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, Q1 2025
Institutional positions in Amphastar Pharmaceuticals, Inc. as of Mar 31, 2025. 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
- 241
- −18 vs. Q4 2024
- Shares held
- 33.2M
- −1.45M (−4.2%) vs. Q4 2024
- Total value
- $963.6M
- −$324.6M (−25.2%) vs. Q4 2024
- New holders
- 32
- 81 more added
- Sold out
- 50
- 95 more reduced
5 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 212 | $572.1M |
| Q1 2026 | 215 | $634.0M |
| Q4 2025 | 236 | $899.7M |
| Q3 2025 | 243 | $872.8M |
| Q2 2025 | 245 | $752.0M |
| Q1 2025 | 241 | $963.6M |
| Q4 2024 | 264 | $1.31B |
| Q3 2024 | 279 | $1.72B |
| Q2 2024 | 269 | $1.37B |
| Q1 2024 | 271 | $1.47B |
| Q4 2023 | 276 | $2.06B |
| Q3 2023 | 256 | $1.47B |
| Q2 2023 | 246 | $1.80B |
| Q1 2023 | 218 | $1.13B |
| Q4 2022 | 213 | $816.7M |
| Q3 2022 | 207 | $839.3M |
| Q2 2022 | 223 | $1.06B |
| Q1 2022 | 203 | $1.07B |
| Q4 2021 | 168 | $678.8M |
| Q3 2021 | 140 | $530.8M |
| Q2 2021 | 146 | $549.6M |
| Q1 2021 | 135 | $476.9M |
Institutions, Q1 2025
Shares, value and share of portfolio for each institution holding Amphastar Pharmaceuticals, Inc.; share changes are against Q4 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Abound Wealth Management | 4 | $116 | 0.00% | 00.0% | Unchanged |
| EverSource Wealth Advisors, LLC | 4 | $116 | 0.00% | +3+300.0% | Added |
| Bruce G. Allen Investments, LLC | 9 | $261 | 0.00% | 00.0% | Unchanged |
| True Wealth Design, LLC | 9 | $261 | 0.00% | +9 | New |
| Legacy Wealth Managment, LLC | 10 | $290 | 0.00% | 00.0% | Unchanged |
| Bell Investment Advisors, Inc | 15 | $435 | 0.00% | −12−44.4% | Reduced |
| Kayne Anderson Rudnick Investment Management LLC | 15 | $435 | 0.00% | 00.0% | Unchanged |
| Stephens Consulting, LLC | 15 | $435 | 0.00% | +15 | New |
| Barrow Hanley Mewhinney & Strauss LLC | 20 | $580 | 0.00% | +20 | New |
| Private Wealth Management Group, LLC | 20 | $580 | 0.00% | +20 | New |
| Farmers & Merchants Investments Inc | 28 | $812 | 0.00% | 00.0% | Unchanged |
| Boston Private Wealth LLC | 34 | $986 | 0.00% | +34 | New |
| Hantz Financial Services, Inc. | 39 | $1.00K | 0.00% | +39 | New |
| SBI Securities Co., Ltd. | 40 | $1.16K | 0.00% | 00.0% | Unchanged |
| Parallel Advisors, LLC | 58 | $1.68K | 0.00% | +47+427.3% | Added |
| Cherry Tree Wealth Management, LLC | 58 | $1.68K | 0.00% | +58 | New |
| CoreCap Advisors, LLC | 59 | $1.71K | 0.00% | 00.0% | Unchanged |
| Rothschild Investment LLC | 60 | $1.74K | 0.00% | +50+500.0% | Added |
| Capital Advisors, Ltd. LLC | 75 | $2.00K | 0.00% | −15−16.7% | Reduced |
| Caitong International Asset Management Co., Ltd | 123 | $3.57K | 0.00% | −481−79.6% | Reduced |
| Jones Financial Companies LLLP | 131 | $3.72K | 0.00% | +50+61.7% | Added |
| Farther Finance Advisors, LLC | 135 | $3.82K | 0.00% | −8−5.6% | Reduced |
| Skopos Labs, Inc. | 149 | $4.32K | 0.00% | +104+231.1% | Added |
