AMPH icon

Amphastar Pharmaceuticals

267 hedge funds and large institutions have $1.37B invested in Amphastar Pharmaceuticals in 2024 Q2 according to their latest regulatory filings, with 38 funds opening new positions, 99 increasing their positions, 99 reducing their positions, and 39 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
267
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
2
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$1.29M
Puts
$1.12M
Net Calls
Net Calls Change

Top Buyers

1 +$28.2M
2 +$14M
3 +$11.6M
4
Marshall Wace
Marshall Wace
United Kingdom
+$9.41M
5
Citadel Advisors
Citadel Advisors
Florida
+$8.1M

Top Sellers

1 -$11.7M
2 -$6.89M
3 -$5.98M
4
BlackRock
BlackRock
New York
-$5.66M
5
Federated Hermes
Federated Hermes
Pennsylvania
-$5.48M
Name Holding Trade Value Shares
Change
Change in
Stake
201
$70.4K
202
$66.9K
203
$60K
204
$58.9K
205
$56.5K
206
$54.8K
207
$47.1K
208
$46.2K
209
$43.9K
210
$39K
211
$37.6K
212
$37.1K
213
$37K
214
$35.6K
215
$32.6K
216
$32K
217
$31.7K
218
$29.8K
219
$29.2K
220
$28K
221
$26K
222
$24.4K
223
$16.3K
224
$16K
225
$15.6K