Amphastar PharmaceuticalsAMPH
13F holders, Q3 2024 (September 30)279holders +10
38new positions
32sold out
8famous investors
$48.50avg. 13F price*
At the end of Q3 2024, 279 institutions reported holding Amphastar Pharmaceuticals Inc. (AMPH) in their 13F filings, up 10 from Q2 2024. 38 opened new positions and 32 sold out. The largest holders were BlackRock, Inc. ($292.8M), Vanguard Group Inc. ($131.6M) and TD Asset Management Inc ($102.5M). 8 famous investors held it, including Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio), Joel Greenblatt (0.0% of Gotham 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 Q2 2024 → Q3 2024
| Institutions | Total Value | |
|---|---|---|
| New Positions | 38 | $63.0M |
| Exits | 32 | $15.0M |
All 13F filers, Q2 2024 → Q3 2024: 3,503,179 shares bought and 2,559,137 shares sold, net +944,042 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 279 holders
| BlackRock, Inc. | 0.01% | — | 6,032,722 | $292.8M |
| Vanguard Group Inc. | 0.00% | Add +1.4% | 2,711,473 | $131.6M |
| TD Asset Management Inc | 0.09% | Add +26.2% | 2,135,038 | $102.5M |
| Federated Hermes, Inc. | 0.21% | Add +0.1% | 1,947,100 | $94.5M |
| Neuberger Berman Group LLC | 0.06% | Reduce -0.5% | 1,615,088 | $78.4M |
| State Street Corp. | 0.00% | Add +0.1% | 1,530,464 | $74.3M |
| Fuller & Thaler Asset Management, Inc. | 0.24% | Reduce -0.9% | 1,260,767 | $61.2M |
| Epoch Investment Partners, Inc. | 0.26% | Add +10.4% | 1,191,110 | $57.8M |
| Dimensional Fund Advisors LP | 0.01% | Add +2.1% | 1,093,302 | $53.1M |
| Geode Capital Management, LLC | 0.00% | Add +1.6% | 920,363 | $44.7M |
| Morgan Stanley | 0.00% | Add +11.1% | 677,626 | $32.9M |
| American Century Companies Inc. | 0.02% | Reduce -13.6% | 639,592 | $31.0M |
| Northern Trust Corp. | 0.00% | Add +3.4% | 583,362 | $28.3M |
| T. Rowe Price Associates Inc. | 0.00% | Reduce -2.6% | 568,894 | $27.6M |
| Marshall Wace, LLP | 0.04% | Add +150.3% | 568,494 | $27.6M |
| Boston Trust Walden Corp | 0.18% | New | 539,639 | $26.2M |
| Renaissance Technologies | 0.04% | Reduce -9.0% | 489,400 | $23.8M |
| Bessemer Group Inc. | 0.04% | Add +2.3% | 477,021 | $23.1M |
| Goldman Sachs Group Inc. | 0.00% | Add +192.6% | 449,389 | $21.8M |
| Mesirow Institutional Investment Management, Inc. | 1.53% | Add +17.1% | 413,949 | $20.1M |
| Granite Investment Partners, LLC | 0.84% | Add +2.1% | 405,718 | $19.7M |
| Charles Schwab Investment Management Inc. | 0.00% | Reduce -2.5% | 350,056 | $17.0M |
| Invesco Ltd. | 0.00% | Reduce -26.2% | 332,925 | $16.2M |
| Portolan Capital Management, LLC | 1.15% | Add +201.1% | 327,764 | $15.9M |
| Boone Capital Management LLC | 3.98% | Reduce -36.1% | 316,556 | $15.4M |
| Nordea Investment Management AB | 0.01% | Reduce -4.9% | 266,863 | $13.0M |
| Millennium Management | 0.01% | Reduce -64.8% | 259,650 | $12.6M |
