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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, Q3 2023

Institutional positions in Amphastar Pharmaceuticals, Inc. as of Sep 30, 2023. 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
256
+13 vs. Q2 2023
Shares held
32.0M
+617.6K (+2.0%) vs. Q2 2023
Total value
$1.47B
−$330.6M (−18.3%) vs. Q2 2023
New holders
41
89 more added
Sold out
28
93 more reduced

3 institutions that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2023: 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 holdersQ3 2023: 256 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 heldQ3 2023: $1.47B
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, Q3 2023

Shares, value and share of portfolio for each institution holding Amphastar Pharmaceuticals, Inc.; share changes are against Q2 2023.

Institutions holding AMPH in Q3 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Steward Financial Group LLC11$00.00%+11New
Sofos Investments, Inc.1$310.00%−56−98.2%Reduced
Rosenberg Matthew Hamilton1$460.00%00.0%Unchanged
JFS Wealth Advisors, LLC4$1840.00%00.0%Unchanged
SJS Investment Consulting Inc.4$1840.00%+2+100.0%Added
AdvisorNet Financial, Inc4$1840.00%+3+300.0%Added
Abound Wealth Management6$2760.00%00.0%Unchanged
USA Financial Portformulas Corp9$4140.00%+9New
First Horizon Advisors, Inc.14$6430.00%+14New
Bell Investment Advisors, Inc15$6900.00%−11−42.3%Reduced
Financial Synergies Wealth Advisors, Inc.15$6900.00%00.0%Unchanged
Clearstead Advisors, LLC27$1.24K0.00%00.0%Unchanged
Global Retirement Partners, LLC28$1.28K0.00%+2+7.7%Added
Farmers & Merchants Investments Inc28$1.29K0.00%00.0%Unchanged
Carolinas Wealth Consulting LLC33$1.48K0.00%00.0%Unchanged
Lindbrook Capital, LLC54$2.48K0.00%00.0%Unchanged
Fisher Asset Management, LLC58$2.67K0.00%+58New
Nelson, Van Denburg & Campbell Wealth Management Group, LLC80$3.68K0.00%00.0%Unchanged
Farther Finance Advisors, LLC80$3.68K0.00%+10+14.3%Added
Capital Advisors, Ltd. LLC90$4.00K0.00%00.0%Unchanged
Householder Group Estate & Retirement Specialist, LLC91$4.18K0.00%+91New
Glassman Wealth Services92$4.23K0.00%00.0%Unchanged
Parallel Advisors, LLC95$4.37K0.00%00.0%Unchanged
Massmutual Trust Co FSB97$4.46K0.00%00.0%Unchanged
City State Bank100$5.00K0.00%+100New
LGT Financial Advisors LLC133$6.12K0.01%+133New
Raleigh Capital Management Inc.138$6.35K0.00%+14+11.3%Added
Kelly Financial Services LLC150$6.90K0.00%00.0%Unchanged
NVWM, LLC184$8.46K0.00%+184New
Daiwa Securities Group Inc.194$9.00K0.00%00.0%Unchanged
Silicon Valley Capital Partners229$10.5K0.00%00.0%Unchanged
Huntington National Bank245$11.3K0.00%+28+12.9%Added
Steward Partners Investment Advisory, LLC250$11.5K0.00%+250New
Harbour Investments, Inc.270$12.4K0.00%00.0%Unchanged
Parkside Financial Bank & Trust273$12.6K0.00%00.0%Unchanged
Mark Sheptoff Financial Planning, LLC300$13.8K0.01%00.0%Unchanged
Versant Capital Management, Inc366$16.8K0.01%−60−14.1%Reduced
Altshuler Shaham Ltd441$20.3K0.00%+441New
Advisors Asset Management, Inc.442$20.3K0.00%+442New
Signaturefd, LLC461$21.2K0.00%−2−0.4%Reduced
CWM, LLC496$23.0K0.00%−15−2.9%Reduced
Fifth Third Bancorp614$28.2K0.00%00.0%Unchanged
Proequities, Inc.771$35.5K0.00%−8−1.0%Reduced
US Bancorp773$35.5K0.00%−308−28.5%Reduced
