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Amphastar Pharmaceuticals

242 hedge funds and large institutions have $753M invested in Amphastar Pharmaceuticals in 2025 Q2 according to their latest regulatory filings, with 43 funds opening new positions, 92 increasing their positions, 73 reducing their positions, and 40 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
242
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$447K
Puts
$381K
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
GI
176
GAMMA Investing
California
$49.6K
Mirae Asset Global Investments
177
Mirae Asset Global Investments
South Korea
$41.8K
BTI
178
Blue Trust Inc
Georgia
$40.8K
TPCW
179
TD Private Client Wealth
New York
$38.9K
AF
180
Allworth Financial
California
$35.5K
HFS
181
Hantz Financial Services
Michigan
$32K
Simplex Trading
182
Simplex Trading
Illinois
$31K
S
183
SignatureFD
Georgia
$29.2K
MPWT
184
MassMutual Private Wealth & Trust
Connecticut
$29K
GFM
185
GF Fund Management
China
$28.2K
Russell Investments Group
186
Russell Investments Group
United Kingdom
$19.2K
CIBC Private Wealth Group
187
CIBC Private Wealth Group
Georgia
$16.6K
1IA
188
1620 Investment Advisors
Massachusetts
$15.7K
VCM
189
Versant Capital Management
Arizona
$14.3K
Fifth Third Bancorp
190
Fifth Third Bancorp
Ohio
$11K
US Bancorp
191
US Bancorp
Minnesota
$9.9K
Ohio Public Employees Retirement System (OPERS)
192
Ohio Public Employees Retirement System (OPERS)
Ohio
$9.51K
Nisa Investment Advisors
193
Nisa Investment Advisors
Missouri
$8.59K
CIAM
194
Caitong International Asset Management
Hong Kong
$8.54K
Jones Financial Companies
195
Jones Financial Companies
Missouri
$8.47K
GRP
196
Global Retirement Partners
California
$7.37K
TC
197
Truvestments Capital
Florida
$7.28K
PA
198
Parallel Advisors
California
$6.93K
HI
199
Harbour Investments
Wisconsin
$6.2K
HCA
200
Harbor Capital Advisors
Illinois
$6K