3M expands GSEO partnership. 3M stock sits 4.87 percent below its 52-week high

Published on 10/28/2026 at 11:06 | Editorial responsibility: Rafael Müller, Editor-in-Chief AD HOC NEWS

3M plans a 4.70 percent GSEO stake, subject to closing conditions. 3M stock costs EUR 153.83 on October 28, 2026, below the Xetra close.

Optical manufacturing expansion

3M announced its GSEO collaboration on October 19, 2026, including a 4.70 percent investment.
Third-quarter sales reached USD 6.60 billion on October 20, 2026, with adjusted operating margin at 26.20 percent.
3M stock trades at EUR 153.83 at 11:02 a.m. CET at Lang & Schwarz on October 28, 2026, 0.05 percent below the Xetra close of October 27, 2026.

3M Company, US88579Y1010, Illustration mit AI erstellt.

3M Company (ISIN US88579Y1010) plans to invest in optical manufacturing through a collaboration with Genius Electronic Optical, or GSEO. In a release dated October 19, 2026, 3M said it expects to acquire 4.70 percent of GSEO through a private placement, subject to customary closing conditions.

What does GSEO add?

GSEO is expected to support manufacturing readiness for 3M's Expanded Beam Optical ferrules, co-packaged optics and related optical interconnect products. The companies aim to expand capacity for hyperscale data centers and other connectivity applications, giving 3M an additional manufacturing partner as it develops its optical business.

Three milestones in October

On October 6, 2026, 3M scheduled its third-quarter earnings conference call for October 20, 2026. On October 19, 2026, the GSEO collaboration included the planned 4.70 percent investment. On October 20, 2026, 3M reported third-quarter sales of USD 6.60 billion and raised its full-year adjusted earnings-per-share guidance to USD 9.10 to USD 9.15.

What happens next?

3M expects the GSEO investment to close in the fourth quarter of 2026, subject to customary closing conditions. The financial backdrop includes third-quarter adjusted operating margin of 26.20 percent and adjusted earnings per share of USD 2.50, up 12.00 percent year over year.

Stock stays below its yearly high

At 11:02 a.m. CET on October 28, 2026, the stock was trading at EUR 153.83 at Lang & Schwarz, 0.05 percent below the Xetra close of October 27, 2026 at EUR 153.90. The quote is an intraday indication for investors in Germany.

The further course of trading is shown by the continuously updated real-time quote of 3M stock.