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Amphastar Pharmaceuticals

Name Holding Trade Value Shares
Change
Change in
Stake
BlackRock
1
BlackRock
New York
$125M +$1.82M +87,107 +1%
Vanguard Group
2
Vanguard Group
Pennsylvania
$50.3M +$1.2M +57,349 +2%
Dimensional Fund Advisors
3
Dimensional Fund Advisors
Texas
$38.4M -$2.23M -106,596 -6%
Federated Hermes
4
Federated Hermes
Pennsylvania
$34.4M +$3.24M +154,972 +11%
State Street
5
State Street
Massachusetts
$23.1M +$640K +30,621 +3%
Renaissance Technologies
6
Renaissance Technologies
New York
$12.4M +$3.06M +146,400 +33%
Nuveen
7
Nuveen
North Carolina
$12.1M +$12M +574,783 New
Geode Capital Management
8
Geode Capital Management
Massachusetts
$10.2M +$829K +39,634 +9%
Northern Trust
9
Northern Trust
Illinois
$10.1M +$131K +6,260 +1%
Bank of New York Mellon
10
Bank of New York Mellon
New York
$8.23M -$219K -10,482 -3%
RCAMU
11
Rothschild & Co Asset Management US
Connecticut
$7.34M +$710K +33,957 +11%
Principal Financial Group
12
Principal Financial Group
Iowa
$6.18M +$310K +14,850 +5%
UBS AM
13
UBS AM
Illinois
$6.15M -$90.9K -4,348 -1%
Invesco
14
Invesco
Georgia
$5.91M -$12.3M -586,878 -68%
CAM
15
Cortina Asset Management
Wisconsin
$5.53M -$46.7K -2,233 -0.8%
Nordea Investment Management
16
Nordea Investment Management
Sweden
$5.14M -$221K -10,595 -4%
MCM
17
Matarin Capital Management
New York
$5M +$314K +15,040 +7%
Charles Schwab
18
Charles Schwab
California
$4.48M +$473K +22,618 +12%
Wells Fargo
19
Wells Fargo
California
$4.35M -$1.04M -49,734 -19%
MAM
20
Martingale Asset Management
Massachusetts
$4.24M -$412K -19,700 -9%
Ameriprise
21
Ameriprise
Minnesota
$4.04M +$12.1K +580 +0.3%
ACM
22
Argent Capital Management
Missouri
$3.97M -$448K -21,410 -10%
MSL
23
Mackay Shields LLC
New York
$3.83M +$2.44M +116,536 +180%
PPA
24
Parametric Portfolio Associates
Washington
$3.62M +$299K +14,324 +9%
Arrowstreet Capital
25
Arrowstreet Capital
Massachusetts
$3.51M +$329K +15,761 +10%