Quadrant Capital Group LLC803$36.9K0.00%−19−2.3%Reduced
Virtus Fund Advisers, LLC981$45.1K0.32%00.0%Unchanged
Pinnacle Financial Partners Inc1,000$46.0K0.00%00.0%Unchanged
Leonteq Securities AG1,000$46.0K0.00%+1,000New
TD Private Client Wealth LLC1,036$47.6K0.00%00.0%Unchanged
Pacer Advisors, Inc.1,044$48.0K0.00%+16+1.6%Added
KBC Group NV1,102$51.0K0.00%−1,668−60.2%Reduced
Nisa Investment Advisors, LLC1,130$52.0K0.00%00.0%Unchanged
Tower Research Capital LLC (TRC)1,165$53.6K0.00%+23+2.0%Added
China Universal Asset Management Co., Ltd.1,261$58.0K0.02%+628+99.2%Added
Point72 Asset Management, L.P.1,283$59.0K0.00%+1,283New
State of Wyoming1,342$61.7K0.01%−3,401−71.7%Reduced
Allworth Financial LP1,429$65.7K0.00%+15+1.1%Added
Ronald Blue Trust, Inc.1,198$69.0K0.00%+1,068+821.5%Added
Covestor Ltd1,966$90.0K0.07%+1,761+859.0%Added
Metropolitan Life Insurance Co2,197$101.0K0.01%+123+5.9%Added
Globeflex Capital L P2,356$108.4K0.01%00.0%Unchanged
The PNC Financial Services Group, Inc.2,467$113.5K0.00%+59+2.5%Added
Ameritas Investment Partners, Inc.3,775$173.6K0.01%+702+22.8%Added
Aquatic Capital Management LLC4,100$189.0K0.01%+4,100New
Baird Financial Group, Inc.4,415$203.0K0.00%+4,415New
Annex Advisory Services, LLC4,425$203.5K0.01%+4,425New
Rafferty Asset Management, LLC4,449$204.6K0.00%+4,449New
Thoroughbred Financial Services, LLC4,487$206.0K0.02%+4,487New
Gotham Asset Management, LLC4,531$208.4K0.00%−460−9.2%Reduced
Engineers Gate Manager LP4,662$214.4K0.01%+4,662New
Stratos Wealth Partners, LTD.4,671$214.8K0.00%+4,671New
Perigon Wealth Management, LLC4,783$220.0K0.01%+12+0.3%Added
Lido Advisors, LLC4,853$223.2K0.00%−1,706−26.0%Reduced
Advisor Partners II, LLC4,854$223.2K0.01%−45−0.9%Reduced
ExodusPoint Capital Management, LP4,886$225.0K0.00%−14,495−74.8%Reduced
Dakota Wealth Management4,935$227.0K0.01%+49+1.0%Added
Amundi4,993$228.5K0.00%+284+6.0%Added
Pictet Asset Management Holding SA5,116$235.3K0.00%+5,116New
Mackenzie Financial Corp5,755$258.2K0.00%+5,755New
Yorktown Management & Research Co Inc5,700$262.1K0.29%+5,700New
Versor Investments LP5,700$262.1K0.05%+5,700New
Y-Intercept (Hong Kong) Ltd5,746$264.3K0.03%+5,746New
Royal Bank of Canada5,789$267.0K0.00%−19,660−77.3%Reduced
Guggenheim Capital LLC6,049$278.2K0.00%−78−1.3%Reduced
HighTower Advisors, LLC5,989$279.0K0.00%−5,947−49.8%Reduced
Virtus Investment Advisers, Inc.6,109$281.0K0.19%00.0%Unchanged
Everence Capital Management Inc6,470$298.0K0.02%00.0%Unchanged
Alps Advisors Inc6,566$302.0K0.00%−2,325−26.2%Reduced
Guidance Capital, Inc7,152$320.9K0.14%+267+3.9%Added
Allspring Global Investments Holdings, LLC7,036$323.6K0.00%+1,082+18.2%Added
HSBC Holdings PLC7,163$329.9K0.00%+7,163New
Shell Asset Management Co7,339$338.0K0.01%−3,696−33.5%Reduced
Public Employees Retirement Association of Colorado7,393$340.0K0.00%−1,324−15.2%Reduced
Legato Capital Management LLC7,786$358.1K0.05%−305−3.8%Reduced
Bank of Montreal7,992$373.5K0.00%−544−6.4%Reduced
Winton Group Ltd8,235$378.7K0.03%−1,624−16.5%Reduced
Advisor Group Holdings, Inc.8,385$385.6K0.00%−2,271−21.3%Reduced
Verition Fund Management LLC8,597$395.4K0.01%+3,052+55.0%Added
Cim, LLC8,740$402.0K0.08%−416−4.5%Reduced
Hennion & Walsh Asset Management, Inc.8,928$410.6K0.03%+2,050+29.8%Added