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 |
|---|---|---|---|---|---|
| UBS Oconnor LLC | 26,899 | $193.9K | 0.00% | +4,851+22.0% | Added |
| Farallon Capital Management, L.L.C. | 27,600 | $199.0K | 0.00% | 00.0% | Unchanged |
| Steward Partners Investment Advisory, LLC | 28,050 | $202.2K | 0.00% | +7,850+38.9% | Added |
| Price T Rowe Associates Inc | 28,146 | $203.0K | 0.00% | +4,158+17.3% | Added |
| North Star Investment Management Corp. | 30,000 | $216.3K | 0.02% | +15,900+112.8% | Added |
| Profund Advisors LLC | 30,550 | $220.3K | 0.01% | −404−1.3% | Reduced |
| Kraematon Investment Advisors, Inc | 30,785 | $222.0K | 0.22% | +30,785 | New |
| Los Angeles Capital Management LLC | 31,197 | $224.9K | 0.00% | −35,340−53.1% | Reduced |
| Janus Henderson Group PLC | 32,000 | $230.9K | 0.00% | 00.0% | Unchanged |
| Wealth Effects LLC | 32,850 | $236.8K | 0.08% | −2,200−6.3% | Reduced |
| Corebridge Financial, Inc. | 35,312 | $254.6K | 0.00% | −2,665−7.0% | Reduced |
| Creative Planning | 36,998 | $266.8K | 0.00% | +18,587+101.0% | Added |
| MetLife Investment Management | 44,474 | $320.7K | 0.00% | +2,897+7.0% | Added |
| American Century Companies Inc | 44,742 | $322.6K | 0.00% | +11,788+35.8% | Added |
| Intech Investment Management LLC | 46,123 | $332.5K | 0.00% | +12,385+36.7% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 46,660 | $337.1K | 0.00% | +1,540+3.4% | Added |
| SG Americas Securities, LLC | 47,060 | $339.0K | 0.00% | +12,624+36.7% | Added |
| State of Wisconsin Investment Board | 48,607 | $350.5K | 0.00% | −24,579−33.6% | Reduced |
| Brown Wealth Management, LLC | 50,000 | $360.5K | 0.13% | −248−0.5% | Reduced |
| Royal Bank of Canada | 56,528 | $407.0K | 0.00% | +19,409+52.3% | Added |
| FMR LLC | 56,739 | $409.1K | 0.00% | +5,679+11.1% | Added |
| LPL Financial LLC | 58,173 | $419.4K | 0.00% | +7,693+15.2% | Added |
| Baird Financial Group, Inc. | 59,440 | $428.6K | 0.00% | +59,440 | New |
| PEAK6 LLC | 61,948 | $446.6K | 0.02% | +61,948 | New |
| Skandinaviska Enskilda Banken AB (publ) | 62,002 | $453.9K | 0.00% | 00.0% | Unchanged |
| Marshall Wace, LLP | 65,517 | $472.4K | 0.00% | +65,517 | New |
| Two Sigma Advisers, LP | 65,700 | $473.7K | 0.00% | −22,700−25.7% | Reduced |
| California State Teachers Retirement System | 66,422 | $478.9K | 0.00% | −542−0.8% | Reduced |
| Legal & General Group Plc | 68,102 | $491.0K | 0.00% | −500−0.7% | Reduced |
| DCF Advisers, LLC | 68,868 | $496.5K | 0.25% | +31,000+81.9% | Added |
| Alliancebernstein L.P. | 71,760 | $517.4K | 0.00% | 00.0% | Unchanged |
| Deutsche Bank AG | 76,825 | $553.9K | 0.00% | +21,033+37.7% | Added |
| Gsa Capital Partners LLP | 82,957 | $598.0K | 0.04% | −256,638−75.6% | Reduced |
| Commonwealth Equity Services, LLC | 86,094 | $621.0K | 0.00% | −3,026−3.4% | Reduced |
| Virtu Financial LLC | 86,831 | $626.0K | 0.03% | −22,928−20.9% | Reduced |
| Summit Financial Wealth Advisors, LLC | 99,488 | $640.7K | 0.13% | +53,570+116.7% | Added |
| UBS Asset Management Americas Inc | 92,392 | $666.1K | 0.00% | +13,126+16.6% | Added |
| Macquarie Group Ltd | 100,000 | $721.0K | 0.00% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 102,940 | $742.2K | 0.00% | +2,028+2.0% | Added |
| Silvercrest Asset Management Group LLC | 103,500 | $746.2K | 0.00% | 00.0% | Unchanged |
| Rhumbline Advisers | 104,876 | $756.1K | 0.00% | −4,343−4.0% | Reduced |
| MML Investors Services, LLC | 109,375 | $789.0K | 0.00% | +74,925+217.5% | Added |
| Colony Group, LLC | 122,539 | $883.5K | 0.00% | +122,539 | New |
| Citigroup Inc | 124,690 | $899.0K | 0.00% | +72,875+140.6% | Added |
| Swiss National Bank | 139,500 | $1.01M | 0.00% | 00.0% | Unchanged |
| Barclays PLC | 157,528 | $1.14M | 0.00% | +1,787+1.1% | Added |
| Rafferty Asset Management, LLC | 157,750 | $1.14M | 0.00% | +1,964+1.3% | Added |
