Amphastar Pharmaceuticals, Inc.

AMPH

Exchange: Nasdaq
Industry: Pharmaceutical Preparations
SEC CIK: 0001297184

SEC filings (opens in a new tab)

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 2024 vs. Q1 2024

How the institutions holding Amphastar Pharmaceuticals, Inc. changed between Q1 2024 and Q2 2024.

All holders in Q2 2024 All holders in Q1 2024

13F holders of AMPH: Q1 2024 compared with Q2 2024
Measure	Q1 2024	Of which not filed for Q2 2024	Q2 2024	Change
Holders	271	2	269	0
Shares	33.6M	56.4K	34.4M	+857.8K (+2.6%)
Value	$1.47B	$2.46M	$1.37B	−$96.0M (−6.5%)

2 institutions that held it in Q1 2024 haven't filed for Q2 2024 yet. Not filing isn't selling, so the changes leave them out.

New holders (38)

Institutions that held Amphastar Pharmaceuticals, Inc. at the end of Q2 2024 but not at the end of Q1 2024.

Institutions new to AMPH in Q2 2024
Institution	Shares	Value	% of portfolio
Marshall Wace, LLP	227,127	$9.09M	0.01%
Brandywine Global Investment Management, LLC	74,115	$2.96M	0.02%
Aurora Investment Counsel	54,466	$2.18M	1.28%
Arkadios Wealth Advisors	25,755	$1.03M	0.07%
AlphaCentric Advisors LLC	25,000	$1.00M	0.74%
Centiva Capital, LP	23,575	$943.0K	0.05%
Corebridge Financial, Inc.	22,303	$892.1K	0.00%
Mirae Asset Global ETFs Holdings Ltd.	19,524	$781.0K	0.00%
Tudor Investment Corp Et Al	19,427	$777.1K	0.01%
Cambridge Investment Research Advisors, Inc.	11,870	$475.0K	0.00%
Intech Investment Management LLC	10,658	$426.3K	0.01%
PDT Partners, LLC	9,702	$388.1K	0.04%
Sanctuary Advisors, LLC	9,439	$388.0K	0.00%
Healthcare of Ontario Pension Plan Trust Fund	9,100	$364.0K	0.00%
Royce & Associates LP	9,076	$363.0K	0.00%
Man Group plc	8,776	$351.0K	0.00%
Capstone Investment Advisors, LLC	7,944	$317.8K	0.01%
Gallacher Capital Management LLC	6,971	$278.8K	0.15%
LPL Financial LLC	6,752	$270.1K	0.00%
Deerfield Management Company, L.P. (Series C)	6,623	$264.9K	0.00%
Verition Fund Management LLC	6,511	$260.4K	0.00%
MML Investors Services, LLC	5,806	$232.0K	0.00%
Court Place Advisors, LLC	5,500	$220.0K	0.07%
Allianz Asset Management GmbH	5,400	$216.0K	0.00%
Alan B. Lancz & Associates, Inc.	5,400	$216.0K	0.21%
Aigen Investment Management, LP	5,171	$206.8K	0.04%
Oakworth Capital, Inc.	5,023	$200.9K	0.01%
Walleye Capital LLC	5,017	$200.7K	0.00%
Mendota Financial Group, LLC	4,504	$180.2K	0.10%
1620 Investment Advisors, Inc.	2,318	$92.7K	0.07%
Innealta Capital, LLC	1,371	$54.8K	0.02%
Group One Trading, L.P.	814	$32.6K	0.00%
Simplex Trading, LLC	815	$32.0K	0.00%
Spire Wealth Management	202	$8.08K	0.00%
Quarry LP	182	$7.28K	0.00%
Smartleaf Asset Management LLC	100	$4.04K	0.00%
CoreCap Advisors, LLC	59	$2.36K	0.00%
Jones Financial Companies LLLP	40	$1.60K	0.00%

Sold out (38)

Institutions that held Amphastar Pharmaceuticals, Inc. at the end of Q1 2024 and filed for Q2 2024 without it.

Institutions that sold out of AMPH in Q2 2024
Institution	Shares, Q1 2024	Value, Q1 2024
State of New Jersey Common Pension Fund D	50,610	$2.22M
Hillsdale Investment Management Inc.	39,279	$1.72M
Buck Wealth Strategies, LLC	38,318	$1.68M
Navellier & Associates Inc	34,591	$1.52M
Texas Permanent School Fund	32,704	$1.44M
AXA S.A.	29,678	$1.30M
Arrowstreet Capital, Limited Partnership	22,539	$990.0K
D.A. Davidson & Co.	21,651	$950.7K
American International Group, Inc.	20,347	$893.4K
HRT Financial LP	18,608	$817.0K
Los Angeles Capital Management LLC	17,428	$765.3K
Versor Investments LP	16,700	$733.3K
Shariaportfolio, Inc.	16,019	$703.4K
Concurrent Investment Advisors, LLC	15,778	$692.8K
Nations Financial Group Inc,	14,923	$655.3K
Annex Advisory Services, LLC	14,777	$648.9K
BI Asset Management Fondsmaeglerselskab A/S	12,455	$547.0K
Mackenzie Financial Corp	6,592	$289.5K
Baird Financial Group, Inc.	6,567	$288.4K
Graham Capital Management, L.P.	6,339	$278.3K
Corton Capital Inc.	5,586	$245.3K
Brevan Howard Capital Management LP	5,514	$242.1K
Stratos Wealth Partners, LTD.	5,492	$241.2K
Perigon Wealth Management, LLC	5,215	$229.0K
Vontobel Holding Ltd.	4,826	$211.9K
Mark Sheptoff Financial Planning, LLC	2,250	$98.8K
Metropolitan Life Insurance Co	2,110	$92.7K
Catalyst Funds Management Pty Ltd	1,700	$74.6K
State of Wyoming	1,487	$65.3K
Gladius Capital Management LP	648	$28.5K
Whittier Trust Co	387	$17.0K
Contravisory Investment Management, Inc.	238	$10.5K
Elequin Capital LP	110	$4.83K
Crewe Advisors LLC	71	$3.12K
Private Wealth Management Group, LLC	40	$1.76K
Financial Synergies Wealth Advisors, Inc.	15	$659
Nelson, Van Denburg & Campbell Wealth Management Group, LLC	7	$307
Sofos Investments, Inc.	1	$41

Not filed for Q2 2024 yet (2)

Institutions that held Amphastar Pharmaceuticals, Inc. at the end of Q1 2024 and haven't filed a 13F for Q2 2024. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding AMPH in Q1 2024 that haven't filed for Q2 2024
Institution	Shares, Q1 2024	Value, Q1 2024
Credit Suisse AG	51,312	$2.25M
Shell Asset Management Co	5,128	$205.0K