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VANGUARD GROUP INC AMSC Position History
American Superconductor Corporation
Quarters held
20
Latest value
$8.8M
Q4 2025
Peak value
$154.2M
First seen
Q1 2025
Dollar value over time
Show data table
| Period | Position value |
|---|---|
| Q1 2025 | $447K |
| Q1 2025 | $149K |
| Q1 2025 | $334K |
| Q1 2025 | $40M |
| Q1 2025 | $602K |
| Q2 2025 | $1.1M |
| Q2 2025 | $415K |
| Q2 2025 | $555K |
| Q2 2025 | $86.4M |
| Q2 2025 | $1.4M |
| Q3 2025 | $1.2M |
| Q3 2025 | $573K |
| Q3 2025 | $1.7M |
| Q3 2025 | $154.2M |
| Q3 2025 | $17.5M |
| Q4 2025 | $843K |
| Q4 2025 | $302K |
| Q4 2025 | $561K |
| Q4 2025 | $91M |
| Q4 2025 | $8.8M |
Quarter-by-quarter history
Every disclosed snapshot of the position
| Quarter | Value | Shares | % Portfolio | Change |
|---|---|---|---|---|
| Q4 2025 | $8.8M | 305.0K | — | — |
| Q4 2025 | $91M | 3.16M | — | — |
| Q4 2025 | $561K | 19.5K | — | — |
| Q4 2025 | $302K | 10.5K | — | — |
| Q4 2025 | $843K | 29.3K | — | — |
| Q3 2025 | $17.5M | 294.2K | — | — |
| Q3 2025 | $154.2M | 2.60M | — | — |
| Q3 2025 | $1.7M | 29.3K | — | — |
| Q3 2025 | $573K | 9.6K | — | — |
| Q3 2025 | $1.2M | 21.0K | — | — |
| Q2 2025 | $1.4M | 37.2K | — | — |
| Q2 2025 | $86.4M | 2.35M | — | — |
| Q2 2025 | $555K | 15.1K | — | — |
| Q2 2025 | $415K | 11.3K | — | — |
| Q2 2025 | $1.1M | 29.3K | — | — |
| Q1 2025 | $602K | 33.2K | — | — |
| Q1 2025 | $40M | 2.20M | — | — |
| Q1 2025 | $334K | 18.4K | — | — |
| Q1 2025 | $149K | 8.2K | — | — |
| Q1 2025 | $447K | 24.6K | — | — |
Other funds holding AMSC
$67.5M
$56.4M
$56.4M
$44.4M
$42.7M
$41.8M
$37.4M