| Bank of New York Mellon Corp | 0.00% | Reduce -12.5% | 253,751 | $12.3M |
| Hotchkis & Wiley Capital Management LLC | 0.04% | New | 222,620 | $10.8M |
| Victory Capital Management Inc. | 0.01% | Add +10.9% | 218,531 | $10.6M |
| Nuveen Asset Management, LLC | 0.00% | Reduce -31.0% | 207,972 | $10.1M |
| Principal Financial Group Inc. | 0.01% | Reduce -7.4% | 202,017 | $9.8M |
| Silvercrest Asset Management Group LLC | 0.06% | Reduce -0.7% | 168,472 | $8.2M |
| Assenagon Asset Management S.A. | 0.02% | Reduce -11.7% | 167,355 | $8.1M |
| Oberweis Asset Management Inc./ | 0.40% | Add +19.3% | 161,155 | $7.8M |
| Bank of America Corp. | 0.00% | Add +1.8% | 158,131 | $7.7M |
| Clark Capital Management Group, Inc. | 0.05% | Add +57.8% | 153,747 | $7.5M |
| Janus Henderson Group PLC | 0.00% | Reduce -5.9% | 147,045 | $7.1M |
| Ameriprise Financial Inc. | 0.00% | Add +16.7% | 144,598 | $7.0M |
| Citadel Advisors | 0.01% | Reduce -48.6% | 135,237 | $6.6M |
| Lam Group, Inc. | 4.49% | No change | 130,800 | $6.3M |
| Frontier Capital Management Co. LLC | 0.06% | Reduce -0.9% | 123,619 | $6.0M |
| Voloridge Investment Management, LLC | 0.02% | Reduce -38.7% | 123,445 | $6.0M |
| Qube Research & Technologies Ltd | 0.01% | Reduce -43.4% | 116,678 | $5.7M |
| Raymond James & Associates | 0.00% | Add +1.7% | 116,677 | $5.7M |
| Legal & General Group Plc | 0.00% | Reduce -1.4% | 104,323 | $5.1M |
| Weiss Asset Management LP | 0.18% | New | 102,358 | $5.0M |
| UBS Group AG | 0.00% | Reduce -17.6% | 101,032 | $4.9M |
| Moody Aldrich Partners LLC | 0.89% | Add +80.0% | 100,340 | $4.9M |
| Two Sigma Investments, LP | 0.01% | Add +2.5% | 98,798 | $4.8M |
| Two Sigma Advisers, LP | 0.01% | Reduce -7.3% | 98,300 | $4.8M |
| BNP Paribas Financial Markets | 0.00% | Add +59.6% | 94,466 | $4.6M |
| Mutual of America Capital Management LLC | 0.05% | Reduce -1.5% | 92,357 | $4.5M |
| Trexquant Investment LP | 0.05% | Reduce -15.6% | 89,280 | $4.3M |
| Rhumbline Advisers | 0.00% | Reduce -4.9% | 86,114 | $4.2M |
| Connor, Clark & Lunn Investment Management Ltd. | 0.02% | Reduce -19.6% | 83,673 | $4.1M |
| PDT Partners, LLC | 0.35% | Add +736.8% | 81,184 | $3.9M |
| Public Sector Pension Investment Board | 0.02% | Reduce -3.9% | 80,587 | $3.9M |
| LSV Asset Management | 0.01% | No change | 80,400 | $3.9M |
| Danske Bank A/S | 0.01% | New | 80,080 | $3.9M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Reduce -10.9% | 76,445 | $3.7M |
| Swiss National Bank | 0.00% | Reduce -0.8% | 76,400 | $3.7M |
| Brandywine Global Investment Management, LLC | 0.02% | Add +1.3% | 75,053 | $3.7M |
| Barclays PLC | 0.00% | Add +53.3% | 74,456 | $3.6M |
| JPMorgan Chase & Co. | 0.00% | Add +3.3% | 73,920 | $3.6M |
| Bridge City Capital, LLC | 0.95% | Add +45.2% | 71,079 | $3.4M |
| New York State Common Retirement Fund | 0.00% | Add +7.3% | 70,490 | $3.4M |
| Renaissance Group LLC | 0.14% | Add +7.5% | 69,876 | $3.4M |
