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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.

Q4 2022 vs. Q3 2022

How the institutions holding Amphastar Pharmaceuticals, Inc. changed between Q3 2022 and Q4 2022.

All holders in Q4 2022All holders in Q3 2022

13F holders of AMPH: Q3 2022 compared with Q4 2022
MeasureQ3 2022Of which not filed for Q4 2022Q4 2022Change
Holders2074213+10
Shares29.8M24.3K29.1M−680.0K (−2.3%)
Value$839.3M$683.0K$816.7M−$21.9M (−2.6%)

4 institutions that held it in Q3 2022 haven't filed for Q4 2022 yet. Not filing isn't selling, so the changes leave them out.

New holders (26)

Institutions that held Amphastar Pharmaceuticals, Inc. at the end of Q4 2022 but not at the end of Q3 2022.

Institutions new to AMPH in Q4 2022
InstitutionSharesValue% of portfolio
Pacer Advisors, Inc.231,009$6.47M0.03%
Lam Group, Inc.130,250$3.65M3.75%
First Trust Advisors LP64,989$1.82M0.00%
Twinbeech Capital LP43,937$1.23M0.02%
HRT Financial LP17,693$495.0K0.01%
XTX Topco Ltd16,480$461.8K0.10%
Engineers Gate Manager LP16,273$456.0K0.03%
Squarepoint Ops LLC15,453$433.0K0.00%
ExodusPoint Capital Management, LP14,515$407.0K0.01%
CI Private Wealth, LLC12,600$353.1K0.00%
Kula Investments, LLC10,236$286.8K0.10%
HighTower Advisors, LLC10,059$282.0K0.00%
Watershed Asset Management, L.L.C.9,555$267.7K0.34%
Janus Henderson Group PLC7,715$215.9K0.00%
DuPont Capital Management Corp2,980$83.5K0.00%
Point72 Middle East FZE1,782$49.9K0.00%
Proequities, Inc.883$24.7K0.00%
Asset Management One Co.,Ltd.386$10.9K0.00%
Simplex Trading, LLC279$7.00K0.00%
Clearstead Advisors, LLC105$2.94K0.00%
Farther Finance Advisors, LLC70$1.96K0.00%
Tfo-TDC, LLC6$4570.00%
JFS Wealth Advisors, LLC4$1120.00%
AdvisorNet Financial, Inc1$280.00%
GWM Advisors LLC11$00.00%
Steward Financial Group LLC1$00.00%

Sold out (16)

Institutions that held Amphastar Pharmaceuticals, Inc. at the end of Q3 2022 and filed for Q4 2022 without it.

Not filed for Q4 2022 yet (4)

Institutions that held Amphastar Pharmaceuticals, Inc. at the end of Q3 2022 and haven't filed a 13F for Q4 2022. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding AMPH in Q3 2022 that haven't filed for Q4 2022
InstitutionShares, Q3 2022Value, Q3 2022
Bluestein R H & Co12,500$351.0K
Hightower 6M Holding, LLC10,307$290.0K
USA Financial Portformulas Corp1,181$33.0K
Wipfli Financial Advisors LLC,331$9.00K