Amphastar PharmaceuticalsAMPH
13F holders, Q1 2024 (March 31)270holders
6famous investors
$43.90avg. 13F price*
At the end of Q1 2024, 270 institutions reported holding Amphastar Pharmaceuticals Inc. (AMPH) in their 13F filings. The largest holders were BlackRock Inc. ($266.9M), Vanguard Group Inc. ($120.1M) and Federated Hermes, Inc. ($91.2M). 6 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 Joel Greenblatt (0.0% of Gotham Asset 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
| Institutions | Total Value | |
|---|---|---|
| New Positions | 45 | $43.1M |
| Exits | 54 | $44.3M |
Ownership 270 holders
| BlackRock Inc. | 0.01% | Add +0.7% | 6,079,042 | $266.9M |
| Vanguard Group Inc. | 0.00% | Reduce -2.9% | 2,734,040 | $120.1M |
| Federated Hermes, Inc. | 0.21% | Reduce -36.5% | 2,077,101 | $91.2M |
| Neuberger Berman Group LLC | 0.06% | Reduce -2.0% | 1,659,817 | $72.9M |
| State Street Corp. | 0.00% | Add +2.9% | 1,514,249 | $66.5M |
| Fuller & Thaler Asset Management, Inc. | 0.24% | Add +0.1% | 1,274,178 | $55.9M |
| Dimensional Fund Advisors LP | 0.01% | Reduce -11.6% | 1,183,830 | $52.0M |
| TD Asset Management Inc | 0.04% | Add +27.4% | 1,010,593 | $44.4M |
| Geode Capital Management, LLC | 0.00% | Add +2.3% | 866,032 | $38.0M |
| Epoch Investment Partners, Inc. | 0.16% | Add +34.8% | 798,462 | $35.1M |
| American Century Companies Inc. | 0.02% | Add +83.2% | 618,644 | $27.2M |
| Boone Capital Management LLC | 5.39% | Add +51.7% | 606,688 | $26.6M |
| Renaissance Technologies | 0.04% | Reduce -6.7% | 599,100 | $26.3M |
| T. Rowe Price Associates Inc. | 0.00% | Reduce -0.4% | 584,544 | $25.7M |
| Northern Trust Corp. | 0.00% | Reduce -2.5% | 560,782 | $24.6M |
| Morgan Stanley | 0.00% | Reduce -2.1% | 559,039 | $24.5M |
| Oberweis Asset Management Inc./ | 1.33% | Add +22.8% | 417,865 | $18.3M |
| Invesco Ltd. | 0.00% | Add +0.5% | 403,040 | $17.7M |
| Millennium Management | 0.02% | Add +95.2% | 400,095 | $17.6M |
| Bessemer Group Inc. | 0.03% | Add +21.5% | 395,941 | $17.4M |
| Charles Schwab Investment Management Inc. | 0.00% | Reduce -6.1% | 356,405 | $15.6M |
| Granite Investment Partners, LLC | 0.59% | Reduce -3.4% | 352,770 | $15.5M |
| Mesirow Institutional Investment Management, Inc. | 1.37% | Add +38.5% | 350,294 | $15.4M |
| Nordea Investment Management AB | 0.02% | Add +0.4% | 333,014 | $14.8M |
| Bank of New York Mellon Corp | 0.00% | Reduce -6.0% | 294,483 | $12.9M |
| Point72 Asset Management | 0.03% | New | 262,400 | $11.5M |
| LSV Asset Management | 0.02% | Reduce -29.2% | 224,768 | $9.9M |
| Voloridge Investment Management, LLC | 0.04% | Reduce -3.0% | 221,800 | $9.7M |
| Principal Financial Group Inc. | 0.01% | Add +7.7% | 218,574 | $9.6M |
