Cortina Asset Management, LLC - AMPHASTAR PHARMACEUTICALS IN ownership

AMPHASTAR PHARMACEUTICALS IN's ticker is AMPH and the CUSIP is 03209R103. A total of 114 filers reported holding AMPHASTAR PHARMACEUTICALS IN in Q2 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 Q2 2018
NameSharesValueWeighting ↓
Campbell & CO Investment Adviser LLC 11,961$219,0000.13%
FEDERATED HERMES, INC. 3,441,367$63,046,0000.12%
CORNERCAP INVESTMENT COUNSEL INC 54,751$1,003,0000.11%
GSA CAPITAL PARTNERS LLP 34,425$631,0000.10%
First Trust Direct Indexing L.P. 11,913$218,0000.06%
Summit Global Investments 47,546$871,0000.06%
WINTON GROUP Ltd 49,766$912,0000.05%
FULLER & THALER ASSET MANAGEMENT, INC. 397,950$7,290,0000.05%
AIGEN INVESTMENT MANAGEMENT, LP 16,077$295,0000.04%
EXCHANGE TRADED CONCEPTS, LLC 52,334$959,0000.04%
View complete list of AMPHASTAR PHARMACEUTICALS IN shareholders