Who owns AMPHASTAR PHARMACEUTICALS IN?

Tip: Access positions for across all investors

Analyze quarterly positions in Amphastar Pharmaceuticals In with up to 7 years of data, all consolidated into one spreadsheet

Download as csvDownload consolidated filings csv Download as ExcelDownload consolidated filings xlsx

Top investors of Amphastar Pharmaceuticals In stock

Who bought or sold AMPHASTAR PHARMACEUTICALS IN this quarter?

Fund or Company Name Shares Held Valued At Change in Shares As Of Actions
Linden Advisors 94M $85M 1% Sep 2025
 View chart
Camden Asset Management 37M $33B 33% Sep 2025
 View chart
Wellesley Investment Advisors 20M $18B -53% Dec 2025
 View chart
Oaktree Capital Management 18M $16M 100% Sep 2025
 View chart
Empyrean Capital Partners 15M $14M 0% Sep 2025
 View chart
Tenor Capital Management 15M $14M 100% Sep 2025
 View chart
Silverback Asset Management 10M $9.1M 103% Sep 2025
 View chart
Calamos Advisors 10M $9.2M 0% Dec 2025
 View chart
MacKay Shields 8.7M $8.1M -25% Dec 2025
 View chart
Leucadia National Corporation 4.4M $4.0M 269% Sep 2025
 View chart
Russell Investments 3.8M $3.5M 100% Sep 2025
 View chart
FMR 3.8M $3.4M -16% Sep 2025
 View chart
BlackRock 3.5M $3.1M 3% Sep 2025
 View chart
Advent Capital Management 3.2M $2.9M 0% Sep 2025
 View chart
CSS 2.6M $2.3M 100% Sep 2025
 View chart
Palisade Capital Management 2.5M $2.3M 0% Sep 2025
 View chart
Kim 2.5M $2.3M 0% Dec 2025
 View chart
Royal Bank of Canada 2.1M $1.9M 100% Sep 2025
 View chart
Cutler Capital Management 2.0M $1.8M 51% Sep 2025
 View chart
Jpmorgan Chase & Co 1.7M $1.6M 100% Sep 2025
 View chart
Wells Fargo & Company 1.4M $1.3M -68% Sep 2025
 View chart
Universal- Beteiligungs- und Servicegesellschaft mbH 1.2M $1.1M 0% Dec 2025
 View chart
Lazard Asset Management 943k $8.6k -83% Sep 2025
 View chart
SSI Investment Management 367k $333k -1% Sep 2025
 View chart
Barclays 328k $298k -11% Sep 2025
 View chart
Bank of New York Mellon 300k $278k 0% Dec 2025
 View chart
Zurcher Kantonalbank 250k $231k 0% Dec 2025
 View chart
Sei Investments 139k $128k 0% Dec 2025
 View chart
Cetera Investment Advisers 111k $101k -8% Sep 2025
 View chart
Jane Street 100k $91k -50% Sep 2025
 View chart
Rsm Us Wealth Management 37k $34k 0% Dec 2025
 View chart
Nomura Holdings 23k $610k -53% Sep 2025
 View chart
Context Capital Management 19k $18M -29% Sep 2025
 View chart
Goldman Sachs Group 16k $15k 0% Dec 2025
 View chart
Capital Investment Advisory Services 16k $15k 0% Dec 2025
 View chart
Raymond James Financial 14k $13k 0% Sep 2025
 View chart
Insigneo Advisory Services 11k $10k 0% Sep 2025
 View chart
Brian McDonald 11k $10k 0% Dec 2025
 View chart
Wealth Enhancement Advisory Services 10k $9.3k 100% Dec 2025
 View chart
Steward Partners Investment Advisory 4.0k $3.6k 0% Sep 2025
 View chart
Advisor Group Holdings 6.00 $5.5k 100% Sep 2025
 View chart
Erste Asset Management GmbH 0 $0 -100% Sep 2025
 View chart

Who sold out of Amphastar Pharmaceuticals In?

Fund or Company Name Date Sold Shares Held Valued At
Jump Financial Jun 2025 7.0M $6.1M
Branch Banking & Trust Company Sep 2025 511k $463k
Oppenheimer Asset Management Sep 2025 85k $77k
Stephens Sep 2025 26k $24k
Balboa Wealth Partners Sep 2025 14k $13k
Fifth Third Bancorp Sep 2025 5.0k $453k