| Victory Capital Management Inc. | 0.01% | Reduce -10.4% | 212,686 | $9.3M |
| Goldman Sachs Group Inc. | 0.00% | Add +79.9% | 199,636 | $8.8M |
| Jacobs Levy Equity Management, Inc. | 0.04% | Reduce -6.5% | 194,985 | $8.6M |
| Nuveen Asset Management, LLC | 0.00% | Reduce -1.2% | 187,491 | $8.2M |
| Janus Henderson Group PLC | 0.00% | Reduce -3.6% | 159,198 | $7.0M |
| Assenagon Asset Management S.A. | 0.02% | New | 154,299 | $6.8M |
| JPMorgan Chase & Co. | 0.00% | Add +89.2% | 140,454 | $6.2M |
| Ameriprise Financial Inc. | 0.00% | Reduce -3.3% | 134,629 | $5.9M |
| Lam Group, Inc. | 4.68% | No change | 130,800 | $5.7M |
| Frontier Capital Management Co. LLC | 0.05% | Reduce -1.2% | 125,963 | $5.5M |
| Two Sigma Advisers, LP | 0.01% | Reduce -1.2% | 125,900 | $5.5M |
| Qube Research & Technologies Ltd | 0.01% | Add +127.1% | 125,835 | $5.5M |
| Bank of America Corp. | 0.00% | Reduce -41.8% | 125,379 | $5.5M |
| Twinbeech Capital LP | 0.11% | New | 117,069 | $5.1M |
| Silvercrest Asset Management Group LLC | 0.03% | Add +35.1% | 112,428 | $4.9M |
| Legal & General Group Plc | 0.00% | Add +0.2% | 107,327 | $4.7M |
| Raymond James & Associates | 0.00% | Add +5.9% | 98,145 | $4.3M |
| Mutual of America Capital Management LLC | 0.05% | Add +11.3% | 97,683 | $4.3M |
| Two Sigma Investments, LP | 0.01% | Add +131.7% | 96,804 | $4.3M |
| Portolan Capital Management, LLC | 0.30% | Reduce -38.7% | 91,005 | $4.0M |
| Rhumbline Advisers | 0.00% | Reduce -4.8% | 89,193 | $3.9M |
| Connor, Clark & Lunn Investment Management Ltd. | 0.02% | Add +115.1% | 88,552 | $3.9M |
| Squarepoint Ops LLC | 0.01% | Reduce -1.7% | 82,051 | $3.6M |
| UBS Group AG | 0.00% | Add +13.2% | 80,452 | $3.5M |
| Voya Investment Management LLC | 0.00% | Reduce -21.9% | 79,644 | $3.5M |
| State of Wisconsin Investment Board | 0.01% | Add +82.0% | 77,828 | $3.4M |
| Trexquant Investment LP | 0.07% | Add +99.5% | 77,725 | $3.4M |
| Public Sector Pension Investment Board | 0.02% | Reduce -1.2% | 76,593 | $3.4M |
| Swiss National Bank | 0.00% | Reduce -1.9% | 75,600 | $3.3M |
| Moody Aldrich Partners LLC | 0.56% | Add +19.6% | 75,478 | $3.3M |
| Ellsworth Advisors, LLC | 0.92% | New | 81,165 | $3.2M |
| Barclays PLC | 0.00% | Add +12.0% | 70,832 | $3.1M |
| Citadel Advisors | 0.00% | Reduce -41.7% | 67,697 | $3.0M |
| First Trust Advisors LP | 0.00% | Add +43.0% | 67,086 | $2.9M |
| Allspring Global Investments Holdings, LLC | 0.00% | Add +61.9% | 64,564 | $2.8M |
| Hussman Strategic Advisors, Inc. | 0.64% | New | 63,000 | $2.8M |
| BNP Paribas Financial Markets | 0.00% | Reduce -37.4% | 61,233 | $2.7M |
| Renaissance Group LLC | 0.10% | Add +22.7% | 59,402 | $2.6M |
| Wells Fargo & Company | 0.00% | Add +56.1% | 57,241 | $2.5M |
| AQR Capital Management | 0.00% | Add +347.7% | 57,054 | $2.5M |
