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Who owns Adaptive Biotechnologies (ADPT) stock

282 funds reported Adaptive Biotechnologies (ADPT) shares in their latest 13F filings, worth $3.5B in all. The largest holder is Viking Global Investors LP ($643M). Last quarter 137 funds added to their stakes and 122 cut them.

Largest holders of ADPT (13F)Largest holders of ADPT (13F)Viking Global Investors LP$643MBlackRock$325MVanguard Group$183MVanguard Capital Management LLC$137MWellington Management Group LLP$127MVanguard Portfolio Management LLC$117MD. E. Shaw$99.2MWestfield Capital Management Co LP$91.5MGeode Capital Management, LLC$78.1MState Street$74.2M

Largest holders (13F)

FundSharesValueChangeQuarter
Viking Global Investors LP29,993,708$643Munchanged2026-06-30
BlackRock15,139,159$325Mincrease2026-06-30
Vanguard Group11,282,152$183Mincrease2025-12-31
Vanguard Capital Management LLC6,403,587$137Mincrease2026-06-30
Wellington Management Group LLP5,911,366$127Mincrease2026-06-30
Vanguard Portfolio Management LLC5,476,231$117Mincrease2026-06-30
D. E. Shaw4,625,859$99.2Mincrease2026-06-30
Westfield Capital Management Co LP4,267,645$91.5Mdecrease2026-06-30
Geode Capital Management, LLC3,641,837$78.1Mincrease2026-06-30
State Street3,458,388$74.2Mincrease2026-06-30
Invesco3,094,011$66.4Mdecrease2026-06-30
Goldman Sachs Group2,984,227$64.0Mdecrease2026-06-30
Price T Rowe Associates2,665,308$57.2Mincrease2026-06-30
Driehaus Capital Management LLC2,527,703$54.2Mincrease2026-06-30
Arrowstreet Capital, Limited Partnership2,524,620$54.2Mincrease2026-06-30

Adaptive Biotechnologies' latest quarter

Adaptive Biotechnologies, Q3 2026: revenue $83.9M (-11% year over year), operating margin -0.5%, net earnings $2.8M, operating cash flow $9.6M. The chart follows the revenue to costs, profit and cash.

Questions

Who owns the most ADPT stock?

By the latest 13F filings: Viking Global Investors LP ($643M); BlackRock ($325M); Vanguard Group ($183M); Vanguard Capital Management LLC ($137M); Wellington Management Group LLP ($127M).

What is the short interest in ADPT?

11,991,988 shares were sold short at the 2026-10-15 settlement, 1.25% of the float.

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Updated Nov 8, 2026. Read automatically from SEC filings and public data; errors are possible. Not investment advice.