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 2025
Institutional positions in Amphastar Pharmaceuticals, Inc. as of Jun 30, 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
- 245
- +5 vs. Q1 2025
- Shares held
- 32.7M
- −518.9K (−1.6%) vs. Q1 2025
- Total value
- $752.0M
- −$211.6M (−22.0%) vs. Q1 2025
- New holders
- 45
- 91 more added
- Sold out
- 40
- 73 more reduced
1 institution that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2025: 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 2025
Shares, value and share of portfolio for each institution holding Amphastar Pharmaceuticals, Inc.; share changes are against Q1 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Abound Wealth Management | 4 | $92 | 0.00% | 00.0% | Unchanged |
| WealthTrak Capital Management LLC | 5 | $115 | 0.00% | +5 | New |
| Legacy Wealth Managment, LLC | 10 | $230 | 0.00% | 00.0% | Unchanged |
| Legacy Investment Solutions, LLC | 10 | $230 | 0.00% | +10 | New |
| Elequin Capital LP | 14 | $321 | 0.00% | +14 | New |
| Kayne Anderson Rudnick Investment Management LLC | 15 | $344 | 0.00% | 00.0% | Unchanged |
| Kilter Group LLC | 15 | $345 | 0.00% | +15 | New |
| Annis Gardner Whiting Capital Advisors, LLC | 16 | $368 | 0.00% | +16 | New |
| Principal Securities, Inc. | 18 | $413 | 0.00% | −765−97.7% | Reduced |
| Umb Bank N A | 19 | $436 | 0.00% | −208−91.6% | Reduced |
| Bare Financial Services, Inc | 19 | $436 | 0.00% | +19 | New |
| HighMark Wealth Management LLC | 20 | $459 | 0.00% | +20 | New |
| Rialto Wealth Management, LLC | 20 | $460 | 0.00% | +20 | New |
| Larson Financial Group LLC | 28 | $643 | 0.00% | −597−95.5% | Reduced |
| Farmers & Merchants Investments Inc | 28 | $643 | 0.00% | 00.0% | Unchanged |
| Atlantic Trust, LLC | 33 | $758 | 0.00% | +33 | New |
| SBI Securities Co., Ltd. | 40 | $918 | 0.00% | 00.0% | Unchanged |
| UMA Financial Services, Inc. | 41 | $942 | 0.00% | +41 | New |
| Picton Mahoney Asset Management | 24 | $1.00K | 0.00% | −1,584−98.5% | Reduced |
| Avion Wealth | 60 | $1.00K | 0.00% | +60 | New |
| Private Trust Co NA | 49 | $1.13K | 0.00% | +49 | New |
| First Horizon Advisors, Inc. | 58 | $1.33K | 0.00% | +58 | New |
| CoreCap Advisors, LLC | 59 | $1.35K | 0.00% | 00.0% | Unchanged |
| Northwestern Mutual Wealth Management Co | 62 | $1.42K | 0.00% | +62 | New |
| Anchor Investment Management, LLC | 75 | $1.72K | 0.00% | −75−50.0% | Reduced |
| SRS Capital Advisors, Inc. | 81 | $1.86K | 0.00% | +81 | New |
| Covestor Ltd | 66 | $2.00K | 0.00% | −231−77.8% | Reduced |
| Rothschild Investment LLC | 95 | $2.18K | 0.00% | +35+58.3% | Added |
| TD Waterhouse Canada Inc. | 100 | $2.33K | 0.00% | +100 | New |
| Parkside Financial Bank & Trust | 136 | $3.12K | 0.00% | −870−86.5% | Reduced |
| City State Bank | 150 | $3.44K | 0.00% | 00.0% | Unchanged |
| Essential Partners LLC | 156 | $3.58K | 0.00% | +156 | New |
| Daiwa Securities Group Inc. | 185 | $4.00K | 0.00% | 00.0% | Unchanged |
| Private Wealth Management Group, LLC | 179 | $4.11K | 0.00% | +159+795.0% | Added |
| MAI Capital Management | 186 | $4.27K | 0.00% | +186 | New |
| Smartleaf Asset Management LLC | 191 | $4.41K | 0.00% | −376−66.3% | Reduced |
| Farther Finance Advisors, LLC | 207 | $4.75K | 0.00% | +72+53.3% | Added |
| WealthCollab, LLC | 207 | $4.75K | 0.00% | +207 | New |
| Spire Wealth Management | 212 | $4.87K | 0.00% | 00.0% | Unchanged |
| Bessemer Group Inc | 200 | $5.00K | 0.00% | −361−64.3% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 199 | $5.00K | 0.00% | +199 | New |
| Huntington National Bank | 253 | $5.81K | 0.00% | −371−59.5% | Reduced |
| EverSource Wealth Advisors, LLC | 259 | $5.95K | 0.00% | +255+6,375.0% | Added |
| Harbor Capital Advisors, Inc. | 266 | $6.00K | 0.00% | +39+17.2% | Added |
| Harbour Investments, Inc. | 270 | $6.20K | 0.00% | 00.0% | Unchanged |
| Parallel Advisors, LLC | 302 | $6.93K | 0.00% | +244+420.7% | Added |
| Truvestments Capital LLC | 317 | $7.28K | 0.00% | 00.0% | Unchanged |
| Global Retirement Partners, LLC | 321 | $7.37K | 0.00% | +321 | New |
| Jones Financial Companies LLLP | 367 | $8.47K | 0.00% | +236+180.2% | Added |