| Cubist Systematic Strategies, LLC | 0.03% | Add +19.4% | 55,172 | $2.4M |
| ExodusPoint Capital Management, LP | 0.03% | Add +343.5% | 54,531 | $2.4M |
| New York State Common Retirement Fund | 0.00% | Add +0.6% | 53,989 | $2.4M |
| Credit Suisse AG/ | 0.00% | No change | 51,312 | $2.3M |
| State of New Jersey Common Pension Fund D | 0.01% | Add +10.1% | 50,610 | $2.2M |
| Shaker Investments LLC | 0.91% | Add +0.2% | 49,190 | $2.2M |
| Alliancebernstein L.P. | 0.00% | Reduce -38.6% | 47,240 | $2.1M |
| Osaic Holdings, Inc. | 0.00% | Add +260.6% | 44,602 | $2.0M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Reduce -3.2% | 43,836 | $1.9M |
| Prudential Financial Inc. | 0.00% | Reduce -2.4% | 41,984 | $1.8M |
| Clark Capital Management Group, Inc. | 0.01% | Reduce -35.6% | 40,064 | $1.8M |
| CANADA LIFE ASSURANCE Co | 0.00% | Add +29.3% | 39,930 | $1.8M |
| Hillsdale Investment Management Inc. | 0.14% | Reduce -59.2% | 39,279 | $1.7M |
| Martingale Asset Management L P | 0.03% | No change | 39,273 | $1.7M |
| Jane Street Group, LLC | 0.00% | Reduce -25.2% | 38,860 | $1.7M |
| Buck Wealth Strategies, LLC | 0.58% | New | 38,318 | $1.7M |
| California State Teachers Retirement System | 0.00% | Reduce -7.0% | 38,269 | $1.7M |
| Assetmark, Inc. | 0.01% | Reduce -0.0% | 35,777 | $1.6M |
| Citigroup Inc. | 0.00% | Add +12.9% | 34,948 | $1.5M |
| Bridge City Capital, LLC | 0.56% | Add +0.8% | 34,773 | $1.5M |
| Navellier & Associates Inc. | 0.19% | Add +347.7% | 34,591 | $1.5M |
| Redwood Investments, LLC | 0.44% | New | 35,056 | $1.5M |
| Russell Investments Group, Ltd. | 0.00% | Reduce -46.1% | 34,321 | $1.5M |
| Texas Permanent School Fund Corp. | 0.01% | Add +1.3% | 32,704 | $1.4M |
| Thrivent Financial for Lutherans | 0.00% | Reduce -2.6% | 32,417 | $1.4M |
| New York State Teachers Retirement System | 0.00% | Add +12.8% | 30,855 | $1.4M |
| Sei Investments Co. | 0.00% | Reduce -17.8% | 30,630 | $1.3M |
| AXA S.A. | 0.00% | Reduce -7.8% | 29,678 | $1.3M |
| Gotham Asset Management | 0.02% | Add +154.9% | 28,881 | $1.3M |
| Advisor OS, LLC | 0.14% | New | 26,939 | $1.2M |
| Franklin Resources Inc. | 0.00% | Reduce -3.4% | 25,670 | $1.1M |
| Engineers Gate Manager LP | 0.03% | Add +130.2% | 25,445 | $1.1M |
| Envestnet Asset Management Inc. | 0.00% | Add +3.1% | 23,797 | $1.0M |
| State of Alaska, Department of Revenue | 0.01% | Reduce -1.0% | 22,764 | $999K |
| Arrowstreet Capital, Limited Partnership | 0.00% | New | 22,539 | $990K |
| D.A. Davidson & Co. | 0.01% | Reduce -18.7% | 21,651 | $951K |
| Susquehanna International Group, LLP | 0.00% | Reduce -21.2% | 21,408 | $940K |
| Illinois Municipal Retirement Fund | 0.01% | Reduce -1.1% | 21,365 | $938K |
