We are live on ! Find out more
AMPH icon

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
AllianceBernstein
76
AllianceBernstein
Tennessee
$2.07M -$1.53M -29,650 -39%
Osaic Holdings
77
Osaic Holdings
Arizona
$1.96M +$1.66M +32,232 +261%
UBS AM
78
UBS AM
Illinois
$1.92M -$75.2K -1,456 -3%
Prudential Financial
79
Prudential Financial
New Jersey
$1.84M -$52.9K -1,025 -2%
CCMG
80
Clark Capital Management Group
Pennsylvania
$1.76M -$1.15M -22,178 -36%
Canada Life
81
Canada Life
Manitoba, Canada
$1.75M +$467K +9,037 +29%
HIM
82
Hillsdale Investment Management
Ontario, Canada
$1.72M -$2.95M -57,074 -59%
MAM
83
Martingale Asset Management
Massachusetts
$1.72M – – –
Jane Street
84
Jane Street
New York
$1.71M -$678K -13,119 -25%
BWS
85
Buck Wealth Strategies
Colorado
$1.68M +$1.98M +38,318 New
California State Teachers Retirement System (CalSTRS)
86
California State Teachers Retirement System (CalSTRS)
California
$1.68M -$149K -2,886 -7%
AssetMark Inc
87
AssetMark Inc
California
$1.57M -$516 -10 -0%
Citigroup
88
Citigroup
New York
$1.53M +$207K +4,008 +13%
BCC
89
Bridge City Capital
Oregon
$1.53M +$14.2K +275 +0.8%
NA
90
Navellier & Associates
Nevada
$1.52M +$1.39M +26,864 +348%
RI
91
Redwood Investments
Massachusetts
$1.52M +$1.81M +35,056 New
Russell Investments Group
92
Russell Investments Group
United Kingdom
$1.51M -$1.52M -29,346 -46%
TPSF
93
Texas Permanent School Fund
Texas
$1.44M +$21.9K +424 +1%
Thrivent Financial for Lutherans
94
Thrivent Financial for Lutherans
Minnesota
$1.42M -$45.4K -880 -3%
New York State Teachers Retirement System (NYSTRS)
95
New York State Teachers Retirement System (NYSTRS)
New York
$1.35M +$181K +3,514 +13%
SEI Investments
96
SEI Investments
Pennsylvania
$1.34M -$344K -6,653 -18%
Axa
97
Axa
France
$1.3M -$129K -2,500 -8%
GAM
98
Gotham Asset Management
New York
$1.27M +$906K +17,551 +155%
AO
99
Advisor OS
Illinois
$1.18M +$1.39M +26,939 New
Franklin Resources
100
Franklin Resources
California
$1.13M -$46.2K -894 -3%
2 3
4
5 6

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.