Altimmune, Inc.
ALT- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001326190
In the last 90 days, Altimmune, Inc. insiders filed 1 open-market purchase and 0 sales; 210 institutions reported holding it in 13F filings for Q2 2026, worth $456.1M in total; Viking Global Investors is the only superinvestor holding it.
13F holders, Q4 2024
Institutional positions in Altimmune, Inc. as of Dec 31, 2024. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 183
- +16 vs. Q3 2024
- Shares held
- 40.5M
- +1.02M (+2.6%) vs. Q3 2024
- Total value
- $292.3M
- +$49.5M (+20.4%) vs. Q3 2024
- New holders
- 38
- 66 more added
- Sold out
- 22
- 44 more reduced
2 institutions that held it in Q3 2024 haven't filed for Q4 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2024: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting ALT on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 210 | $456.1M |
| Q1 2026 | 173 | $213.5M |
| Q4 2025 | 183 | $198.8M |
| Q3 2025 | 159 | $156.4M |
| Q2 2025 | 180 | $145.5M |
| Q1 2025 | 177 | $191.2M |
| Q4 2024 | 183 | $292.3M |
| Q3 2024 | 169 | $243.0M |
| Q2 2024 | 173 | $282.1M |
| Q1 2024 | 171 | $452.2M |
| Q4 2023 | 143 | $377.1M |
| Q3 2023 | 113 | $79.2M |
| Q2 2023 | 120 | $124.5M |
| Q1 2023 | 133 | $205.4M |
| Q4 2022 | 128 | $769.9M |
| Q3 2022 | 122 | $588.1M |
| Q2 2022 | 111 | $466.9M |
| Q1 2022 | 103 | $207.4M |
| Q4 2021 | 102 | $295.8M |
| Q3 2021 | 119 | $375.3M |
| Q2 2021 | 109 | $269.2M |
| Q1 2021 | 98 | $336.5M |
Institutions, Q4 2024
Shares, value and share of portfolio for each institution holding Altimmune, Inc.; share changes are against Q3 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 6,159,305 | $44.4M | 0.00% | +693,211+12.7% | Added |
| Ameriprise Financial Inc | 5,254,898 | $37.9M | 0.01% | +1,378,854+35.6% | Added |
| Vanguard Group Inc | 4,431,612 | $32.0M | 0.00% | −552,246−11.1% | Reduced |
| State Street Corp | 3,470,017 | $25.0M | 0.00% | +56,190+1.6% | Added |
| Tang Capital Management LLC | 2,750,000 | $19.8M | 1.31% | 00.0% | Unchanged |
| Geode Capital Management, LLC | 1,658,506 | $12.0M | 0.00% | −9,498−0.6% | Reduced |
| Knoll Capital Management, LLC | 1,121,524 | $8.09M | 5.21% | 00.0% | Unchanged |
| Bellevue Group AG | 945,446 | $6.82M | 0.13% | +81,786+9.5% | Added |
| Morgan Stanley | 921,822 | $6.65M | 0.00% | −373,763−28.8% | Reduced |
| UBS Group AG | 719,555 | $5.19M | 0.00% | +437,100+154.8% | Added |
| Citadel Advisors LLC | 675,044 | $4.87M | 0.00% | +247,457+57.9% | Added |
| Northern Trust Corp | 665,916 | $4.80M | 0.00% | +35,918+5.7% | Added |
| Dimensional Fund Advisors LP | 633,441 | $4.57M | 0.00% | −12,936−2.0% | Reduced |
| Two Sigma Investments, LP | 605,303 | $4.36M | 0.01% | +151,001+33.2% | Added |
| Goldman Sachs Group Inc | 526,170 | $3.79M | 0.00% | −406,655−43.6% | Reduced |
| Susquehanna International Group, LLP | 500,919 | $3.61M | 0.01% | −426,043−46.0% | Reduced |
| D. E. Shaw & Co., Inc. | 459,833 | $3.32M | 0.00% | −298,171−39.3% | Reduced |
| Ensign Peak Advisors, Inc | 454,981 | $3.28M | 0.01% | +128,204+39.2% | Added |
| Schroder Investment Management Group | 428,321 | $3.14M | 0.00% | −45,544−9.6% | Reduced |
| Millennium Management LLC | 345,637 | $2.49M | 0.00% | +241,484+231.9% | Added |