| Manufacturers Life Insurance Company, The | 0.00% | Add +8.3% | 21,292 | $935K |
| FMR LLC | 0.00% | Add +7.6% | 20,886 | $917K |
| Deutsche Bank AG | 0.00% | Reduce -32.3% | 20,775 | $912K |
| WINTON GROUP Ltd | 0.06% | Add +155.1% | 20,581 | $904K |
| American International Group, Inc. | 0.00% | Reduce -2.6% | 20,347 | $893K |
| DekaBank Deutsche Girozentrale | 0.00% | No change | 20,848 | $892K |
| Caitlin John, LLC | 0.67% | Add +38.6% | 20,022 | $879K |
| State of Tennessee, Department of Treasury | 0.00% | Reduce -4.0% | 19,614 | $861K |
| MetLife Investment Management, LLC | 0.01% | Reduce -4.6% | 19,517 | $857K |
| HRT Financial LP | 0.01% | New | 18,608 | $817K |
| Louisiana State Employees Retirement System | 0.02% | Reduce -1.1% | 18,500 | $812K |
| Dynamic Technology Lab Private Ltd | 0.08% | New | 17,689 | $777K |
| Los Angeles Capital Management LLC | 0.00% | No change | 17,428 | $765K |
| STRS Ohio | 0.00% | Add +6.9% | 17,100 | $750K |
| US Bancorp \de | 0.00% | Reduce -19.7% | 17,056 | $749K |
| Glenmede Trust Co. NA | 0.00% | Reduce -6.0% | 17,036 | $748K |
| Versor Investments LP | 0.15% | New | 16,700 | $733K |
| Capital Impact Advisors, LLC | 0.94% | Add +7.3% | 16,425 | $721K |
| Shariaportfolio, Inc. | 0.41% | Add +18.0% | 16,019 | $703K |
| Concurrent Investment Advisors, LLC | 0.03% | New | 15,778 | $693K |
| Mirae Asset Global Investments Co., Ltd. | 0.00% | Reduce -2.8% | 17,920 | $688K |
| Comerica Bank | 0.00% | Reduce -7.0% | 15,591 | $685K |
| Corient Private Wealth LP | 0.00% | Reduce -0.0% | 15,398 | $676K |
| Truist Financial Corp. | 0.00% | Reduce -2.6% | 15,380 | $675K |
| Nations Financial Group Inc, /Ia/ | 0.06% | Add +2.8% | 14,923 | $655K |
| Annex Advisory Services, LLC | 0.02% | Add +6.6% | 14,777 | $649K |
| Handelsbanken Fonder AB | 0.00% | No change | 14,100 | $619K |
| Campbell & CO Investment Adviser LLC | 0.05% | New | 13,792 | $606K |
| Yousif Capital Management, LLC | 0.01% | Reduce -17.8% | 13,707 | $602K |
| Advisory Research Inc. | 0.12% | Reduce -6.0% | 13,329 | $585K |
| Maryland State Retirement & Pension System | 0.01% | No change | 13,581 | $549K |
| BI Asset Management Fondsmaeglerselskab A/S | 0.01% | Add +62.9% | 12,455 | $547K |
| Royal Bank of Canada | 0.00% | Reduce -78.4% | 12,139 | $532K |
| Teachers Retirement System of the State of Kentucky | 0.00% | No change | 11,691 | $514K |
| Amalgamated Bank | 0.00% | Reduce -28.9% | 11,618 | $510K |
| Juncture Wealth Strategies, LLC | 0.22% | Reduce -38.5% | 11,560 | $508K |
| Crossmark Global Holdings, Inc. | 0.01% | Reduce -1.7% | 11,025 | $484K |
| ProShare Advisors LLC | 0.00% | Add +6.9% | 10,973 | $482K |
| Quantbot Technologies LP | 0.03% | New | 10,948 | $481K |
| Point72 (DIFC) Ltd | 0.04% | — | 10,533 | $463K |