| Algert Global LLC | 0.09% | New | 66,285 | $3.2M |
| Jane Street Group, LLC | 0.01% | Reduce -34.2% | 63,614 | $3.1M |
| State of Wisconsin Investment Board | 0.01% | Add +89.3% | 59,231 | $2.9M |
| Citigroup Inc. | 0.00% | Add +65.2% | 57,812 | $2.8M |
| Aurora Investment Counsel | 1.44% | Add +0.4% | 54,698 | $2.7M |
| Alliancebernstein L.P. | 0.00% | Reduce -0.1% | 49,741 | $2.4M |
| Assetmark, Inc. | 0.01% | Add +9.1% | 43,906 | $2.1M |
| Wells Fargo & Company | 0.00% | Reduce -40.5% | 42,688 | $2.1M |
| AQR Capital Management | 0.00% | Reduce -25.3% | 41,667 | $2.0M |
| Sei Investments Co. | 0.00% | Add +55.3% | 41,228 | $2.0M |
| Martingale Asset Management L P | 0.04% | Add +2.5% | 40,265 | $2.0M |
| Prudential Financial Inc. | 0.00% | Reduce -5.1% | 39,324 | $1.9M |
| Point72 Asset Management | 0.01% | Reduce -83.5% | 38,817 | $1.9M |
| Glenmede Trust Co. NA | 0.01% | Add +145.3% | 37,884 | $1.8M |
| California State Teachers Retirement System | 0.00% | Reduce -3.0% | 36,964 | $1.8M |
| CANADA LIFE ASSURANCE Co | 0.00% | Reduce -24.8% | 36,947 | $1.8M |
| Taika Capital, LP | 1.34% | New | 36,775 | $1.8M |
| Gotham Asset Management | 0.02% | Add +29.1% | 35,738 | $1.7M |
| Osaic Holdings, Inc. | 0.00% | Add +70.8% | 35,463 | $1.7M |
| SG Americas Securities, LLC | 0.01% | New | 35,234 | $1.7M |
| Envestnet Asset Management Inc. | 0.00% | Add +36.7% | 34,666 | $1.7M |
| FMR LLC | 0.00% | Add +23.7% | 34,335 | $1.7M |
| AlphaCentric Advisors LLC | 1.08% | Add +20.0% | 30,000 | $1.5M |
| Thrivent Financial for Lutherans | 0.00% | Reduce -5.8% | 29,815 | $1.4M |
| Chase Investment Counsel Corp. | 0.47% | New | 29,000 | $1.4M |
| Franklin Resources Inc. | 0.00% | Reduce -0.6% | 28,465 | $1.4M |
| Chatham Capital Group, Inc. | 0.22% | New | 27,690 | $1.3M |
| Arkadios Wealth Advisors | 0.07% | Add +3.2% | 26,585 | $1.3M |
| Royal Bank of Canada | 0.00% | Reduce -20.1% | 26,514 | $1.3M |
| Engineers Gate Manager LP | 0.03% | Reduce -25.9% | 26,450 | $1.3M |
| Advisor OS, LLC | 0.13% | Add +0.1% | 26,033 | $1.3M |
| Allspring Global Investments Holdings, LLC | 0.00% | Reduce -40.7% | 24,263 | $1.2M |
| WINTON GROUP Ltd | 0.08% | Add +7.6% | 23,915 | $1.2M |
| New York State Teachers Retirement System | 0.00% | Reduce -14.7% | 23,866 | $1.2M |
| D. E. Shaw & Co. | 0.00% | New | 23,659 | $1.1M |
| Deutsche Bank AG | 0.00% | Add +28.1% | 23,243 | $1.1M |
| MetLife Investment Management, LLC | 0.01% | No change | 22,607 | $1.1M |
| Corebridge Financial, Inc. | 0.01% | Reduce -1.1% | 22,062 | $1.1M |
| Manufacturers Life Insurance Company, The | 0.00% | Reduce -1.7% | 21,867 | $1.1M |
| State of Alaska, Department of Revenue | 0.01% | Reduce -3.3% | 21,667 | $1.1M |
| Redwood Investments, LLC | 0.31% | Reduce -19.7% | 21,486 | $1.0M |
