Earnings Per Share
Shares (Basic)
Amkor Technology Shares (Basic) increased by 526602.1% to 247.6M in Q1 2026 compared to the prior quarter. Year-over-year, this metric grew by 0.3%, from 246.9M to 247.6M. Over 4 years (FY 2021 to FY 2025), Shares (Basic) shows relatively stable performance with a 0.3% CAGR.
Analysis
StatementIncome Statement
SectionEarnings Per Share
CategoryCapital Allocation
SignalContext dependent
VolatilityStable
First reportedQ1 2013
Last reportedQ1 2026Apr 28, 2026
How to read this metric
Changes reflect share buybacks (decrease) or equity issuance (increase), which impact the per-share earnings calculation.
Detailed definition
The average number of common shares outstanding during the reporting period, calculated by weighting the number of share...
Peer comparison
Standard metric for all public companies; reflects capital structure and share repurchase activity.
Metric ID:
weighted_shares_basicHistorical Data
20 periods
| Q2 '21 | Q3 '21 | Q4 '21 | Q1 '22 | Q2 '22 | Q3 '22 | Q4 '22 | Q1 '23 | Q2 '23 | Q3 '23 | Q4 '23 | Q1 '24 | Q2 '24 | Q3 '24 | Q4 '24 | Q1 '25 | Q2 '25 | Q3 '25 | Q4 '25 | Q1 '26 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Value | 243.9M | 244.1M | 132K | 244.4M | 244.6M | 244.7M | 95K | 245.3M | 245.6M | 245.7M | 57K | 246M | 246.2M | 246.5M | 105K | 246.9M | 247.1M | 247.2M | 47K | 247.6M |
| QoQ Change | — | +0.1% | -99.9% | >999% | +0.1% | +0.1% | -100.0% | >999% | +0.1% | +0.0% | -100.0% | >999% | +0.1% | +0.1% | -100.0% | >999% | +0.1% | +0.0% | -100.0% | >999% |
| YoY Change | — | — | — | — | +0.3% | +0.3% | -28.0% | +0.4% | +0.4% | +0.4% | -40.0% | +0.3% | +0.2% | +0.3% | +84.2% | +0.3% | +0.4% | +0.3% | -55.2% | +0.3% |
Range47K – 247.6M
CAGR+0.3%
Avg YoY Growth-2.2%
Median YoY Growth+0.3%
Shares (Basic) at Other Companies
Frequently Asked Questions
- What is Amkor Technology's shares (basic)?
- Amkor Technology (AMKR) reported shares (basic) of 247.6M in Q1 2026.
- How has Amkor Technology's shares (basic) changed year-over-year?
- Amkor Technology's shares (basic) increased by 0.3% year-over-year, from 246.9M to 247.6M.
- What is the long-term trend for Amkor Technology's shares (basic)?
- Over 4 years (2021 to 2025), Amkor Technology's shares (basic) has grown at a 0.3% compound annual growth rate (CAGR), from 731.4M to 741.1M.
- What does shares (basic) mean?
- The average number of shares held by investors during the period.