| Arizona State Retirement System | 0.00% | Reduce -3.6% | 10,533 | $463K |
| Legato Capital Management LLC | 0.06% | Reduce -30.9% | 10,507 | $461K |
| Commonwealth Equity Services, LLC | 0.00% | Add +105.7% | 10,207 | $448K |
| Oregon Public Employees Retirement Fund | 0.01% | Reduce -8.2% | 10,042 | $441K |
| Sherbrooke Park Advisers LLC | 0.08% | New | 9,724 | $427K |
| Vestcor Inc | 0.01% | Reduce -29.0% | 9,383 | $412K |
| Cim, LLC | 0.06% | Add +0.8% | 9,315 | $409K |
| China Universal Asset Management Co., Ltd. | 0.05% | Add +66.8% | 9,246 | $406K |
| Cornerstone Investment Partners, LLC | 0.02% | No change | 9,145 | $402K |
| Stephens Inc. | 0.01% | New | 9,139 | $401K |
| Lazard Asset Management LLC | 0.00% | Reduce -2.0% | 9,017 | $395K |
| Raymond James Financial Services Advisors, Inc. | 0.00% | New | 8,884 | $390K |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 0.00% | Reduce -17.8% | 8,867 | $389K |
| Profund Advisors LLC | 0.01% | Add +25.6% | 8,658 | $380K |
| Teacher Retirement System of Texas | 0.00% | Reduce -5.5% | 8,529 | $375K |
| Hennion & Walsh Asset Management, Inc. | 0.02% | Reduce -26.9% | 8,234 | $362K |
| Commonwealth of Pennsylvania Public School Empls Retrmt SYS | 0.00% | Add +0.1% | 8,070 | $354K |
| Alps Advisors Inc. | 0.00% | Add +27.6% | 7,928 | $348K |
| Guidance Capital, Inc. | 0.13% | Add +12.6% | 8,417 | $343K |
| Bank of Montreal | 0.00% | Add +2.7% | 7,646 | $340K |
| Fox Run Management, L.L.C. | 0.07% | New | 7,689 | $338K |
| HSBC Holdings PLC | 0.00% | New | 7,429 | $326K |
| Cynosure Group, LLC | 0.06% | New | 7,254 | $319K |
| Petrus Trust Company, LTA | 0.03% | Add +24.2% | 7,061 | $310K |
| UniSuper Management Pty Ltd | 0.00% | New | 6,731 | $296K |
| PNC Financial Services Group, Inc. | 0.00% | Add +195.5% | 6,642 | $292K |
| Mackenzie Financial Corp. | 0.00% | Add +14.5% | 6,592 | $289K |
| Baird Financial Group, Inc. | 0.00% | Reduce -57.7% | 6,567 | $288K |
| Praxis Investment Management Inc. | 0.02% | No change | 6,470 | $284K |
| Graham Capital Management, L.P. | 0.01% | New | 6,339 | $278K |
| Schonfeld Strategic Advisors LLC | 0.00% | New | 6,229 | $274K |
| Virtus Investment Advisers, LLC | 0.20% | No change | 6,109 | $268K |
| Hancock Whitney Corp. | 0.01% | Add +58.4% | 6,107 | $268K |
| Public Employees Retirement Association of Colorado | 0.00% | Reduce -5.6% | 6,049 | $266K |
| Amundi | 0.00% | Add +35.4% | 6,879 | $266K |
| First Hawaiian Bank | 0.01% | No change | 5,864 | $257K |
| Invst, LLC | 0.03% | New | 5,781 | $251K |
| Pathstone Holdings, LLC | 0.00% | Reduce -1.3% | 5,607 | $246K |
| Corton Capital Inc. | 0.09% | Reduce -5.6% | 5,586 | $245K |
| Brevan Howard Capital Management LP | 0.02% | New | 5,514 | $242K |
