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 2026
Institutional positions in Amphastar Pharmaceuticals, Inc. as of Jun 30, 2026. 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
- 212
- 0 vs. Q1 2026
- Shares held
- 28.3M
- −4.01M (−12.4%) vs. Q1 2026
- Total value
- $572.1M
- −$61.7M (−9.7%) vs. Q1 2026
- New holders
- 32
- 63 more added
- Sold out
- 32
- 77 more reduced
3 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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, Q2 2026
Shares, value and share of portfolio for each institution holding Amphastar Pharmaceuticals, Inc.; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Capital Advisors, Ltd. LLC | 24 | $0 | 0.00% | −146−85.9% | Reduced |
| Evolution Advisers, Inc. | 4 | $0 | 0.00% | +4 | New |
| Hughes Financial Services, LLC | 1 | $20 | 0.00% | +1 | New |
| Davis Capital Management | 2 | $40 | 0.00% | +2 | New |
| Abound Wealth Management | 4 | $81 | 0.00% | 00.0% | Unchanged |
| JPL Wealth Management, LLC | 5 | $101 | 0.00% | +5 | New |
| JFS Wealth Advisors, LLC | 6 | $122 | 0.00% | +6 | New |
| SJS Investment Consulting Inc. | 6 | $122 | 0.00% | +6 | New |
| Rockefeller Capital Management L.P. | 7 | $141 | 0.00% | −117−94.4% | Reduced |
| Gilpin Wealth Management, LLC | 8 | $162 | 0.00% | +3+60.0% | Added |
| Elequin Capital LP | 11 | $222 | 0.00% | +4+57.1% | Added |
| Trust Co | 15 | $303 | 0.00% | 00.0% | Unchanged |
| Torren Management, LLC | 15 | $303 | 0.00% | 00.0% | Unchanged |
| Continuum Advisory, LLC | 17 | $343 | 0.00% | +17 | New |
| Clearstead Advisors, LLC | 17 | $344 | 0.00% | +17 | New |
| Larson Financial Group LLC | 20 | $404 | 0.00% | 00.0% | Unchanged |
| Bare Financial Services, Inc | 23 | $464 | 0.00% | −23−50.0% | Reduced |
| Farmers & Merchants Investments Inc | 25 | $505 | 0.00% | 00.0% | Unchanged |
| Brown, Lisle/Cummings, Inc. | 27 | $545 | 0.00% | 00.0% | Unchanged |
| Keating Financial Advisory Services, Inc. | 28 | $565 | 0.00% | +28 | New |
| Wealth Enhancement Trust Services, Inc. | 35 | $706 | 0.00% | +35 | New |
| Zions Bancorporation, National Association | 37 | $747 | 0.00% | +37 | New |
| Covestor Ltd | 65 | $1.00K | 0.00% | +28+75.7% | Added |
| SBI Securities Co., Ltd. | 51 | $1.03K | 0.00% | +7+15.9% | Added |
| HighMark Wealth Management LLC | 55 | $1.11K | 0.00% | 00.0% | Unchanged |
| IFP Advisors, Inc | 70 | $1.41K | 0.00% | 00.0% | Unchanged |
| Salomon & Ludwin, LLC | 81 | $1.63K | 0.00% | +81 | New |
| Essential Partners LLC | 90 | $1.82K | 0.00% | −31−25.6% | Reduced |
| MCF Advisors LLC | 100 | $2.02K | 0.00% | 00.0% | Unchanged |
| Steward Partners Investment Advisory, LLC | 100 | $2.02K | 0.00% | 00.0% | Unchanged |
| Parkside Financial Bank & Trust | 107 | $2.16K | 0.00% | −49−31.4% | Reduced |
| Bank of New Hampshire | 110 | $2.22K | 0.00% | −96−46.6% | Reduced |
| WealthCollab, LLC | 116 | $2.34K | 0.00% | +52+81.3% | Added |
| City State Bank | 150 | $3.03K | 0.00% | 00.0% | Unchanged |
| EverSource Wealth Advisors, LLC | 152 | $3.07K | 0.00% | +128+533.3% | Added |
| Rothschild Investment LLC | 177 | $3.57K | 0.00% | +176+17,600.0% | Added |
| Optiver Holding B.V. | 192 | $3.88K | 0.00% | +164+585.7% | Added |
| Spire Wealth Management | 206 | $4.16K | 0.00% | 00.0% | Unchanged |
| Los Angeles Capital Management LLC | 217 | $4.38K | 0.00% | 00.0% | Unchanged |
| Versant Capital Management, Inc | 218 | $4.40K | 0.00% | 00.0% | Unchanged |
| Aster Capital Management (DIFC) Ltd | 238 | $4.80K | 0.00% | +238 | New |
| Jones Financial Companies LLLP | 228 | $4.97K | 0.00% | −60−20.8% | Reduced |
| Signaturefd, LLC | 277 | $5.59K | 0.00% | −311−52.9% | Reduced |
| Smartleaf Asset Management LLC | 273 | $5.65K | 0.00% | 00.0% | Unchanged |
| Global Retirement Partners, LLC | 291 | $5.87K | 0.00% | +291 | New |
| Umb Bank N A | 292 | $5.89K | 0.00% | +112+62.2% | Added |
| GAMMA Investing LLC | 312 | $6.30K | 0.00% | −27−8.0% | Reduced |
| Harbor Capital Advisors, Inc. | 391 | $8.00K | 0.00% | 00.0% | Unchanged |
| Massmutual Trust Co FSB | 433 | $8.74K | 0.00% | +209+93.3% | Added |
