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Amphastar Pharmaceuticals
AMPH

Overview Fund Activity

207 hedge funds and large institutions have $839M invested in Amphastar Pharmaceuticals in 2022 Q3 according to their latest regulatory filings, with 21 funds opening new positions, 80 increasing their positions, 81 reducing their positions, and 35 closing their positions.

Holders
207
Holders Change
-15
Holders Change %
-6.76%
% of All Funds
3.58%
Holding in Top 10
–
Holding in Top 10 Change
-2
Holding in Top 10 Change %
-100%
% of All Funds
–
New
21
Increased
80
Reduced
81
Closed
35
Calls
$2.77M
Puts
$935K
Net Calls
+$1.83M
Net Calls Change
+$56.5M

Top Buyers

1
T. Rowe Price Associates
1
T. Rowe Price Associates
Maryland
$22.7M
2
MIIM
2
Mesirow Institutional Investment Management
Illinois
$10.6M
3
Allspring Global Investments
3
Allspring Global Investments
North Carolina
$6.37M
4
Citadel Advisors
4
Citadel Advisors
Florida
$4.93M
5
OAM
5
Oberweis Asset Management
Illinois
$2.85M

Top Sellers

1
MFIMFI
1
Mesirow Financial Investment Management - Fixed Income
Illinois
$0
2
Assenagon Asset Management
2
Assenagon Asset Management
Luxembourg
$4.08M
3
CM
3
Castleark Management
Illinois
$0
4
Pacer Advisors
4
Pacer Advisors
Pennsylvania
$0
5
Nuveen Asset Management
5
Nuveen Asset Management
Illinois
$11.7M
Name Market Value Shares Shares
Change 		Shares
Change %
Bank of Montreal
201
Bank of Montreal
Ontario, Canada
$222 6,816 +321 +5%
MFIMFI
202
Mesirow Financial Investment Management - Fixed Income
Illinois
– – -341,294 Closed
CM
203
Castleark Management
Illinois
– – -192,649 Closed
Pacer Advisors
204
Pacer Advisors
Pennsylvania
– – -149,964 Closed
Calamos Advisors
205
Calamos Advisors
Illinois
– – -100,942 Closed
CCMG
206
Clark Capital Management Group
Pennsylvania
– – -68,957 Closed
EI
207
EAM Investors
California
– – -68,855 Closed
State of New Jersey Common Pension Fund D
208
State of New Jersey Common Pension Fund D
New Jersey
– – -67,410 Closed
GCM
209
Graham Capital Management
Connecticut
– – -60,386 Closed
PP
210
PDT Partners
New York
– – -54,804 Closed
EGI
211
EAM Global Investors
California
– – -48,505 Closed
Tudor Investment Corp
212
Tudor Investment Corp
Connecticut
– – -30,676 Closed
Two Sigma Investments
213
Two Sigma Investments
New York
– – -21,200 Closed
Wellington Management Group
214
Wellington Management Group
Massachusetts
– – -15,900 Closed
Capital Fund Management (CFM)
215
Capital Fund Management (CFM)
France
– – -13,955 Closed
RA
216
Royce & Associates
New York
– – -13,546 Closed
HF
217
HRT Financial
New York
– – -12,340 Closed
Rafferty Asset Management
218
Rafferty Asset Management
New York
– – -7,735 Closed
QT
219
Quantamental Technologies
New York
– – -7,677 Closed
SS
220
Simplicity Solutions
Minnesota
– – -7,074 Closed
TD Asset Management
221
TD Asset Management
Ontario, Canada
– – -6,500 Closed
Envestnet Asset Management
222
Envestnet Asset Management
Illinois
– – -6,053 Closed
Group One Trading
223
Group One Trading
Illinois
– – -3,826 Closed
CM
224
Caption Management
Oklahoma
– – -3,316 Closed
CAPTRUST Financial Advisors
225
CAPTRUST Financial Advisors
North Carolina
– – -2,990 Closed
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9
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