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Puma Biotechnology PBYI · USD

Health Care · US listing · 🇺🇸 United States

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8.40

+1.82%

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
Auerbach (Alan H)6.9m13.69%−47.2k9 Jul 2025
Acorn Capital Advisors, LLC4.1m8.20%+191.2k30 Jun 2025
The Vanguard Group, Inc.3.7m7.36%+37.2k30 Jun 2025
BlackRock Institutional Trust Company, N.A.3m5.95%−4.1k30 Jun 2025
Acadian Asset Management LLC2m3.99%—30 Jun 2025
Renaissance Technologies LLC1.9m3.72%+45.5k30 Jun 2025
American Century Investment Management, Inc.1.3m2.66%+192.6k30 Jun 2025
Dimensional Fund Advisors, L.P.1.2m2.28%+261.4k30 Jun 2025
Kennedy Capital Management LLC987k1.96%+75.9k30 Jun 2025
Geode Capital Management, L.L.C.971.7k1.93%+16.2k30 Jun 2025
Connor, Clark & Lunn Investment Management Ltd.900.3k1.79%+68.6k30 Jun 2025
Wellington Management Company, LLP861.4k1.71%+779.7k30 Jun 2025
Janus Henderson Investors745.5k1.48%+46.2k30 Jun 2025
State Street Investment Management (US)734.6k1.46%+84.8k30 Jun 2025
D. E. Shaw & Co., L.P.640.8k1.27%+69.1k30 Jun 2025

Short interest

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

4.5m

+6.5% on the period before. 12.9 days to cover.

Short volume

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

57.1%

Last 60 trading days.

Failed deliveries

Shares not delivered on settlement, from the SEC

  • 17 Aug 2026692 shares

Sources and methodology

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Chart on the Overview
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