Amphastar PharmaceuticalsAMPH
13F holders, Q2 2024 (June 30)269holders −1
34new positions
37sold out
7famous investors
$40.01avg. 13F price*
At the end of Q2 2024, 269 institutions reported holding Amphastar Pharmaceuticals Inc. (AMPH) in their 13F filings, down 1 from Q1 2024. 34 opened new positions and 37 sold out. The largest holders were BlackRock Inc. ($237.7M), Vanguard Group Inc. ($106.9M) and Federated Hermes, Inc. ($77.8M). 7 famous investors held it, including Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio), Steve Cohen (0.0% of Point72 Asset Management's portfolio) and Israel Englander (0.0% of Millennium Management's portfolio).
- Company
- Amphastar Pharmaceuticals Inc.
- CUSIP
- 03209R103
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2024 → Q2 2024
| Institutions | Total Value | |
|---|---|---|
| New Positions | 34 | $23.4M |
| Exits | 37 | $20.7M |
All 13F filers, Q1 2024 → Q2 2024: 3,275,152 shares bought and 2,474,059 shares sold, net +801,093 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 269 holders
| BlackRock Inc. | 0.01% | Reduce -2.3% | 5,942,524 | $237.7M |
| Vanguard Group Inc. | 0.00% | Reduce -2.2% | 2,672,862 | $106.9M |
| Federated Hermes, Inc. | 0.18% | Reduce -6.4% | 1,944,800 | $77.8M |
| TD Asset Management Inc | 0.06% | Add +67.4% | 1,691,569 | $67.7M |
| Neuberger Berman Group LLC | 0.05% | Reduce -2.2% | 1,622,609 | $64.9M |
| State Street Corp. | 0.00% | Add +1.0% | 1,529,536 | $61.2M |
| Fuller & Thaler Asset Management, Inc. | 0.22% | Reduce -0.1% | 1,272,818 | $50.9M |
| Epoch Investment Partners, Inc. | 0.20% | Add +35.1% | 1,078,852 | $43.2M |
| Dimensional Fund Advisors LP | 0.01% | Reduce -9.6% | 1,070,275 | $42.8M |
| Geode Capital Management, LLC | 0.00% | Add +4.7% | 906,348 | $36.3M |
| American Century Companies Inc. | 0.02% | Add +19.7% | 740,408 | $29.6M |
| Millennium Management | 0.03% | Add +84.6% | 738,748 | $29.5M |
| Morgan Stanley | 0.00% | Add +9.1% | 610,137 | $24.4M |
| T. Rowe Price Associates Inc. | 0.00% | Reduce -0.1% | 583,906 | $23.4M |
| Northern Trust Corp. | 0.00% | Add +0.6% | 564,123 | $22.6M |
| Renaissance Technologies | 0.04% | Reduce -10.3% | 537,700 | $21.5M |
| Boone Capital Management LLC | 5.17% | Reduce -18.4% | 495,089 | $19.8M |
| Bessemer Group Inc. | 0.03% | Add +17.8% | 466,228 | $18.6M |
| Invesco Ltd. | 0.00% | Add +11.9% | 450,930 | $18.0M |
| Granite Investment Partners, LLC | 0.66% | Add +12.7% | 397,514 | $15.9M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +0.8% | 359,222 | $14.4M |
| Mesirow Institutional Investment Management, Inc. | 1.24% | Add +0.9% | 353,447 | $14.1M |
| Nuveen Asset Management, LLC | 0.00% | Add +60.9% | 301,589 | $12.1M |
| Bank of New York Mellon Corp | 0.00% | Reduce -1.5% | 289,954 | $11.6M |
