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, Q4 2023
Institutional positions in Amphastar Pharmaceuticals, Inc. as of Dec 31, 2023. 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
- 276
- +23 vs. Q3 2023
- Shares held
- 33.3M
- +1.32M (+4.1%) vs. Q3 2023
- Total value
- $2.06B
- +$588.4M (+40.0%) vs. Q3 2023
- New holders
- 48
- 97 more added
- Sold out
- 25
- 93 more reduced
3 institutions that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2023: 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, Q4 2023
Shares, value and share of portfolio for each institution holding Amphastar Pharmaceuticals, Inc.; share changes are against Q3 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| State of Alaska, Department of Revenue | 22,989 | $1.42M | 0.02% | −738−3.1% | Reduced |
| Illinois Municipal Retirement Fund | 21,593 | $1.34M | 0.02% | −479−2.2% | Reduced |
| Exchange Traded Concepts, LLC | 21,440 | $1.33M | 0.04% | +169+0.8% | Added |
| US Bancorp | 21,248 | $1.31M | 0.00% | +20,475+2,648.8% | Added |
| American International Group, Inc. | 20,901 | $1.29M | 0.01% | +52+0.2% | Added |
| DekaBank Deutsche Girozentrale | 20,848 | $1.29M | 0.00% | 00.0% | Unchanged |
| MetLife Investment Management | 20,467 | $1.27M | 0.01% | 00.0% | Unchanged |
| State of Tennessee, Treasury Department | 20,441 | $1.26M | 0.00% | −983−4.6% | Reduced |
| Zacks Investment Management | 20,268 | $1.25M | 0.02% | −1,707−7.8% | Reduced |
| Manufacturers Life Insurance Company, The | 19,651 | $1.22M | 0.00% | −431−2.1% | Reduced |
| Calamos Advisors LLC | 19,479 | $1.20M | 0.01% | +19,479 | New |
| FMR LLC | 19,405 | $1.20M | 0.00% | −7,417−27.7% | Reduced |
| Juncture Wealth Strategies, LLC | 18,796 | $1.16M | 0.53% | +1,085+6.1% | Added |
| Louisiana State Employees Retirement System | 18,700 | $1.16M | 0.02% | −700−3.6% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 18,429 | $1.14M | 0.00% | +48+0.3% | Added |
| Glenmede Trust Co NA | 18,116 | $1.12M | 0.01% | +7,672+73.5% | Added |
| Los Angeles Capital Management LLC | 17,428 | $1.08M | 0.00% | −10,015−36.5% | Reduced |
| Algert Global LLC | 16,820 | $1.04M | 0.04% | 00.0% | Unchanged |
| Comerica Bank | 16,770 | $1.04M | 0.00% | +620+3.8% | Added |
| Yousif Capital Management, LLC | 16,668 | $1.03M | 0.01% | −1,060−6.0% | Reduced |
| Jackson Creek Investment Advisors LLC | 16,618 | $1.03M | 0.39% | −20.0% | Reduced |
| Amalgamated Bank | 16,344 | $1.01M | 0.01% | −578−3.4% | Reduced |
| STRS Ohio | 16,000 | $989.0K | 0.00% | −2,600−14.0% | Reduced |
| Truist Financial Corp | 15,790 | $976.6K | 0.00% | +1,480+10.3% | Added |
| Baird Financial Group, Inc. | 15,539 | $961.1K | 0.00% | +11,124+252.0% | Added |
| CI Private Wealth, LLC | 15,400 | $952.5K | 0.00% | −4,942−24.3% | Reduced |
| Capital Impact Advisors, LLC | 15,304 | $946.6K | 1.24% | 00.0% | Unchanged |
