Company profile AMPH

Amphastar Pharmaceuticals Inc
amphastar pharmaceuticals, inc., headquartered in rancho cucamonga, california, established in 1996, is a recognized specialty pharmaceutical company that uses state-of-the-art, cgmp compliant facilities to develop, manufacture, and market injectable and inhalation products. in addition to the corporate headquarters, amphastar has five manufacturing facilities located in the un...ited states, china and europe along with a state-of-the-art new drug research center. amphastar and its subsidiaries each have their own distinct focus that they skillfully bring together to meet the varied needs of the pharmaceutical industry. we currently produce approximately 15 injectable products while we continue to develop a portfolio of generic and branded products that target large markets with high technical barriers to entry. amphastar’s long-standing relationship with the major group purchasing organizations and drug wholesalers in the u.s. enables it to establish significant market share upon the int Show More
Quarter analysis & expected interestLast update: February 08 2024 14:42:18.

After 39 days of this quarter the interest is at 190.0. Based on that we can calculate that during remaining 52 days it will total up to 443.0.
Amphastar Pharmaceuticals expected interest is significantly higher compared to previous quarter (+64.7%) and same quarter last year (+62.3%).

YearQ1Q2Q3Q4
201917
220
1194.1% QoQ
156
-29.1% QoQ
142
-9.0% QoQ
2020 164
864.7% YoY 15.5% QoQ
191
-13.2% YoY 16.5% QoQ
90
-42.3% YoY -52.9% QoQ
271
90.8% YoY 201.1% QoQ
2021 218
32.9% YoY -19.6% QoQ
107
-44.0% YoY -50.9% QoQ
31
-65.6% YoY -71.0% QoQ
27
-90.0% YoY -12.9% QoQ
2022 114
-47.7% YoY 322.2% QoQ
168
57.0% YoY 47.4% QoQ
176
467.7% YoY 4.8% QoQ
163
503.7% YoY -7.4% QoQ
2023 273
139.5% YoY 67.5% QoQ
314
86.9% YoY 15.0% QoQ
266
51.1% YoY -15.3% QoQ
269
65.0% YoY 1.1% QoQ
2024 190
-30.4% YoY -29.4% QoQ
- - -
this symbol represents interest this quarter up to now and updates daily. For expected interest by the end of the quarter based on current trend see "Quarter analysis" above the table.
Correlation between past revenue and Amphastar Pharmaceuticals search interestLast update: February 08 2024 14:42:18.
Correlation coefficient between keyword and revenue is 0.29
Interest value is multiplied to fit the chart properly. Correlation level is represented by Pearson correlation coefficient. Value closer to 1 represents higher level of correlation. Value closer to -1 represents inverted relationship. Value closer to 0 represents no relationship.
Analysis of YoY 5Y Google Trends Last update: February 08 2024 14:42:19.

The average 5 years interest of Amphastar Pharmaceuticals was 13.67 per week.
The last year interest of Amphastar Pharmaceuticals compared to the last 5 years has changed by 74.84%.
This is something to be checked.
The last year interest is quite higher compared to 5 years ago. It has increased by 121.91%.

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Quarter analysis & expected interest

There is not enough data for Amphastar Pharmaceuticals Primatene Mist to provide analysis

Correlation between past revenue and Amphastar Pharmaceuticals Primatene Mist search interest

There is not enough data for Amphastar Pharmaceuticals Primatene Mist to provide correlation calculation

Analysis of YoY 5Y Google Trends

There is not enough data for Amphastar Pharmaceuticals Primatene Mist to provide analysis

Google Trends widget for keyword preview might not work in your browser. If so, try Google Chrome
Quarter analysis & expected interest

There is not enough data for Amphastar Pharmaceuticals Enoxaparin to provide analysis

Correlation between past revenue and Amphastar Pharmaceuticals Enoxaparin search interest

There is not enough data for Amphastar Pharmaceuticals Enoxaparin to provide correlation calculation

Analysis of YoY 5Y Google Trends

There is not enough data for Amphastar Pharmaceuticals Enoxaparin to provide analysis

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Quarter analysis & expected interest

There is not enough data for Amphastar Pharmaceuticals Naloxone to provide analysis

Correlation between past revenue and Amphastar Pharmaceuticals Naloxone search interest

There is not enough data for Amphastar Pharmaceuticals Naloxone to provide correlation calculation

Analysis of YoY 5Y Google Trends

There is not enough data for Amphastar Pharmaceuticals Naloxone to provide analysis

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Quarter analysis & expected interest

There is not enough data for Amphastar Pharmaceuticals Ganirelix Acetate to provide analysis

Correlation between past revenue and Amphastar Pharmaceuticals Ganirelix Acetate search interest

There is not enough data for Amphastar Pharmaceuticals Ganirelix Acetate to provide correlation calculation

Analysis of YoY 5Y Google Trends

There is not enough data for Amphastar Pharmaceuticals Ganirelix Acetate to provide analysis

Google Trends widget for keyword preview might not work in your browser. If so, try Google Chrome
Quarter analysis & expected interest

There is not enough data for Amphastar Pharmaceuticals jobs to provide analysis

Correlation between past revenue and Amphastar Pharmaceuticals jobs search interest

There is not enough data for Amphastar Pharmaceuticals jobs to provide correlation calculation

Analysis of YoY 5Y Google Trends

There is not enough data for Amphastar Pharmaceuticals jobs to provide analysis

Google Trends widget for keyword preview might not work in your browser. If so, try Google Chrome
Quarter analysis & expected interest

There is not enough data for Amphastar Pharmaceuticals reviews to provide analysis

