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Amphastar Pharmaceuticals
AMPH

168 hedge funds and large institutions have $678M invested in Amphastar Pharmaceuticals in 2021 Q4 according to their latest regulatory filings, with 38 funds opening new positions, 62 increasing their positions, 48 reducing their positions, and 7 closing their positions.

New
Increased
Maintained
Reduced
Closed

443% more first-time investments, than exits

New positions opened: 38 | Existing positions closed: 7

29% more repeat investments, than reductions

Existing positions increased: 62 | Existing positions reduced: 48

28% more capital invested

Capital invested by funds: $530M → $678M (+$148M)

21% more funds holding

Funds holding: 139 → 168 (+29)

2.81% more ownership

Funds ownership: 58.15% → 60.96% (+2.8%)

Holders
168
Holders Change
+29
Holders Change %
+20.86%
% of All Funds
2.59%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
38
Increased
62
Reduced
48
Closed
7
Calls
$291K
Puts
–
Net Calls
+$291K
Net Calls Change
+$291K

Top Buyers

Rank Fund Capital Flow
1
Assenagon Asset Management
Assenagon Asset Management
Luxembourg
+$7.15M
2
Arrowstreet Capital
Arrowstreet Capital
Massachusetts
+$4.45M
3
Citadel Advisors
Citadel Advisors
Florida
+$4.37M
4
Fuller & Thaler Asset Management
Fuller & Thaler Asset Management
California
+$4.3M
5
BNP Paribas Financial Markets
BNP Paribas Financial Markets
France
+$2.17M

Top Sellers

Rank Fund Capital Flow
1
Wells Fargo
Wells Fargo
California
-$4.97M
2
Millennium Management
Millennium Management
New York
-$2.53M
3
Norges Bank
Norges Bank
Norway
-$1.65M
4
JP Morgan Chase
JP Morgan Chase
New York
-$1.29M
5
Vanguard Group
Vanguard Group
Pennsylvania
-$1.11M
Name Holding Trade Value Shares
Change 		Change in
Stake
Public Employees Retirement Association of Colorado
101
Public Employees Retirement Association of Colorado
Colorado
$320K – – –
OAM
102
Oberweis Asset Management
Illinois
$314K +$59.3K +2,900 +27%
UBS Group
103
UBS Group
Switzerland
$313K +$85K +4,158 +45%
TI
104
Trexquant Investment
Connecticut
$304K +$267K +13,042 New
Bank of Montreal
105
Bank of Montreal
Ontario, Canada
$298K -$33.9K -1,659 -12%
RHBC
106
R.H. Bluestein & Co
Michigan
$291K – – –
CIP
107
Cornerstone Investment Partners
Georgia
$280K +$246K +12,029 New
State of Tennessee, Department of Treasury
108
State of Tennessee, Department of Treasury
Tennessee
$275K – – –
MIM
109
MetLife Investment Management
New Jersey
$275K – – –
Norges Bank
110
Norges Bank
Norway
$270K -$1.65M -80,600 -87%
DT
111
Diversified Trust
Tennessee
$257K +$225K +11,018 New
MM
112
MQS Management
New York
$255K +$224K +10,935 New
FP
113
Factorial Partners
New York
$254K -$575K -28,100 -72%
Ensign Peak Advisors
114
Ensign Peak Advisors
Utah
$254K – – –
AQR Capital Management
115
AQR Capital Management
Connecticut
$246K -$178K -8,702 -45%
ASRS
116
Arizona State Retirement System
Arizona
$241K -$777 -38 -0.4%
TRSOTSOK
117
Teachers Retirement System of the State of Kentucky
Kentucky
$241K – – –
MLICM
118
Metropolitan Life Insurance Company (MetLife)
New York
$236K -$49.6K -2,428 -19%
MCC
119
Money Concepts Capital
Florida
$224K +$197K +9,630 New
FTDI
120
First Trust Direct Indexing
Massachusetts
$223K +$196K +9,565 New
Royal Bank of Canada
121
Royal Bank of Canada
Ontario, Canada
$174K +$59.7K +2,919 +65%
Zurich Cantonal Bank
122
Zurich Cantonal Bank
Switzerland
$156K +$64.6K +3,161 +89%
Macquarie Group
123
Macquarie Group
Australia
$144K +$116K +5,694 +1,254%
DA
124
Denali Advisors
California
$133K +$117K +5,700 New
MOACM
125
Mutual of America Capital Management
New York
$117K +$2.11K +103 +2%
3 4
5
6 7

AMPH Hedge Fund Activity: Q4 2021 in Review

168 of the 6,498 institutional investors tracked by Wall St. Rank reported a position in Amphastar Pharmaceuticals (AMPH) for Q4 2021, worth a combined $678M — up 28% from $530M a quarter earlier.

Buyers outnumbered sellers: 38 funds opened new AMPH positions and 7 closed out — a net gain of 31 holders — while 62 added to existing stakes and 48 trimmed.

The largest buyer was Assenagon Asset Management, adding an estimated $7.15M. The largest seller was Wells Fargo, cutting an estimated $4.97M.

  • 168 institutional investors held Amphastar Pharmaceuticals (AMPH) as of Q4 2021, up from 139 in Q3 2021.
  • Funds reported $678M of Amphastar Pharmaceuticals stock for Q4 2021, up 28% quarter-over-quarter.
  • 38 funds opened new Amphastar Pharmaceuticals positions in Q4 2021 and 7 closed out, a net change of +31 holders.
  • The largest Amphastar Pharmaceuticals buyer in Q4 2021 was Assenagon Asset Management, an estimated $7.15M added.
  • The largest Amphastar Pharmaceuticals seller in Q4 2021 was Wells Fargo, an estimated $4.97M sold.

Based on aggregated 13F filings for Q4 2021.