| Legato Capital Management LLC | 15,217 | $941.2K | 0.12% | +7,431+95.4% | Added |
| Nations Financial Group Inc, | 14,524 | $898.3K | 0.08% | +3,982+37.8% | Added |
| Caitlin John, LLC | 14,442 | $893.2K | 0.73% | +14,442 | New |
| Advisory Research Inc | 14,174 | $876.7K | 0.14% | −716−4.8% | Reduced |
| Wakefield Asset Management LLLP | 14,128 | $873.8K | 0.32% | +14,128 | New |
| Handelsbanken Fonder AB | 14,100 | $872.0K | 0.00% | +5,000+54.9% | Added |
| Annex Advisory Services, LLC | 13,860 | $857.2K | 0.04% | +9,435+213.2% | Added |
| Shariaportfolio, Inc. | 13,574 | $840.0K | 0.57% | +1,069+8.5% | Added |
| Maryland State Retirement & Pension System | 13,581 | $840.0K | 0.02% | −455−3.2% | Reduced |
| Natixis | 13,400 | $828.8K | 0.01% | +13,400 | New |
| Vestcor Inc | 13,211 | $817.0K | 0.03% | 00.0% | Unchanged |
| Advisor Resource Council | 13,162 | $814.1K | 0.09% | +13,162 | New |
| Thoroughbred Financial Services, LLC | 13,095 | $809.0K | 0.07% | +8,608+191.8% | Added |
| Seven Eight Capital, LP | 12,948 | $800.8K | 0.09% | +12,948 | New |
| HighTower Advisors, LLC | 12,875 | $792.0K | 0.00% | +6,886+115.0% | Added |
| AQR Capital Management LLC | 12,744 | $788.2K | 0.00% | −16,246−56.0% | Reduced |
| Advisor Group Holdings, Inc. | 12,370 | $764.9K | 0.00% | +3,985+47.5% | Added |
| ExodusPoint Capital Management, LP | 12,296 | $761.0K | 0.01% | +7,410+151.7% | Added |
| Perigon Wealth Management, LLC | 12,102 | $748.5K | 0.02% | +7,319+153.0% | Added |
| Teachers Retirement System of the State of Kentucky | 11,691 | $723.0K | 0.01% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 11,456 | $708.6K | 0.01% | +10,291+883.3% | Added |
| Gotham Asset Management, LLC | 11,330 | $700.8K | 0.01% | +6,799+150.1% | Added |
| Hennion & Walsh Asset Management, Inc. | 11,256 | $696.2K | 0.04% | +2,328+26.1% | Added |
| Crossmark Global Holdings, Inc. | 11,219 | $694.0K | 0.01% | −194−1.7% | Reduced |
| Engineers Gate Manager LP | 11,054 | $683.7K | 0.02% | +6,392+137.1% | Added |
| Skandinaviska Enskilda Banken AB (publ) | 11,000 | $680.4K | 0.00% | 00.0% | Unchanged |
| State Board of Administration of Florida Retirement System | 10,963 | $678.1K | 0.00% | 00.0% | Unchanged |
| Oregon Public Employees Retirement Fund | 10,942 | $676.8K | 0.01% | −375−3.3% | Reduced |
| Arizona State Retirement System | 10,926 | $675.8K | 0.01% | −70−0.6% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 10,792 | $667.5K | 0.00% | +1,356+14.4% | Added |
| Westover Capital Advisors, LLC | 10,483 | $648.4K | 0.21% | +10,483 | New |
| Janney Montgomery Scott LLC | 10,368 | $641.0K | 0.00% | +10,368 | New |
| ProShare Advisors LLC | 10,265 | $634.9K | 0.00% | +1,286+14.3% | Added |
| New York Life Investment Management LLC | 9,245 | $571.8K | 0.01% | −235−2.5% | Reduced |
| Lazard Asset Management LLC | 9,197 | $568.0K | 0.00% | +10+0.1% | Added |
| Cornerstone Investment Partners, LLC | 9,145 | $565.6K | 0.03% | 00.0% | Unchanged |