| Stratos Wealth Partners, LTD. | 0.00% | Reduce -20.7% | 5,492 | $241K |
| Rafferty Asset Management, LLC | 0.00% | Add +49.3% | 5,417 | $238K |
| Perigon Wealth Management, LLC | 0.01% | Reduce -56.9% | 5,215 | $229K |
| Pictet Asset Management Holding SA | 0.00% | No change | 5,116 | $225K |
| Vontobel Holding Ltd. | 0.00% | New | 4,826 | $212K |
| State Board of Administration of Florida Retirement System | 0.00% | Reduce -48.7% | 5,623 | $211K |
| Shell Asset Management Co. | 0.01% | Reduce -9.1% | 5,128 | $205K |
| Guggenheim Capital LLC | 0.00% | Add +3.0% | 4,611 | $202K |
| Point72 Asia (Singapore) Pte. Ltd. | 0.05% | Add +907.2% | 4,502 | $198K |
| Ameritas Investment Partners, Inc. | 0.01% | No change | 3,987 | $175K |
| EntryPoint Capital, LLC | 0.14% | Add +382.2% | 3,607 | $158K |
| EMC Capital Management | 0.08% | New | 3,113 | $137K |
| Point72 Hong Kong Ltd | 0.01% | New | 2,400 | $105K |
| Globeflex Capital L P | 0.01% | No change | 2,356 | $103K |
| Mark Sheptoff Financial Planning, LLC | 0.05% | Reduce -67.9% | 2,250 | $99K |
| Metropolitan Life Insurance Co | 0.00% | Reduce -4.0% | 2,110 | $93K |
| Catalyst Funds Management Pty Ltd | 0.02% | — | 1,700 | $75K |
| TD Private Client Wealth LLC | 0.00% | Add +33.1% | 1,656 | $73K |
| nVerses Capital, LLC | 0.17% | New | 1,600 | $70K |
| State of Wyoming | 0.01% | Add +81.8% | 1,487 | $65K |
| Allworth Financial LP | 0.00% | Reduce -3.0% | 1,426 | $63K |
| Blue Trust, Inc. | 0.00% | Add +20.4% | 1,295 | $57K |
| Leonteq Securities AG | 0.01% | Add +20.0% | 1,200 | $53K |
| Tower Research Capital LLC (TRC) | 0.00% | Reduce -89.7% | 1,181 | $52K |
| Nisa Investment Advisors, LLC | 0.00% | Reduce -52.5% | 1,153 | $51K |
| Virtus Fund Advisers, LLC | 0.17% | Add +11.1% | 1,090 | $48K |
| Pinnacle Financial Partners Inc | 0.00% | No change | 1,000 | $44K |
| KBC Group NV | 0.00% | No change | 971 | $43K |
| Advisors Asset Management, Inc. | 0.00% | Add +10.3% | 930 | $41K |
| Concourse Financial Group Securities, Inc. | 0.00% | Add +6.2% | 892 | $39K |
| Huntington National Bank | 0.00% | Add +9.5% | 833 | $37K |
| Quadrant Capital Group LLC | 0.00% | Reduce -21.7% | 803 | $35K |
| Pacer Advisors, Inc. | 0.00% | Reduce -18.4% | 792 | $35K |
| Cwm, LLC | 0.00% | Add +61.8% | 746 | $33K |
| ADAR1 Capital Management, LLC | 0.01% | New | 700 | $31K |
| Gladius Capital Management LP | 0.03% | New | 648 | $28K |
| Fifth Third Bancorp | 0.00% | Add +1.5% | 608 | $27K |
| Whittier Trust Co. | 0.00% | New | 387 | $17K |
| Signaturefd, LLC | 0.00% | Reduce -2.1% | 367 | $16K |
| Nvwm, LLC | 0.00% | Reduce -2.5% | 354 | $16K |
| CIBC Private Wealth Group LLC | 0.00% | New | 299 | $13K |
| Principal Securities, Inc. | 0.00% | Reduce -46.7% | 292 | $13K |