| IMC-Chicago, LLC | 303,532 | $2.19M | 0.06% | −31,098−9.3% | Reduced |
| Beirne Wealth Consulting Services, LLC | 294,458 | $2.12M | 0.77% | −8,342−2.8% | Reduced |
| Gerber, LLC | 281,778 | $2.03M | 1.48% | 00.0% | Unchanged |
| Jane Street Group, LLC | 278,650 | $2.01M | 0.00% | −104,013−27.2% | Reduced |
| Group One Trading, L.P. | 278,535 | $2.01M | 0.07% | +155,737+126.8% | Added |
| Invesco Ltd. | 247,086 | $1.78M | 0.00% | +215,375+679.2% | Added |
| Nuveen Asset Management, LLC | 216,926 | $1.56M | 0.00% | −17,504−7.5% | Reduced |
| Wells Fargo & Company | 215,538 | $1.55M | 0.00% | +88,209+69.3% | Added |
| Charles Schwab Investment Management Inc | 211,879 | $1.53M | 0.00% | +253+0.1% | Added |
| Hennion & Walsh Asset Management, Inc. | 205,590 | $1.48M | 0.07% | +31,482+18.1% | Added |
| Wellington Management Group LLP | 205,233 | $1.48M | 0.00% | +8,001+4.1% | Added |
| Balyasny Asset Management LLC | 196,327 | $1.42M | 0.00% | +16,387+9.1% | Added |
| Bank of New York Mellon Corp | 186,838 | $1.35M | 0.00% | −1,777−0.9% | Reduced |
| Bank of America Corp | 181,889 | $1.31M | 0.00% | +32,382+21.7% | Added |
| Simplex Trading, LLC | 181,172 | $1.31M | 0.04% | +48,007+36.1% | Added |
| Exchange Traded Concepts, LLC | 159,573 | $1.15M | 0.02% | −57,188−26.4% | Reduced |
| Rafferty Asset Management, LLC | 157,750 | $1.14M | 0.00% | +1,964+1.3% | Added |
| Barclays PLC | 157,528 | $1.14M | 0.00% | +1,787+1.1% | Added |
| Swiss National Bank | 139,500 | $1.01M | 0.00% | 00.0% | Unchanged |
| Citigroup Inc | 124,690 | $899.0K | 0.00% | +72,875+140.6% | Added |
| Colony Group, LLC | 122,539 | $883.5K | 0.00% | +122,539 | New |
| MML Investors Services, LLC | 109,375 | $789.0K | 0.00% | +74,925+217.5% | Added |
| Rhumbline Advisers | 104,876 | $756.1K | 0.00% | −4,343−4.0% | Reduced |
| Silvercrest Asset Management Group LLC | 103,500 | $746.2K | 0.00% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 102,940 | $742.2K | 0.00% | +2,028+2.0% | Added |
| Macquarie Group Ltd | 100,000 | $721.0K | 0.00% | 00.0% | Unchanged |
| UBS Asset Management Americas Inc | 92,392 | $666.1K | 0.00% | +13,126+16.6% | Added |
| Summit Financial Wealth Advisors, LLC | 99,488 | $640.7K | 0.13% | +53,570+116.7% | Added |
| Virtu Financial LLC | 86,831 | $626.0K | 0.03% | −22,928−20.9% | Reduced |
| Commonwealth Equity Services, LLC | 86,094 | $621.0K | 0.00% | −3,026−3.4% | Reduced |
| Gsa Capital Partners LLP | 82,957 | $598.0K | 0.04% | −256,638−75.6% | Reduced |
| Deutsche Bank AG | 76,825 | $553.9K | 0.00% | +21,033+37.7% | Added |
| Alliancebernstein L.P. | 71,760 | $517.4K | 0.00% | 00.0% | Unchanged |
| DCF Advisers, LLC | 68,868 | $496.5K | 0.25% | +31,000+81.9% | Added |
| Legal & General Group Plc | 68,102 | $491.0K | 0.00% | −500−0.7% | Reduced |
| California State Teachers Retirement System | 66,422 | $478.9K | 0.00% | −542−0.8% | Reduced |
| Two Sigma Advisers, LP | 65,700 | $473.7K | 0.00% | −22,700−25.7% | Reduced |
| Marshall Wace, LLP | 65,517 | $472.4K | 0.00% | +65,517 | New |
| Skandinaviska Enskilda Banken AB (publ) | 62,002 | $453.9K | 0.00% | 00.0% | Unchanged |
| PEAK6 LLC | 61,948 | $446.6K | 0.02% | +61,948 | New |
