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 |
|---|---|---|---|---|---|
| Illinois Municipal Retirement Fund | 17,452 | $352.2K | 0.00% | −2,076−10.6% | Reduced |
| Man Group plc | 17,342 | $350.0K | 0.00% | −19,932−53.5% | Reduced |
| State of Wisconsin Investment Board | 17,039 | $343.8K | 0.00% | −349−2.0% | Reduced |
| Jupiter Topco LLC | 16,868 | $340.4K | 0.00% | +16,868 | New |
| Citadel Advisors LLC | 16,231 | $327.5K | 0.00% | −49,309−75.2% | Reduced |
| Assenagon Asset Management S.A. | 15,216 | $307.1K | 0.00% | 00.0% | Unchanged |
| Louisiana State Employees Retirement System | 14,900 | $300.7K | 0.00% | −800−5.1% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 14,873 | $300.1K | 0.00% | −1,973−11.7% | Reduced |
| Fox Run Management, L.L.C. | 14,556 | $293.7K | 0.05% | +14,556 | New |
| Manufacturers Life Insurance Company, The | 14,247 | $287.5K | 0.00% | −1,632−10.3% | Reduced |
| Jain Global LLC | 14,183 | $286.2K | 0.00% | +14,183 | New |
| Hohimer Wealth Management, LLC | 13,128 | $264.9K | 0.03% | +62+0.5% | Added |
| Advisor Group Holdings, Inc. | 12,742 | $257.1K | 0.00% | −298−2.3% | Reduced |
| Profund Advisors LLC | 12,015 | $242.5K | 0.01% | +1,357+12.7% | Added |
| Envestnet Asset Management Inc | 11,999 | $242.1K | 0.00% | −6,269−34.3% | Reduced |
| Canada Pension Plan Investment Board | 11,500 | $232.1K | 0.00% | −4,800−29.4% | Reduced |
| Allstate Corp | 11,353 | $229.1K | 0.00% | +11,353 | New |
| State Board of Administration of Florida Retirement System | 10,913 | $220.2K | 0.00% | 00.0% | Unchanged |
| Magnetar Financial LLC | 10,906 | $220.1K | 0.00% | −329−2.9% | Reduced |
| State of New Jersey Common Pension Fund D | 10,440 | $210.7K | 0.00% | −2,124−16.9% | Reduced |
| Significant Wealth Partners LLC | 10,424 | $210.4K | 0.23% | +10,424 | New |
| Police & Firemen's Retirement System of New Jersey | 10,263 | $207.1K | 0.00% | 00.0% | Unchanged |
| Gotham Asset Management, LLC | 10,139 | $204.6K | 0.00% | +10,139 | New |
| Sterling Capital Management LLC | 9,912 | $200.0K | 0.00% | −473−4.6% | Reduced |
| Teachers Retirement System of the State of Kentucky | 9,053 | $182.0K | 0.00% | 00.0% | Unchanged |
| State of Tennessee, Treasury Department | 8,619 | $173.9K | 0.00% | 00.0% | Unchanged |
| Vanguard Investments Australia, Ltd. | 8,567 | $172.9K | 0.00% | 00.0% | Unchanged |
| KLP Kapitalforvaltning AS | 7,900 | $159.4K | 0.00% | 00.0% | Unchanged |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 7,783 | $157.1K | 0.00% | 00.0% | Unchanged |
| Oregon Public Employees Retirement Fund | 7,742 | $156.2K | 0.00% | −300−3.7% | Reduced |
| Fifth Third Bancorp | 7,300 | $147.3K | 0.00% | −1,450−16.6% | Reduced |
| State of Wyoming | 7,022 | $141.7K | 0.01% | +7,022 | New |
| China Universal Asset Management Co., Ltd. | 7,017 | $141.6K | 0.01% | −1,034−12.8% | Reduced |
| Corient IA LLC | 6,670 | $134.6K | 0.12% | 00.0% | Unchanged |
| Vestcor Inc | 5,743 | $116.0K | 0.00% | −5,206−47.5% | Reduced |
| Public Employees Retirement Association of Colorado | 5,265 | $106.0K | 0.00% | 00.0% | Unchanged |
| The PNC Financial Services Group, Inc. | 5,004 | $101.0K | 0.00% | −445−8.2% | Reduced |
| Royal Bank of Canada | 4,739 | $97.0K | 0.00% | +1,216+34.5% | Added |
| Basecamp Wealth Advisors LLC | 4,416 | $89.1K | 0.02% | +60+1.4% | Added |
| New Age Alpha Advisors, LLC | 3,147 | $63.5K | 0.00% | +3,147 | New |
| Ameritas Investment Partners, Inc. | 3,101 | $62.6K | 0.00% | 00.0% | Unchanged |
| Parallel Advisors, LLC | 2,988 | $60.3K | 0.00% | +2,331+354.8% | Added |
| Federated Hermes, Inc. | 2,910 | $58.7K | 0.00% | −11,169−79.3% | Reduced |
| Hantz Financial Services, Inc. | 2,417 | $49.0K | 0.00% | +390+19.2% | Added |
| TD Private Client Wealth LLC | 2,379 | $48.0K | 0.00% | 00.0% | Unchanged |
| Mirae Asset Global Investments Co., Ltd. | 1,972 | $39.8K | 0.00% | −394−16.7% | Reduced |
