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Amphastar Pharmaceuticals, Inc.

AMPH
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
SEC CIK
0001297184

In the last 90 days, Amphastar Pharmaceuticals, Inc. insiders filed 0 open-market purchases and 5 sales; 212 institutions reported holding it in 13F filings for Q2 2026, worth $572.1M in total; no superinvestor holds it.

Q2 2023 vs. Q1 2023

How the institutions holding Amphastar Pharmaceuticals, Inc. changed between Q1 2023 and Q2 2023.

All holders in Q2 2023All holders in Q1 2023

13F holders of AMPH: Q1 2023 compared with Q2 2023
MeasureQ1 2023Q2 2023Change
Holders218246+28
Shares30.2M31.4M+1.20M (+4.0%)
Value$1.13B$1.80B+$671.1M (+59.2%)

New holders (50)

Institutions that held Amphastar Pharmaceuticals, Inc. at the end of Q2 2023 but not at the end of Q1 2023.

Institutions new to AMPH in Q2 2023
InstitutionSharesValue% of portfolio
Epoch Investment Partners, Inc.132,096$7.59M0.04%
Beacon Harbor Wealth Advisors, Inc.105,005$6.04M1.98%
1832 Asset Management L.P.100,000$5.75M0.01%
Penserra Capital Management LLC64,291$3.69M0.07%
Clark Capital Management Group, Inc.34,632$1.99M0.02%
Two Sigma Investments, LP30,010$1.72M0.00%
Roman Butler Fullerton & Co24,710$1.54M0.71%
Bridge City Capital, LLC22,814$1.31M0.62%
Zacks Investment Management20,686$1.19M0.01%
Spire Wealth Management19,523$1.12M0.04%
ExodusPoint Capital Management, LP19,381$1.11M0.01%
Empowered Funds, LLC17,519$1.01M0.04%
EA Series Trust17,519$1.01M0.04%
STRS Ohio15,100$867.0K0.00%
Skandinaviska Enskilda Banken AB (publ)13,200$759.0K0.00%
J.W. Cole Advisors, Inc.10,922$627.7K0.04%
Balyasny Asset Management LLC9,144$525.5K0.00%
Legato Capital Management LLC8,091$465.0K0.06%
Petrus Trust Company, LTA8,010$460.3K0.05%
Select Equity Group, L.P.7,211$414.4K0.00%
Commonwealth Equity Services, LLC7,187$413.0K0.00%
Ci Investments Inc.6,791$390.0K0.00%
Lido Advisors, LLC6,559$376.9K0.00%
Guidance Capital, Inc6,885$376.5K0.16%
Profund Advisors LLC6,218$357.3K0.02%
Qube Research & Technologies Ltd6,157$353.8K0.00%
Virtus Investment Advisers, Inc.6,109$351.1K0.24%
XTX Topco Ltd6,105$350.9K0.06%
Verition Fund Management LLC5,545$318.7K0.00%
Pictet Asset Management SA5,116$294.0K0.00%
Advisor Partners II, LLC4,899$281.5K0.01%
Horizon Investment Services, LLC4,808$276.3K0.17%
Baader Bank INC4,500$258.6K0.02%
Hancock Whitney Corp3,998$230.0K0.01%
Mercer Global Advisors Inc3,701$213.0K0.00%
Eqis Capital Management, Inc.3,586$206.1K0.02%
Pacer Advisors, Inc.1,028$59.1K0.00%
Virtus Fund Advisers, LLC981$56.4K0.40%
West Tower Group, LLC677$38.9K0.03%
Mark Sheptoff Financial Planning, LLC300$17.2K0.01%
Silicon Valley Capital Partners229$13.2K0.00%
Simplex Trading, LLC196$11.0K0.00%
Raleigh Capital Management Inc.124$7.13K0.00%
Global Trust Asset Management, LLC100$5.75K0.00%
Nelson, Van Denburg & Campbell Wealth Management Group, LLC80$4.60K0.00%
First Capital Advisors Group, LLC.42$2.41K0.00%
Carolinas Wealth Consulting LLC33$1.88K0.00%
Sofos Investments, Inc.57$9490.00%
Abound Wealth Management6$3450.00%
Rosenberg Matthew Hamilton1$570.00%

Sold out (22)

Institutions that held Amphastar Pharmaceuticals, Inc. at the end of Q1 2023 and filed for Q2 2023 without it.