# ADAPTIVE BIOTECHNOLOGIES COR COM

ADAPTIVE BIOTECHNOLOGIES COR COM is a security (CUSIP 00650F109) tracked across SEC portfolio filings. 297 institutional managers reported $2.0B on Form 13F as of 2026-06-30; 35 registered fund positions totaling $153.9M via N-PORT as of 2026-05-31.

## Summary

- Issuer: ADAPTIVE BIOTECHNOLOGIES COR
- Class: COM
- CUSIP: 00650F109
- Asset category: EC
- 13F holders: 297
- 13F value: $2.0B
- 13F period: 2026-06-30
- N-PORT fund positions: 35
- N-PORT value: $153.9M
- N-PORT report: 2026-05-31

## Top institutional holders (Form 13F)

_Showing 15 of 297 managers by value._

| Manager | Location | Value | Shares |
| --- | --- | --- | --- |
| [VIKING GLOBAL INVESTORS LP](https://search.stillhousedata.com/firm/132272) | STAMFORD, CT | $416.3M | 29,993,708 |
| BlackRock, Inc. | New York, NY | $184.6M | 13,303,025 |
| [VANGUARD GROUP INC](https://search.stillhousedata.com/firm/105958) | Valley Forge, PA | $183.2M | 11,282,152 |
| [WESTFIELD CAPITAL MANAGEMENT CO LP](https://search.stillhousedata.com/firm/146990) | BOSTON, MA | $75.5M | 5,436,718 |
| WELLINGTON MANAGEMENT GROUP LLP | BOSTON, MA | $53.5M | 3,857,422 |
| [GEODE CAPITAL MANAGEMENT, LLC](https://search.stillhousedata.com/firm/115504) | BOSTON, MA | $50.5M | 3,636,054 |
| GOLDMAN SACHS GROUP INC | NEW YORK, NY | $45.0M | 3,242,077 |
| STATE STREET CORP | BOSTON, MA | $44.8M | 3,227,245 |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | Paris, I0 | $37.3M | 2,688,081 |
| ARK Investment Management LLC | St. Petersburg, FL | $29.1M | 2,092,969 |
| [FRED ALGER MANAGEMENT, LLC](https://search.stillhousedata.com/firm/106750) | NEW YORK, NY | $28.6M | 2,063,146 |
| Sumitomo Mitsui Trust Group, Inc. | CHIYODA-KU, TOKYO, M0 | $28.5M | 1,329,856 |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | BOSTON, MA | $27.7M | 1,995,202 |
| D. E. Shaw & Co., Inc. | New York, NY | $27.3M | 1,965,610 |
| NOMURA ASSET MANAGEMENT INTERNATIONAL INC. | PHILADELPHIA, PA | $26.1M | 1,881,183 |

## Top fund holders (N-PORT)

_Showing 15 of 35 fund positions by value._

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| [LORD ABBETT DEVELOPING GROWTH FUND INC](https://search.stillhousedata.com/fund/S000006834) | LORD ABBETT DEVELOPING GROWTH FUND, INC. | $23.9M | 107.81% |
| [VANGUARD EXTENDED MARKET INDEX FUND](https://search.stillhousedata.com/fund/S000002841) | VANGUARD INDEX FUNDS | $18.4M | 2.26% |
| [Master Focus Growth LLC](https://search.stillhousedata.com/fund/S000002341) | Master Focus Growth LLC | $16.9M | 90.19% |
| [Columbia Acorn Fund](https://search.stillhousedata.com/fund/S000009184) | COLUMBIA ACORN TRUST | $15.9M | 70.99% |
| [VANGUARD RUSSELL 2000 INDEX FUND](https://search.stillhousedata.com/fund/S000030003) | VANGUARD SCOTTSDALE FUNDS | $11.6M | 6.64% |
| [Oberweis Micro-Cap Fund](https://search.stillhousedata.com/fund/S000010231) | OBERWEIS FUNDS | $10.8M | 102.37% |
| abrdn Healthcare Investors | abrdn Healthcare Investors | $9.4M | 82.48% |
| [Optimum Small-Mid Cap Growth Fund](https://search.stillhousedata.com/fund/S000002424) | Optimum Fund Trust | $5.7M | 74.53% |
| [T. Rowe Price Small-Cap Stock Fund, Inc.](https://search.stillhousedata.com/fund/S000002120) | T. ROWE PRICE SMALL-CAP STOCK FUND, INC. | $5.6M | 6.92% |
| abrdn Life Sciences Investors | abrdn Life Sciences Investors | $5.5M | 97.75% |
| [VANGUARD EXPLORER FUND](https://search.stillhousedata.com/fund/S000002578) | VANGUARD EXPLORER FUND | $5.1M | 2.35% |
| [Master Small Cap Index Series](https://search.stillhousedata.com/fund/S000002716) | Quantitative Master Series LLC | $3.3M | 6.94% |
| [Bridge Builder Tax Managed Small/Mid Cap Fund](https://search.stillhousedata.com/fund/S000076295) | Bridge Builder Trust | $3.3M | 10.87% |
| [T. Rowe Price Institutional Small-Cap Stock Fund](https://search.stillhousedata.com/fund/S000002094) | T. Rowe Price Equity Funds, Inc. | $3.1M | 7.04% |
| [Embark Small Cap Equity Fund](https://search.stillhousedata.com/fund/S000083503) | Harbor Funds II | $1.7M | 29.17% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/00650f109.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.