Alkermes plc. (ALKS) - Dilution Analysis

Visualizing historical and potential share dilution over time

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Dilution Analysis

Low Risk

Limited dilution potential

Last updated: May 05, 2026

Risk Assessment Details

Potential Dilution: 0.0% of current shares

Recent Dilution: 2.94% (2 years)

Historical Dilution Factor: minimal recent dilution

Outstanding Shares

170M

Potential Supply

Additional shares possible

Splits

None

Past 2 years

Summary

ALKS currently has 166M outstanding shares. with minimal authorized share overhang for future dilution. The company has minimally diluted shareholders by 2.94% over the past 2 years.

Share Structure Timeline

Outstanding Shares

Total Supply

Historical Data Points

Date	Event	Outstanding
May 05, 2026	10-Q filing \| 166.2M shares outstanding	170M
Oct 28, 2025	10-Q filing \| 165.1M shares outstanding	170M
Jul 29, 2025	10-Q filing \| 165.0M shares outstanding	160M
May 01, 2025	10-Q filing \| 163.4M shares outstanding	160M
Feb 12, 2025	10-K filing \| 165.4M shares outstanding	170M
Oct 24, 2024	10-Q filing \| 163.4M shares outstanding	160M
Jul 24, 2024	10-Q filing \| 168.3M shares outstanding	170M
May 01, 2024	10-Q filing \| 168.0M shares outstanding	170M
Feb 21, 2024	10-K filing \| 166.2M shares outstanding	170M
Oct 25, 2023	10-Q filing \| 166.6M shares outstanding	170M
Jul 26, 2023	10-Q filing \| 166.3M shares outstanding	170M
Apr 26, 2023	10-Q filing \| 165.1M shares outstanding	170M
Feb 16, 2023	10-K filing \| 163.5M shares outstanding	160M
Nov 02, 2022	10-Q filing \| 164.3M shares outstanding	160M
Jul 27, 2022	10-Q filing \| 163.8M shares outstanding	160M
Apr 27, 2022	10-Q filing \| 163.4M shares outstanding	160M
Feb 16, 2022	10-K filing \| 162.0M shares outstanding	160M
Oct 27, 2021	10-Q filing \| 161.7M shares outstanding	160M
Jul 28, 2021	10-Q filing \| 160.8M shares outstanding	160M
Apr 28, 2021	10-Q filing \| 160.5M shares outstanding	160M
Feb 11, 2021	10-K filing \| 159.2M shares outstanding	160M
Oct 29, 2020	10-Q filing \| 159.1M shares outstanding	160M
Jul 29, 2020	10-Q filing \| 159.0M shares outstanding	160M
Apr 29, 2020	10-Q filing \| 158.7M shares outstanding	160M
Feb 13, 2020	10-K filing \| 157.8M shares outstanding	160M

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