| Nordea Investment Management AB | 0.01% | Reduce -15.7% | 280,584 | $11.3M |
| Citadel Advisors | 0.01% | Add +288.7% | 263,151 | $10.5M |
| Point72 Asset Management | 0.03% | Reduce -10.1% | 235,836 | $9.4M |
| Marshall Wace, LLP | 0.01% | New | 227,127 | $9.1M |
| Principal Financial Group Inc. | 0.01% | Reduce -0.2% | 218,172 | $8.7M |
| Qube Research & Technologies Ltd | 0.02% | Add +63.9% | 206,219 | $8.2M |
| Voloridge Investment Management, LLC | 0.03% | Reduce -9.2% | 201,473 | $8.1M |
| Victory Capital Management Inc. | 0.01% | Reduce -7.4% | 197,001 | $7.9M |
| Assenagon Asset Management S.A. | 0.02% | Add +22.9% | 189,605 | $7.6M |
| Silvercrest Asset Management Group LLC | 0.05% | Add +50.8% | 169,576 | $6.8M |
| Janus Henderson Group PLC | 0.00% | Reduce -1.8% | 156,264 | $6.3M |
| Bank of America Corp. | 0.00% | Add +23.8% | 155,267 | $6.2M |
| Goldman Sachs Group Inc. | 0.00% | Reduce -23.1% | 153,606 | $6.1M |
| Oberweis Asset Management Inc./ | 0.33% | Reduce -67.7% | 135,055 | $5.4M |
| Lam Group, Inc. | 4.41% | No change | 130,800 | $5.2M |
| Frontier Capital Management Co. LLC | 0.05% | Reduce -0.9% | 124,768 | $5.0M |
| Ameriprise Financial Inc. | 0.00% | Reduce -8.0% | 123,913 | $5.0M |
| UBS Group AG | 0.00% | Add +52.5% | 122,681 | $4.9M |
| Raymond James & Associates | 0.00% | Add +16.9% | 114,719 | $4.6M |
| Portolan Capital Management, LLC | 0.36% | Add +19.6% | 108,863 | $4.4M |
| Two Sigma Advisers, LP | 0.01% | Reduce -15.7% | 106,100 | $4.2M |
| Legal & General Group Plc | 0.00% | Reduce -1.4% | 105,849 | $4.2M |
| Trexquant Investment LP | 0.06% | Add +36.0% | 105,745 | $4.2M |
| Connor, Clark & Lunn Investment Management Ltd. | 0.02% | Add +17.6% | 104,121 | $4.2M |
| Clark Capital Management Group, Inc. | 0.03% | Add +143.1% | 97,410 | $3.9M |
| Jane Street Group, LLC | 0.00% | Add +148.9% | 96,714 | $3.9M |
| Two Sigma Investments, LP | 0.01% | Reduce -0.4% | 96,430 | $3.9M |
| Mutual of America Capital Management LLC | 0.04% | Reduce -4.0% | 93,729 | $3.7M |
| Rhumbline Advisers | 0.00% | Add +1.6% | 90,587 | $3.6M |
| Squarepoint Ops LLC | 0.01% | Add +10.4% | 90,552 | $3.6M |
| Ellsworth Advisors, LLC | 0.96% | Add +6.4% | 86,391 | $3.5M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Add +95.7% | 85,803 | $3.4M |
| Public Sector Pension Investment Board | 0.02% | Add +9.5% | 83,887 | $3.4M |
| LSV Asset Management | 0.01% | Reduce -64.2% | 80,400 | $3.2M |
| Swiss National Bank | 0.00% | Add +1.9% | 77,000 | $3.1M |
| Brandywine Global Investment Management, LLC | 0.02% | New | 74,115 | $3.0M |
| Wells Fargo & Company | 0.00% | Add +25.4% | 71,786 | $2.9M |
| JPMorgan Chase & Co. | 0.00% | Reduce -49.0% | 71,571 | $2.9M |
| New York State Common Retirement Fund | 0.00% | Add +21.7% | 65,727 | $2.6M |
