LanzaTech Global Inc. (NASDAQ:LNZA) experienced a 10.6% increase in its share price on Monday after the company was named to both the Russell 3000 and the Russell 2000 indexes, with the inclusion taking effect at the open of U.S. markets on June 29, 2026.
The index additions were confirmed following the close of markets on Friday, June 26, 2026, subject to FTSE Russell’s final reconstitution schedule. Inclusion in the Russell 3000 automatically places qualifying companies into the Russell 2000, the small-cap subset, and is designed to raise a company’s profile among a broader set of institutional managers and passive index funds.
FTSE Russell’s June reconstitution identifies up to 4,000 of the largest U.S. stocks based on total market capitalization as of April 30. Beginning in 2026, membership established through that process remains in place for a six-month period under the index provider’s semi-annual schedule.
Management characterized the move as an important step for investor outreach. Jennifer Holmgren, Chief Executive Officer of LanzaTech, said: "Our inclusion in the Russell 3000 index will serve as a meaningful step forward for the institutional visibility of the Company. We believe that this important milestone will increase the overall breadth of prospective institutional investors and allow us to tell our story to a wider universe within the investment community." The company’s statement frames inclusion as a pathway to greater institutional attention and engagement.
LanzaTech is a carbon management solutions company that operates a proprietary gas-fermentation platform to convert waste carbon into value-added products. The firm is headquartered in Skokie, Illinois.
The Russell U.S. Indexes are used globally by institutional investors and investment managers both as the basis for index funds and as benchmarks for active strategies. For companies such as LanzaTech, index inclusion can affect passive fund ownership and may alter the investor base in the near term.
Context and implications
For LanzaTech, the practical effect of becoming a Russell constituent is an elevated profile among funds that track those indexes and among active managers who reference them. The move into the Russell 2000 also formally positions the company within the small-cap universe for indexing purposes.