Tandem Diabetes Care (TNDM) Shares Outstanding (Diluted Average) (2018 - 2026)

Tandem Diabetes Care (TNDM) has 9 years of Shares Outstanding (Diluted Average) data on file, last reported at $68.4 million in Q1 2026.

• For the quarter ending Q1 2026, Shares Outstanding (Diluted Average) rose 3.0% year-over-year to $68.4 million; the trailing twelve-month figure through Mar 2026 stood at $68.4 million (up 3.0% YoY), and the FY2024 full-year result was $66.2 million, up 1.83% from the prior year.
• Shares Outstanding (Diluted Average) for Q1 2026 stood at $68.4 million, up from $67.0 million in the prior quarter.
• Across five years, Shares Outstanding (Diluted Average) topped out at $68.4 million in Q1 2026 and bottomed at $63.9 million in Q1 2022.
• The 5-year median for Shares Outstanding (Diluted Average) is $65.1 million (2023), against an average of $65.4 million.
• The widest annual swing landed in 2022, when Shares Outstanding (Diluted Average) retreated 0.84%; it then gained 3.16% in 2025.
• A 5-year view of Shares Outstanding (Diluted Average) shows it stood at $64.1 million in 2022, then grew by 1.28% to $65.0 million in 2023, then gained by 1.83% to $66.2 million in 2024, then increased by 1.33% to $67.0 million in 2025, then rose by 2.02% to $68.4 million in 2026.
• The last three Shares Outstanding (Diluted Average) figures came in at $68.4 million (Q1 2026), $67.0 million (Q3 2025), and $67.0 million (Q2 2025), per Business Quant data.

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