QS Investors, LLC - AMPHASTAR PHARMACEUTICALS IN ownership

AMPHASTAR PHARMACEUTICALS IN's ticker is AMPH and the CUSIP is 03209R103. A total of 134 filers reported holding AMPHASTAR PHARMACEUTICALS IN in Q3 2019. The put-call ratio across all filers is - and the average weighting 0.0%.

Quarter-by-quarter ownership
QS Investors, LLC ownership history of AMPHASTAR PHARMACEUTICALS IN
ValueSharesWeighting
Q2 2021$321,000
+9.9%
15,9000.0%0.00%
+33.3%
Q1 2021$292,000
-8.8%
15,9000.0%0.00%
-25.0%
Q4 2020$320,000
-17.9%
15,900
-23.6%
0.00%
-20.0%
Q3 2020$390,000
-74.8%
20,800
-69.8%
0.01%
-77.3%
Q2 2020$1,549,000
+50.4%
68,937
-0.6%
0.02%
+37.5%
Q1 2020$1,030,000
-25.3%
69,374
-2.6%
0.02%
+14.3%
Q4 2019$1,378,000
-4.1%
71,192
-1.7%
0.01%
-12.5%
Q3 2019$1,437,000
-6.1%
72,4470.0%0.02%
-5.9%
Q2 2019$1,530,000
+0.8%
72,447
-2.5%
0.02%0.0%
Q1 2019$1,518,000
+2.6%
74,2790.0%0.02%
-10.5%
Q4 2018$1,479,000
+3.5%
74,2790.0%0.02%
+35.7%
Q3 2018$1,429,000
+26.1%
74,2790.0%0.01%
+27.3%
Q2 2018$1,133,000
-18.7%
74,2790.0%0.01%
-21.4%
Q1 2018$1,393,000
-8.4%
74,279
-6.1%
0.01%0.0%
Q4 2017$1,521,000
+6.8%
79,064
-0.8%
0.01%
+16.7%
Q3 2017$1,424,000
-2.3%
79,683
-2.3%
0.01%0.0%
Q2 2017$1,457,000
+23.2%
81,5690.0%0.01%
+20.0%
Q1 2017$1,183,000
-21.3%
81,5690.0%0.01%
-16.7%
Q4 2016$1,503,000
+5.6%
81,569
+8.7%
0.01%
+9.1%
Q3 2016$1,423,000
+253.1%
75,026
+200.0%
0.01%
+266.7%
Q2 2016$403,00025,0070.00%
Other shareholders
AMPHASTAR PHARMACEUTICALS IN shareholders Q3 2019
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