| Illinois Municipal Retirement Fund | 0.01% | Add +0.5% | 21,390 | $1.0M |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Add +8.0% | 21,084 | $1.0M |
| DekaBank Deutsche Girozentrale | 0.00% | No change | 20,848 | $989K |
| State of Tennessee, Department of Treasury | 0.00% | Add +1.2% | 19,850 | $963K |
| Wellington Management Group LLP | 0.00% | New | 19,723 | $957K |
| Segall Bryant & Hamill, LLC | 0.01% | New | 18,968 | $921K |
| LPL Financial LLC | 0.00% | Add +179.3% | 18,856 | $915K |
| Shaker Investments LLC | 0.37% | Reduce -0.1% | 18,536 | $900K |
| Legato Capital Management LLC | 0.11% | Add +24.6% | 18,461 | $896K |
| Louisiana State Employees Retirement System | 0.02% | Reduce -4.2% | 18,400 | $893K |
| First Trust Advisors LP | 0.00% | Add +85.7% | 18,029 | $875K |
| Voya Investment Management LLC | 0.00% | Reduce -70.8% | 17,207 | $835K |
| Handelsbanken Fonder AB | 0.00% | No change | 16,900 | $820K |
| Los Angeles Capital Management LLC | 0.00% | New | 16,169 | $785K |
| Cubist Systematic Strategies, LLC | 0.01% | Reduce -70.7% | 16,132 | $783K |
| Corient Private Wealth LP | 0.00% | Add +0.1% | 15,347 | $745K |
| Susquehanna International Group, LLP | 0.00% | Reduce -16.4% | 14,783 | $717K |
| Invst, LLC | 0.08% | Add +23.6% | 14,390 | $698K |
| XTX Topco Ltd | 0.05% | New | 13,891 | $674K |
| Advisory Research Inc. | 0.12% | Reduce -3.2% | 13,810 | $670K |
| Intech Investment Management LLC | 0.01% | Add +21.9% | 12,989 | $630K |
| Comerica Bank | 0.00% | Reduce -3.6% | 12,906 | $626K |
| Maryland State Retirement & Pension System | 0.01% | Reduce -3.6% | 12,821 | $622K |
| Cambridge Investment Research Advisors, Inc. | 0.00% | Add +0.4% | 11,915 | $578K |
| Yousif Capital Management, LLC | 0.01% | Reduce -3.5% | 11,756 | $571K |
| Teachers Retirement System of the State of Kentucky | 0.00% | No change | 11,691 | $567K |
| Amalgamated Bank | 0.00% | Reduce -1.8% | 11,276 | $547K |
| Arizona State Retirement System | 0.00% | Add +2.9% | 11,265 | $547K |
| State Board of Administration of Florida Retirement System | 0.00% | No change | 10,913 | $530K |
| ProShare Advisors LLC | 0.00% | Add +23.2% | 10,894 | $529K |
| Guidance Capital, Inc. | 0.17% | Add +6.3% | 10,388 | $528K |
| Juncture Wealth Strategies, LLC | 0.20% | Reduce -5.1% | 10,652 | $517K |
| Pathstone Holdings, LLC | 0.00% | Add +35.8% | 10,121 | $491K |
| Cim, LLC | 0.07% | Reduce -0.6% | 9,952 | $483K |
| Teacher Retirement System of Texas | 0.00% | Add +14.3% | 9,812 | $476K |
| Schonfeld Strategic Advisors LLC | 0.00% | Reduce -18.2% | 9,607 | $466K |
| Sanctuary Advisors, LLC | 0.00% | Add +8.5% | 10,240 | $466K |
| Raymond James Financial Services Advisors, Inc. | 0.00% | Reduce -8.4% | 9,517 | $462K |
| Vestcor Inc | 0.01% | No change | 9,383 | $455K |
| China Universal Asset Management Co., Ltd. | 0.05% | Add +63.0% | 9,362 | $454K |
| Sterling Capital Management LLC | 0.01% | — | 9,319 | $452K |
