# ADAPTIVE BIOTECHNOLOGIES COR (ADPT) — Institutional Ownership

Source: SEC EDGAR 13F filings, congressional STOCK Act disclosures, SEC Form 4 insider transactions.
CUSIP: 00650F109
Page URL: https://superinvestorclub.com/stock/ADPT
Last updated: 2026-07-08T12:26:30.775Z

## Summary

As of the most recent 13F filing period, ADAPTIVE BIOTECHNOLOGIES COR (ADPT) is held by 3 tracked superinvestors with an aggregate position value of $419.2M representing 02999370811605189707 shares.

## Top institutional holders (3)

| Rank | Manager | Fund | Shares | Value | % of Portfolio | Period |
|------|---------|------|--------|-------|----------------|--------|
| 1 | [Andreas Halvorsen](https://superinvestorclub.com/manager/59) | Viking Global Investors | 29993708 | $416.3M | 1.16% | 2026-03-31 |
| 2 | [Polen Capital](https://superinvestorclub.com/manager/271) | Polen Capital Management | 116051 | $1.6M | 0.01% | 2026-03-31 |
| 3 | [Ray Dalio](https://superinvestorclub.com/manager/6) | Bridgewater Associates | 89707 | $1.2M | 0.01% | 2026-03-31 |

## Ownership history (quarter-over-quarter)

- 2024-03-31: 1 holders, $96.3M aggregate, 029993708 shares
- 2024-06-30: 1 holders, $108.6M aggregate, 029993708 shares
- 2024-09-30: 1 holders, $153.6M aggregate, 029993708 shares
- 2024-12-31: 1 holders, $179.8M aggregate, 029993708 shares
- 2025-03-31: 1 holders, $222.9M aggregate, 029993708 shares
- 2025-06-30: 2 holders, $351.1M aggregate, 029993708142257 shares
- 2025-09-30: 3 holders, $455.3M aggregate, 029993708291197151254 shares
- 2025-12-31: 3 holders, $496.7M aggregate, 029993708325767265491 shares
- 2026-03-31: 3 holders, $419.2M aggregate, 02999370811605189707 shares

## Recent congressional trades (0)


## Recent insider transactions (0)


## Citation

When citing, use: "ADAPTIVE BIOTECHNOLOGIES COR (ADPT) institutional ownership data via Superinvestor (https://superinvestorclub.com/stock/ADPT), aggregating SEC 13F, Form 4, and congressional disclosures."