| Anchor Investment Management, LLC | 150 | $4.35K | 0.00% | 00.0% | Unchanged |
| City State Bank | 150 | $4.35K | 0.00% | 00.0% | Unchanged |
| Daiwa Securities Group Inc. | 185 | $5.00K | 0.00% | 00.0% | Unchanged |
| Lindbrook Capital, LLC | 209 | $6.06K | 0.00% | +155+287.0% | Added |
| Spire Wealth Management | 212 | $6.15K | 0.00% | +10+5.0% | Added |
| Umb Bank N A | 227 | $6.58K | 0.00% | +174+328.3% | Added |
| Harbor Capital Advisors, Inc. | 227 | $7.00K | 0.00% | +227 | New |
| Harbour Investments, Inc. | 270 | $7.83K | 0.00% | 00.0% | Unchanged |
| Covestor Ltd | 297 | $8.00K | 0.01% | +4+1.4% | Added |
| Truvestments Capital LLC | 317 | $9.19K | 0.00% | −33−9.4% | Reduced |
| Coldstream Capital Management Inc | 334 | $9.68K | 0.00% | +334 | New |
| Versant Capital Management, Inc | 356 | $10.3K | 0.00% | +135+61.1% | Added |
| Public Employees Retirement System of Ohio | 357 | $10.3K | 0.00% | +68+23.5% | Added |
| Fifth Third Bancorp | 372 | $10.8K | 0.00% | −51−12.1% | Reduced |
| US Bancorp | 402 | $11.7K | 0.00% | −446−52.6% | Reduced |
| Massmutual Trust Co FSB | 431 | $12.5K | 0.00% | +334+344.3% | Added |
| Smartleaf Asset Management LLC | 567 | $16.1K | 0.00% | −148−20.7% | Reduced |
| Bessemer Group Inc | 561 | $17.0K | 0.00% | −488,069−99.9% | Reduced |
| Huntington National Bank | 624 | $18.1K | 0.00% | −716−53.4% | Reduced |
| Larson Financial Group LLC | 625 | $18.1K | 0.00% | +625 | New |
| CIBC Private Wealth Group, LLC | 797 | $18.9K | 0.00% | +236+42.1% | Added |
| CWM, LLC | 668 | $19.0K | 0.00% | −486−42.1% | Reduced |
| Signaturefd, LLC | 872 | $25.3K | 0.00% | +520+147.7% | Added |
| Tower Research Capital LLC (TRC) | 987 | $28.6K | 0.00% | −158−13.8% | Reduced |
| Leonteq Securities AG | 1,000 | $29.0K | 0.00% | 00.0% | Unchanged |
| Principal Securities, Inc. | 783 | $29.1K | 0.00% | 00.0% | Unchanged |
| Parkside Financial Bank & Trust | 1,006 | $29.2K | 0.00% | +27+2.8% | Added |
| IFP Advisors, Inc | 1,158 | $33.7K | 0.00% | +1,158 | Added |
| Nisa Investment Advisors, LLC | 1,224 | $35.5K | 0.00% | +451+58.3% | Added |
| GF Fund Management Co. Ltd. | 1,230 | $35.7K | 0.00% | +220+21.8% | Added |
| Pinnacle Financial Partners Inc | 1,000 | $37.1K | 0.00% | 00.0% | Unchanged |
| Allworth Financial LP | 1,566 | $37.7K | 0.00% | +140+9.8% | Added |
| GAMMA Investing LLC | 1,333 | $38.6K | 0.00% | +424+46.6% | Added |
| BI Asset Management Fondsmaeglerselskab A/S | 1,359 | $39.0K | 0.00% | +1,359 | New |
| Ronald Blue Trust, Inc. | 1,459 | $42.3K | 0.00% | +243+20.0% | Added |
| Mirae Asset Global Investments Co., Ltd. | 1,609 | $45.7K | 0.00% | +7+0.4% | Added |
| Picton Mahoney Asset Management | 1,608 | $46.0K | 0.00% | +1,584+6,600.0% | Added |
| TD Private Client Wealth LLC | 1,727 | $50.1K | 0.00% | −372−17.7% | Reduced |
| Russell Investments Group, Ltd. | 2,058 | $59.7K | 0.00% | +1,862+950.0% | Added |
| KBC Group NV | 2,159 | $63.0K | 0.00% | 00.0% | Unchanged |