| Nisa Investment Advisors, LLC | 502 | $10.1K | 0.00% | +141+39.1% | Added |
| Huntington National Bank | 525 | $10.6K | 0.00% | +525 | New |
| Allworth Financial LP | 563 | $11.4K | 0.00% | +520+1,209.3% | Added |
| Nykredit A/S | 595 | $12.0K | 0.00% | +595 | New |
| 1620 Investment Advisors, Inc. | 615 | $12.4K | 0.01% | −103−14.3% | Reduced |
| Public Employees Retirement System of Ohio | 754 | $15.2K | 0.00% | +165+28.0% | Added |
| Farther Finance Advisors, LLC | 774 | $15.7K | 0.00% | −362−31.9% | Reduced |
| Vanguard National Trust Co | 886 | $17.9K | 0.00% | 00.0% | Unchanged |
| GF Fund Management Co. Ltd. | 963 | $19.4K | 0.00% | −61−6.0% | Reduced |
| US Bancorp | 1,119 | $22.6K | 0.00% | +801+251.9% | Added |
| Pinnacle Wealth Planning Services, Inc. | 1,165 | $23.5K | 0.00% | +882+311.7% | Added |
| CX Institutional | 1,259 | $25.0K | 0.00% | −1,714−57.7% | Reduced |
| Ronald Blue Trust, Inc. | 1,273 | $25.7K | 0.00% | −334−20.8% | Reduced |
| Tower Research Capital LLC (TRC) | 1,514 | $30.6K | 0.00% | −2,404−61.4% | Reduced |
| Fulcrum Asset Management LLP | 1,750 | $36.2K | 0.00% | +1,750 | New |
| SRS Capital Advisors, Inc. | 1,807 | $36.5K | 0.00% | +1,747+2,911.7% | Added |
| Quantbot Technologies LP | 1,924 | $38.8K | 0.00% | +1,924 | New |
| Mirae Asset Global Investments Co., Ltd. | 1,972 | $39.8K | 0.00% | −394−16.7% | Reduced |
| TD Private Client Wealth LLC | 2,379 | $48.0K | 0.00% | 00.0% | Unchanged |
| Hantz Financial Services, Inc. | 2,417 | $49.0K | 0.00% | +390+19.2% | Added |
| Federated Hermes, Inc. | 2,910 | $58.7K | 0.00% | −11,169−79.3% | Reduced |
| Parallel Advisors, LLC | 2,988 | $60.3K | 0.00% | +2,331+354.8% | Added |
| Ameritas Investment Partners, Inc. | 3,101 | $62.6K | 0.00% | 00.0% | Unchanged |
| New Age Alpha Advisors, LLC | 3,147 | $63.5K | 0.00% | +3,147 | New |
| Basecamp Wealth Advisors LLC | 4,416 | $89.1K | 0.02% | +60+1.4% | Added |
| Royal Bank of Canada | 4,739 | $97.0K | 0.00% | +1,216+34.5% | Added |
| The PNC Financial Services Group, Inc. | 5,004 | $101.0K | 0.00% | −445−8.2% | Reduced |
| Public Employees Retirement Association of Colorado | 5,265 | $106.0K | 0.00% | 00.0% | Unchanged |
| Vestcor Inc | 5,743 | $116.0K | 0.00% | −5,206−47.5% | Reduced |
| Corient IA LLC | 6,670 | $134.6K | 0.12% | 00.0% | Unchanged |
| China Universal Asset Management Co., Ltd. | 7,017 | $141.6K | 0.01% | −1,034−12.8% | Reduced |
| State of Wyoming | 7,022 | $141.7K | 0.01% | +7,022 | New |
| Fifth Third Bancorp | 7,300 | $147.3K | 0.00% | −1,450−16.6% | Reduced |
| Oregon Public Employees Retirement Fund | 7,742 | $156.2K | 0.00% | −300−3.7% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 7,783 | $157.1K | 0.00% | 00.0% | Unchanged |
| KLP Kapitalforvaltning AS | 7,900 | $159.4K | 0.00% | 00.0% | Unchanged |
| Vanguard Investments Australia, Ltd. | 8,567 | $172.9K | 0.00% | 00.0% | Unchanged |
| State of Tennessee, Treasury Department | 8,619 | $173.9K | 0.00% | 00.0% | Unchanged |
| Teachers Retirement System of the State of Kentucky | 9,053 | $182.0K | 0.00% | 00.0% | Unchanged |
| Sterling Capital Management LLC | 9,912 | $200.0K | 0.00% | −473−4.6% | Reduced |
| Gotham Asset Management, LLC | 10,139 | $204.6K | 0.00% | +10,139 | New |
| Police & Firemen's Retirement System of New Jersey | 10,263 | $207.1K | 0.00% | 00.0% | Unchanged |
| Significant Wealth Partners LLC | 10,424 | $210.4K | 0.23% | +10,424 | New |
| State of New Jersey Common Pension Fund D | 10,440 | $210.7K | 0.00% | −2,124−16.9% | Reduced |
| Magnetar Financial LLC | 10,906 | $220.1K | 0.00% | −329−2.9% | Reduced |
| State Board of Administration of Florida Retirement System | 10,913 | $220.2K | 0.00% | 00.0% | Unchanged |
| Allstate Corp | 11,353 | $229.1K | 0.00% | +11,353 | New |
| Canada Pension Plan Investment Board | 11,500 | $232.1K | 0.00% | −4,800−29.4% | Reduced |
| Envestnet Asset Management Inc | 11,999 | $242.1K | 0.00% | −6,269−34.3% | Reduced |
| Profund Advisors LLC | 12,015 | $242.5K | 0.01% | +1,357+12.7% | Added |
| Advisor Group Holdings, Inc. | 12,742 | $257.1K | 0.00% | −298−2.3% | Reduced |