 31 Mar, 2026 | 2,770,021 | 874,013 | 46.10% | $241,933,634.00 |
| Janus Henderson Group Plc | 31 Mar, 2026 | 2,649,981 | 1,549,160 | 140.73% | $231,354,837.00 |
| Johnson & Johnson | 31 Mar, 2026 | 2,449,183 | -2,449,183 | -50.00% | $258,143,888.00 |
| Invesco Ltd. | 31 Mar, 2026 | 2,164,670 | 596,830 | 38.07% | $228,156,218.00 |
| ADAR1 Capital Management, LLC | 31 Mar, 2026 | 2,098,336 | 1,109,154 | 112.13% | $183,268,666.00 |
| Goldman Sachs Group Inc | 31 Mar, 2026 | 1,922,298 | 1,140,587 | 145.91% | $167,893,508.00 |