Skip to main content

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
Amalgamated Bank18,409$516.0K0.00%−168−0.9%Reduced
STRS Ohio18,300$512.0K0.00%−9,000−33.0%Reduced
Guggenheim Capital LLC18,169$509.1K0.00%+4,096+29.1%Added
Louisiana State Employees Retirement System17,900$502.0K0.01%−400−2.2%Reduced
Mirae Asset Global Investments Co., Ltd.17,715$496.4K0.00%+488+2.8%Added
HRT Financial LP17,693$495.0K0.01%+17,693New
UBS Group AG17,074$478.4K0.00%+1,624+10.5%Added
DekaBank Deutsche Girozentrale16,800$470.0K0.00%00.0%Unchanged
XTX Topco Ltd16,480$461.8K0.10%+16,480New
Schonfeld Strategic Advisors LLC16,398$459.5K0.00%−16,502−50.2%Reduced
Engineers Gate Manager LP16,273$456.0K0.03%+16,273New
Versor Investments LP15,800$442.7K0.04%+4,871+44.6%Added
New York Life Investment Management LLC15,761$441.6K0.01%+1,741+12.4%Added
Maryland State Retirement & Pension System15,518$434.8K0.01%−116−0.7%Reduced
Manufacturers Life Insurance Company, The15,491$434.1K0.00%−110−0.7%Reduced
Squarepoint Ops LLC15,453$433.0K0.00%+15,453New
Capital Impact Advisors, LLC14,669$411.0K0.40%00.0%Unchanged
ExodusPoint Capital Management, LP14,515$407.0K0.01%+14,515New
Vestcor Inc14,355$402.0K0.01%00.0%Unchanged
Cubist Systematic Strategies, LLC13,960$391.2K0.00%−18,370−56.8%Reduced
Navellier & Associates Inc13,155$368.6K0.08%−9,436−41.8%Reduced
Jupiter Asset Management Ltd13,128$367.1K0.01%+2,061+18.6%Added
CI Private Wealth, LLC12,600$353.1K0.00%+12,600New
Oregon Public Employees Retirement Fund12,547$351.6K0.00%+133+1.1%Added
Juncture Wealth Strategies, LLC12,305$344.8K0.16%+97+0.8%Added
Crossmark Global Holdings, Inc.11,611$325.0K0.01%+330+2.9%Added
Cornerstone Investment Partners, LLC11,300$316.6K0.02%−600−5.0%Reduced
Public Employees Retirement Association of Colorado11,238$315.0K0.00%00.0%Unchanged
Shell Asset Management Co11,137$312.0K0.01%−2,261−16.9%Reduced
Arizona State Retirement System11,064$310.0K0.00%+448+4.2%Added
Teachers Retirement System of the State of Kentucky11,021$308.0K0.00%00.0%Unchanged
Alps Advisors Inc10,901$305.4K0.00%−53−0.5%Reduced
LSV Asset Management10,700$300.0K0.00%00.0%Unchanged
SG Americas Securities, LLC10,588$297.0K0.00%+6,154+138.8%Added
Glenmede Trust Co NA10,500$294.2K0.00%−365−3.4%Reduced
HSBC Holdings PLC10,370$288.7K0.00%+2,277+28.1%Added
Kula Investments, LLC10,236$286.8K0.10%+10,236New
HighTower Advisors, LLC10,059$282.0K0.00%+10,059New
ProShare Advisors LLC10,023$280.8K0.00%+637+6.8%Added
Los Angeles Capital Management LLC10,000$280.2K0.00%−1,755−14.9%Reduced
Franklin Resources Inc9,592$268.8K0.00%+8+0.1%Added
Watershed Asset Management, L.L.C.9,555$267.7K0.34%+9,555New
Veriti Management LLC9,260$259.5K0.03%−618−6.3%Reduced
Royal Bank of Canada8,766$244.0K0.00%+4,755+118.5%Added
Algert Global LLC8,653$242.5K0.01%−26,870−75.6%Reduced
BNP Paribas Arbitrage, SA8,453$236.9K0.00%−8,067−48.8%Reduced