| Renaissance Group LLC | 0.10% | Add +9.4% | 65,018 | $2.6M |
| Hussman Strategic Advisors, Inc. | 0.69% | No change | 63,000 | $2.5M |
| BNP Paribas Financial Markets | 0.00% | Reduce -3.4% | 59,182 | $2.4M |
| Voya Investment Management LLC | 0.00% | Reduce -26.0% | 58,966 | $2.4M |
| AQR Capital Management | 0.00% | Reduce -2.2% | 55,796 | $2.2M |
| Moody Aldrich Partners LLC | 0.43% | Reduce -26.2% | 55,734 | $2.2M |
| Cubist Systematic Strategies, LLC | 0.04% | Reduce -0.1% | 55,107 | $2.2M |
| Aurora Investment Counsel | 1.29% | New | 54,466 | $2.2M |
| ExodusPoint Capital Management, LP | 0.02% | Reduce -5.9% | 51,315 | $2.1M |
| Alliancebernstein L.P. | 0.00% | Add +5.4% | 49,770 | $2.0M |
| CANADA LIFE ASSURANCE Co | 0.00% | Add +23.0% | 49,122 | $2.0M |
| Bridge City Capital, LLC | 0.66% | Add +40.8% | 48,946 | $2.0M |
| Barclays PLC | 0.00% | Reduce -31.4% | 48,578 | $1.9M |
| Twinbeech Capital LP | 0.04% | Reduce -61.4% | 45,224 | $1.8M |
| Prudential Financial Inc. | 0.00% | Reduce -1.3% | 41,425 | $1.7M |
| Allspring Global Investments Holdings, LLC | 0.00% | Reduce -36.6% | 40,946 | $1.6M |
| Assetmark, Inc. | 0.01% | Add +12.5% | 40,256 | $1.6M |
| Martingale Asset Management L P | 0.03% | Reduce -0.0% | 39,265 | $1.6M |
| California State Teachers Retirement System | 0.00% | Reduce -0.4% | 38,117 | $1.5M |
| Engineers Gate Manager LP | 0.03% | Add +40.3% | 35,695 | $1.4M |
| Citigroup Inc. | 0.00% | Add +0.1% | 34,995 | $1.4M |
| Royal Bank of Canada | 0.00% | Add +173.4% | 33,184 | $1.3M |
| Thrivent Financial for Lutherans | 0.00% | Reduce -2.3% | 31,665 | $1.3M |
| State of Wisconsin Investment Board | 0.00% | Reduce -59.8% | 31,296 | $1.3M |
| Franklin Resources Inc. | 0.00% | Add +11.6% | 28,640 | $1.1M |
| Jacobs Levy Equity Management, Inc. | 0.00% | Reduce -85.3% | 28,616 | $1.1M |
| New York State Teachers Retirement System | 0.00% | Reduce -9.3% | 27,980 | $1.1M |
| FMR LLC | 0.00% | Add +32.9% | 27,752 | $1.1M |
| Gotham Asset Management | 0.01% | Reduce -4.2% | 27,675 | $1.1M |
| Redwood Investments, LLC | 0.36% | Reduce -23.6% | 26,769 | $1.1M |
| Sei Investments Co. | 0.00% | Reduce -13.3% | 26,543 | $1.1M |
| Advisor OS, LLC | 0.11% | Reduce -3.4% | 26,012 | $1.0M |
| Arkadios Wealth Advisors | 0.07% | New | 25,755 | $1.0M |
| Envestnet Asset Management Inc. | 0.00% | Add +6.6% | 25,360 | $1.0M |
| AlphaCentric Advisors LLC | 0.74% | New | 25,000 | $1.0M |
| Centiva Capital, LP | 0.05% | New | 23,575 | $943K |
| MetLife Investment Management, LLC | 0.01% | Add +15.8% | 22,607 | $904K |
| State of Alaska, Department of Revenue | 0.01% | Reduce -1.6% | 22,395 | $895K |
| Corebridge Financial, Inc. | 0.00% | — | 22,303 | $892K |
| Manufacturers Life Insurance Company, The | 0.00% | Add +4.5% | 22,246 | $890K |
