| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| BlackRock, Inc. | 7.9% | +17% | $194,757,356 | +$33,318,016 | 11,992,448 | +21% | BlackRock, Inc. | 31 Dec 2025 |
| Sumitomo Mitsui Trust Group, Inc. | 4.6% | $53,981,782 | 6,833,137 | Sumitomo Mitsui Trust Group, Inc. | 31 Dec 2024 | |||
| Nikko Asset Management Americas, Inc. | 4.6% | $53,981,782 | 6,833,137 | Nikko Asset Management Americas, Inc. | 31 Dec 2024 | |||
| INTEGRATED CORE STRATEGIES (US) LLC | 4.3% | $49,711,809 | 6,292,634 | Millennium Management LLC | 31 Dec 2024 | |||
| Rubric Capital Management LP | 4.1% | $72,889,139 | 6,256,847 | Rubric Capital Management LP | 30 Jun 2025 | |||
| ARK Investment Management LLC | 2.9% | -27% | $40,863,635 | -$15,506,311 | 4,398,669 | -28% | ARK Investment Management LLC | 31 May 2025 |
As of 31 Dec 2025, 280 institutional investors reported holding 150,278,155 shares of Adaptive Biotechnologies Corp - Common Stock (ADPT). This represents 99% of the company’s total 151,803,139 outstanding shares.
The largest institutional shareholders of Adaptive Biotechnologies Corp - Common Stock (ADPT) together control 73% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| VIKING GLOBAL INVESTORS LP | 20% | 29,993,708 | 0% | 1.3% | $487,097,818 |
| BlackRock, Inc. | 8.8% | 13,333,559 | -0.18% | 0% | $216,536,989 |
| VANGUARD GROUP INC | 7.4% | 11,282,152 | +0.06% | 0% | $183,222,148 |
| PRICE T ROWE ASSOCIATES INC /MD/ | 2.9% | 4,387,361 | +303% | 0.01% | $71,252,000 |
| WESTFIELD CAPITAL MANAGEMENT CO LP | 2.7% | 4,060,481 | 0.27% | $65,942,211 | |
| GEODE CAPITAL MANAGEMENT, LLC | 2.3% | 3,511,855 | +3.3% | 0% | $57,040,977 |
| STATE STREET CORP | 2.1% | 3,181,644 | +3.3% | 0% | $51,669,899 |
| Invesco Ltd. | 2% | 3,107,653 | +249% | 0.01% | $50,468,285 |
| LORD, ABBETT & CO. LLC | 2% | 3,080,759 | +151% | 0.15% | $50,032,000 |
| GOLDMAN SACHS GROUP INC | 1.9% | 2,902,269 | +54% | 0.01% | $47,132,848 |
| Driehaus Capital Management LLC | 1.8% | 2,760,387 | -8.6% | 0.3% | $44,828,685 |
| JENNISON ASSOCIATES LLC | 1.8% | 2,674,668 | +104% | 0.03% | $43,436,609 |
| AMERIPRISE FINANCIAL INC | 1.7% | 2,590,984 | -57% | 0.01% | $42,077,600 |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 1.6% | 2,422,089 | -0.79% | 0.02% | $39,334,725 |
| FRED ALGER MANAGEMENT, LLC | 1.5% | 2,245,418 | -11% | 0.14% | $36,465,588 |
| WELLINGTON MANAGEMENT GROUP LLP | 1.4% | 2,165,327 | +332% | 0.01% | $35,164,911 |
| ARK Investment Management LLC | 1.4% | 2,138,960 | -32% | 0.23% | $34,736,718 |
| Sumitomo Mitsui Trust Group, Inc. | 1.3% | 1,947,963 | -47% | 0.02% | $31,634,919 |
| Amova Asset Management Americas, Inc. | 1.3% | 1,947,963 | -47% | 0.37% | $31,615,439 |
