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On! Pouch Volume Hits 47.2M Cans — But Share Still Falls as ZYN and Velo Outpace Altria's GrowthAltria's On! Plus rollout drove Q2 volume to 47.2 million cans, yet On!'s retail share dropped to 13.9% in H1 2026 (down from 16.8% a year earlier) as the $13.4B pouch category grows faster than On! can capture it.