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Amphastar Pharmaceuticals
AMPH

271 hedge funds and large institutions have $1.47B invested in Amphastar Pharmaceuticals in 2024 Q1 according to their latest regulatory filings, with 47 funds opening new positions, 89 increasing their positions, 98 reducing their positions, and 53 closing their positions.

New
Increased
Maintained
Reduced
Closed

21% more call options, than puts

Call options by funds: $3.17M | Put options by funds: $2.61M

0% more funds holding in top 10

Funds holding in top 10: 3 → 3 (0)

0.92% less ownership

Funds ownership: 70.69% → 69.78% (-0.92%)

9% less repeat investments, than reductions

Existing positions increased: 89 | Existing positions reduced: 98

2% less funds holding

Funds holding: 277 → 271 (-6)

11% less first-time investments, than exits

New positions opened: 47 | Existing positions closed: 53

30% less capital invested

Capital invested by funds: $2.09B → $1.47B (-$622M)

Holders
271
Holders Change
-6
Holders Change %
-2.17%
% of All Funds
3.9%
Holding in Top 10
3
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.04%
New
47
Increased
89
Reduced
98
Closed
53
Calls
$3.17M
Puts
$2.61M
Net Calls
+$553K
Net Calls Change
-$610K

Top Buyers

1
American Century Companies
American Century Companies
Missouri
+$14.5M
2
Point72 Asset Management
Point72 Asset Management
Connecticut
+$13.6M
3
TD Asset Management
TD Asset Management
Ontario, Canada
+$11.2M
4
BCM
Boone Capital Management
Georgia
+$10.7M
5
EIP
Epoch Investment Partners
New York
+$10.6M

Top Sellers

1
Federated Hermes
Federated Hermes
Pennsylvania
-$61.8M
2
Morgan Stanley
Morgan Stanley
New York
-$30.1M
3
Dimensional Fund Advisors
Dimensional Fund Advisors
Texas
-$8.02M
4
BHWA
Beacon Harbor Wealth Advisors
Virginia
-$6.38M
5
LSV Asset Management
LSV Asset Management
Illinois
-$4.79M
Name Holding Trade Value Shares
Change 		Change in
Stake
EGM
101
Engineers Gate Manager
New York
$1.12M +$743K +14,391 +130%
Envestnet Asset Management
102
Envestnet Asset Management
Illinois
$1.04M +$37.5K +726 +3%
SOADOR
103
State of Alaska Department of Revenue
Alaska
$999K -$11.6K -225 -1%
Arrowstreet Capital
104
Arrowstreet Capital
Massachusetts
$990K +$1.16M +22,539 New
DADC
105
D.A. Davidson & Co
Montana
$951K -$257K -4,973 -19%
Susquehanna International Group
106
Susquehanna International Group
Pennsylvania
$940K -$297K -5,757 -21%
IMRF
107
Illinois Municipal Retirement Fund
Illinois
$938K -$11.8K -228 -1%
Manulife (Manufacturers Life Insurance)
108
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$935K +$84.8K +1,641 +8%
Fidelity Investments
109
Fidelity Investments
Massachusetts
$917K +$76.5K +1,481 +8%
Deutsche Bank
110
Deutsche Bank
Germany
$912K -$512K -9,911 -32%
WG
111
Winton Group
United Kingdom
$904K +$646K +12,514 +155%
AIG
112
American International Group
New York
$893K -$28.6K -554 -3%
DekaBank Deutsche Girozentrale
113
DekaBank Deutsche Girozentrale
Germany
$892K – – –
CJ
114
Caitlin John
Michigan
$879K +$288K +5,580 +39%
State of Tennessee, Department of Treasury
115
State of Tennessee, Department of Treasury
Tennessee
$861K -$42.7K -827 -4%
MIM
116
MetLife Investment Management
New Jersey
$857K -$49.1K -950 -5%
HF
117
HRT Financial
New York
$817K +$961K +18,608 New
LSERS
118
Louisiana State Employees Retirement System
Louisiana
$812K -$10.3K -200 -1%
DTL
119
Dynamic Technology Lab
Singapore
$777K +$914K +17,689 New
Los Angeles Capital Management
120
Los Angeles Capital Management
California
$765K – – –
SO
121
STRS Ohio
Ohio
$750K +$56.8K +1,100 +7%
US Bancorp
122
US Bancorp
Minnesota
$749K -$217K -4,192 -20%
GT
123
Glenmede Trust
Pennsylvania
$748K -$55.8K -1,080 -6%
VI
124
Versor Investments
New York
$733K +$863K +16,700 New
CIA
125
Capital Impact Advisors
Massachusetts
$721K +$57.9K +1,121 +7%
3 4
5
6 7

AMPH Hedge Fund Activity: Q1 2024 in Review

271 of the 6,942 institutional investors tracked by Wall St. Rank reported a position in Amphastar Pharmaceuticals (AMPH) for Q1 2024, worth a combined $1.47B — down 30% from $2.09B a quarter earlier.

Sellers outnumbered buyers: 53 funds closed out of AMPH and 47 opened new positions — a net loss of 6 holders — while 98 trimmed existing stakes and 89 added.

The largest buyer was American Century Companies, adding an estimated $14.5M. The largest seller was Federated Hermes, cutting an estimated $61.8M.

  • 271 institutional investors held Amphastar Pharmaceuticals (AMPH) as of Q1 2024, down from 277 in Q4 2023.
  • Funds reported $1.47B of Amphastar Pharmaceuticals stock for Q1 2024, down 30% quarter-over-quarter.
  • 47 funds opened new Amphastar Pharmaceuticals positions in Q1 2024 and 53 closed out, a net change of -6 holders.
  • The largest Amphastar Pharmaceuticals buyer in Q1 2024 was American Century Companies, an estimated $14.5M added.
  • The largest Amphastar Pharmaceuticals seller in Q1 2024 was Federated Hermes, an estimated $61.8M sold.

Based on aggregated 13F filings for Q1 2024.