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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.

13F holders, Q4 2022

Institutional positions in Amphastar Pharmaceuticals, Inc. as of Dec 31, 2022. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
213
+10 vs. Q3 2022
Shares held
29.1M
−680.0K (−2.3%) vs. Q3 2022
Total value
$816.7M
−$21.9M (−2.6%) vs. Q3 2022
New holders
26
71 more added
Sold out
16
83 more reduced

4 institutions that held it in Q3 2022 haven't filed for Q4 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2022: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting AMPH on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ4 2022: 213 institutions
Q1 2021: 135 institutionsQ2 2021: 146 institutionsQ3 2021: 140 institutionsQ4 2021: 168 institutionsQ1 2022: 203 institutionsQ2 2022: 223 institutionsQ3 2022: 207 institutionsQ4 2022: 213 institutionsQ1 2023: 218 institutionsQ2 2023: 246 institutionsQ3 2023: 256 institutionsQ4 2023: 276 institutionsQ1 2024: 271 institutionsQ2 2024: 269 institutionsQ3 2024: 279 institutionsQ4 2024: 264 institutionsQ1 2025: 241 institutionsQ2 2025: 245 institutionsQ3 2025: 243 institutionsQ4 2025: 236 institutionsQ1 2026: 215 institutionsQ2 2026: 212 institutions
Value heldQ4 2022: $816.7M
Q1 2021: $476.9MQ2 2021: $549.6MQ3 2021: $530.8MQ4 2021: $678.8MQ1 2022: $1.07BQ2 2022: $1.06BQ3 2022: $839.3MQ4 2022: $816.7MQ1 2023: $1.13BQ2 2023: $1.80BQ3 2023: $1.47BQ4 2023: $2.06BQ1 2024: $1.47BQ2 2024: $1.37BQ3 2024: $1.72BQ4 2024: $1.31BQ1 2025: $963.6MQ2 2025: $752.0MQ3 2025: $872.8MQ4 2025: $899.7MQ1 2026: $634.0MQ2 2026: $572.1M
Institutions holding AMPH and their total value by quarter
QuarterHoldersValue
Q2 2026212$572.1M
Q1 2026215$634.0M
Q4 2025236$899.7M
Q3 2025243$872.8M
Q2 2025245$752.0M
Q1 2025241$963.6M
Q4 2024264$1.31B
Q3 2024279$1.72B
Q2 2024269$1.37B
Q1 2024271$1.47B
Q4 2023276$2.06B
Q3 2023256$1.47B
Q2 2023246$1.80B
Q1 2023218$1.13B
Q4 2022213$816.7M
Q3 2022207$839.3M
Q2 2022223$1.06B
Q1 2022203$1.07B
Q4 2021168$678.8M
Q3 2021140$530.8M
Q2 2021146$549.6M
Q1 2021135$476.9M

Institutions, Q4 2022

Shares, value and share of portfolio for each institution holding Amphastar Pharmaceuticals, Inc.; share changes are against Q3 2022.

