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Flexible Solutions International FSI · USD

Materials · US listing · 🇺🇸 United States

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6.70

+8.94%

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
O'Brien (Daniel B)4.4m34.94%+160k31 Mar 2025
Comprehensive Financial Planning, Inc.1.3m9.92%—31 Mar 2025
Renaissance Technologies LLC386.4k3.05%−4.2k30 Jun 2025
The Vanguard Group, Inc.277.2k2.19%—30 Jun 2025
Perritt Capital Management, Inc.110k0.87%—30 Jun 2025
Dimensional Fund Advisors, L.P.78.8k0.62%+7.8k30 Jun 2025
Bridgeway Capital Management, LLC63.9k0.50%−17.7k30 Jun 2025
Helina (Robert Thomas)35k0.28%−40k31 Mar 2025
Regal Investment Advisors, LLC28.5k0.22%—30 Jun 2025
Essex Investment Management Company, LLC26.3k0.21%−30830 Jun 2025
Citadel Advisors LLC24.6k0.19%−7.2k30 Jun 2025
Fyles (Thomas)20k0.16%—31 Mar 2025
GWM Advisors LLC18.3k0.14%—30 Jun 2025
James Investment Research Inc.18.3k0.14%—30 Jun 2025
Two Sigma Investments, LP16.7k0.13%+4.3k30 Jun 2025

Short interest

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

89k

+15.8% on the period before. 6.8 days to cover.

Short volume

Share of the day's trading sold short, 5 Nov 2026

37.6%

Last 60 trading days.

Failed deliveries

Shares not delivered on settlement, from the SEC

  • 30 Sept 2026146 shares
  • 8 Sept 202610 shares
  • 2 Sept 20262,000 shares
  • 1 Sept 20262,000 shares
  • 31 Aug 20262,000 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.