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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, Q2 2023

Institutional positions in Amphastar Pharmaceuticals, Inc. as of Jun 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
246
+28 vs. Q1 2023
Shares held
31.4M
+1.20M (+4.0%) vs. Q1 2023
Total value
$1.80B
+$671.1M (+59.2%) vs. Q1 2023
New holders
50
80 more added
Sold out
22
90 more reduced

Compare with Q1 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 holdersQ2 2023: 246 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 heldQ2 2023: $1.80B
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, Q2 2023

Shares, value and share of portfolio for each institution holding Amphastar Pharmaceuticals, Inc.; share changes are against Q1 2023.

Institutions holding AMPH in Q2 2023
InstitutionSharesValue% of portfolioChange in sharesAction
AdvisorNet Financial, Inc1$570.00%00.0%Unchanged
Rosenberg Matthew Hamilton1$570.00%+1New
Disciplined Investments, LLC2$1150.00%00.0%Unchanged
SJS Investment Consulting Inc.2$1150.00%+1+100.0%Added
JFS Wealth Advisors, LLC4$2300.00%+2+100.0%Added
Abound Wealth Management6$3450.00%+6New
Financial Synergies Wealth Advisors, Inc.15$8630.00%00.0%Unchanged
Sofos Investments, Inc.57$9490.00%+57New
Global Retirement Partners, LLC26$1.49K0.00%+15+136.4%Added
Bell Investment Advisors, Inc26$1.50K0.00%+11+73.3%Added
Clearstead Advisors, LLC27$1.55K0.00%−78−74.3%Reduced
Farmers & Merchants Investments Inc28$1.61K0.00%00.0%Unchanged
Carolinas Wealth Consulting LLC33$1.88K0.00%+33New
First Capital Advisors Group, LLC.42$2.41K0.00%+42New
Lindbrook Capital, LLC54$3.10K0.00%00.0%Unchanged
Farther Finance Advisors, LLC70$4.02K0.00%00.0%Unchanged
Nelson, Van Denburg & Campbell Wealth Management Group, LLC80$4.60K0.00%+80New
Ronald Blue Trust, Inc.130$5.00K0.00%−393−75.1%Reduced
Capital Advisors, Ltd. LLC90$5.00K0.00%00.0%Unchanged
Glassman Wealth Services92$5.29K0.00%00.0%Unchanged
Parallel Advisors, LLC95$5.46K0.00%00.0%Unchanged
Massmutual Trust Co FSB97$5.58K0.00%00.0%Unchanged
Global Trust Asset Management, LLC100$5.75K0.00%+100New
Raleigh Capital Management Inc.124$7.13K0.00%+124New
Kelly Financial Services LLC150$8.62K0.00%00.0%Unchanged
Daiwa Securities Group Inc.194$11.0K0.00%00.0%Unchanged
Simplex Trading, LLC196$11.0K0.00%+196New
Covestor Ltd205$12.0K0.01%+160+355.6%Added
Huntington National Bank217$12.5K0.00%−212−49.4%Reduced
Silicon Valley Capital Partners229$13.2K0.00%+229New
Harbour Investments, Inc.270$15.5K0.00%00.0%Unchanged
Parkside Financial Bank & Trust273$15.7K0.00%+61+28.8%Added
Mark Sheptoff Financial Planning, LLC300$17.2K0.01%+300New
Bessemer Group Inc320$18.0K0.00%+182+131.9%Added
Group One Trading, L.P.394$22.6K0.00%+294+294.0%Added
Versant Capital Management, Inc426$24.5K0.01%−30−6.6%Reduced
Signaturefd, LLC463$26.6K0.00%+10+2.2%Added
CWM, LLC511$29.0K0.00%00.0%Unchanged
Fifth Third Bancorp614$35.3K0.00%−20−3.2%Reduced
China Universal Asset Management Co., Ltd.633$36.4K0.01%−22−3.4%Reduced
West Tower Group, LLC677$38.9K0.03%+677New
Proequities, Inc.779$44.8K0.00%−50−6.0%Reduced
Quadrant Capital Group LLC822$47.2K0.00%+10+1.2%Added
Virtus Fund Advisers, LLC981$56.4K0.40%+981New