Institutions holding AMPH in Q4 2022
InstitutionSharesValue% of portfolioChange in sharesAction
Rockefeller Capital Management L.P.14$00.00%00.0%Unchanged
GWM Advisors LLC11$00.00%+11New
Steward Financial Group LLC1$00.00%+1New
SJS Investment Consulting Inc.1$280.00%00.0%Unchanged
Schubert & Co1$280.00%00.0%Unchanged
AdvisorNet Financial, Inc1$280.00%+1New
Disciplined Investments, LLC2$560.00%00.0%Unchanged
JFS Wealth Advisors, LLC4$1120.00%+4New
Global Retirement Partners, LLC11$3080.00%00.0%Unchanged
Parallel Advisors, LLC13$3640.00%00.0%Unchanged
Financial Synergies Wealth Advisors, Inc.15$4210.00%00.0%Unchanged
Tfo-TDC, LLC6$4570.00%+6New
Sofos Investments, Inc.28$7600.01%−420−93.8%Reduced
Farmers & Merchants Investments Inc28$7850.00%+4+16.7%Added
Aua Capital Management, LLC28$7850.00%−13−31.7%Reduced
Covestor Ltd19$1.00K0.00%+6+46.2%Added
Lindbrook Capital, LLC42$1.18K0.00%−102−70.8%Reduced
Farther Finance Advisors, LLC70$1.96K0.00%+70New
Capital Advisors, Ltd. LLC75$2.00K0.00%00.0%Unchanged
Glassman Wealth Services92$2.58K0.00%−5−5.2%Reduced
Clearstead Advisors, LLC105$2.94K0.00%+105New
Bessemer Group Inc114$3.00K0.00%00.0%Unchanged
Massmutual Trust Co FSB97$3.00K0.00%00.0%Unchanged
City State Bank100$3.00K0.00%00.0%Unchanged
Kelly Financial Services LLC150$4.20K0.00%00.0%Unchanged
Daiwa Securities Group Inc.194$5.00K0.00%+29+17.6%Added
Parkside Financial Bank & Trust189$5.29K0.00%+72+61.5%Added
Simplex Trading, LLC279$7.00K0.00%+279New
Harbour Investments, Inc.270$7.57K0.00%00.0%Unchanged
Quadrant Capital Group LLC301$8.43K0.00%−103−25.5%Reduced
TCI Wealth Advisors, Inc.379$10.6K0.00%00.0%Unchanged
Asset Management One Co.,Ltd.386$10.9K0.00%+386New
Ellevest, Inc.405$11.3K0.00%+22+5.7%Added
Huntington National Bank452$12.7K0.00%+41+10.0%Added
Versant Capital Management, Inc474$13.3K0.00%00.0%Unchanged
Signaturefd, LLC479$13.4K0.00%−233−32.7%Reduced
TD Private Client Wealth LLC489$13.7K0.00%−120−19.7%Reduced
China Universal Asset Management Co., Ltd.491$13.8K0.01%+32+7.0%Added
CWM, LLC576$16.0K0.00%−1−0.2%Reduced
Fifth Third Bancorp575$16.1K0.00%−107−15.7%Reduced
Money Concepts Capital Corp602$16.9K0.00%−9,497−94.0%Reduced
Ronald Blue Trust, Inc.611$17.0K0.00%+330+117.4%Added
Tower Research Capital LLC (TRC)651$18.0K0.00%−4,492−87.3%Reduced
Proequities, Inc.883$24.7K0.00%+883New
Pinnacle Financial Partners Inc1,000$28.0K0.00%00.0%Unchanged
Anfield Capital Management, LLC1,027$28.8K0.01%+413+67.3%Added
Nisa Investment Advisors, LLC1,130$32.0K0.00%00.0%Unchanged
Sutton Wealth Advisors Inc.1,355$38.0K0.01%00.0%Unchanged
Allworth Financial LP1,383$38.8K0.00%−490−26.2%Reduced
Advisor Group Holdings, Inc.1,702$47.0K0.00%−99−5.5%Reduced
Point72 Middle East FZE1,782$49.9K0.00%+1,782New
Metropolitan Life Insurance Co2,267$63.5K0.00%00.0%Unchanged
The PNC Financial Services Group, Inc.2,376$66.6K0.00%−487−17.0%Reduced
DuPont Capital Management Corp2,980$83.5K0.00%+2,980New
KBC Group NV3,178$89.0K0.00%00.0%Unchanged
US Bancorp3,300$92.5K0.00%+808+32.4%Added
Ameritas Investment Partners, Inc.3,073$93.4K0.00%00.0%Unchanged
Wells Fargo & Company3,514$98.5K0.00%−1,347−27.7%Reduced
State of Wyoming3,835$107.5K0.04%+1,668+77.0%Added
Lazard Asset Management LLC6,033$169.0K0.00%+702+13.2%Added
Cim, LLC6,501$202.6K0.04%−151−2.3%Reduced
Bank of Montreal7,414$212.6K0.00%+598+8.8%Added
Janus Henderson Group PLC7,715$215.9K0.00%+7,715New
Zurcher Kantonalbank (Zurich Cantonalbank)7,831$219.4K0.00%+1,369+21.2%Added
Perigon Wealth Management, LLC7,850$220.0K0.01%00.0%Unchanged
Jane Street Group, LLC8,249$231.1K0.00%−29,046−77.9%Reduced
BNP Paribas Arbitrage, SA8,453$236.9K0.00%−8,067−48.8%Reduced
Algert Global LLC8,653$242.5K0.01%−26,870−75.6%Reduced
Royal Bank of Canada8,766$244.0K0.00%+4,755+118.5%Added
Veriti Management LLC9,260$259.5K0.03%−618−6.3%Reduced
Watershed Asset Management, L.L.C.9,555$267.7K0.34%+9,555New
Franklin Resources Inc9,592$268.8K0.00%+8+0.1%Added
Los Angeles Capital Management LLC10,000$280.2K0.00%−1,755−14.9%Reduced
ProShare Advisors LLC10,023$280.8K0.00%+637+6.8%Added
HighTower Advisors, LLC10,059$282.0K0.00%+10,059New
Kula Investments, LLC10,236$286.8K0.10%+10,236New
HSBC Holdings PLC10,370$288.7K0.00%+2,277+28.1%Added
Glenmede Trust Co NA10,500$294.2K0.00%−365−3.4%Reduced
SG Americas Securities, LLC10,588$297.0K0.00%+6,154+138.8%Added
LSV Asset Management10,700$300.0K0.00%00.0%Unchanged
Alps Advisors Inc10,901$305.4K0.00%−53−0.5%Reduced
Teachers Retirement System of the State of Kentucky11,021$308.0K0.00%00.0%Unchanged
Arizona State Retirement System11,064$310.0K0.00%+448+4.2%Added
Shell Asset Management Co11,137$312.0K0.01%−2,261−16.9%Reduced
Public Employees Retirement Association of Colorado11,238$315.0K0.00%00.0%Unchanged
Cornerstone Investment Partners, LLC11,300$316.6K0.02%−600−5.0%Reduced
Crossmark Global Holdings, Inc.11,611$325.0K0.01%+330+2.9%Added
Juncture Wealth Strategies, LLC12,305$344.8K0.16%+97+0.8%Added
Oregon Public Employees Retirement Fund12,547$351.6K0.00%+133+1.1%Added
CI Private Wealth, LLC12,600$353.1K0.00%+12,600New
Jupiter Asset Management Ltd13,128$367.1K0.01%+2,061+18.6%Added
Navellier & Associates Inc13,155$368.6K0.08%−9,436−41.8%Reduced
Cubist Systematic Strategies, LLC13,960$391.2K0.00%−18,370−56.8%Reduced
Vestcor Inc14,355$402.0K0.01%00.0%Unchanged
ExodusPoint Capital Management, LP14,515$407.0K0.01%+14,515New
Capital Impact Advisors, LLC14,669$411.0K0.40%00.0%Unchanged
Squarepoint Ops LLC15,453$433.0K0.00%+15,453New
Manufacturers Life Insurance Company, The15,491$434.1K0.00%−110−0.7%Reduced
Maryland State Retirement & Pension System15,518$434.8K0.01%−116−0.7%Reduced
New York Life Investment Management LLC15,761$441.6K0.01%+1,741+12.4%Added