| NOMURA ASSET MANAGEMENT INTERNATIONAL INC. | 1.3% | 1,940,376 | 0% | 0.05% | $31,512,000 |
| D. E. Shaw & Co., Inc. | 1.3% | 1,902,685 | +158% | 0.02% | $30,899,604 |
| Aristotle Atlantic Partners, LLC | 1.2% | 1,842,444 | -41% | 1.4% | $29,921,291 |
| Blue Water Life Science Advisors, LP | 1.2% | 1,765,145 | -18% | 18% | $28,665,955 |
| DEUTSCHE BANK AG\ | 1.1% | 1,734,465 | +1.2% | 0.01% | $28,167,711 |
| PBU - The Pension Fund of Early Childhood & Youth Educators | 1.1% | 1,650,303 | 0% | 1.8% | $26,800,921 |
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2025 Q4 | 150,278,155 | $2,440,576,416 | +$33,609,697 | $16.24 | 280 |
| 2025 Q3 | 145,446,098 | $2,175,468,177 | -$14,778,010 | $14.96 | 269 |
| 2025 Q2 | 148,178,882 | $1,726,248,551 | -$46,396,273 | $11.65 | 240 |
| 2025 Q1 | 152,930,142 | $1,136,093,247 | +$68,698,942 | $7.43 | 222 |
| 2024 Q4 | 143,282,424 | $858,588,192 | +$3,881,916 | $6.00 | 204 |
| 2024 Q3 | 143,105,692 | $732,467,776 | -$27,674,373 | $5.12 | 184 |
| 2024 Q2 | 148,655,164 | $538,029,201 | +$26,127,842 | $3.62 | 173 |
| 2024 Q1 | 142,447,362 | $456,622,976 | -$10,170,998 | $3.21 | 186 |
| 2023 Q4 | 143,639,172 | $703,966,709 | +$9,702,761 | $4.90 | 194 |
| 2023 Q3 | 140,492,459 | $765,707,625 | +$15,429,772 | $5.45 | 187 |
| 2023 Q2 | 137,082,822 | $919,786,637 | +$21,850,661 | $6.71 | 208 |
| 2023 Q1 | 133,849,942 | $1,179,397,231 | +$14,000,370 | $8.83 | 223 |
| 2022 Q4 | 132,787,161 | $1,014,264,343 | +$14,824,828 | $7.64 | 216 |
| 2022 Q3 | 131,007,037 | $931,519,109 | -$31,344,186 | $7.12 | 205 |
| 2022 Q2 | 134,391,278 | $1,083,708,756 | +$49,040,887 | $8.09 | 196 |
| 2022 Q1 | 125,563,937 | $1,741,620,797 | -$42,426,089 | $13.88 | 207 |
| 2021 Q4 | 123,444,543 | $3,462,001,567 | +$139,816,088 | $28.06 | 208 |
| 2021 Q3 | 117,860,461 | $4,003,739,752 | -$434,478 | $33.99 | 212 |
| 2021 Q2 | 117,427,979 | $4,796,005,013 | +$143,202,294 | $40.86 | 226 |
| 2021 Q1 | 113,768,226 | $4,579,995,207 | -$122,834,155 | $40.26 | 238 |
| 2020 Q4 | 114,044,316 | $6,743,577,628 | +$149,068,690 | $59.13 | 244 |
| 2020 Q3 | 111,322,127 | $5,410,179,736 | +$503,359,137 | $48.63 | 206 |
| 2020 Q2 | 101,046,823 | $4,886,712,149 | +$212,566,003 | $48.38 | 192 |
| 2020 Q1 | 96,830,392 | $2,689,585,555 | +$284,953,611 | $27.78 | 144 |
| 2019 Q4 | 86,210,177 | $2,579,382,908 | +$148,626,753 | $29.92 | 129 |
| 2019 Q3 | 81,041,176 | $2,492,319,624 | +$38,889,817 | $30.90 | 116 |
| 2019 Q2 | 78,228,081 | $3,735,247,853 | +$3,731,000,860 | $48.30 | 110 |
| 2019 Q1 | 103,941 | $4,247,000 | $40.86 | 1 | |
| 2016 Q4 | 0 | $0 | -$10,117 | $18.07 | 0 |
| 2016 Q3 | 235 | $10,117 | +$10,117 | $43.05 | 1 |