| EntryPoint Capital, LLC | 0.26% | Add +57.9% | 9,310 | $452K |
| Royce & Associates LP | 0.00% | No change | 9,076 | $440K |
| Oregon Public Employees Retirement Fund | 0.01% | Reduce -3.3% | 8,942 | $434K |
| Cornerstone Investment Partners, LLC | 0.02% | Add +3.2% | 8,725 | $423K |
| Commonwealth of Pennsylvania Public School Empls Retrmt SYS | 0.00% | Reduce -1.3% | 8,115 | $394K |
| Hennion & Walsh Asset Management, Inc. | 0.02% | Reduce -0.7% | 8,032 | $390K |
| Profund Advisors LLC | 0.01% | Reduce -6.3% | 7,956 | $386K |
| Bank of Montreal | 0.00% | Add +2.6% | 7,854 | $377K |
| AlphaQuest LLC | 0.03% | Add +74.4% | 7,586 | $368K |
| Cynosure Group, LLC | 0.05% | Reduce -19.9% | 7,426 | $360K |
| Alps Advisors Inc. | 0.00% | Reduce -6.3% | 7,395 | $359K |
| Lazard Asset Management LLC | 0.00% | Reduce -1.0% | 7,401 | $358K |
| US Bancorp \de | 0.00% | Reduce -48.7% | 7,368 | $358K |
| HSBC Holdings PLC | 0.00% | Add +8.4% | 7,284 | $355K |
| Sherbrooke Park Advisers LLC | 0.08% | Reduce -52.9% | 7,140 | $347K |
| Hohimer Wealth Management, LLC | 0.07% | New | 6,994 | $339K |
| ExodusPoint Capital Management, LP | 0.00% | Reduce -86.4% | 6,961 | $338K |
| Allianz Asset Management GmbH | 0.00% | Add +24.1% | 6,700 | $325K |
| Trek Financial, LLC | 0.02% | New | 6,617 | $321K |
| Praxis Investment Management Inc. | 0.02% | No change | 6,470 | $314K |
| Centiva Capital, LP | 0.01% | Reduce -72.6% | 6,465 | $314K |
| Amundi | 0.00% | Add +11.0% | 6,684 | $309K |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 0.00% | No change | 6,244 | $303K |
| Gsa Capital Partners LLP | 0.02% | New | 6,249 | $303K |
| Tudor Investment Corporation | 0.00% | Reduce -68.5% | 6,115 | $297K |
| Virtus Investment Advisers, LLC | 0.24% | No change | 6,109 | $296K |
| Squarepoint Ops LLC | 0.00% | Reduce -93.7% | 5,735 | $278K |
| Truist Financial Corp. | 0.00% | Reduce -60.5% | 5,725 | $278K |
| Rafferty Asset Management, LLC | 0.00% | Reduce -0.8% | 5,714 | $277K |
| Commonwealth Equity Services, LLC | 0.00% | Reduce -44.5% | 5,651 | $274K |
| First Hawaiian Bank | 0.01% | No change | 5,519 | $268K |
| Court Place Advisors, LLC | 0.08% | No change | 5,500 | $267K |
| Cornercap Investment Counsel Inc. | 0.08% | New | 5,421 | $263K |
| Alan B Lancz & Associates, Inc. | 0.24% | No change | 5,400 | $262K |
| Public Employees Retirement Association of Colorado | 0.00% | No change | 5,265 | $256K |
| Cetera Investment Advisers | 0.00% | New | 5,237 | $254K |
| Verition Fund Management LLC | 0.00% | Reduce -20.7% | 5,162 | $251K |
| Pictet Asset Management Holding SA | 0.00% | No change | 5,116 | $248K |
| Hancock Whitney Corp. | 0.01% | Reduce -11.0% | 5,109 | $248K |
| Oakworth Capital, Inc. | 0.02% | No change | 5,023 | $244K |
| Petrus Trust Company, LTA | 0.02% | Reduce -29.0% | 5,013 | $243K |
| Orion Porfolio Solutions, LLC | 0.00% | New | 4,919 | $239K |