Jane Street Group, LLC8,249$231.1K0.00%−29,046−77.9%Reduced
Perigon Wealth Management, LLC7,850$220.0K0.01%00.0%Unchanged
Zurcher Kantonalbank (Zurich Cantonalbank)7,831$219.4K0.00%+1,369+21.2%Added
Janus Henderson Group PLC7,715$215.9K0.00%+7,715New
Bank of Montreal7,414$212.6K0.00%+598+8.8%Added
Cim, LLC6,501$202.6K0.04%−151−2.3%Reduced
Lazard Asset Management LLC6,033$169.0K0.00%+702+13.2%Added
State of Wyoming3,835$107.5K0.04%+1,668+77.0%Added
Wells Fargo & Company3,514$98.5K0.00%−1,347−27.7%Reduced
Ameritas Investment Partners, Inc.3,073$93.4K0.00%00.0%Unchanged
US Bancorp3,300$92.5K0.00%+808+32.4%Added
KBC Group NV3,178$89.0K0.00%00.0%Unchanged
DuPont Capital Management Corp2,980$83.5K0.00%+2,980New
The PNC Financial Services Group, Inc.2,376$66.6K0.00%−487−17.0%Reduced
Metropolitan Life Insurance Co2,267$63.5K0.00%00.0%Unchanged
Point72 Middle East FZE1,782$49.9K0.00%+1,782New
Advisor Group Holdings, Inc.1,702$47.0K0.00%−99−5.5%Reduced
Allworth Financial LP1,383$38.8K0.00%−490−26.2%Reduced
Sutton Wealth Advisors Inc.1,355$38.0K0.01%00.0%Unchanged
Nisa Investment Advisors, LLC1,130$32.0K0.00%00.0%Unchanged
Anfield Capital Management, LLC1,027$28.8K0.01%+413+67.3%Added
Pinnacle Financial Partners Inc1,000$28.0K0.00%00.0%Unchanged
Proequities, Inc.883$24.7K0.00%+883New
Tower Research Capital LLC (TRC)651$18.0K0.00%−4,492−87.3%Reduced
Ronald Blue Trust, Inc.611$17.0K0.00%+330+117.4%Added
Money Concepts Capital Corp602$16.9K0.00%−9,497−94.0%Reduced
Fifth Third Bancorp575$16.1K0.00%−107−15.7%Reduced
CWM, LLC576$16.0K0.00%−1−0.2%Reduced
China Universal Asset Management Co., Ltd.491$13.8K0.01%+32+7.0%Added
TD Private Client Wealth LLC489$13.7K0.00%−120−19.7%Reduced
Signaturefd, LLC479$13.4K0.00%−233−32.7%Reduced
Versant Capital Management, Inc474$13.3K0.00%00.0%Unchanged
Huntington National Bank452$12.7K0.00%+41+10.0%Added
Ellevest, Inc.405$11.3K0.00%+22+5.7%Added
Asset Management One Co.,Ltd.386$10.9K0.00%+386New
TCI Wealth Advisors, Inc.379$10.6K0.00%00.0%Unchanged
Quadrant Capital Group LLC301$8.43K0.00%−103−25.5%Reduced
Harbour Investments, Inc.270$7.57K0.00%00.0%Unchanged
Simplex Trading, LLC279$7.00K0.00%+279New
Parkside Financial Bank & Trust189$5.29K0.00%+72+61.5%Added
Daiwa Securities Group Inc.194$5.00K0.00%+29+17.6%Added
Kelly Financial Services LLC150$4.20K0.00%00.0%Unchanged
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
Clearstead Advisors, LLC105$2.94K0.00%+105New
Glassman Wealth Services92$2.58K0.00%−5−5.2%Reduced
Capital Advisors, Ltd. LLC75$2.00K0.00%00.0%Unchanged
Farther Finance Advisors, LLC70$1.96K0.00%+70New
Lindbrook Capital, LLC42$1.18K0.00%−102−70.8%Reduced
Covestor Ltd19$1.00K0.00%+6+46.2%Added
Farmers & Merchants Investments Inc28$7850.00%+4+16.7%Added
Aua Capital Management, LLC28$7850.00%−13−31.7%Reduced
Sofos Investments, Inc.28$7600.01%−420−93.8%Reduced