CHARLES SCHWAB INVESTMENT MANAGEMENT INC

CIK
0000884546
City
SAN FRANCISCO
State / Country
CA

Holdings in AMPX

Position Over Time

Report Date Value (USD) Shares
2025-12-31 $8,181,069 1,036,891
2025-09-30 $10,251,582 974,485
2025-06-30 $2,091,944 496,899
2025-03-31 $691,287 257,943
2024-12-31 $555,637 198,442
2024-09-30 $304,192 274,047
2024-03-31 $263,804 99,549
2023-12-31 $512,939 96,964
2023-09-30 $452,309 95,424