| WINTON GROUP Ltd | 0.06% | Add +8.0% | 22,234 | $889K |
| Illinois Municipal Retirement Fund | 0.01% | Reduce -0.3% | 21,295 | $852K |
| DekaBank Deutsche Girozentrale | 0.00% | No change | 20,848 | $832K |
| Osaic Holdings, Inc. | 0.00% | Reduce -53.4% | 20,767 | $831K |
| State of Tennessee, Department of Treasury | 0.00% | No change | 19,614 | $785K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | — | 19,524 | $781K |
| Tudor Investment Corporation | 0.01% | New | 19,427 | $777K |
| Louisiana State Employees Retirement System | 0.01% | Add +3.8% | 19,200 | $768K |
| Shaker Investments LLC | 0.32% | Reduce -62.3% | 18,545 | $742K |
| Deutsche Bank AG | 0.00% | Reduce -12.7% | 18,145 | $726K |
| Susquehanna International Group, LLP | 0.00% | Reduce -17.4% | 17,693 | $708K |
| Handelsbanken Fonder AB | 0.00% | Add +19.9% | 16,900 | $676K |
| Capital Impact Advisors, LLC | 1.85% | No change | 16,425 | $657K |
| Dynamic Technology Lab Private Ltd | 0.07% | Reduce -10.1% | 15,906 | $636K |
| Glenmede Trust Co. NA | 0.00% | Reduce -9.3% | 15,445 | $618K |
| Corient Private Wealth LP | 0.00% | Reduce -0.4% | 15,337 | $613K |
| Sherbrooke Park Advisers LLC | 0.11% | Add +55.8% | 15,147 | $606K |
| Legato Capital Management LLC | 0.08% | Add +41.0% | 14,810 | $592K |
| Truist Financial Corp. | 0.00% | Reduce -5.8% | 14,485 | $579K |
| US Bancorp \de | 0.00% | Reduce -15.8% | 14,354 | $574K |
| Advisory Research Inc. | 0.11% | Add +7.1% | 14,270 | $571K |
| Comerica Bank | 0.00% | Reduce -14.1% | 13,393 | $536K |
| Maryland State Retirement & Pension System | 0.01% | Reduce -2.1% | 13,299 | $532K |
| Quantbot Technologies LP | 0.02% | Add +13.5% | 12,430 | $497K |
| Yousif Capital Management, LLC | 0.01% | Reduce -11.1% | 12,182 | $487K |
| Cambridge Investment Research Advisors, Inc. | 0.00% | New | 11,870 | $475K |
| Schonfeld Strategic Advisors LLC | 0.00% | Add +88.6% | 11,750 | $470K |
| Teachers Retirement System of the State of Kentucky | 0.00% | No change | 11,691 | $467K |
| Amalgamated Bank | 0.00% | Reduce -1.2% | 11,481 | $459K |
| Cim, LLC | 0.07% | Add +7.5% | 10,016 | $455K |
| Crossmark Global Holdings, Inc. | 0.01% | Add +2.5% | 11,300 | $452K |
| Juncture Wealth Strategies, LLC | 0.19% | Reduce -2.9% | 11,220 | $449K |
| Invst, LLC | 0.05% | Add +101.3% | 11,638 | $448K |
| Arizona State Retirement System | 0.00% | Add +3.9% | 10,943 | $438K |
| Stephens Inc. | 0.01% | Add +19.6% | 10,935 | $437K |
| State Board of Administration of Florida Retirement System | 0.00% | Add +94.1% | 10,913 | $437K |
| Intech Investment Management LLC | 0.01% | New | 10,658 | $426K |
| Guidance Capital, Inc. | 0.14% | Add +16.1% | 9,770 | $425K |
| Raymond James Financial Services Advisors, Inc. | 0.00% | Add +16.9% | 10,389 | $416K |
| Commonwealth Equity Services, LLC | 0.00% | Reduce -0.2% | 10,190 | $408K |