| Orion Portfolio Solutions, LLC | 0.00% | New | 4,919 | $239K |
| Two Sigma Securities, LLC | 0.02% | New | 4,916 | $239K |
| Shell Asset Management Co. | 0.01% | — | 4,850 | $235K |
| Dynamic Technology Lab Private Ltd | 0.02% | Reduce -70.6% | 4,682 | $227K |
| Mendota Financial Group, LLC | 0.10% | Add +0.1% | 4,507 | $219K |
| Xponance LLC | 0.00% | New | 4,497 | $218K |
| Cresset Asset Management, LLC | 0.00% | New | 4,363 | $212K |
| Retirement Guys Formula LLC | 0.09% | New | 4,185 | $203K |
| Dakota Wealth Management | 0.00% | New | 4,164 | $202K |
| Point72 (DIFC) Ltd | 0.01% | Add +85.9% | 3,954 | $192K |
| Ameritas Investment Partners, Inc. | 0.01% | Reduce -5.6% | 3,762 | $183K |
| EMC Capital Management | 0.10% | No change | 3,113 | $151K |
| Russell Investments Group, Ltd. | 0.00% | No change | 3,014 | $146K |
| nVerses Capital, LLC | 0.06% | Add +18.2% | 2,600 | $126K |
| Pacer Advisors, Inc. | 0.00% | Add +179.7% | 2,593 | $126K |
| 1620 Investment Advisors, Inc. | 0.09% | Add +2.1% | 2,367 | $115K |
| PNC Financial Services Group, Inc. | 0.00% | Add +2.7% | 2,211 | $107K |
| Mirae Asset Global Investments Co., Ltd. | 0.00% | Add +20.6% | 1,761 | $85K |
| TD Private Client Wealth LLC | 0.00% | Add +2.3% | 1,711 | $83K |
| Asset Management One Co., Ltd. | 0.00% | New | 1,609 | $78K |
| KBC Group NV | 0.00% | No change | 1,509 | $73K |
| Allworth Financial LP | 0.00% | No change | 1,426 | $69K |
| Blue Trust, Inc. | 0.00% | Reduce -7.4% | 1,485 | $59K |
| Globeflex Capital L P | 0.01% | Add +2272.6% | 1,210 | $59K |
| Virtus Fund Advisers, LLC | 0.23% | No change | 1,178 | $57K |
| Point72 Asia (Singapore) Pte. Ltd. | 0.01% | Add +53.4% | 1,144 | $56K |
| Leonteq Securities AG | 0.01% | No change | 1,000 | $49K |
| Pinnacle Financial Partners Inc | 0.00% | No change | 1,000 | $49K |
| Cwm, LLC | 0.00% | Add +3.3% | 996 | $48K |
| Huntington National Bank | 0.00% | Add +10.1% | 979 | $48K |
| Principal Securities, Inc. | 0.00% | Add +32.3% | 967 | $47K |
| Concourse Financial Group Securities, Inc. | 0.00% | Add +2.0% | 959 | $47K |
| Advisors Asset Management, Inc. | 0.00% | Reduce -5.7% | 873 | $42K |
| Catalyst Funds Management Pty Ltd | 0.01% | New | 800 | $39K |
| Tower Research Capital LLC (TRC) | 0.00% | Reduce -90.6% | 797 | $39K |
| Quadrant Capital Group LLC | 0.00% | Reduce -6.7% | 740 | $36K |
| Nisa Investment Advisors, LLC | 0.00% | Reduce -37.6% | 720 | $35K |
| Acadian Asset Management LLC | 0.00% | New | 718 | $34K |
| GAMMA Investing LLC | 0.00% | Add +70.0% | 663 | $32K |
| Fifth Third Bancorp | 0.00% | Add +3.8% | 633 | $31K |
| CIBC Private Wealth Group LLC | 0.00% | Add +75.9% | 577 | $28K |
| International Assets Investment Management, LLC | 0.00% | New | 470 | $23K |
| Nvwm, LLC | 0.01% | Add +4.4% | 426 | $21K |
| Steward Partners Investment Advisory, LLC | 0.00% | Reduce -38.5% | 400 | $19K |
