Cortina Asset Management, LLC - AMPHASTAR PHARMACEUTICALS IN ownership

AMPHASTAR PHARMACEUTICALS IN's ticker is AMPH and the CUSIP is 03209R103. A total of 117 filers reported holding AMPHASTAR PHARMACEUTICALS IN in Q1 2018. The put-call ratio across all filers is - and the average weighting 0.0%.

Quarter-by-quarter ownership
Cortina Asset Management, LLC ownership history of AMPHASTAR PHARMACEUTICALS IN
ValueSharesWeighting
Q2 2019$5,526,000
+2.4%
261,771
-0.8%
0.34%
+1.5%
Q1 2019$5,394,000
-18.7%
264,004
-20.8%
0.34%
-17.2%
Q4 2018$6,636,000
-2.1%
333,483
-5.3%
0.41%
+28.8%
Q3 2018$6,776,000
+13.2%
352,170
-10.2%
0.32%
+12.5%
Q2 2018$5,986,000
+22.0%
392,296
+49.9%
0.28%
+16.6%
Q1 2018$4,907,000261,6920.24%
Other shareholders
AMPHASTAR PHARMACEUTICALS IN shareholders Q1 2018
NameSharesValueWeighting ↓
MQS Management LLC 10,935$255,0000.41%
GLOBEFLEX CAPITAL L P 144,692$3,370,0000.34%
CORNERCAP INVESTMENT COUNSEL INC 58,975$1,374,0000.20%
Factorial Partners, LLC 10,900$254,0000.17%
FEDERATED HERMES, INC. 3,464,335$80,684,0000.15%
Campbell & CO Investment Adviser LLC 14,800$345,0000.12%
FULLER & THALER ASSET MANAGEMENT, INC. 611,462$14,241,0000.08%
Summit Global Investments 45,900$1,069,0000.07%
RENAISSANCE GROUP LLC 63,559$1,480,0000.06%
PDT Partners, LLC 33,459$779,0000.06%
View complete list of AMPHASTAR PHARMACEUTICALS IN shareholders