| Teacher Retirement System of Texas | 9,025 | $558.0K | 0.00% | −1,942−17.7% | Reduced |
| SG Americas Securities, LLC | 8,719 | $539.0K | 0.01% | −42,008−82.8% | Reduced |
| Winton Group Ltd | 8,067 | $498.9K | 0.04% | −168−2.0% | Reduced |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 8,064 | $498.8K | 0.00% | −17,413−68.3% | Reduced |
| AXS Investments LLC | 8,000 | $494.8K | 0.12% | +8,000 | New |
| Jefferies Financial Group Inc. | 7,800 | $482.4K | 0.01% | +7,800 | New |
| Cim, LLC | 9,245 | $479.9K | 0.07% | +505+5.8% | Added |
| Navellier & Associates Inc | 7,727 | $477.9K | 0.07% | +7,727 | New |
| BI Asset Management Fondsmaeglerselskab A/S | 7,644 | $473.0K | 0.01% | +7,644 | New |
| Bank of Montreal | 7,446 | $467.3K | 0.00% | −546−6.8% | Reduced |
| Guidance Capital, Inc | 7,476 | $465.7K | 0.19% | +324+4.5% | Added |
| Mark Sheptoff Financial Planning, LLC | 7,000 | $432.9K | 0.26% | +6,700+2,233.3% | Added |
| Stratos Wealth Partners, LTD. | 6,926 | $428.4K | 0.01% | +2,255+48.3% | Added |
| Profund Advisors LLC | 6,895 | $426.5K | 0.02% | −2,455−26.3% | Reduced |
| Csenge Advisory Group | 6,672 | $412.7K | 0.03% | +6,672 | New |
| National Asset Management, Inc. | 6,628 | $409.9K | 0.01% | +6,628 | New |
| Everence Capital Management Inc | 6,470 | $400.0K | 0.03% | 00.0% | Unchanged |
| Tudor Investment Corp Et Al | 6,436 | $398.1K | 0.01% | −18,067−73.7% | Reduced |
| Public Employees Retirement Association of Colorado | 6,409 | $396.0K | 0.00% | −984−13.3% | Reduced |
| Alps Advisors Inc | 6,211 | $384.1K | 0.00% | −355−5.4% | Reduced |
| Virtus Investment Advisers, Inc. | 6,109 | $377.8K | 0.28% | 00.0% | Unchanged |
| Corton Capital Inc. | 5,915 | $365.8K | 0.12% | +5,915 | New |
| MML Investors Services, LLC | 5,871 | $363.0K | 0.00% | +5,871 | New |
| First Hawaiian Bank | 5,864 | $362.7K | 0.01% | +5,864 | New |
| Mackenzie Financial Corp | 5,755 | $355.9K | 0.00% | 00.0% | Unchanged |
| Gallacher Capital Management LLC | 5,750 | $355.6K | 0.20% | +5,750 | New |
| Yorktown Management & Research Co Inc | 5,700 | $352.5K | 0.37% | 00.0% | Unchanged |
| Petrus Trust Company, LTA | 5,687 | $351.7K | 0.03% | −5,398−48.7% | Reduced |
| Pathstone Holdings, LLC | 5,683 | $351.4K | 0.00% | +5,683 | New |
| Shell Asset Management Co | 5,642 | $349.0K | 0.02% | −1,697−23.1% | Reduced |
| China Universal Asset Management Co., Ltd. | 5,542 | $342.8K | 0.07% | +4,281+339.5% | Added |
| Court Place Advisors, LLC | 5,500 | $340.2K | 0.11% | +5,500 | New |
| Pictet Asset Management Holding SA | 5,116 | $316.4K | 0.00% | 00.0% | Unchanged |
| Commonwealth Equity Services, LLC | 4,961 | $307.0K | 0.00% | −4,900−49.7% | Reduced |
| Dakota Wealth Management | 4,910 | $303.7K | 0.01% | −25−0.5% | Reduced |
| Amundi | 5,079 | $288.6K | 0.00% | +86+1.7% | Added |
| Guggenheim Capital LLC | 4,478 | $277.0K | 0.00% | −1,571−26.0% | Reduced |