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Altimmune ALT · USD

Health Care · US listing · 🇺🇸 United States

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2.12

+1.92%

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
BLACKROCK, INC.20.4m28.71%+7.6m30 Jun 2026
DEEP TRACK CAPITAL, LP19.3m27.11%+19.3m30 Jun 2026
STATE STREET CORP12.1m17.04%+5m30 Jun 2026
TCG CROSSOVER MANAGEMENT, LLC10m14.08%+10m30 Jun 2026
VANGUARD CAPITAL MANAGEMENT LLC8.2m11.52%+2.5m30 Jun 2026
VANGUARD PORTFOLIO MANAGEMENT LLC7.3m10.32%+1.9m30 Jun 2026
MARSHALL WACE, LLP6.8m9.63%+2.8m30 Jun 2026
VIKING GLOBAL INVESTORS LP6.7m9.44%+6.7m30 Jun 2026
RA CAPITAL MANAGEMENT, L.P.6.5m9.15%+6.5m30 Jun 2026
GEODE CAPITAL MANAGEMENT, LLC5m7.06%+1.9m30 Jun 2026
WOODLINE PARTNERS LP3.4m4.79%+3.4m30 Jun 2026
MILLENNIUM MANAGEMENT LLC3.3m4.66%+50.9k30 Jun 2026
Trails Edge Capital Partners, LP2.7m3.75%+2.7m30 Jun 2026
NUVEEN, LLC2.4m3.39%+70.8k30 Jun 2026
TWO SIGMA INVESTMENTS, LP2.4m3.35%−97.8k30 Jun 2026

Short interest

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

42.2m

-8.3% on the period before. 10.4 days to cover.

Short volume

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

47.3%

Last 60 trading days.

Failed deliveries

Shares not delivered on settlement, from the SEC

  • 28 Sept 20263,623 shares
  • 23 Sept 20261,957 shares
  • 14 Sept 2026217 shares
  • 11 Sept 20261,152 shares
  • 3 Sept 202617 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.