BlackRock Fund Advisors - AMPHASTAR PHARMACEUTICALS IN ownership

AMPHASTAR PHARMACEUTICALS IN's ticker is AMPH and the CUSIP is 03209R103. A total of 138 filers reported holding AMPHASTAR PHARMACEUTICALS IN in Q4 2016. The put-call ratio across all filers is - and the average weighting 0.0%.

Quarter-by-quarter ownership
BlackRock Fund Advisors ownership history of AMPHASTAR PHARMACEUTICALS IN
ValueSharesWeighting
Q4 2016$71,844,000
+22.8%
3,900,323
+26.4%
0.01%
+8.3%
Q3 2016$58,523,000
+141.5%
3,085,037
+105.3%
0.01%
+140.0%
Q2 2016$24,229,000
+43.9%
1,503,059
+7.1%
0.01%
+25.0%
Q1 2016$16,835,000
-13.7%
1,402,948
+2.3%
0.00%
-20.0%
Q4 2015$19,517,000
+13.0%
1,371,557
-7.2%
0.01%
+25.0%
Q3 2015$17,278,000
-29.8%
1,478,032
+5.5%
0.00%
-33.3%
Q2 2015$24,621,000
+100.6%
1,400,491
+70.7%
0.01%
+100.0%
Q1 2015$12,273,000
+36.1%
820,374
+5.7%
0.00%
+50.0%
Q4 2014$9,015,000
+240.3%
776,444
+241.4%
0.00%
+100.0%
Q3 2014$2,649,000227,4180.00%
Other shareholders
AMPHASTAR PHARMACEUTICALS IN shareholders Q4 2016
NameSharesValueWeighting ↓
LAM GROUP, INC. 130,250$3,649,6053.75%
SHAKER INVESTMENTS LLC/OH 81,287$2,277,6621.41%
Mesirow Institutional Investment Management, Inc. 374,414$10,491,0801.38%
OBERWEIS ASSET MANAGEMENT INC/ 134,000$3,754,6800.80%
Portolan Capital Management 270,791$7,587,5640.75%
Hillsdale Investment Management Inc. 172,238$4,826,1090.41%
Capital Impact Advisors, LLC 14,669$411,0250.40%
Watershed Asset Management, L.L.C. 9,555$267,7310.34%
Quantedge Capital Pte Ltd 35,153$984,9870.33%
FEDERATED HERMES, INC. 3,284,217$92,023,7600.25%
View complete list of AMPHASTAR PHARMACEUTICALS IN shareholders