Tantalus Systems Holding Inc. (TSX: GRID) (OTCQX: TGMPF) announced on September 24, 2026 that it has been added to the Nasdaq OMX Clean Edge Smart Grid Infrastructure™ Index (the "QGRD™ Index"), effective prior to market open on September 21, 2026, as part of the index's September 2026 semi-annual reconstitution. The inclusion means Tantalus is now a holding of the First Trust NASDAQ® Clean Edge® Smart Grid Infrastructure Index Fund (NASDAQ: GRID), an exchange-traded fund that reported approximately US$12.1 billion in net assets as of September 22, 2026. The development broadens Tantalus' visibility among institutional and retail investors focused on grid modernisation, electrification, and energy infrastructure.

Key Points

  • Tantalus Systems Holding Inc. (TSX: GRID) (OTCQX: TGMPF)
  • Tantalus was added to the QGRD™ Index effective September 21, 2026, as one of seven companies included in the September 2026 semi-annual reconstitution
  • The First Trust GRID ETF tracking the QGRD™ Index reported approximately US$12.1 billion in net assets as of September 22, 2026; Tantalus serves more than 340 utility partners across North America
  • Investors may be watching how index inclusion affects trading volumes and institutional ownership of GRID shares

Tantalus Joins QGRD™ Index in September 2026 Reconstitution

The QGRD™ Index is designed to serve as a transparent and liquid benchmark for the smart grid and electric infrastructure sector, tracking companies globally engaged in electric grid technologies, electric meters, devices and networks, energy storage and management, and enabling software. The index is evaluated semi-annually in March and September against eligibility criteria that include minimum market capitalisation and average daily trading volume. Tantalus was one of seven companies added during the September 2026 reconstitution, according to the release.

First Trust GRID ETF Exposure and Fund Scale

Launched in November 2009, the First Trust NASDAQ® Clean Edge® Smart Grid Infrastructure Index Fund is dedicated to smart grid and electric infrastructure, providing institutional and retail investors with exposure to companies modernising the electric grid. With approximately US$12.1 billion in net assets reported as of September 22, 2026, inclusion in the fund represents a meaningful expansion of Tantalus' potential investor base. The company states the inclusion creates more opportunities for investment by investors focused on grid modernisation.

Tantalus Grid Modernization Platform™ and Utility Partnerships

Tantalus serves more than 340 utility partners across North America through its Tantalus Grid Modernization Platform™ (TGMP™), which the company describes as delivering Unified Intelligence across the entire distribution grid. The platform's modular, reverse-compatible architecture is designed to provide data interoperability across devices, systems, and vendors, including legacy infrastructure. In December 2025, independent research firm Frost & Sullivan named Tantalus a Top 25 vendor in its report on companies to action in the power grids industry.