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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 2024

Institutional positions in Amphastar Pharmaceuticals, Inc. as of Sep 30, 2024. 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
279
+11 vs. Q2 2024
Shares held
35.4M
+7.01M (+24.7%) vs. Q2 2024
Total value
$1.72B
+$580.9M (+51.1%) vs. Q2 2024
New holders
43
99 more added
Sold out
32
93 more reduced

1 institution that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2024: 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 2024: 279 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 2024: $1.72B
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 2024

Shares, value and share of portfolio for each institution holding Amphastar Pharmaceuticals, Inc.; share changes are against Q2 2024.

Institutions holding AMPH in Q3 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Retirement Guys Formula LLC4,185$203.1K0.09%+4,185New
Dakota Wealth Management4,164$202.1K0.00%+4,164New
Point72 (DIFC) Ltd3,954$191.9K0.01%+1,827+85.9%Added
Ameritas Investment Partners, Inc.3,762$182.6K0.01%−225−5.6%Reduced
EMC Capital Management3,113$151.0K0.12%00.0%Unchanged
Russell Investments Group, Ltd.3,014$146.3K0.00%00.0%Unchanged
nVerses Capital, LLC2,600$126.2K0.06%+400+18.2%Added
Pacer Advisors, Inc.2,593$125.8K0.00%+1,666+179.7%Added
1620 Investment Advisors, Inc.2,367$115.3K0.08%+49+2.1%Added
The PNC Financial Services Group, Inc.2,211$107.3K0.00%+58+2.7%Added
Mirae Asset Global Investments Co., Ltd.1,761$84.6K0.00%+301+20.6%Added
TD Private Client Wealth LLC1,711$83.0K0.00%+39+2.3%Added
Asset Management One Co.,Ltd.1,609$78.1K0.00%+1,609New
KBC Group NV1,509$73.0K0.00%00.0%Unchanged
Allworth Financial LP1,426$69.2K0.00%00.0%Unchanged
Ronald Blue Trust, Inc.1,485$59.4K0.00%−119−7.4%Reduced
Globeflex Capital L P1,210$58.7K0.01%+1,159+2,272.5%Added
Virtus Fund Advisers, LLC1,178$57.2K0.23%00.0%Unchanged
Point72 Asia (Singapore) Pte. Ltd.1,144$55.5K0.01%+398+53.4%Added
Pinnacle Financial Partners Inc1,000$48.5K0.00%00.0%Unchanged
Leonteq Securities AG1,000$48.5K0.01%00.0%Unchanged
CWM, LLC996$48.0K0.00%+32+3.3%Added
Huntington National Bank979$47.5K0.00%+90+10.1%Added
Principal Securities, Inc.967$46.9K0.00%+236+32.3%Added
Proequities, Inc.959$46.5K0.00%+19+2.0%Added
Advisors Asset Management, Inc.873$42.4K0.00%−53−5.7%Reduced
Catalyst Funds Management Pty Ltd800$38.8K0.01%+800New
Tower Research Capital LLC (TRC)797$38.7K0.00%−7,661−90.6%Reduced
Quadrant Capital Group LLC740$35.9K0.00%−53−6.7%Reduced
Nisa Investment Advisors, LLC720$34.9K0.00%−434−37.6%Reduced
Acadian Asset Management LLC718$34.0K0.00%+718New
GAMMA Investing LLC663$32.2K0.00%+273+70.0%Added
Fifth Third Bancorp633$30.7K0.00%+23+3.8%Added
CIBC Private Wealth Group, LLC577$28.0K0.00%+249+75.9%Added
NVWM, LLC426$20.7K0.01%+18+4.4%Added
Steward Partners Investment Advisory, LLC400$19.4K0.00%−250−38.5%Reduced
Signaturefd, LLC352$17.1K0.00%00.0%Unchanged
Covestor Ltd294$14.0K0.01%+26+9.7%Added
Harbour Investments, Inc.270$13.1K0.00%00.0%Unchanged
Versant Capital Management, Inc268$13.0K0.00%00.0%Unchanged
Silicon Valley Capital Partners229$11.1K0.00%00.0%Unchanged
Smartleaf Asset Management LLC222$10.7K0.00%+122+122.0%Added