| First Trust Advisors LP | 0.00% | Reduce -85.5% | 9,710 | $388K |
| PDT Partners, LLC | 0.04% | New | 9,702 | $388K |
| Sanctuary Advisors, LLC | 0.00% | — | 9,439 | $388K |
| STRS Ohio | 0.00% | Reduce -43.3% | 9,700 | $388K |
| Vestcor Inc | 0.01% | No change | 9,383 | $375K |
| UniSuper Management Pty Ltd | 0.00% | Add +38.6% | 9,331 | $373K |
| Cynosure Group, LLC | 0.06% | Add +27.9% | 9,276 | $371K |
| Oregon Public Employees Retirement Fund | 0.01% | Reduce -8.0% | 9,242 | $370K |
| Healthcare of Ontario Pension Plan Trust Fund | 0.00% | New | 9,100 | $364K |
| Royce & Associates LP | 0.00% | New | 9,076 | $363K |
| ProShare Advisors LLC | 0.00% | Reduce -19.4% | 8,840 | $354K |
| Man Group plc | 0.00% | New | 8,776 | $351K |
| Campbell & CO Investment Adviser LLC | 0.03% | Reduce -37.1% | 8,668 | $347K |
| Teacher Retirement System of Texas | 0.00% | Add +0.6% | 8,583 | $343K |
| Profund Advisors LLC | 0.01% | Reduce -1.9% | 8,490 | $340K |
| Tower Research Capital LLC (TRC) | 0.01% | Add +616.2% | 8,458 | $338K |
| Cornerstone Investment Partners, LLC | 0.02% | Reduce -7.5% | 8,455 | $338K |
| Commonwealth of Pennsylvania Public School Empls Retrmt SYS | 0.00% | Add +1.9% | 8,219 | $329K |
| Hennion & Walsh Asset Management, Inc. | 0.02% | Reduce -1.8% | 8,087 | $323K |
| Capstone Investment Advisors, LLC | 0.01% | New | 7,944 | $318K |
| Bank of Montreal | 0.00% | Add +0.1% | 7,654 | $316K |
| Alps Advisors Inc. | 0.00% | Reduce -0.5% | 7,889 | $316K |
| Pathstone Holdings, LLC | 0.00% | Add +32.9% | 7,452 | $298K |
| Lazard Asset Management LLC | 0.00% | Reduce -17.1% | 7,479 | $298K |
| Petrus Trust Company, LTA | 0.03% | No change | 7,061 | $282K |
| Gallacher Capital Management LLC | 0.15% | New | 6,971 | $279K |
| HSBC Holdings PLC | 0.00% | Reduce -9.6% | 6,718 | $271K |
| LPL Financial LLC | 0.00% | New | 6,752 | $270K |
| Praxis Investment Management Inc. | 0.02% | No change | 6,470 | $267K |
| Deerfield Management Company, L.P. | 0.01% | New | 6,623 | $265K |
| Verition Fund Management LLC | 0.00% | New | 6,511 | $260K |
| Fox Run Management, L.L.C. | 0.05% | Reduce -15.6% | 6,487 | $259K |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 0.00% | Reduce -29.6% | 6,244 | $250K |
| Guggenheim Capital LLC | 0.00% | Add +34.1% | 6,184 | $247K |
| Virtus Investment Advisers, LLC | 0.22% | No change | 6,109 | $244K |
| EntryPoint Capital, LLC | 0.11% | Add +63.5% | 5,898 | $236K |
| Amundi | 0.00% | Reduce -12.5% | 6,022 | $232K |
| MML Investors Services, LLC | 0.00% | New | 5,806 | $232K |
| Rafferty Asset Management, LLC | 0.00% | Add +6.3% | 5,760 | $230K |
| China Universal Asset Management Co., Ltd. | 0.03% | Reduce -37.9% | 5,745 | $230K |
| Hancock Whitney Corp. | 0.01% | Reduce -6.0% | 5,738 | $230K |
