ALT · Company research
Altimmune, Inc. (ALT): Ownership & Institutional Holders
Reported institutional positions. Filing dates and sources matter.
RESEARCH CONTEXT
Understand the numbers
Reported institutional positions. Filing dates and sources matter. Use period, currency, units and source fields when interpreting values.
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Ownership & Institutional Holders data
Database-backed records only
| holder name | cik | period end | shares held | market value | ownership percent | shares change | shares change percent | filing date | data source |
|---|---|---|---|---|---|---|---|---|---|
| Parallel Advisors, LLC | 1690010 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 40 | 122 | — | — | — | Aug 5, 2026 | SEC_13F_DATASET |
| Summit Financial Wealth Advisors, LLC | 1632283 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 103288 | 313996 | — | — | — | Jul 15, 2026 | SEC_13F_DATASET |
| Allworth Financial LP | 1555170 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 6892 | 20952 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| Bare Financial Services, Inc | 2009426 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 196 | 596 | — | — | — | Jul 27, 2026 | SEC_13F_DATASET |
| EverSource Wealth Advisors, LLC | 1710537 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 17683 | 53756 | — | — | — | Jul 24, 2026 | SEC_13F_DATASET |
| Rafferty Asset Management, LLC | 1389426 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 225060 | 684182 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| BELLEVUE ASSET MANAGEMENT, LLC | 1801619 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 2433 | 7396 | — | — | — | Aug 4, 2026 | SEC_13F_DATASET |
| Cormorant Asset Management, LP | 1583977 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1250000 | 3800000 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Susquehanna Portfolio Strategies, LLC | 1996449 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 103374 | 314257 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| RENAISSANCE TECHNOLOGIES LLC | 1037389 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 71600 | 217664 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 8177752 | 24860366 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| Jain Global LLC | 2024579 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 18947 | 57599 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 2100121 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 7330265 | 22284006 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| MORGAN STANLEY | 895421 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 270385 | 821970 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| Mariner, LLC | 1373442 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 101123 | 307407 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| Pacer Advisors, Inc. | 1616667 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 3759 | 11 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| Jefferies Financial Group Inc. | 96223 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 110000 | 334400 | — | — | — | Aug 17, 2026 | SEC_13F_DATASET |
| Schonfeld Strategic Advisors LLC | 1665241 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 35077 | 106633 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Trails Edge Capital Partners, LP | 2077247 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 2660000 | 8086400 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| SMITH, MOORE & CO. | 200724 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 13205 | 40143 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| HUNTINGTON NATIONAL BANK | 49205 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 2 | 6 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| Vanguard Personalized Indexing Management, LLC | 1767306 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 15978 | 48573 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| CITIGROUP INC | 831001 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 282071 | 857496 | — | — | — | Aug 3, 2026 | SEC_13F_DATASET |
| Tower Research Capital LLC (TRC) | 1533421 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 7477 | 22730 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| TWO SIGMA INVESTMENTS, LP | 1179392 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 2381142 | 7238672 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| HSBC HOLDINGS PLC | 873630 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 64460 | 199504 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| D. E. Shaw & Co., Inc. | 1009207 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 111936 | 340285 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| BRIGHTON JONES LLC | 1360798 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 12596 | 38291 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| NewEdge Advisors, LLC | 1633516 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1888 | 5740 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| Bank of New York Mellon Corp | 1390777 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 394131 | 1198158 | — | — | — | Aug 6, 2026 | SEC_13F_DATASET |
| Nuveen, LLC | 1871926 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 2256200 | 6858848 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| TANG CAPITAL MANAGEMENT LLC | 1232621 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 666022 | 2024707 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Wealth Enhancement Trust Services, Inc. | 2067696 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 306 | 930 | — | — | — | Jul 22, 2026 | SEC_13F_DATASET |
| VOYA INVESTMENT MANAGEMENT LLC | 1068837 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 39783 | 120940 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| Ghisallo Capital Management LLC | 1825214 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 750000 | 2280000 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| XPONANCE LLC | 1637541 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 18917 | 57508 | — | — | — | Aug 10, 2026 | SEC_13F_DATASET |
| ALPS ADVISORS INC | 1376113 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 197374 | 600017 | — | — | — | Jul 29, 2026 | SEC_13F_DATASET |
| NISA INVESTMENT ADVISORS, LLC | 937615 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 895 | 2721 | — | — | — | Aug 10, 2026 | SEC_13F_DATASET |
