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SIGA Technologies SIGA · USD

Health Care · US listing · 🇺🇸 United States

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3.26

+5.16%

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 Institutional Trust Company, N.A.2.9m4.02%−260k30 Jun 2025
AltraVue Capital, LLC.2.5m3.48%+104.2k30 Jun 2025
The Vanguard Group, Inc.2.5m3.45%−7.2k30 Jun 2025
Dimensional Fund Advisors, L.P.2.4m3.35%+54.6k30 Jun 2025
Hotchkis and Wiley Capital Management, LLC2.1m2.88%−1.1m30 Jun 2025
American Century Investment Management, Inc.1.4m1.95%+34.5k30 Jun 2025
Citadel Advisors LLC1.4m1.94%+233.7k30 Jun 2025
State Street Investment Management (US)1.1m1.54%+2.6k30 Jun 2025
Geode Capital Management, L.L.C.997.9k1.39%−50.9k30 Jun 2025
Jupiter Asset Management Ltd.990.6k1.38%—30 Jun 2025
First Wilshire Securities Management, Inc.697.2k0.97%−889.6k30 Jun 2025
Royce Investment Partners642.6k0.89%−116.1k30 Jun 2025
Renaissance Technologies LLC598.9k0.83%−28.6k30 Jun 2025
New York State Common Retirement Fund593.1k0.82%+3.4k30 Jun 2025
Arrowstreet Capital, Limited Partnership578.8k0.80%−14.5k30 Jun 2025

Short interest

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

3.6m

-1.0% on the period before. 6.4 days to cover.

Short volume

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

29.4%

Last 60 trading days.

Failed deliveries

Shares not delivered on settlement, from the SEC

  • 22 Sept 2026400 shares
  • 18 Sept 20262,135 shares
  • 17 Sept 202620,669 shares
  • 8 Sept 20261,793 shares
  • 4 Sept 20263,288 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.