Stocks
ETFs
Options
Commodities
Crypto
Currency
Pro Newsletters
Research Tools
Daily Feeds
Calendars
Economic Indicators
Class Actions
Calculators
Education
About Us
Working with TipRanks
Follow Us
Amphastar Pharmaceuticals (AMPH)
NASDAQ:AMPH
RESEARCH TOOLSreports
Recent Insider Trading Activity
Date | Name | Activity | Value |
|---|---|---|---|
| Dec 16, 2024 | Rong Zhou Senior Evp, Production Center | xxxxxxxxxxxxx | $672780 |
| Dec 11, 2024 | Richard Prins Director | xxxxxxxxxxxxx | $437700 |
| Nov 13, 2024 | Rong Zhou Senior Evp, Production Center | xxxxxxxxxxxxx | $336930 |
| Nov 13, 2024 | Richard Prins Director | xxxxxxxxxxxxx | $243950 |
Recent Hedge Fund Trading Activity
Date | Firm | Activity | Value |
|---|---|---|---|
| Dec 31, 2024 | xxxxxxxxxxxxx | $909685 |
Top Shareholders
Holder | # of Shares | Type | % Holding | Value |
|---|---|---|---|---|
| 10,440,989 | Insider | 21.72% | 323,879,479 | |
| 4,480,253 | Institution | 9.32% | 138,977,448 | |
| 2,394,984 | Institution | 4.98% | 74,292,404 | |
| 2,284,408 | Institution | 4.75% | 70,862,336 | |
| 1,867,500 | Institution | 3.88% | 57,929,850 | |
| 1,709,909 | Institution | 3.56% | 53,041,377 | |
| 1,234,485 | Institution | 2.57% | 38,293,725 | |
| 1,142,681 | Institution | 2.38% | 35,445,965 | |
| 725,498 | Institution | 1.51% | 22,504,948 | |
| 631,161 | Institution | 1.31% | 19,578,614 |
Top Mutual Fund Holders
Holder | # of Shares | Type | % Holding | Value |
|---|---|---|---|---|
| 2,394,984 | Institution | 4.98% | 74,292,404 | |
| 1,867,500 | Institution | 3.88% | 57,929,850 | |
| 1,709,909 | Institution | 3.56% | 53,041,377 | |
| 1,142,681 | Institution | 2.38% | 35,445,965 | |
| 631,161 | Institution | 1.31% | 19,578,614 | |
| 425,055 | Institution | 0.88% | 13,185,206 | |
| 419,579 | Institution | 0.87% | 13,015,341 | |
| 385,791 | Institution | 0.80% | 11,967,237 | |
| 358,312 | Institution | 0.75% | 11,114,838 | |
| 344,400 | Institution | 0.72% | 10,683,288 |
Top ETF Holders
Holder | # of Shares | Type | % Holding | Value |
|---|---|---|---|---|
| 2,396,988 | Institution | 4.99% | 76,080,399 | |
| 1,231,837 | Institution | 2.56% | 39,098,506 | |
| 1,131,500 | Institution | 2.35% | 42,012,595 | |
| 1,023,088 | Institution | 2.13% | 31,736,190 | |
| 578,833 | Institution | 1.20% | 21,492,069 | |
| 341,825 | Institution | 0.71% | 10,603,412 | |
| 338,291 | Institution | 0.70% | 10,737,356 | |
| 301,273 | Institution | 0.63% | 9,562,405 | |
| 219,127 | Institution | 0.46% | 6,797,320 | |
| 182,346 | Institution | 0.38% | 6,770,507 |
FAQ
Who Owns Amphastar Pharmaceuticals (AMPH)?
Currently, no data Available
What percentage of Amphastar Pharmaceuticals (AMPH) stock is held by institutional investors?
Currently, no data Available
What percentage of Amphastar Pharmaceuticals (AMPH) stock is held by retail investors?
Currently, no data Available
Who owns the most shares of Amphastar Pharmaceuticals (AMPH)?
Jack Zhang owns the most shares of Amphastar Pharmaceuticals (AMPH).
What is the significance of the ownership structure for a publicly traded company?
The ownership structure can impact the company's decision making, as large institutional investors may exert influence on the company's management and can also affect the company's stock price with their buying and selling patterns.