| Caitong International Asset Management Co., Ltd | 372 | $8.54K | 0.01% | +249+202.4% | Added |
| Nisa Investment Advisors, LLC | 374 | $8.59K | 0.00% | −850−69.4% | Reduced |
| Public Employees Retirement System of Ohio | 414 | $9.51K | 0.00% | +57+16.0% | Added |
| US Bancorp | 431 | $9.90K | 0.00% | +29+7.2% | Added |
| Fifth Third Bancorp | 480 | $11.0K | 0.00% | +108+29.0% | Added |
| Versant Capital Management, Inc | 624 | $14.3K | 0.00% | +268+75.3% | Added |
| 1620 Investment Advisors, Inc. | 682 | $15.7K | 0.01% | −1,595−70.0% | Reduced |
| CIBC Private Wealth Group, LLC | 721 | $16.6K | 0.00% | −76−9.5% | Reduced |
| Russell Investments Group, Ltd. | 835 | $19.2K | 0.00% | −1,223−59.4% | Reduced |
| Pinnacle Financial Partners Inc | 1,000 | $23.0K | 0.00% | 00.0% | Unchanged |
| Leonteq Securities AG | 1,000 | $23.0K | 0.00% | 00.0% | Unchanged |
| GF Fund Management Co. Ltd. | 1,230 | $28.2K | 0.00% | 00.0% | Unchanged |
| Massmutual Trust Co FSB | 1,262 | $29.0K | 0.00% | +831+192.8% | Added |
| Signaturefd, LLC | 1,272 | $29.2K | 0.00% | +400+45.9% | Added |
| Simplex Trading, LLC | 1,379 | $31.0K | 0.00% | +1,379 | New |
| Hantz Financial Services, Inc. | 1,377 | $32.0K | 0.00% | +1,338+3,430.8% | Added |
| Allworth Financial LP | 1,545 | $35.5K | 0.00% | −21−1.3% | Reduced |
| TD Private Client Wealth LLC | 1,695 | $38.9K | 0.00% | −32−1.9% | Reduced |
| Ronald Blue Trust, Inc. | 1,776 | $40.8K | 0.00% | +317+21.7% | Added |
| Mirae Asset Global Investments Co., Ltd. | 1,821 | $41.8K | 0.00% | +212+13.2% | Added |
| GAMMA Investing LLC | 2,162 | $49.6K | 0.00% | +829+62.2% | Added |
| IFP Advisors, Inc | 2,035 | $51.9K | 0.00% | +877+75.7% | Added |
| State of Wyoming | 2,723 | $62.5K | 0.01% | −2,137−44.0% | Reduced |
| Tower Research Capital LLC (TRC) | 3,583 | $82.3K | 0.00% | +2,596+263.0% | Added |
| Ameritas Investment Partners, Inc. | 3,762 | $86.4K | 0.00% | 00.0% | Unchanged |
| Skopos Labs, Inc. | 3,778 | $86.7K | 0.01% | +3,629+2,435.6% | Added |
| Shell Asset Management Co | 4,173 | $96.0K | 0.00% | −460−9.9% | Reduced |
| Canada Pension Plan Investment Board | 4,200 | $96.4K | 0.00% | +1,500+55.6% | Added |
| CWM, LLC | 4,502 | $103.0K | 0.00% | +3,834+574.0% | Added |
| Public Employees Retirement Association of Colorado | 5,265 | $121.0K | 0.00% | 00.0% | Unchanged |
| Oakworth Capital, Inc. | 6,000 | $137.8K | 0.01% | 00.0% | Unchanged |
| Lazard Asset Management LLC | 6,344 | $145.0K | 0.00% | +6,344 | New |
| The PNC Financial Services Group, Inc. | 6,483 | $148.8K | 0.00% | +1,700+35.5% | Added |
| FMR LLC | 7,203 | $165.4K | 0.00% | +2,397+49.9% | Added |
| KLP Kapitalforvaltning AS | 7,400 | $169.9K | 0.00% | 00.0% | Unchanged |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 7,504 | $172.3K | 0.00% | 00.0% | Unchanged |
| Police & Firemen's Retirement System of New Jersey | 8,288 | $190.3K | 0.00% | 00.0% | Unchanged |
| Oregon Public Employees Retirement Fund | 8,442 | $193.8K | 0.00% | −100−1.2% | Reduced |
| Virginia Retirement Systems Et Al | 8,762 | $201.2K | 0.00% | −800−8.4% | Reduced |
| State of Tennessee, Treasury Department | 9,300 | $213.5K | 0.00% | 00.0% | Unchanged |
| Vestcor Inc | 9,383 | $215.0K | 0.01% | 00.0% | Unchanged |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 9,440 | $216.7K | 0.00% | +465+5.2% | Added |
| China Universal Asset Management Co., Ltd. | 9,468 | $217.4K | 0.02% | −176−1.8% | Reduced |
| Deerfield Management Company, L.P. (Series C) | 9,579 | $219.9K | 0.00% | +9,579 | New |
| Profund Advisors LLC | 9,638 | $221.3K | 0.01% | −1,618−14.4% | Reduced |
| Exchange Traded Concepts, LLC | 9,831 | $225.7K | 0.00% | +965+10.9% | Added |
| ProShare Advisors LLC | 10,039 | $230.5K | 0.00% | −1,038−9.4% | Reduced |
| Sterling Capital Management LLC | 10,217 | $234.6K | 0.00% | +898+9.6% | Added |
| Teacher Retirement System of Texas | 10,251 | $235.4K | 0.00% | −107−1.0% | Reduced |
| Schonfeld Strategic Advisors LLC | 10,340 | $237.4K | 0.00% | +10,340 | New |
| Amalgamated Bank | 10,549 | $242.0K | 0.00% | −212−2.0% | Reduced |