Pinnacle Financial Partners Inc1,000$57.5K0.00%00.0%Unchanged
Pacer Advisors, Inc.1,028$59.1K0.00%+1,028New
TD Private Client Wealth LLC1,036$59.5K0.00%+428+70.4%Added
US Bancorp1,081$62.1K0.00%−2,277−67.8%Reduced
Nisa Investment Advisors, LLC1,130$64.9K0.00%00.0%Unchanged
Tower Research Capital LLC (TRC)1,142$65.6K0.00%−856−42.8%Reduced
Allworth Financial LP1,414$81.3K0.00%00.0%Unchanged
Metropolitan Life Insurance Co2,074$119.2K0.01%00.0%Unchanged
Globeflex Capital L P2,356$135.4K0.02%−86,836−97.4%Reduced
The PNC Financial Services Group, Inc.2,408$138.4K0.00%+128+5.6%Added
KBC Group NV2,770$159.0K0.00%−408−12.8%Reduced
Ameritas Investment Partners, Inc.3,073$176.6K0.01%00.0%Unchanged
Eqis Capital Management, Inc.3,586$206.1K0.02%+3,586New
Mercer Global Advisors Inc3,701$213.0K0.00%+3,701New
Hancock Whitney Corp3,998$230.0K0.01%+3,998New
Baader Bank INC4,500$258.6K0.02%+4,500New
Veriti Management LLC4,527$260.2K0.03%−4,338−48.9%Reduced
Watershed Asset Management, L.L.C.4,627$265.9K0.33%−2,096−31.2%Reduced
Amundi4,709$271.4K0.00%−695−12.9%Reduced
State of Wyoming4,743$272.6K0.08%+3,748+376.7%Added
Perigon Wealth Management, LLC4,771$274.2K0.01%−3,279−40.7%Reduced
Horizon Investment Services, LLC4,808$276.3K0.17%+4,808New
Dakota Wealth Management4,886$280.8K0.01%−540−10.0%Reduced
Advisor Partners II, LLC4,899$281.5K0.01%+4,899New
Gotham Asset Management, LLC4,991$286.8K0.01%−3,506−41.3%Reduced
Everence Capital Management Inc6,470$287.0K0.02%00.0%Unchanged
Pictet Asset Management SA5,116$294.0K0.00%+5,116New
Verition Fund Management LLC5,545$318.7K0.00%+5,545New
Bailard, Inc.5,600$321.8K0.01%−800−12.5%Reduced
Allspring Global Investments Holdings, LLC5,954$342.2K0.00%−94,091−94.0%Reduced
HRT Financial LP6,029$346.0K0.00%−25,918−81.1%Reduced
XTX Topco Ltd6,105$350.9K0.06%+6,105New
Virtus Investment Advisers, Inc.6,109$351.1K0.24%+6,109New
Guggenheim Capital LLC6,127$352.1K0.00%−5,739−48.4%Reduced
Qube Research & Technologies Ltd6,157$353.8K0.00%+6,157New
SEI Investments Co6,186$355.5K0.00%−8,236−57.1%Reduced
Profund Advisors LLC6,218$357.3K0.02%+6,218New
Guidance Capital, Inc6,885$376.5K0.16%+6,885New
Lido Advisors, LLC6,559$376.9K0.00%+6,559New
Lazard Asset Management LLC6,696$383.0K0.00%+2,637+65.0%Added
Ci Investments Inc.6,791$390.0K0.00%+6,791New
Glenmede Trust Co NA10,471$392.7K0.00%00.0%Unchanged
Hennion & Walsh Asset Management, Inc.6,878$395.0K0.02%−104−1.5%Reduced
Commonwealth Equity Services, LLC7,187$413.0K0.00%+7,187New
Select Equity Group, L.P.7,211$414.4K0.00%+7,211New
Zurcher Kantonalbank (Zurich Cantonalbank)7,854$451.4K0.00%+1,051+15.4%Added
Petrus Trust Company, LTA8,010$460.3K0.05%+8,010New
Legato Capital Management LLC8,091$465.0K0.06%+8,091New
Bank of Montreal8,536$494.3K0.00%−202−2.3%Reduced
Public Employees Retirement Association of Colorado8,717$501.0K0.00%−2,521−22.4%Reduced
Aigen Investment Management, LP8,868$509.6K0.08%+1,069+13.7%Added
Alps Advisors Inc8,891$511.0K0.00%+65+0.7%Added
ProShare Advisors LLC9,048$520.0K0.00%+161+1.8%Added
Handelsbanken Fonder AB9,100$523.0K0.00%+100+1.1%Added
Balyasny Asset Management LLC9,144$525.5K0.00%+9,144New
Nations Financial Group Inc,9,153$526.0K0.05%−120−1.3%Reduced