AMPHASTAR PHARMACEUTICALS IN's ticker is AMPH and the CUSIP is 03209R103. A total of 250 filers reported holding AMPHASTAR PHARMACEUTICALS IN in Q3 2023. The put-call ratio across all filers is 1.02 and the average weighting 0.1%.
Quarter-by-quarter ownership
Value | Shares | Weighting | ||||
---|---|---|---|---|---|---|
Q3 2023 | $11,268 | -9.6% | 245 | +12.9% | 0.00% | – |
Q2 2023 | $12,471 | -22.5% | 217 | -49.4% | 0.00% | – |
Q1 2023 | $16,088 | +27.0% | 429 | -5.1% | 0.00% | – |
Q4 2022 | $12,666 | +5.6% | 452 | +10.0% | 0.00% | – |
Q3 2022 | $12,000 | +300.0% | 411 | +377.9% | 0.00% | – |
Q2 2022 | $3,000 | – | 86 | – | 0.00% | – |
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Other shareholders
Name | Shares | Value | Weighting ↓ |
---|---|---|---|
Alambic Investment Management, L.P. | 29,423 | $583,000 | 0.44% |
Matarin Capital Management, LLC | 223,184 | $4,426,000 | 0.34% |
Summit Global Investments | 42,725 | $847,000 | 0.10% |
FEDERATED HERMES, INC. | 1,747,921 | $34,661,000 | 0.08% |
ROTHSCHILD & CO ASSET MANAGEMENT US INC. | 347,307 | $6,887,000 | 0.08% |
MARSHALL WACE, LLP | 413,293 | $8,196,000 | 0.06% |
BOSTON ADVISORS LLC | 42,365 | $840,000 | 0.04% |
MARTINGALE ASSET MANAGEMENT L P | 214,444 | $4,254,000 | 0.04% |
JACOBS LEVY EQUITY MANAGEMENT, INC | 177,321 | $3,516,000 | 0.04% |
SILVERCREST ASSET MANAGEMENT GROUP LLC | 231,041 | $4,582,000 | 0.04% |