| First Hawaiian Bank | 0.01% | Reduce -5.9% | 5,519 | $221K |
| Court Place Advisors, LLC | 0.07% | New | 5,500 | $220K |
| Alan B Lancz & Associates, Inc. | 0.21% | — | 5,400 | $216K |
| Allianz Asset Management GmbH | 0.00% | New | 5,400 | $216K |
| Public Employees Retirement Association of Colorado | 0.00% | Reduce -13.0% | 5,265 | $211K |
| Aigen Investment Management, LP | 0.04% | New | 5,171 | $207K |
| Pictet Asset Management Holding SA | 0.00% | No change | 5,116 | $205K |
| Oakworth Capital, Inc. | 0.01% | New | 5,023 | $201K |
| Walleye Capital LLC | 0.00% | New | 5,017 | $201K |
| Mendota Financial Group, LLC | 0.10% | New | 4,504 | $180K |
| AlphaQuest LLC | 0.02% | Add +434800.0% | 4,349 | $174K |
| Ameritas Investment Partners, Inc. | 0.01% | No change | 3,987 | $159K |
| EMC Capital Management | 0.07% | No change | 3,113 | $125K |
| Russell Investments Group, Ltd. | 0.00% | Reduce -91.2% | 3,014 | $121K |
| 1620 Investment Advisors, Inc. | 0.07% | New | 2,318 | $93K |
| nVerses Capital, LLC | 0.05% | Add +37.5% | 2,200 | $88K |
| PNC Financial Services Group, Inc. | 0.00% | Reduce -67.6% | 2,153 | $86K |
| Point72 (DIFC) Ltd | 0.01% | Reduce -79.8% | 2,127 | $85K |
| Blue Trust, Inc. | 0.00% | Add +23.9% | 1,604 | $70K |
| TD Private Client Wealth LLC | 0.00% | Add +1.0% | 1,672 | $67K |
| KBC Group NV | 0.00% | Add +55.4% | 1,509 | $60K |
| Mirae Asset Global Investments Co., Ltd. | 0.00% | Reduce -91.8% | 1,460 | $59K |
| Allworth Financial LP | 0.00% | No change | 1,426 | $56K |
| Innealta Capital, LLC | 0.02% | New | 1,371 | $55K |
| Virtus Fund Advisers, LLC | 0.19% | Add +8.1% | 1,178 | $47K |
| Nisa Investment Advisors, LLC | 0.00% | Add +0.1% | 1,154 | $46K |
| Pinnacle Financial Partners Inc | 0.00% | No change | 1,000 | $44K |
| Leonteq Securities AG | 0.01% | Reduce -16.7% | 1,000 | $40K |
| Cwm, LLC | 0.00% | Add +29.2% | 964 | $39K |
| Concourse Financial Group Securities, Inc. | 0.00% | Add +5.4% | 940 | $38K |
| Pacer Advisors, Inc. | 0.00% | Add +17.1% | 927 | $37K |
| Advisors Asset Management, Inc. | 0.00% | Reduce -0.4% | 926 | $37K |
| Huntington National Bank | 0.00% | Add +6.7% | 889 | $36K |
| Group One Trading LLC | 0.00% | New | 814 | $33K |
| Simplex Trading, LLC | 0.00% | New | 815 | $32K |
| Quadrant Capital Group LLC | 0.00% | Reduce -1.3% | 793 | $32K |
| Point72 Asia (Singapore) Pte. Ltd. | 0.01% | Reduce -83.4% | 746 | $30K |
| Principal Securities, Inc. | 0.00% | Add +150.3% | 731 | $29K |
| ADAR1 Capital Management, LLC | 0.01% | No change | 700 | $28K |
| Steward Partners Investment Advisory, LLC | 0.00% | Add +160.0% | 650 | $26K |
| Fifth Third Bancorp | 0.00% | Add +0.3% | 610 | $24K |
| Nvwm, LLC | 0.00% | Add +15.3% | 408 | $16K |
| Point72 Hong Kong Ltd | 0.00% | Reduce -83.3% | 401 | $16K |
