AltimmuneALT
13F holders, Q4 2024 (December 31)At the end of Q4 2024, 182 institutions reported holding Altimmune Inc. (ALT) in their 13F filings, up 13 from Q3 2024. 26 opened new positions and 23 sold out. The largest holders were BlackRock, Inc. ($44.4M), Ameriprise Financial Inc. ($37.9M) and Vanguard Group Inc. ($32.0M). 4 famous investors held it, including Ken Griffin (0.0% of Citadel Advisors's portfolio), David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio) and Israel Englander (0.0% of Millennium Management's portfolio).
- Company
- Altimmune Inc.
- CUSIP
- 02155H200
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q3 2024 → Q4 2024
| Institutions | Total Value | |
|---|---|---|
| New Positions | 26 | $3.7M |
| Exits | 23 | $8.2M |
All 13F filers, Q3 2024 → Q4 2024: 4,981,607 shares bought and 4,206,161 shares sold, net +775,446 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 182 holders
| BlackRock, Inc. | 0.00% | Add +12.7% | 6,159,305 | $44.4M |
| Ameriprise Financial Inc. | 0.01% | Add +35.6% | 5,254,898 | $37.9M |
| Vanguard Group Inc. | 0.00% | Reduce -11.1% | 4,431,612 | $32.0M |
| State Street Corp. | 0.00% | Add +1.6% | 3,470,017 | $25.0M |
| Tang Capital Management LLC | 1.31% | No change | 2,750,000 | $19.8M |
| Geode Capital Management, LLC | 0.00% | Reduce -0.6% | 1,658,506 | $12.0M |
| Knoll Capital Management, LLC | 5.21% | No change | 1,121,524 | $8.1M |
| Bellevue Group AG | 0.13% | Add +9.5% | 945,446 | $6.8M |
| Morgan Stanley | 0.00% | Reduce -28.9% | 921,822 | $6.6M |
| UBS Group AG | 0.00% | Add +154.8% | 719,555 | $5.2M |
| Citadel Advisors | 0.00% | Add +57.9% | 675,044 | $4.9M |
| Northern Trust Corp. | 0.00% | Add +5.7% | 665,916 | $4.8M |
| Dimensional Fund Advisors LP | 0.00% | Reduce -2.0% | 633,441 | $4.6M |
| Two Sigma Investments, LP | 0.01% | Add +33.2% | 605,303 | $4.4M |
| Goldman Sachs Group Inc. | 0.00% | Reduce -43.6% | 526,170 | $3.8M |
| Susquehanna International Group, LLP | 0.01% | Reduce -46.0% | 500,919 | $3.6M |
| D. E. Shaw & Co. | 0.00% | Reduce -39.3% | 459,833 | $3.3M |
| Ensign Peak Advisors, Inc | 0.01% | Add +39.2% | 454,981 | $3.3M |
| Schroder Investment Management Group | 0.00% | Reduce -9.6% | 428,321 | $3.1M |
| Millennium Management | 0.00% | Add +231.9% | 345,637 | $2.5M |
| IMC-Chicago, LLC | 0.06% | Reduce -9.3% | 303,532 | $2.2M |
| Beirne Wealth Consulting Services, LLC | 0.77% | Reduce -2.8% | 294,458 | $2.1M |
| Gerber, LLC | 1.48% | No change | 281,778 | $2.0M |
| Jane Street Group, LLC | 0.00% | Reduce -27.2% | 278,650 | $2.0M |
| Group One Trading LLC | 0.07% | Add +126.8% | 278,535 | $2.0M |
| Invesco Ltd. | 0.00% | Add +679.2% | 247,086 | $1.8M |
| Nuveen Asset Management, LLC | 0.00% | Reduce -7.5% | 216,926 | $1.6M |
| Wells Fargo & Company | 0.00% | Add +69.3% | 215,538 | $1.6M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +0.1% | 211,879 | $1.5M |
| Hennion & Walsh Asset Management, Inc. | 0.07% | Add +18.1% | 205,590 | $1.5M |
| Wellington Management Group LLP | 0.00% | Add +4.1% | 205,233 | $1.5M |
| Balyasny Asset Management L.P. | 0.00% | Add +9.1% | 196,327 | $1.4M |
| Bank of New York Mellon Corp | 0.00% | Reduce -0.9% | 186,838 | $1.3M |
| Bank of America Corp. | 0.00% | Add +21.7% | 181,889 | $1.3M |
| Simplex Trading, LLC | 0.04% | Add +36.0% | 181,172 | $1.3M |
| Exchange Traded Concepts, LLC | 0.02% | Reduce -26.4% | 159,573 | $1.2M |
| Rafferty Asset Management, LLC | 0.00% | Add +1.3% | 157,750 | $1.1M |
| Barclays PLC | 0.00% | Add +1.1% | 157,528 | $1.1M |
| Swiss National Bank | 0.00% | No change | 139,500 | $1.0M |
| Citigroup Inc. | 0.00% | Add +140.6% | 124,690 | $899K |
| Focus Partners Wealth | 0.00% | New | 122,539 | $884K |
| MML Investors Services, LLC | 0.00% | Add +217.5% | 109,375 | $789K |
| Rhumbline Advisers | 0.00% | Reduce -4.0% | 104,876 | $756K |
| Silvercrest Asset Management Group LLC | 0.01% | No change | 103,500 | $746K |
| JPMorgan Chase & Co. | 0.00% | Add +2.0% | 102,940 | $742K |