| 1620 Investment Advisors, Inc. | 2,277 | $66.0K | 0.05% | −11−0.5% | Reduced |
| Canada Pension Plan Investment Board | 2,700 | $78.3K | 0.00% | +2,600+2,600.0% | Added |
| EMC Capital Management | 3,113 | $90.0K | 0.05% | 00.0% | Unchanged |
| Ameritas Investment Partners, Inc. | 3,762 | $109.1K | 0.00% | 00.0% | Unchanged |
| Shell Asset Management Co | 4,633 | $134.0K | 0.01% | −201−4.2% | Reduced |
| The PNC Financial Services Group, Inc. | 4,783 | $138.7K | 0.00% | +580+13.8% | Added |
| FMR LLC | 4,806 | $139.3K | 0.00% | −16,539−77.5% | Reduced |
| State of Wyoming | 4,860 | $140.9K | 0.02% | +4,860 | New |
| Public Employees Retirement Association of Colorado | 5,265 | $153.0K | 0.00% | 00.0% | Unchanged |
| Oakworth Capital, Inc. | 6,000 | $173.9K | 0.01% | +977+19.5% | Added |
| FORA Capital, LLC | 6,903 | $200.1K | 0.02% | +6,903 | New |
| Tiemann Investment Advisors, LLC | 6,962 | $201.8K | 0.09% | 00.0% | Unchanged |
| CI Private Wealth, LLC | 7,230 | $209.6K | 0.00% | −8,151−53.0% | Reduced |
| KLP Kapitalforvaltning AS | 7,400 | $214.5K | 0.00% | 00.0% | Unchanged |
| Corient IA LLC | 7,500 | $217.4K | 0.15% | +7,500 | New |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 7,504 | $217.5K | 0.00% | 00.0% | Unchanged |
| Hennion & Walsh Asset Management, Inc. | 7,764 | $225.1K | 0.01% | −175−2.2% | Reduced |
| JustInvest LLC | 7,769 | $225.2K | 0.00% | +7,769 | New |
| BNP Paribas Arbitrage, SA | 7,945 | $230.3K | 0.00% | −29,019−78.5% | Reduced |
| Hohimer Wealth Management, LLC | 8,005 | $232.1K | 0.05% | +520+6.9% | Added |
| Cornerstone Investment Partners, LLC | 8,028 | $232.7K | 0.01% | −702−8.0% | Reduced |
| Rafferty Asset Management, LLC | 8,126 | $235.6K | 0.00% | +8,126 | New |
| Bank of Montreal | 8,206 | $237.9K | 0.00% | −9−0.1% | Reduced |
| Quadrant Capital Group LLC | 8,277 | $240.0K | 0.01% | +7,537+1,018.5% | Added |
| Police & Firemen's Retirement System of New Jersey | 8,288 | $240.3K | 0.00% | 00.0% | Unchanged |
| CIBC World Markets Corp | 8,399 | $243.5K | 0.00% | +8,399 | New |
| Shaker Investments LLC | 8,475 | $245.7K | 0.12% | −10,045−54.2% | Reduced |
| EntryPoint Capital, LLC | 8,498 | $246.4K | 0.11% | −5,160−37.8% | Reduced |
| Oregon Public Employees Retirement Fund | 8,542 | $247.6K | 0.00% | −300−3.4% | Reduced |
| Brevan Howard Capital Management LP | 8,585 | $248.9K | 0.01% | +1,680+24.3% | Added |
| Exchange Traded Concepts, LLC | 8,866 | $257.0K | 0.00% | +8,866 | New |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 8,975 | $260.2K | 0.00% | +969+12.1% | Added |
| State of Tennessee, Treasury Department | 9,300 | $269.6K | 0.00% | −7,492−44.6% | Reduced |
| Sterling Capital Management LLC | 9,319 | $270.2K | 0.00% | 00.0% | Unchanged |
| Vestcor Inc | 9,383 | $272.0K | 0.01% | 00.0% | Unchanged |
| Virginia Retirement Systems Et Al | 9,562 | $277.2K | 0.00% | +9,562 | New |
| SEI Investments Co | 9,591 | $278.0K | 0.00% | −18,534−65.9% | Reduced |