| Signaturefd, LLC | 0.00% | No change | 352 | $17K |
| Covestor Ltd | 0.01% | Add +9.7% | 294 | $14K |
| Harbour Investments, Inc. | 0.00% | No change | 270 | $13K |
| Versant Capital Management, Inc | 0.00% | No change | 268 | $13K |
| Silicon Valley Capital Partners | 0.00% | No change | 229 | $11K |
| Smartleaf Asset Management LLC | 0.00% | Add +122.0% | 222 | $11K |
| Public Employees Retirement System of Ohio | 0.00% | Add +55.0% | 203 | $10K |
| Spire Wealth Management | 0.00% | No change | 202 | $10K |
| Richardson Financial Services Inc. | 0.01% | No change | 243 | $10K |
| Northwestern Mutual Wealth Management Co. | 0.00% | New | 200 | $10K |
| Truvestments Capital LLC | 0.00% | New | 198 | $10K |
| Daiwa Securities Group Inc. | 0.00% | Add +20.1% | 185 | $9K |
| Global Retirement Partners, LLC | 0.00% | Reduce -11.5% | 170 | $8K |
| City State Bank | 0.00% | No change | 150 | $7K |
| Farther Finance Advisors, LLC | 0.00% | Reduce -1.4% | 143 | $7K |
| Jones Financial Companies LLLP | 0.00% | Add +220.0% | 128 | $6K |
| Parkside Financial Bank & Trust | 0.00% | No change | 108 | $5K |
| Clearstead Advisors, LLC | 0.00% | No change | 108 | $5K |
| Capital Advisors, Ltd. LLC | 0.00% | No change | 99 | $5K |
| UMB Bank, n.a. | 0.00% | Add +134.1% | 103 | $5K |
| MassMutual Private Wealth & Trust, FSB | 0.00% | No change | 97 | $5K |
| Eagle Bay Advisors LLC | 0.00% | Reduce -10.5% | 94 | $5K |
| LGT Financial Advisors LLC | 0.01% | No change | 83 | $4K |
| Spectrum Wealth Counsel, LLC | 0.00% | New | 70 | $3K |
| Rise Advisors, LLC | 0.00% | Add +40.0% | 70 | $3K |
| Lindbrook Capital, LLC | 0.00% | Add +18.5% | 64 | $3K |
| Elequin Capital, LP | 0.01% | New | 60 | $3K |
| CoreCap Advisors, LLC | 0.00% | No change | 59 | $3K |
| Bell Investment Advisors, Inc | 0.00% | Add +37.0% | 37 | $2K |
| Rothschild Investment LLC | 0.00% | Add +133.3% | 35 | $2K |
| Carolinas Wealth Consulting LLC | 0.00% | No change | 33 | $2K |
| Farmers & Merchants Investments Inc. | 0.00% | No change | 28 | $1K |
| Picton Mahoney Asset Management | 0.00% | New | 24 | $1K |
| Fourpath Capital Management, LLC | 0.00% | New | 20 | $971 |
| Kayne Anderson Rudnick Investment Management LLC | 0.00% | No change | 15 | $728 |
| Voisard Asset Management Group, Inc. | 0.00% | New | 14 | $680 |
| Earned Wealth Advisors, LLC | 0.00% | New | 11 | $534 |
| Parallel Advisors, LLC | 0.00% | No change | 11 | $534 |
| Legacy Investment Solutions, LLC | 0.00% | — | 10 | $455 |
| Legacy Wealth Managment, LLC | 0.00% | — | 10 | $455 |
| Abound Wealth Management | 0.00% | Reduce -33.3% | 4 | $195 |
| JFS Wealth Advisors, LLC | 0.00% | No change | 3 | $146 |
| SJS Investment Consulting Inc. | 0.00% | No change | 1 | $49 |
"% of holder's portfolio" is AMPH's weight in each manager's 13F, not the share of Amphastar Pharmaceuticals Inc. the manager owns.