ADAPTIVE BIOTECHNOLOGIES (ADPT) Stock Institutional Trading Activity
ADAPTIVE BIOTECHNOLOGIES (ADPT) position changes reported by tracked institutional filers across multiple SEC 13F reporting periods. Based on recent SEC 13F filings (Q4 2025), investors with some of the largest reported share count changes include Polen Capital Management, ARK Invest, Renaissance Technologies LLC, and Viking Global Investors. Explore insights into buying and selling patterns, position changes, and investment conviction levels to understand institutional trading behavior and market dynamics.
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- ADAPTIVE BIOTECHNOLOGIES (ADPT) stock institutional ownership
- ADAPTIVE BIOTECHNOLOGIES (ADPT) stock insider trading activity
- Stock rankings
| Portfolio quarter | Name | Type | Quantity | Remaining | Reported stock balance |
|---|---|---|---|---|---|
| Q1 2022 | Renaissance Technologies LLC | Buy | 295,400 | 455,600 | $6,324 |
| Q1 2022 | ARK Invest | Buy | 2,011,798 | 7,709,666 | $107,010 |
| Q4 2021 | ARK Invest | Buy | 841,447 | 5,697,868 | $159,882 |
| Q3 2021 | ARK Invest | Buy | 489,444 | 4,856,421 | $165,070 |
| Q2 2021 | ARK Invest | Buy | 893,067 | 4,366,977 | $178,435 |
| Q1 2021 | Renaissance Technologies LLC | Buy | 160,200 | 160,200 | $6,450 |
| Q1 2021 | ARK Invest | Buy | 1,928,207 | 3,473,910 | $139,860 |
| Q4 2020 | Viking Global Investors | Sell | -3,500,000 | 29,993,708 | $1,773,528 |
| Q4 2020 | ARK Invest | Buy | 660,981 | 1,545,703 | $91,397 |
| Q3 2020 | ARK Invest | Buy | 575,584 | 884,722 | $43,024 |
| Q2 2020 | ARK Invest | Buy | 309,138 | 309,138 | $14,956 |
| Q1 2020 | Viking Global Investors | Sell | -4,912,899 | 33,493,708 | $930,455 |
| Q2 2019 | Viking Global Investors | Buy | 38,406,607 | 38,406,607 | $1,855,039 |
Frequently asked questions about ADPT activity
Which institutional owners are buying ADPT?
Institutional owners buying ADPT include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.
What does "buy" mean in ADPT activity?
"Buy" means an investor increased their reported position in ADPT compared to the prior reporting period. This reflects growing exposure to ADAPTIVE BIOTECHNOLOGIES (ADPT) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).
Is institutional interest in ADPT increasing?
Institutional interest in ADPT can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.