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Adaptive Biotechnologies ADPT · USD

Health Care · US listing · 🇺🇸 United States

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30.26

+8.15%

Close of 9 Nov 2026, in USD

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Reference data, closing prices and charts across 45,000 companies, plus crypto, commodities and currencies.

Largest shareholders

As filed, so dates differ, and a group and its funds can both appear.

HolderSharesStakeChangeFiled
VIKING GLOBAL INVESTORS LP30m19.50%—31 Mar 2026
BLACKROCK, INC.13.3m8.65%−30.5k31 Mar 2026
VANGUARD CAPITAL MANAGEMENT LLC6.1m3.96%+6.1m31 Mar 2026
WESTFIELD CAPITAL MANAGEMENT CO LP5.4m3.54%+1.4m31 Mar 2026
VANGUARD PORTFOLIO MANAGEMENT LLC4.5m2.92%+4.5m31 Mar 2026
INVESCO LTD.4.5m2.89%+1.3m31 Mar 2026
WELLINGTON MANAGEMENT GROUP LLP3.9m2.51%+1.7m31 Mar 2026
GEODE CAPITAL MANAGEMENT, LLC3.6m2.36%+124.2k31 Mar 2026
LORD, ABBETT & CO. LLC3.5m2.30%+455.3k31 Mar 2026
GOLDMAN SACHS GROUP INC3.2m2.11%+339.8k31 Mar 2026
STATE STREET CORP3.2m2.10%+45.6k31 Mar 2026
AMERIPRISE FINANCIAL INC3m1.96%+426.4k31 Mar 2026
BNP PARIBAS ASSET MANAGEMENT HOLDING S.A.2.7m1.75%+2.7m31 Mar 2026
ARK INVESTMENT MANAGEMENT LLC2.1m1.36%−46k31 Mar 2026
FRED ALGER MANAGEMENT, LLC2.1m1.34%−182.3k31 Mar 2026

Insider trades

Purchases and sales by directors and officers, as filed with the regulator

DateWhoTypeSharesPriceValue
2 Apr 2026 ↗RUBINSTEIN JULIEPresident and COOSale19.1k14.60$278,276
1 Apr 2026 ↗RUBINSTEIN JULIEPresident and COOSale19.1k14.45$275,417
31 Mar 2026 ↗RUBINSTEIN JULIEPresident and COOSale19.1k13.45$256,357
30 Mar 2026 ↗RUBINSTEIN JULIEPresident and COOSale19.1k12.63$240,728
27 Mar 2026 ↗RUBINSTEIN JULIEPresident and COOSale19.1k13.34$254,218
26 Mar 2026 ↗RUBINSTEIN JULIEPresident and COOSale19.1k14.12$269,127
25 Mar 2026 ↗RUBINSTEIN JULIEPresident and COOSale19.1k14.27$271,986
24 Mar 2026 ↗RUBINSTEIN JULIEPresident and COOSale19.1k13.70$261,122
23 Mar 2026 ↗RUBINSTEIN JULIEPresident and COOSale19.1k13.83$263,600
20 Mar 2026 ↗RUBINSTEIN JULIEPresident and COOSale19.1k13.37$254,832
19 Mar 2026 ↗RUBINSTEIN JULIEPresident and COOSale19.1k13.18$251,211
18 Mar 2026 ↗RUBINSTEIN JULIEPresident and COOSale19.1k13.18$251,211
17 Mar 2026 ↗RUBINSTEIN JULIEPresident and COOSale19.1k13.40$255,404
16 Mar 2026 ↗RUBINSTEIN JULIEPresident and COOSale19.1k13.41$255,595
13 Mar 2026 ↗RUBINSTEIN JULIEPresident and COOSale19.1k12.96$247,018

Short interest

Shares sold short, 15 Oct 2026. US exchange data.

12m

+1.3% on the period before. 5.0 days to cover.

Short volume

Share of the day's trading sold short, 4 Nov 2026

44.7%

Last 60 trading days.

Failed deliveries

Shares not delivered on settlement, from the SEC

  • 24 Sept 202615 shares
  • 8 Sept 20266,479 shares
  • 27 Aug 2026153 shares
  • 24 Aug 2026480 shares
  • 14 Aug 20262,591 shares

Sources and methodology

Data on this tab
Our data supplier
Chart on the Overview
TradingView

Nothing here is investment advice. Prices can be delayed or wrong, so check with the exchange before relying on them. Data for this page. How we cover markets.