| Baird Financial Group, Inc. | 59,440 | $428.6K | 0.00% | +59,440 | New |
| LPL Financial LLC | 58,173 | $419.4K | 0.00% | +7,693+15.2% | Added |
| FMR LLC | 56,739 | $409.1K | 0.00% | +5,679+11.1% | Added |
| Royal Bank of Canada | 56,528 | $407.0K | 0.00% | +19,409+52.3% | Added |
| Brown Wealth Management, LLC | 50,000 | $360.5K | 0.13% | −248−0.5% | Reduced |
| State of Wisconsin Investment Board | 48,607 | $350.5K | 0.00% | −24,579−33.6% | Reduced |
| SG Americas Securities, LLC | 47,060 | $339.0K | 0.00% | +12,624+36.7% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 46,660 | $337.1K | 0.00% | +1,540+3.4% | Added |
| Intech Investment Management LLC | 46,123 | $332.5K | 0.00% | +12,385+36.7% | Added |
| American Century Companies Inc | 44,742 | $322.6K | 0.00% | +11,788+35.8% | Added |
| MetLife Investment Management | 44,474 | $320.7K | 0.00% | +2,897+7.0% | Added |
| Creative Planning | 36,998 | $266.8K | 0.00% | +18,587+101.0% | Added |
| Corebridge Financial, Inc. | 35,312 | $254.6K | 0.00% | −2,665−7.0% | Reduced |
| Wealth Effects LLC | 32,850 | $236.8K | 0.08% | −2,200−6.3% | Reduced |
| Janus Henderson Group PLC | 32,000 | $230.9K | 0.00% | 00.0% | Unchanged |
| Los Angeles Capital Management LLC | 31,197 | $224.9K | 0.00% | −35,340−53.1% | Reduced |
| Kraematon Investment Advisors, Inc | 30,785 | $222.0K | 0.22% | +30,785 | New |
| Profund Advisors LLC | 30,550 | $220.3K | 0.01% | −404−1.3% | Reduced |
| North Star Investment Management Corp. | 30,000 | $216.3K | 0.02% | +15,900+112.8% | Added |
| Price T Rowe Associates Inc | 28,146 | $203.0K | 0.00% | +4,158+17.3% | Added |
| Steward Partners Investment Advisory, LLC | 28,050 | $202.2K | 0.00% | +7,850+38.9% | Added |
| Farallon Capital Management, L.L.C. | 27,600 | $199.0K | 0.00% | 00.0% | Unchanged |
| UBS Oconnor LLC | 26,899 | $193.9K | 0.00% | +4,851+22.0% | Added |
| Tower Research Capital LLC (TRC) | 25,743 | $185.6K | 0.00% | −1,217−4.5% | Reduced |
| Manufacturers Life Insurance Company, The | 25,660 | $185.0K | 0.00% | −668−2.5% | Reduced |
| Farringdon Capital, Ltd. | 25,295 | $182.4K | 0.08% | +25,295 | New |
| GWM Advisors LLC | 25,125 | $181.2K | 0.00% | +579+2.4% | Added |
| Marex Group plc | 25,000 | $180.3K | 0.00% | −25,000−50.0% | Reduced |
| Jefferies Financial Group Inc. | 25,000 | $180.3K | 0.00% | +5,000+25.0% | Added |
| Resources Investment Advisors, LLC. | 24,477 | $176.5K | 0.00% | +24,477 | New |
| National Asset Management, Inc. | 24,454 | $176.3K | 0.01% | +1,000+4.3% | Added |
| Caitong International Asset Management Co., Ltd | 24,336 | $175.5K | 0.17% | +24,336 | New |
| ProShare Advisors LLC | 23,371 | $168.5K | 0.00% | +9,950+74.1% | Added |
| Walleye Capital LLC | 22,224 | $160.2K | 0.00% | +22,224 | New |
| New York State Common Retirement Fund | 21,447 | $154.6K | 0.00% | 00.0% | Unchanged |
| Voya Investment Management LLC | 21,242 | $153.2K | 0.00% | −2,108−9.0% | Reduced |
| Teacher Retirement System of Texas | 21,205 | $153.0K | 0.00% | +3,423+19.2% | Added |
| Advisor Group Holdings, Inc. | 21,048 | $151.8K | 0.00% | +5,933+39.3% | Added |
| Arizona State Retirement System | 20,558 | $148.2K | 0.00% | +141+0.7% | Added |
| Vivaldi Capital Management, LLC | 20,000 | $140.0K | 0.02% | 00.0% | Unchanged |