LIVE VIEW · AMPHAmphastar Pharmaceuticals, Inc.PharmaceuticalsAMPH research Sign up to open the full interactive terminal, save boards, and get alerts
AMPH · Live chart
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AMPH · Smart-money compositeas of Sep 13
-12SHORTsmart-money positioning
-100 short0+100 long
InsiderSHORT
Congressno congressional trade in t...
13F fundsNEUTRAL
Short volumeFINRA short-volume is not c...
2 of 4 families contributing
AMPH · Recent signals
Point72 Asset Management, L.P. new position in AMPHMEDIUMLONGSep 6
MILLENNIUM MANAGEMENT LLC cut 91% of AMPH (2026Q2)HIGHSHORTSep 6
CITADEL ADVISORS LLC cut 93% of AMPH (2026Q2)HIGHSHORTSep 6
CITADEL ADVISORS LLC cut 95% of AMPH (2026Q2)HIGHSHORTSep 6
CITADEL ADVISORS LLC cut 95% of AMPH (2026Q2)HIGHSHORTSep 6
TWO SIGMA INVESTMENTS, LP added +80% to AMPH (2026Q2)HIGHLONGSep 6
Point72 Asset Management, L.P. new position in AMPHMEDIUMLONGSep 6
MILLENNIUM MANAGEMENT LLC cut 91% of AMPH (2026Q2)HIGHSHORTSep 6
AMPH · Institutional holdersas of 2026Q2
D. E. Shaw & Co., Inc.$17.9Mn/a
RENAISSANCE TECHNOLOGIES LLC$10.6Mn/a
TWO SIGMA INVESTMENTS, LP$5.0Mn/a
Point72 Asset Management, L.P.$1.1Mn/a
MILLENNIUM MANAGEMENT LLC$642Kn/a
CITADEL ADVISORS LLC$328Kn/a
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