| Quantbot Technologies LP | 1,924 | $38.8K | 0.00% | +1,924 | New |
| SRS Capital Advisors, Inc. | 1,807 | $36.5K | 0.00% | +1,747+2,911.7% | Added |
| Fulcrum Asset Management LLP | 1,750 | $36.2K | 0.00% | +1,750 | New |
| Tower Research Capital LLC (TRC) | 1,514 | $30.6K | 0.00% | −2,404−61.4% | Reduced |
| Ronald Blue Trust, Inc. | 1,273 | $25.7K | 0.00% | −334−20.8% | Reduced |
| CX Institutional | 1,259 | $25.0K | 0.00% | −1,714−57.7% | Reduced |
| Pinnacle Wealth Planning Services, Inc. | 1,165 | $23.5K | 0.00% | +882+311.7% | Added |
| US Bancorp | 1,119 | $22.6K | 0.00% | +801+251.9% | Added |
| GF Fund Management Co. Ltd. | 963 | $19.4K | 0.00% | −61−6.0% | Reduced |
| Vanguard National Trust Co | 886 | $17.9K | 0.00% | 00.0% | Unchanged |
| Farther Finance Advisors, LLC | 774 | $15.7K | 0.00% | −362−31.9% | Reduced |
| Public Employees Retirement System of Ohio | 754 | $15.2K | 0.00% | +165+28.0% | Added |
| 1620 Investment Advisors, Inc. | 615 | $12.4K | 0.01% | −103−14.3% | Reduced |
| Nykredit A/S | 595 | $12.0K | 0.00% | +595 | New |
| Allworth Financial LP | 563 | $11.4K | 0.00% | +520+1,209.3% | Added |
| Huntington National Bank | 525 | $10.6K | 0.00% | +525 | New |
| Nisa Investment Advisors, LLC | 502 | $10.1K | 0.00% | +141+39.1% | Added |
| Massmutual Trust Co FSB | 433 | $8.74K | 0.00% | +209+93.3% | Added |
| Harbor Capital Advisors, Inc. | 391 | $8.00K | 0.00% | 00.0% | Unchanged |
| GAMMA Investing LLC | 312 | $6.30K | 0.00% | −27−8.0% | Reduced |
| Umb Bank N A | 292 | $5.89K | 0.00% | +112+62.2% | Added |
| Global Retirement Partners, LLC | 291 | $5.87K | 0.00% | +291 | New |
| Smartleaf Asset Management LLC | 273 | $5.65K | 0.00% | 00.0% | Unchanged |
| Signaturefd, LLC | 277 | $5.59K | 0.00% | −311−52.9% | Reduced |
| Jones Financial Companies LLLP | 228 | $4.97K | 0.00% | −60−20.8% | Reduced |
| Aster Capital Management (DIFC) Ltd | 238 | $4.80K | 0.00% | +238 | New |
| Versant Capital Management, Inc | 218 | $4.40K | 0.00% | 00.0% | Unchanged |
| Los Angeles Capital Management LLC | 217 | $4.38K | 0.00% | 00.0% | Unchanged |
| Spire Wealth Management | 206 | $4.16K | 0.00% | 00.0% | Unchanged |
| Optiver Holding B.V. | 192 | $3.88K | 0.00% | +164+585.7% | Added |
| Rothschild Investment LLC | 177 | $3.57K | 0.00% | +176+17,600.0% | Added |
| EverSource Wealth Advisors, LLC | 152 | $3.07K | 0.00% | +128+533.3% | Added |
| City State Bank | 150 | $3.03K | 0.00% | 00.0% | Unchanged |
| WealthCollab, LLC | 116 | $2.34K | 0.00% | +52+81.3% | Added |
| Bank of New Hampshire | 110 | $2.22K | 0.00% | −96−46.6% | Reduced |
| Parkside Financial Bank & Trust | 107 | $2.16K | 0.00% | −49−31.4% | 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 |
| Essential Partners LLC | 90 | $1.82K | 0.00% | −31−25.6% | Reduced |
| Salomon & Ludwin, LLC | 81 | $1.63K | 0.00% | +81 | New |
| IFP Advisors, Inc | 70 | $1.41K | 0.00% | 00.0% | Unchanged |
| HighMark Wealth Management LLC | 55 | $1.11K | 0.00% | 00.0% | Unchanged |
| SBI Securities Co., Ltd. | 51 | $1.03K | 0.00% | +7+15.9% | Added |
| Covestor Ltd | 65 | $1.00K | 0.00% | +28+75.7% | Added |
| Zions Bancorporation, National Association | 37 | $747 | 0.00% | +37 | New |
| Wealth Enhancement Trust Services, Inc. | 35 | $706 | 0.00% | +35 | New |
| Keating Financial Advisory Services, Inc. | 28 | $565 | 0.00% | +28 | New |
| Brown, Lisle/Cummings, Inc. | 27 | $545 | 0.00% | 00.0% | Unchanged |
| Farmers & Merchants Investments Inc | 25 | $505 | 0.00% | 00.0% | Unchanged |
| Bare Financial Services, Inc | 23 | $464 | 0.00% | −23−50.0% | Reduced |
| Larson Financial Group LLC | 20 | $404 | 0.00% | 00.0% | Unchanged |
| Clearstead Advisors, LLC | 17 | $344 | 0.00% | +17 | New |
| Continuum Advisory, LLC | 17 | $343 | 0.00% | +17 | New |
| Trust Co | 15 | $303 | 0.00% | 00.0% | Unchanged |