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Amphastar Pharmaceuticals
AMPH

218 hedge funds and large institutions have $1.13B invested in Amphastar Pharmaceuticals in 2023 Q1 according to their latest regulatory filings, with 32 funds opening new positions, 76 increasing their positions, 82 reducing their positions, and 26 closing their positions.

New
Increased
Maintained
Reduced
Closed

285% more call options, than puts

Call options by funds: $2.23M | Put options by funds: $581K

48% more capital invested

Capital invested by funds: $764M → $1.13B (+$368M)

23% more first-time investments, than exits

New positions opened: 32 | Existing positions closed: 26

2.76% more ownership

Funds ownership: 60.3% → 63.06% (+2.8%)

2% more funds holding

Funds holding: 213 → 218 (+5)

0% more funds holding in top 10

Funds holding in top 10: 1 → 1 (0)

7% less repeat investments, than reductions

Existing positions increased: 76 | Existing positions reduced: 82

Holders
218
Holders Change
+5
Holders Change %
+2.35%
% of All Funds
3.47%
Holding in Top 10
1
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.02%
New
32
Increased
76
Reduced
82
Closed
26
Calls
$2.23M
Puts
$581K
Net Calls
+$1.65M
Net Calls Change
+$628K

Top Buyers

1
GIP
Granite Investment Partners
California
+$17.6M
2
Neuberger Berman Group
Neuberger Berman Group
New York
+$14.1M
3
Fuller & Thaler Asset Management
Fuller & Thaler Asset Management
California
+$10.2M
4
Millennium Management
Millennium Management
New York
+$8.07M
5
Bank of America
Bank of America
North Carolina
+$7.4M

Top Sellers

1
BlackRock
BlackRock
New York
-$15.5M
2
T. Rowe Price Associates
T. Rowe Price Associates
Maryland
-$10.5M
3
Pacer Advisors
Pacer Advisors
Pennsylvania
-$6.47M
4
Arrowstreet Capital
Arrowstreet Capital
Massachusetts
-$3.01M
5
Morgan Stanley
Morgan Stanley
New York
-$2.72M
Name Holding Trade Value Shares
Change 		Change in
Stake
GAM
151
Gotham Asset Management
New York
$319K -$386K -11,765 -58%
PWM
152
Perigon Wealth Management
California
$302K +$6.56K +200 +3%
AIM
153
Aigen Investment Management
New York
$292K +$256K +7,799 New
HWAM
154
Hennion & Walsh Asset Management
New Jersey
$262K +$229K +6,982 New
Zurich Cantonal Bank
155
Zurich Cantonal Bank
Switzerland
$255K -$33.7K -1,028 -13%
WAM
156
Watershed Asset Management
California
$252K -$92.8K -2,832 -30%
TD Asset Management
157
TD Asset Management
Ontario, Canada
$244K +$213K +6,500 New
B
158
Bailard
California
$240K +$210K +6,400 New
QC
159
Quantedge Capital
Singapore
$240K -$943K -28,764 -82%
CL
160
CIM LLC
New York
$238K -$4.88K -149 -2%
ACM
161
Aquatic Capital Management
Illinois
$214K +$187K +5,700 New
State Board of Administration of Florida Retirement System
162
State Board of Administration of Florida Retirement System
Florida
$211K +$184K +5,623 New
Amundi
163
Amundi
France
$210K +$177K +5,404 New
DWM
164
Dakota Wealth Management
Florida
$203K +$178K +5,426 New
CC
165
Centiva Capital
New York
$200K +$175K +5,344 New
Lazard Asset Management
166
Lazard Asset Management
New York
$152K -$64.7K -1,974 -33%
Royal Bank of Canada
167
Royal Bank of Canada
Ontario, Canada
$149K -$157K -4,777 -54%
US Bancorp
168
US Bancorp
Minnesota
$126K +$1.9K +58 +2%
KBC Group
169
KBC Group
Belgium
$119K – – –
AIP
170
Ameritas Investment Partners
Nebraska
$115K – – –
PNC Financial Services Group
171
PNC Financial Services Group
Pennsylvania
$85.5K -$3.15K -96 -4%
MLICM
172
Metropolitan Life Insurance Company (MetLife)
New York
$77.8K -$6.33K -193 -9%
TRCT
173
Tower Research Capital (TRC)
New York
$75K +$44.2K +1,347 +207%
Osaic Holdings
174
Osaic Holdings
Arizona
$65.4K +$1.38K +42 +2%
AF
175
Allworth Financial
California
$53K +$1.02K +31 +2%
5 6
7
8 9

AMPH Hedge Fund Activity: Q1 2023 in Review

218 of the 6,275 institutional investors tracked by Wall St. Rank reported a position in Amphastar Pharmaceuticals (AMPH) for Q1 2023, worth a combined $1.13B — up 48% from $764M a quarter earlier.

Buyers outnumbered sellers: 32 funds opened new AMPH positions and 26 closed out — a net gain of 6 holders — while 76 added to existing stakes and 82 trimmed.

The largest buyer was Granite Investment Partners, opening a new position worth an estimated $17.6M. The largest seller was BlackRock, cutting an estimated $15.5M.

  • 218 institutional investors held Amphastar Pharmaceuticals (AMPH) as of Q1 2023, up from 213 in Q4 2022.
  • Funds reported $1.13B of Amphastar Pharmaceuticals stock for Q1 2023, up 48% quarter-over-quarter.
  • 32 funds opened new Amphastar Pharmaceuticals positions in Q1 2023 and 26 closed out, a net change of +6 holders.
  • The largest Amphastar Pharmaceuticals buyer in Q1 2023 was Granite Investment Partners, an estimated $17.6M added.
  • The largest Amphastar Pharmaceuticals seller in Q1 2023 was BlackRock, an estimated $15.5M sold.

Based on aggregated 13F filings for Q1 2023.