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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.

Q3 2021 vs. Q2 2021

How the institutions holding Amphastar Pharmaceuticals, Inc. changed between Q2 2021 and Q3 2021.

All holders in Q3 2021All holders in Q2 2021

13F holders of AMPH: Q2 2021 compared with Q3 2021
MeasureQ2 2021Of which not filed for Q3 2021Q3 2021Change
Holders1462140−4
Shares27.3M16.9K27.9M+679.9K (+2.5%)
Value$549.6M$341.0K$530.8M−$18.5M (−3.4%)

2 institutions that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so the changes leave them out.

New holders (11)

Institutions that held Amphastar Pharmaceuticals, Inc. at the end of Q3 2021 but not at the end of Q2 2021.

Institutions new to AMPH in Q3 2021
InstitutionSharesValue% of portfolio
SG Americas Securities, LLC79,603$1.51M0.01%
Guggenheim Capital LLC37,056$704.0K0.00%
PDT Partners, LLC27,537$523.0K0.04%
Maryland State Retirement & Pension System14,542$281.0K0.01%
Campbell & CO Investment Adviser LLC10,600$202.0K0.07%
First Mercantile Trust Co5,533$105.0K0.01%
Point72 Hong Kong Ltd139$3.00K0.00%
Parallel Advisors, LLC109$2.00K0.00%
Fifth Third Bancorp75$1.00K0.00%
Carroll Financial Associates, Inc.85$1.00K0.00%
Meridian Wealth Partners, LLC56$1.00K0.00%

Sold out (15)

Institutions that held Amphastar Pharmaceuticals, Inc. at the end of Q2 2021 and filed for Q3 2021 without it.

Institutions that sold out of AMPH in Q3 2021
InstitutionShares, Q2 2021Value, Q2 2021
Exchange Traded Concepts, LLC57,851$1.17M
Squarepoint Ops LLC40,760$822.0K
D. E. Shaw & Co., Inc.35,699$720.0K
Citadel Advisors LLC24,373$492.0K
6 Meridian20,838$420.0K
Engineers Gate Manager LP17,184$346.0K
Aigen Investment Management, LP12,390$250.0K
Veriti Management LLC11,949$241.0K
Panagora Asset Management Inc7,916$160.0K
Lazard Asset Management LLC3,479$70.0K
FORA Capital, LLC1,338$27.0K
FMR LLC125$3.00K
Massmutual Trust Co FSB129$3.00K
Group One Trading, L.P.100$2.00K
Parkside Financial Bank & Trust8$0

Not filed for Q3 2021 yet (2)

Institutions that held Amphastar Pharmaceuticals, Inc. at the end of Q2 2021 and haven't filed a 13F for Q3 2021. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding AMPH in Q2 2021 that haven't filed for Q3 2021
InstitutionShares, Q2 2021Value, Q2 2021
QS Investors, LLC15,900$321.0K
Pinnacle Wealth Advisors1,000$20.0K