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Amphastar Pharmaceuticals
AMPH

Overview Fund Activity

116 hedge funds and large institutions have $296M invested in Amphastar Pharmaceuticals in 2017 Q1 according to their latest regulatory filings, with 12 funds opening new positions, 49 increasing their positions, 40 reducing their positions, and 28 closing their positions.

Holders
116
Holders Change
-22
Holders Change %
-15.94%
% of All Funds
2.89%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
12
Increased
49
Reduced
40
Closed
28
Calls
$286K
Puts
$416K
Net Calls
-$130K
Net Calls Change
-$130K

Top Buyers

1
BlackRock
1
BlackRock
New York
$80M
2
RCAMU
2
Rothschild & Co Asset Management US
Connecticut
$9.06M
3
Citadel Advisors
3
Citadel Advisors
Florida
$5.16M
4
Dimensional Fund Advisors
4
Dimensional Fund Advisors
Texas
$15.4M
5
State Street
5
State Street
Massachusetts
$15.4M

Top Sellers

1
Fidelity Investments
1
Fidelity Investments
Massachusetts
$4.4M
2
Acadian Asset Management
2
Acadian Asset Management
Massachusetts
$8.28M
3
Federated Hermes
3
Federated Hermes
Pennsylvania
$15.2M
4
Prudential Financial
4
Prudential Financial
New Jersey
$1.29M
5
EI
5
EAM Investors
California
$0
Name Market Value Shares Shares
Change 		Shares
Change %
PCM
101
Prelude Capital Management
New York
$34K 2,326 -7,943 -77%
Zurich Cantonal Bank
102
Zurich Cantonal Bank
Switzerland
$30K 2,083 – –
WEC
103
Winslow Evans & Crocker
Massachusetts
$25.5K 1,758 – –
Group One Trading
104
Group One Trading
Illinois
$23K 1,601 +300 +23%
LIA
105
LS Investment Advisors
Michigan
$22K 1,485 – –
Loomis, Sayles & Company
106
Loomis, Sayles & Company
Massachusetts
$18K 1,245 +53 +4%
Royal Bank of Canada
107
Royal Bank of Canada
Ontario, Canada
$15K 1,006 -13,468 -93%
CG
108
Cutler Group
California
$7K 500 -200 -29%
CHC
109
City Holding Co
West Virginia
$6K 400 – –
Envestnet Asset Management
110
Envestnet Asset Management
Illinois
$4K 270 +77 +40%
LTFS
111
Ladenburg Thalmann Financial Services
Florida
$3K 200 -32 -14%
MAM
112
Meeder Asset Management
Ohio
$3K 197 +197 New
AG
113
Advisor Group
Arizona
$1K 67 +67 New
Walleye Trading
114
Walleye Trading
New York
$194 13,400 +13,400 New
EI
115
EAM Investors
California
– – -173,018 Closed
Susquehanna International Group
116
Susquehanna International Group
Pennsylvania
– – -93,823 Closed
OAM
117
Oxford Asset Management
United Kingdom
– – -91,795 Closed
Two Sigma Investments
118
Two Sigma Investments
New York
– – -78,456 Closed
EIM
119
Essex Investment Management
Massachusetts
– – -63,661 Closed
GCP
120
GSA Capital Partners
United Kingdom
– – -56,544 Closed
IA
121
Icon Advisers
Colorado
– – -42,000 Closed
PAM
122
Panagora Asset Management
Massachusetts
– – -33,916 Closed
BIM
123
Bogle Investment Management
Massachusetts
– – -33,430 Closed
OAM
124
Oberweis Asset Management
Illinois
– – -27,200 Closed
SSA
125
Schonfeld Strategic Advisors
New York
– – -25,561 Closed
2 3 4
5
6