| Macquarie Group Ltd. | 0.00% | No change | 100,000 | $721K |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Add +16.6% | 92,392 | $666K |
| Summit Financial Wealth Advisors, LLC | 0.13% | Add +116.7% | 99,488 | $641K |
| Virtu Financial LLC | 0.03% | Reduce -20.9% | 86,831 | $626K |
| Commonwealth Equity Services, LLC | 0.00% | Reduce -3.4% | 86,094 | $621K |
| Gsa Capital Partners LLP | 0.04% | Reduce -75.6% | 82,957 | $598K |
| Deutsche Bank AG | 0.00% | Add +37.7% | 76,825 | $554K |
| Alliancebernstein L.P. | 0.00% | No change | 71,760 | $517K |
| Legal & General Group Plc | 0.00% | Reduce -0.7% | 68,102 | $491K |
| California State Teachers Retirement System | 0.00% | Reduce -0.8% | 66,422 | $479K |
| Two Sigma Advisers, LP | 0.00% | Reduce -25.7% | 65,700 | $474K |
| Marshall Wace, LLP | 0.00% | New | 65,517 | $472K |
| Skandinaviska Enskilda Banken AB (publ) | 0.00% | No change | 62,002 | $454K |
| PEAK6 LLC | 0.02% | — | 61,948 | $447K |
| Baird Financial Group, Inc. | 0.00% | New | 59,440 | $429K |
| LPL Financial LLC | 0.00% | Add +15.2% | 58,173 | $419K |
| FMR LLC | 0.00% | Add +11.1% | 56,739 | $409K |
| Royal Bank of Canada | 0.00% | Add +52.3% | 56,528 | $407K |
| Brown Wealth Management, LLC | 0.13% | Reduce -0.5% | 50,000 | $361K |
| State of Wisconsin Investment Board | 0.00% | Reduce -33.6% | 48,607 | $350K |
| SG Americas Securities, LLC | 0.00% | Add +36.7% | 47,060 | $339K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Add +3.4% | 46,660 | $337K |
| Intech Investment Management LLC | 0.00% | Add +36.7% | 46,123 | $333K |
| American Century Companies Inc. | 0.00% | Add +35.8% | 44,742 | $323K |
| MetLife Investment Management, LLC | 0.00% | Add +7.0% | 44,474 | $321K |
| Creative Planning | 0.00% | Add +101.0% | 36,998 | $267K |
| Corebridge Financial, Inc. | 0.00% | Reduce -7.0% | 35,312 | $255K |
| Wealth Effects LLC | 0.08% | Reduce -6.3% | 32,850 | $237K |
| Janus Henderson Group PLC | 0.00% | No change | 32,000 | $231K |
| Los Angeles Capital Management LLC | 0.00% | Reduce -53.1% | 31,197 | $225K |
| Kraematon Investment Advisors, Inc. | 0.22% | New | 30,785 | $222K |
| Profund Advisors LLC | 0.01% | Reduce -1.3% | 30,550 | $220K |
| North Star Investment Management Corp. | 0.02% | Add +112.8% | 30,000 | $216K |
| T. Rowe Price Associates Inc. | 0.00% | Add +17.3% | 28,146 | $203K |
| Steward Partners Investment Advisory, LLC | 0.00% | Add +38.9% | 28,050 | $202K |
| Farallon Capital Management, L.L.C. | 0.00% | No change | 27,600 | $199K |
| OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC) | 0.01% | Add +22.0% | 26,899 | $194K |
| Tower Research Capital LLC (TRC) | 0.00% | Reduce -4.5% | 25,743 | $186K |
| Manufacturers Life Insurance Company, The | 0.00% | Reduce -2.5% | 25,660 | $185K |
| Farringdon Capital, Ltd. | 0.08% | — | 25,295 | $182K |
| NewEdge Advisors, LLC | 0.00% | Add +2.4% | 25,125 | $181K |
| Marex Group Ltd | 0.00% | Reduce -50.0% | 25,000 | $180K |
| Jefferies Financial Group Inc. | 0.00% | Add +25.0% | 25,000 | $180K |
| OneDigital Investment Advisors LLC | 0.00% | New | 24,477 | $176K |
| B. Riley Wealth Advisors, Inc. | 0.01% | Add +4.3% | 24,454 | $176K |
| Caitong International Asset Management Co., Ltd | 0.17% | — | 24,336 | $175K |
| ProShare Advisors LLC | 0.00% | Add +74.1% | 23,371 | $169K |
| Walleye Capital LLC | 0.00% | New | 22,224 | $160K |
| New York State Common Retirement Fund | 0.00% | No change | 21,447 | $155K |
| Voya Investment Management LLC | 0.00% | Reduce -9.0% | 21,242 | $153K |
| Teacher Retirement System of Texas | 0.00% | Add +19.3% | 21,205 | $153K |
| Osaic Holdings, Inc. | 0.00% | Add +39.3% | 21,048 | $152K |
| Arizona State Retirement System | 0.00% | Add +0.7% | 20,558 | $148K |
| Debussy Capital Management LP | 0.02% | No change | 20,000 | $140K |
| Integrated Wealth Concepts LLC | 0.00% | Reduce -4.9% | 19,019 | $137K |
"% of holder's portfolio" is ALT's weight in each manager's 13F, not the share of Altimmune Inc. the manager owns.