Amphastar Pharmaceuticals (AMPH) Change in Inventory (2013 - 2026)
Amphastar Pharmaceuticals' Change in Inventory was $9.88 million in Q2 2026, up 104.9% from $4.82 million a year earlier.
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Analysis
Amphastar Pharmaceuticals (AMPH) Change in Inventory (2013 - 2026) Analysis & Trends
On a trailing twelve-month basis, Amphastar Pharmaceuticals' Change in Inventory was -$11.24 million through Jun 30, 2026; for FY2025, it came in at $21.06 million, down 56.8% from FY2024.
- In earlier years, Change in Inventory was $48.8 million in FY2024, $1.72 million in FY2023 (-85.3%), $11.75 million in FY2022 and -$1.26 million in FY2021.
- The Q2 2026 figure marks the highest quarterly Change in Inventory since Q1 2025.
- Compared with a year earlier, Change in Inventory was higher in three of the last four quarters, with growth averaging 77.9%.
- The best year-over-year quarter for Change in Inventory over five years was Q2 2022 (growth of 819.4%); the worst was Q2 2023 (a decline of 78.1%).
- Per Business Quant data, AMPH's Change in Inventory in the three quarters before Q2 2026 was -$6.25 million (Q1 2026), -$9.01 million (Q4 2025) and -$5.86 million (Q3 2025).
Peer Set
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) | Change Inventory (Qtr) |
|---|---|---|---|---|---|
| 1 | Johnson & Johnson | 655.56 Bn | 574.09 Bn | 17.26 Bn | 571.00 Mn |
| 2 | AbbVie | 470.94 Bn | 444.10 Bn | 12.70 Bn | 143.00 Mn |
| 3 | Merck | 367.14 Bn | 321.57 Bn | 12.21 Bn | - |
| 4 | Novartis Ag | 280.33 Bn | 236.20 Bn | 11.24 Bn | - |
| 5 | Astrazeneca | 257.78 Bn | 231.34 Bn | 12.86 Bn | - |
| 6 | Amgen | 226.04 Bn | 181.44 Bn | 7.24 Bn | 31.00 Mn |
| 7 | Gilead Sciences | 188.89 Bn | 163.01 Bn | 6.22 Bn | 145.00 Mn |
| 8 | Pfizer | 163.75 Bn | 110.70 Bn | 10.94 Bn | - |
| 9 | Vertex Pharmaceuticals | 133.68 Bn | 105.69 Bn | 2.84 Bn | 27.70 Mn |
| 10 | Amphastar Pharmaceuticals | 1.16 Bn | 23.86 Mn | 93.47 Mn | 9.88 Mn |
Historic Data
Download Data
Historic Data
| Date | Value |
|---|---|
| Jun 30, 2026 | 9.88 Mn |
| Mar 31, 2026 | -6.25 Mn |
| Dec 31, 2025 | -9.01 Mn |
| Sep 30, 2025 | -5.86 Mn |
| Jun 30, 2025 | 4.82 Mn |
| Mar 31, 2025 | 31.11 Mn |
| Dec 31, 2024 | 24.47 Mn |
| Sep 30, 2024 | 7.31 Mn |
| Jun 30, 2024 | 7.03 Mn |
| Mar 31, 2024 | 10.00 Mn |
| Dec 31, 2023 | -4.81 Mn |
| Sep 30, 2023 | 5.77 Mn |
| Jun 30, 2023 | 1.04 Mn |
| Mar 31, 2023 | -268,000.00 |
| Dec 31, 2022 | -1.18 Mn |
| Sep 30, 2022 | 5.50 Mn |
| Jun 30, 2022 | 4.74 Mn |
| Mar 31, 2022 | 2.69 Mn |
| Dec 31, 2021 | -7.03 Mn |
| Sep 30, 2021 | 4.11 Mn |
API Access
Amphastar Pharmaceuticals Change in Inventory API
Pull this series into your own models, spreadsheets and apps with the Business Quant
Historical Metrics API. The request below matches the chart above — change the
frequency, period or values and it follows. Swap YOUR_API_KEY for your own key.
https://data.businessquant.com/historic?slug=change-in-inventory&ticker=AMPH&period=max&api_key=YOUR_API_KEYimport requests
url = "https://data.businessquant.com/historic"
params = {"slug": "change-in-inventory", "ticker": "AMPH", "period": "max", "api_key": "YOUR_API_KEY"}
data = requests.get(url, params=params).json()const res = await fetch("https://data.businessquant.com/historic?slug=change-in-inventory&ticker=AMPH&period=max&api_key=YOUR_API_KEY");
const data = await res.json();