| Bernard Wealth Management Corp. | 2056313 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 15 | 46 | — | — | — | Aug 21, 2026 | SEC_13F_DATASET |
| Centiva Capital, LP | 1692507 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 17938 | 54532 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| MML INVESTORS SERVICES, LLC | 701059 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 34550 | 105032 | — | — | — | Aug 7, 2026 | SEC_13F_DATASET |
| DEUTSCHE BANK AG\ | 948046 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 194090 | 590034 | — | — | — | Aug 7, 2026 | SEC_13F_DATASET |
| Arax Advisory Partners | 1586767 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 11350 | 34505 | — | — | — | Aug 10, 2026 | SEC_13F_DATASET |
| Clearstead Advisors, LLC | 842775 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 328 | 998 | — | — | — | Aug 6, 2026 | SEC_13F_DATASET |
| ROTHSCHILD INVESTMENT LLC | 85338 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 551 | 1675 | — | — | — | Aug 6, 2026 | SEC_13F_DATASET |
| DIMENSIONAL FUND ADVISORS LP | 354204 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 588678 | 1789581 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| Creative Planning | 1540235 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 214388 | 651739 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| Graham Capital Management, L.P. | 1315421 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 44940 | 136618 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Xcelsior Advisor Partners LLC | 2110679 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 13000 | 39520 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| NEUBERGER BERMAN GROUP LLC | 1465109 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 18481 | 56182 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| Abel Hall, LLC | 2013339 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 11527 | 35042 | — | — | — | Jul 24, 2026 | SEC_13F_DATASET |
| Beirne Wealth Consulting Services, LLC | 1697303 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 421858 | 1282449 | — | — | — | Jul 15, 2026 | SEC_13F_DATASET |
| WEALTH EFFECTS LLC | 1907254 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 122650 | 372856 | — | — | — | Aug 6, 2026 | SEC_13F_DATASET |
| Police & Firemen's Retirement System of New Jersey | 2040686 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 58625 | 178220 | — | — | — | Jul 23, 2026 | SEC_13F_DATASET |
| SBI Securities Co., Ltd. | 1851815 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 8062 | 24508 | — | — | — | Jul 23, 2026 | SEC_13F_DATASET |
| GOLDMAN SACHS GROUP INC | 886982 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1879472 | 5713595 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| E Fund Management Co., Ltd. | 1842296 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 31734 | 96471 | — | — | — | Aug 11, 2026 | SEC_13F_DATASET |
| AXQ CAPITAL, LP | 1916908 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 56810 | 172702 | — | — | — | Aug 6, 2026 | SEC_13F_DATASET |
| SJS Investment Consulting Inc. | 1894302 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 234 | 712 | — | — | — | Jul 22, 2026 | SEC_13F_DATASET |
| WINTON GROUP Ltd | 1612063 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 16100 | 48944 | — | — | — | Aug 7, 2026 | SEC_13F_DATASET |
| Kovack Advisors, Inc. | 1728321 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 36000 | 109440 | — | — | — | Jul 29, 2026 | SEC_13F_DATASET |
| ADAR1 Capital Management, LLC | 1940272 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 102823 | 312582 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| EFG International AG | 2109868 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 16500 | 50160 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| DCF Advisers, LLC | 1802493 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 37000 | 112480 | — | — | — | Aug 10, 2026 | SEC_13F_DATASET |
| CANADA PENSION PLAN INVESTMENT BOARD | 1283718 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 87300 | 265392 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| BROWN WEALTH MANAGEMENT, LLC | 1987005 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 236136 | 717853 | — | — | — | Jul 20, 2026 | SEC_13F_DATASET |
| OSAIC HOLDINGS, INC. | 1677044 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 18390 | 55905 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| MARTINGALE ASSET MANAGEMENT L P | 936944 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 12855 | 39080 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| UBS Group AG | 1610520 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 512929 | 1559304 | — | — | — | Aug 13, 2026 | SEC_13F_DATASET |
| VICTORY CAPITAL MANAGEMENT INC | 1040188 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 21218 | 64503 | — | — | — | Aug 7, 2026 | SEC_13F_DATASET |
| Engineers Gate Manager LP | 1620220 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 38037 | 115632 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| LPL Financial LLC | 1403438 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 121952 | 370734 | — | — | — | Aug 7, 2026 | SEC_13F_DATASET |
| Farther Finance Advisors, LLC | 1992825 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1044 | 3159 | — | — | — | Jul 17, 2026 | SEC_13F_DATASET |
| Sterling Capital Management LLC | 1329883 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 4006 | 12178 | — | — | — | Jul 28, 2026 | SEC_13F_DATASET |
| SUMMIT SECURITIES GROUP LLC | 1531593 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 1507 | 4581 | — | — | — | Aug 3, 2026 | SEC_13F_DATASET |
| Baird Financial Group, Inc. | 1648711 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 237522 | 722067 | — | — | — | Aug 12, 2026 | SEC_13F_DATASET |
| IMC-Chicago, LLC | 1452861 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 394000 | 1197760 | — | — | — | Aug 6, 2026 | SEC_13F_DATASET |
| TWO SIGMA SECURITIES, LLC | 1450144 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 25435 | 77322 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
| Sequoia Financial Advisors, LLC | 1599900 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 32285 | 98147 | — | — | — | Jul 17, 2026 | SEC_13F_DATASET |
| MILLENNIUM MANAGEMENT LLC | 1273087 | Tue Jun 30 2026 00:00:00 GMT+0000 (Coordinated Universal Time) | 3309122 | 10059731 | — | — | — | Aug 14, 2026 | SEC_13F_DATASET |
Informational research only, not financial advice. Forecasts are uncertain and can be wrong.