| GAMMA Investing LLC | 0.00% | Add +36.8% | 390 | $16K |
| Signaturefd, LLC | 0.00% | Reduce -4.1% | 352 | $14K |
| CIBC Private Wealth Group LLC | 0.00% | Add +9.7% | 328 | $12K |
| Harbour Investments, Inc. | 0.00% | No change | 270 | $11K |
| Versant Capital Management, Inc | 0.00% | No change | 268 | $11K |
| Covestor Ltd | 0.01% | Add +34.7% | 268 | $10K |
| Richardson Financial Services Inc. | 0.01% | Add +127.1% | 243 | $10K |
| Silicon Valley Capital Partners | 0.00% | No change | 229 | $9K |
| Spire Wealth Management | 0.00% | New | 202 | $8K |
| Trivant Custom Portfolio Group, LLC | 0.00% | No change | 200 | $8K |
| Global Retirement Partners, LLC | 0.00% | Add +308.5% | 192 | $8K |
| Quarry LP | 0.00% | New | 182 | $7K |
| City State Bank | 0.00% | No change | 150 | $6K |
| Kelly Financial Services LLC | 0.00% | No change | 150 | $6K |
| Lanark Financial, Inc. | 0.00% | No change | 165 | $6K |
| Daiwa Securities Group Inc. | 0.00% | Reduce -20.6% | 154 | $6K |
| Farther Finance Advisors, LLC | 0.00% | Add +48.0% | 145 | $6K |
| Public Employees Retirement System of Ohio | 0.00% | Add +138.2% | 131 | $5K |
| Parkside Financial Bank & Trust | 0.00% | No change | 108 | $4K |
| Clearstead Advisors, LLC | 0.00% | Add +8.0% | 108 | $4K |
| Eagle Bay Advisors LLC | 0.00% | No change | 105 | $4K |
| Smartleaf Asset Management LLC | 0.00% | New | 100 | $4K |
| Capital Advisors, Ltd. LLC | 0.00% | Add +10.0% | 99 | $4K |
| MassMutual Private Wealth & Trust, FSB | 0.00% | No change | 97 | $4K |
| LGT Financial Advisors LLC | 0.01% | Reduce -37.6% | 83 | $3K |
| CoreCap Advisors, LLC | 0.00% | New | 59 | $2K |
| Caitlin John, LLC | 0.00% | Reduce -99.7% | 54 | $2K |
| Lindbrook Capital, LLC | 0.00% | Reduce -14.3% | 54 | $2K |
| Globeflex Capital L P | 0.00% | Reduce -97.8% | 51 | $2K |
| Rise Advisors, LLC | 0.00% | No change | 50 | $2K |
| UMB Bank, n.a. | 0.00% | Add +175.0% | 44 | $2K |
| Jones Financial Companies LLLP | 0.00% | New | 40 | $2K |
| First Horizon Advisors, Inc. | 0.00% | Reduce -74.1% | 36 | $1K |
| Carolinas Wealth Consulting LLC | 0.00% | No change | 33 | $1K |
| Farmers & Merchants Investments Inc. | 0.00% | No change | 28 | $1K |
| Bell Investment Advisors, Inc | 0.00% | Add +80.0% | 27 | $1K |
| Rothschild Investment LLC | 0.00% | Add +200.0% | 15 | $600 |
| Kayne Anderson Rudnick Investment Management LLC | 0.00% | No change | 15 | $600 |
| Parallel Advisors, LLC | 0.00% | Reduce -45.0% | 11 | $440 |
| Abound Wealth Management | 0.00% | No change | 6 | $240 |
| JFS Wealth Advisors, LLC | 0.00% | Reduce -72.7% | 3 | $120 |
| SJS Investment Consulting Inc. | 0.00% | Reduce -50.0% | 1 | $40 |
"% of holder's portfolio" is AMPH's weight in each manager's 13F, not the share of Amphastar Pharmaceuticals Inc. the manager owns.