Public Employees Retirement System of Ohio203$9.85K0.00%+72+55.0%Added
Spire Wealth Management202$9.80K0.00%00.0%Unchanged
Richardson Financial Services Inc.243$9.72K0.01%00.0%Unchanged
Northwestern Mutual Wealth Management Co200$9.71K0.00%+200New
Truvestments Capital LLC198$9.61K0.00%+198New
Daiwa Securities Group Inc.185$9.00K0.00%+31+20.1%Added
Global Retirement Partners, LLC170$8.25K0.00%−22−11.5%Reduced
City State Bank150$7.28K0.00%00.0%Unchanged
Farther Finance Advisors, LLC143$6.93K0.00%−2−1.4%Reduced
Jones Financial Companies LLLP128$6.15K0.00%+88+220.0%Added
Clearstead Advisors, LLC108$5.24K0.00%00.0%Unchanged
Parkside Financial Bank & Trust108$5.24K0.00%00.0%Unchanged
Capital Advisors, Ltd. LLC99$5.00K0.00%00.0%Unchanged
Umb Bank N A103$5.00K0.00%+59+134.1%Added
Massmutual Trust Co FSB97$4.71K0.00%00.0%Unchanged
Eagle Bay Advisors LLC94$4.56K0.00%−11−10.5%Reduced
LGT Financial Advisors LLC83$4.03K0.01%00.0%Unchanged
Spectrum Wealth Counsel, LLC70$3.40K0.00%+70New
Rise Advisors, LLC70$3.40K0.00%+20+40.0%Added
Lindbrook Capital, LLC64$3.11K0.00%+10+18.5%Added
Elequin Capital LP60$2.91K0.00%+60New
CoreCap Advisors, LLC59$2.86K0.00%00.0%Unchanged
Bell Investment Advisors, Inc37$1.80K0.00%+10+37.0%Added
Rothschild Investment LLC35$1.70K0.00%+20+133.3%Added
Carolinas Wealth Consulting LLC33$1.59K0.00%00.0%Unchanged
Farmers & Merchants Investments Inc28$1.36K0.00%00.0%Unchanged
Picton Mahoney Asset Management24$1.00K0.00%+24New
Reuter James Wealth Management, LLC20$9710.00%+20New
Kayne Anderson Rudnick Investment Management LLC15$7280.00%00.0%Unchanged
Voisard Asset Management Group, Inc.14$6800.00%+14New
Parallel Advisors, LLC11$5340.00%00.0%Unchanged
Capital Performance Advisors LLP11$5340.00%+11New
Legacy Investment Solutions, LLC10$4550.00%+10New
Legacy Wealth Managment, LLC10$4550.00%+10New
Abound Wealth Management4$1950.00%−2−33.3%Reduced
JFS Wealth Advisors, LLC3$1460.00%00.0%Unchanged
SJS Investment Consulting Inc.1$490.00%00.0%Unchanged
Ellsworth Advisors, LLC0$00.00%−86,391−100.0%Sold out
Hussman Strategic Advisors, Inc.0$00.00%−63,000−100.0%Sold out
Twinbeech Capital LP0$00.00%−45,224−100.0%Sold out
Jacobs Levy Equity Management, Inc0$00.00%−28,616−100.0%Sold out
Capital Impact Advisors, LLC0$00.00%−16,425−100.0%Sold out
Quantbot Technologies LP0$00.00%−12,430−100.0%Sold out
Crossmark Global Holdings, Inc.0$00.00%−11,300−100.0%Sold out
Stephens Inc0$00.00%−10,935−100.0%Sold out
STRS Ohio0$00.00%−9,700−100.0%Sold out
UniSuper Management Pty Ltd0$00.00%−9,331−100.0%Sold out
Healthcare of Ontario Pension Plan Trust Fund0$00.00%−9,100−100.0%Sold out
Man Group plc0$00.00%−8,776−100.0%Sold out
Campbell & CO Investment Adviser LLC0$00.00%−8,668−100.0%Sold out
Capstone Investment Advisors, LLC0$00.00%−7,944−100.0%Sold out
Gallacher Capital Management LLC0$00.00%−6,971−100.0%Sold out
Deerfield Management Company, L.P. (Series C)0$00.00%−6,623−100.0%Sold out
Fox Run Management, L.L.C.0$00.00%−6,487−100.0%Sold out
Guggenheim Capital LLC0$00.00%−6,184−100.0%Sold out
MML Investors Services, LLC0$00.00%−5,806−100.0%Sold out
Aigen Investment Management, LP0$00.00%−5,171−100.0%Sold out
Walleye Capital LLC0$00.00%−5,017−100.0%Sold out