| GAMMA Investing LLC | 0.00% | Add +17.8% | 285 | $13K |
| Harbour Investments, Inc. | 0.00% | No change | 270 | $12K |
| Versant Capital Management, Inc | 0.00% | No change | 268 | $12K |
| Steward Partners Investment Advisory, LLC | 0.00% | No change | 250 | $11K |
| Contravisory Investment Management, Inc. | 0.00% | No change | 238 | $10K |
| Silicon Valley Capital Partners | 0.00% | No change | 229 | $10K |
| Covestor Ltd | 0.01% | Add +21.3% | 199 | $9K |
| Daiwa Securities Group Inc. | 0.00% | No change | 194 | $9K |
| Trivant Custom Portfolio Group, LLC | 0.01% | No change | 200 | $9K |
| City State Bank | 0.00% | New | 150 | $7K |
| Lanark Financial, Inc. | 0.00% | New | 165 | $7K |
| Kelly Financial Services LLC | 0.00% | No change | 150 | $7K |
| First Horizon Advisors, Inc. | 0.00% | Reduce -14.2% | 139 | $6K |
| LGT Financial Advisors LLC | 0.01% | No change | 133 | $6K |
| Elequin Capital, LP | 0.00% | New | 110 | $5K |
| Parkside Financial Bank & Trust | 0.00% | No change | 108 | $5K |
| Richardson Financial Services Inc. | 0.00% | Reduce -37.4% | 107 | $5K |
| Eagle Bay Advisors LLC | 0.00% | New | 105 | $5K |
| MassMutual Private Wealth & Trust, FSB | 0.00% | No change | 97 | $4K |
| Farther Finance Advisors, LLC | 0.00% | No change | 98 | $4K |
| Clearstead Advisors, LLC | 0.00% | Reduce -16.0% | 100 | $4K |
| Capital Advisors, Ltd. LLC | 0.00% | No change | 90 | $4K |
| Crewe Advisors LLC | 0.00% | No change | 71 | $3K |
| Lindbrook Capital, LLC | 0.00% | Reduce -33.7% | 63 | $3K |
| Public Employees Retirement System of Ohio | 0.00% | New | 55 | $2K |
| Rise Advisors, LLC | 0.00% | New | 50 | $2K |
| Global Retirement Partners, LLC | 0.00% | Reduce -51.0% | 47 | $2K |
| Private Wealth Management Group, LLC | 0.00% | No change | 40 | $2K |
| Carolinas Wealth Consulting LLC | 0.00% | No change | 33 | $1K |
| Farmers & Merchants Investments Inc. | 0.00% | No change | 28 | $1K |
| Parallel Advisors, LLC | 0.00% | Reduce -79.0% | 20 | $878 |
| UMB Bank, n.a. | 0.00% | New | 16 | $703 |
| Bell Investment Advisors, Inc | 0.00% | No change | 15 | $659 |
| Financial Synergies Wealth Advisors, Inc. | 0.00% | No change | 15 | $659 |
| Kayne Anderson Rudnick Investment Management LLC | 0.00% | New | 15 | $659 |
| JFS Wealth Advisors, LLC | 0.00% | Reduce -8.3% | 11 | $484 |
| Avior Wealth Management, LLC | 0.00% | Reduce -91.3% | 7 | $307 |
| Abound Wealth Management | 0.00% | New | 6 | $264 |
| Rothschild Investment LLC | 0.00% | New | 5 | $220 |
| SJS Investment Consulting Inc. | 0.00% | Reduce -60.0% | 2 | $88 |
| AlphaQuest LLC | 0.00% | New | 1 | $44 |
"% of holder's portfolio" is AMPH's weight in each manager's 13F, not the share of Amphastar Pharmaceuticals Inc. the manager owns.