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Amphastar Pharmaceuticals shares owned by Charles Schwab Investment Management

Quarter-by-quarter ownership of Amphastar Pharmaceuticals (AMPH) shares owned by Charles Schwab Investment Management from 13F filings

Historical chart of Charles Schwab Investment Management investment in Amphastar Pharmaceuticals

Tip: Access up to 7 years of quarterly data

All positions including Amphastar Pharmaceuticals held by Charles Schwab Investment Management consolidated in one spreadsheet with up to 7 years of data

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Quarterly reported holdings in Amphastar Pharmaceuticals by Charles Schwab Investment Management

Quarter filed Position value Share count Share price at filing
2023-12-31 $24M 380k 61.85
2023-09-30 $16M 352k 45.99
2023-06-30 $19M 328k 57.47
2023-03-31 $12M 330k 37.50
2022-12-31 $9.2M 327k 28.02
2022-09-30 $8.6M 307k 28.10
2022-06-30 $11M 315k 34.79
2022-03-31 $9.6M 268k 35.90
2021-12-31 $6.1M 261k 23.29
2021-09-30 $4.8M 253k 19.01
2021-06-30 $5.1M 253k 20.16
2021-03-31 $4.5M 248k 18.32
2020-12-31 $4.9M 242k 20.11
2020-09-30 $4.4M 237k 18.75
2020-06-30 $5.1M 228k 22.46
2020-03-31 $3.3M 220k 14.84
2019-12-31 $4.2M 216k 19.29
2019-09-30 $4.2M 212k 19.83
2019-06-30 $4.5M 212k 21.11
2019-03-31 $3.9M 190k 20.43
2018-12-31 $3.8M 193k 19.90
2018-09-30 $3.8M 195k 19.24
2018-06-30 $3.0M 194k 15.26
2018-03-31 $3.4M 183k 18.75
2017-12-31 $3.6M 186k 19.24
2017-09-30 $3.4M 188k 17.87
2017-06-30 $3.9M 218k 17.86
2017-03-31 $2.9M 203k 14.50
2016-12-31 $3.1M 166k 18.42
2016-09-30 $3.0M 158k 18.97
2016-06-30 $1.2M 73k 16.13
2016-03-31 $638k 53k 12.01
2015-12-31 $756k 53k 14.23
2015-09-30 $502k 43k 11.69
2015-06-30 $755k 43k 17.59
2015-03-31 $190k 13k 14.96
2014-12-31 $148k 13k 11.65