Correlation between past revenue and Amphastar Pharmaceuticals reviews search interest

There is not enough data for Amphastar Pharmaceuticals reviews to provide correlation calculation

Analysis of YoY 5Y Google Trends

There is not enough data for Amphastar Pharmaceuticals reviews to provide analysis

Google Trends widget for keyword preview might not work in your browser. If so, try Google Chrome
Quarter analysis & expected interest

There is not enough data for Amphastar Pharmaceuticals California to provide analysis

Correlation between past revenue and Amphastar Pharmaceuticals California search interest

There is not enough data for Amphastar Pharmaceuticals California to provide correlation calculation

Analysis of YoY 5Y Google Trends

There is not enough data for Amphastar Pharmaceuticals California to provide analysis

Google Trends widget for keyword preview might not work in your browser. If so, try Google Chrome
Quarter analysis & expected interestLast update: February 08 2024 14:42:24.

After 39 days of this quarter the interest is at 98.0. Based on that we can calculate that during remaining 52 days it will total up to 229.0.
Amphastar Pharmaceuticals -stock -company expected interest is significantly higher compared to previous quarter (+102.7%) but similar to same quarter last year.

YearQ1Q2Q3Q4
2019164
212
29.3% QoQ
106
-50.0% QoQ
189
78.3% QoQ
2020 222
35.4% YoY 17.5% QoQ
322
51.9% YoY 45.0% QoQ
169
59.4% YoY -47.5% QoQ
132
-30.2% YoY -21.9% QoQ
2021 217
-2.3% YoY 64.4% QoQ
193
-40.1% YoY -11.1% QoQ
125
-26.0% YoY -35.2% QoQ
138
4.5% YoY 10.4% QoQ
2022 234
7.8% YoY 69.6% QoQ
148
-23.3% YoY -36.8% QoQ
119
-4.8% YoY -19.6% QoQ
72
-47.8% YoY -39.5% QoQ
2023 187
-20.1% YoY 159.7% QoQ
186
25.7% YoY -0.5% QoQ
258
116.8% YoY 38.7% QoQ
113
56.9% YoY -56.2% QoQ
2024 98
-47.6% YoY -13.3% QoQ
- - -
this symbol represents interest this quarter up to now and updates daily. For expected interest by the end of the quarter based on current trend see "Quarter analysis" above the table.
Correlation between past revenue and Amphastar Pharmaceuticals -stock -company search interestLast update: February 08 2024 14:42:23.
Correlation coefficient between keyword and revenue is -0.28
Interest value is multiplied to fit the chart properly. Correlation level is represented by Pearson correlation coefficient. Value closer to 1 represents higher level of correlation. Value closer to -1 represents inverted relationship. Value closer to 0 represents no relationship.
Analysis of YoY 5Y Google Trends Last update: February 08 2024 14:42:25.

The average 5 years interest of Amphastar Pharmaceuticals -stock -company was 13.81 per week.
The last year interest of Amphastar Pharmaceuticals -stock -company compared to the last 5 years has changed by 10.28%.
This is something to be checked.
The last year interest is comparable to 5 years ago. It has changed only by 4.75%.

Google Trends widget for keyword preview might not work in your browser. If so, try Google Chrome
Useful links and data for AMPH
Earnings date: 2024-02-26 After close
Company name: Amphastar Pharmaceuticals Inc
Sector: Manufacturing
Company's website
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Latest articles

2026-05-14T12:37:20Z

Analyst Upgrades
Wells Fargo Downgrades Amphastar Pharma to Equal-Weight, Lowers Price Target to $19

2026-05-11T18:02:52Z

Analyst Upgrades
Piper Sandler Reiterates Neutral on Amphastar Pharma, Lowers Price Target to $21

2026-05-08T12:28:14Z

Analyst Upgrades
This HubSpot Analyst Turns Bearish; Here Are Top 5 Downgrades For Friday

2026-05-08T11:31:55Z

Analyst Upgrades
Needham Downgrades Amphastar Pharma to Hold

2026-05-07T20:05:00Z

AccessWire
Amphastar Pharmaceuticals Reports Financial Results for the Three Months Ended March 31, 2026

2026-05-06T10:00:00Z

AccessWire
Amphastar Pharmaceuticals to Present at the 2026 Bank of America Health Care Conference

2026-04-30T10:00:00Z

AccessWire
Amphastar Pharmaceuticals to Release First Quarter Earnings and Hold Conference Call on May 7, 2026

2026-04-21T16:02:00Z

Analyst Upgrades
Jefferies Downgrades Amphastar Pharma to Hold, Lowers Price Target to $22

2026-04-08T14:42:39Z

Analyst Upgrades
Barclays Maintains Equal-Weight on Amphastar Pharma, Lowers Price Target to $23

2026-04-06T10:00:00Z

AccessWire
Amphastar Pharmaceuticals to Present at the 25th Annual Needham Healthcare Conference

2026-02-27T16:36:14Z

Analyst Upgrades
Wells Fargo Maintains Overweight on Amphastar Pharma, Lowers Price Target to $30

2026-02-27T11:03:20Z

Analyst Upgrades
Needham Maintains Buy on Amphastar Pharma, Lowers Price Target to $30

2026-02-26T21:05:00Z

AccessWire
Amphastar Pharmaceuticals Reports Financial Results for the Three Months and Full Year Ended December 31, 2025

2026-02-24T11:00:00Z

AccessWire
Amphastar Announces FDA Approval for Ipratropium Bromide HFA

2026-02-20T11:00:00Z

AccessWire
Amphastar Pharmaceuticals to Release Fourth Quarter Earnings and Hold Conference Call on February 26, 2026