Who owns ADPTWhat ADPT owns — n/a
Who owns Adaptive Biotechnologies Corporation?
Institutional ownership of ADPT from SEC Form 13F filings across 213 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
80.1%
of shares outstanding (128.2M sh)
34
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30· % of fund = share of the manager's own book · % of co. = share of ADPT's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|
| 1 | VIKING GLOBAL INVESTORS LP | 30.0M | $643.4M | 1.8% | 18.7% | 0.0% |
| 2 | BlackRock, Inc. | 15.1M | $324.7M | 0.0% | 9.5% | +13.8% |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | 6.4M | $137.4M | 0.0% | 4% | -47.5% |
| 4 | WELLINGTON MANAGEMENT GROUP LLP | 5.9M | $126.8M | 0.0% | 3.7% | +53.2% |
| 5 | VANGUARD PORTFOLIO MANAGEMENT LLC | 5.5M | $117.5M | 0.0% | 3.4% | +21.9% |
| 6 | D. E. Shaw & Co., Inc. | 4.6M | $99.2M | 0.0% | 2.9% | +135.3% |
| 7 | GEODE CAPITAL MANAGEMENT, LLC | 3.6M | $78.1M | 0.0% | 2.3% | +0.2% |
| 8 | Invesco Ltd. | 3.1M | $66.4M | 0.0% | 1.9% | -30.5% |
| 9 | GOLDMAN SACHS GROUP INC | 3.0M | $64.0M | 0.0% | 1.9% | -8.0% |
| 10 | PRICE T ROWE ASSOCIATES INC /MD/ | 2.7M | $57,172 | 0.0% | 1.7% | +70.2% |
| 11 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 2.5M | $54.2M | 0.0% | 1.6% | +26.5% |
| 12 | LORD, ABBETT & CO. LLC | 2.5M | $53,085 | 0.2% | 1.5% | -30.0% |
| 13 | Nuveen, LLC | 2.4M | $50.8M | 0.0% | 1.5% | +81.4% |
| 14 | BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 2.2M | $46.8M | 0.0% | 1.4% | -18.8% |
| 15 | FRED ALGER MANAGEMENT, LLC | 2.1M | $44.9M | 0.1% | 1.3% | +1.4% |
| 16 | ARK Investment Management LLC | 2.1M | $44.8M | 0.3% | 1.3% | -0.1% |
| 17 | NOMURA ASSET MANAGEMENT INTERNATIONAL INC. | 1.9M | $40.5M | 0.1% | 1.2% | +0.4% |
| 18 | BANK OF AMERICA CORP /DE/ | 1.7M | $37.1M | 0.0% | 1.1% | +40.9% |
| 19 | JANE STREET GROUP, LLC | 1.6M | $34.1M | 0.0% | 1% | +133.2% |
| 20 | NORTHERN TRUST CORP | 1.5M | $32.3M | 0.0% | 0.9% | +8.3% |
| 21 | Sumitomo Mitsui Trust Group, Inc. | 1.3M | $28.5M | 0.0% | 0.8% | -16.6% |
| 22 | Amova Asset Management Americas, Inc. | 1.3M | $28.5M | 0.4% | 0.8% | -16.6% |
| 23 | Sixth Street Partners Management Company, L.P.NEW | 1.2M | $25.3M | 4.4% | 0.7% | new |
| 24 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 1.2M | $25.3M | 0.0% | 0.7% | +2.9% |
| 25 | AMERIPRISE FINANCIAL INC | 1.1M | $23.3M | 0.0% | 0.7% | -63.9% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.
