Watershed Asset Management, L.L.C. - AMPHASTAR PHARMACEUTICALS IN ownership

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
Watershed Asset Management, L.L.C. ownership history of AMPHASTAR PHARMACEUTICALS IN
ValueSharesWeighting
Q2 2023$265,914
+5.5%
4,627
-31.2%
0.33%
+7.5%
Q1 2023$252,113
-5.8%
6,723
-29.6%
0.31%
-9.7%
Q4 2022$267,7319,5550.34%
Other shareholders
AMPHASTAR PHARMACEUTICALS IN shareholders Q3 2023
NameSharesValueWeighting ↓
LAM GROUP, INC. 128,000$5,886,7205.78%
Beacon Harbor Wealth Advisors, Inc. 103,095$4,7411.58%
Capital Impact Advisors, LLC 15,304$703,8311.18%
Quantedge Capital Pte Ltd 36,389$1,673,5300.91%
Mesirow Institutional Investment Management, Inc. 183,805$8,453,1920.86%
Monashee Investment Management LLC 39,461$1,814,8110.76%
OBERWEIS ASSET MANAGEMENT INC/ 152,500$7,013,4750.74%
Granite Investment Partners, LLC 330,911$15,218,5970.64%
Portolan Capital Management 132,850$6,109,7720.57%
SHAKER INVESTMENTS LLC/OH 20,795$956,3620.53%
View complete list of AMPHASTAR PHARMACEUTICALS IN shareholders