| Exchange Traded Concepts, LLC | 159,573 | $1.15M | 0.02% | −57,188−26.4% | Reduced |
| Simplex Trading, LLC | 181,172 | $1.31M | 0.04% | +48,007+36.1% | Added |
| Bank of America Corp | 181,889 | $1.31M | 0.00% | +32,382+21.7% | Added |
| Bank of New York Mellon Corp | 186,838 | $1.35M | 0.00% | −1,777−0.9% | Reduced |
| Balyasny Asset Management LLC | 196,327 | $1.42M | 0.00% | +16,387+9.1% | Added |
| Wellington Management Group LLP | 205,233 | $1.48M | 0.00% | +8,001+4.1% | Added |
| Hennion & Walsh Asset Management, Inc. | 205,590 | $1.48M | 0.07% | +31,482+18.1% | Added |
| Charles Schwab Investment Management Inc | 211,879 | $1.53M | 0.00% | +253+0.1% | Added |
| Wells Fargo & Company | 215,538 | $1.55M | 0.00% | +88,209+69.3% | Added |
| Nuveen Asset Management, LLC | 216,926 | $1.56M | 0.00% | −17,504−7.5% | Reduced |
| Invesco Ltd. | 247,086 | $1.78M | 0.00% | +215,375+679.2% | Added |
| Group One Trading, L.P. | 278,535 | $2.01M | 0.07% | +155,737+126.8% | Added |
| Jane Street Group, LLC | 278,650 | $2.01M | 0.00% | −104,013−27.2% | Reduced |
| Gerber, LLC | 281,778 | $2.03M | 1.48% | 00.0% | Unchanged |
| Beirne Wealth Consulting Services, LLC | 294,458 | $2.12M | 0.77% | −8,342−2.8% | Reduced |
| IMC-Chicago, LLC | 303,532 | $2.19M | 0.06% | −31,098−9.3% | Reduced |
| Millennium Management LLC | 345,637 | $2.49M | 0.00% | +241,484+231.9% | Added |
| Schroder Investment Management Group | 428,321 | $3.14M | 0.00% | −45,544−9.6% | Reduced |
| Ensign Peak Advisors, Inc | 454,981 | $3.28M | 0.01% | +128,204+39.2% | Added |
| D. E. Shaw & Co., Inc. | 459,833 | $3.32M | 0.00% | −298,171−39.3% | Reduced |
| Susquehanna International Group, LLP | 500,919 | $3.61M | 0.01% | −426,043−46.0% | Reduced |
| Goldman Sachs Group Inc | 526,170 | $3.79M | 0.00% | −406,655−43.6% | Reduced |
| Two Sigma Investments, LP | 605,303 | $4.36M | 0.01% | +151,001+33.2% | Added |
| Dimensional Fund Advisors LP | 633,441 | $4.57M | 0.00% | −12,936−2.0% | Reduced |
| Northern Trust Corp | 665,916 | $4.80M | 0.00% | +35,918+5.7% | Added |
| Citadel Advisors LLC | 675,044 | $4.87M | 0.00% | +247,457+57.9% | Added |
| UBS Group AG | 719,555 | $5.19M | 0.00% | +437,100+154.8% | Added |
| Morgan Stanley | 921,822 | $6.65M | 0.00% | −373,763−28.8% | Reduced |
| Bellevue Group AG | 945,446 | $6.82M | 0.13% | +81,786+9.5% | Added |
| Knoll Capital Management, LLC | 1,121,524 | $8.09M | 5.21% | 00.0% | Unchanged |
| Geode Capital Management, LLC | 1,658,506 | $12.0M | 0.00% | −9,498−0.6% | Reduced |
| Tang Capital Management LLC | 2,750,000 | $19.8M | 1.31% | 00.0% | Unchanged |
| State Street Corp | 3,470,017 | $25.0M | 0.00% | +56,190+1.6% | Added |
| Vanguard Group Inc | 4,431,612 | $32.0M | 0.00% | −552,246−11.1% | Reduced |
| Ameriprise Financial Inc | 5,254,898 | $37.9M | 0.01% | +1,378,854+35.6% | Added |
| BlackRock, Inc. | 6,159,305 | $44.4M | 0.00% | +693,211+12.7% | Added |
| Capital Fund Management S.A. | 0 | $0 | 0.00% | −726,829−100.0% | Sold out |
| Susquehanna Portfolio Strategies, LLC | 0 | $0 | 0.00% | −207,197−100.0% | Sold out |
| Portolan Capital Management, LLC | 0 | $0 | 0.00% | −60,976−100.0% | Sold out |
| Alps Advisors Inc | 0 | $0 | 0.00% | −54,993−100.0% | Sold out |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −45,769−100.0% | Sold out |
| Connor, Clark & Lunn Investment Management Ltd. | 0 | $0 | 0.00% | −40,705−100.0% | Sold out |
| Campbell & CO Investment Adviser LLC | 0 | $0 | 0.00% | −37,426−100.0% | Sold out |
| PVG Asset Management Corp | 0 | $0 | 0.00% | −23,668−100.0% | Sold out |
| Janney Montgomery Scott LLC | 0 | $0 | 0.00% | −22,934−100.0% | Sold out |
| Envestnet Asset Management Inc | 0 | $0 | 0.00% | −19,084−100.0% | Sold out |
| SEI Investments Co | 0 | $0 | 0.00% | −12,977−100.0% | Sold out |
| Teza Capital Management LLC | 0 | $0 | 0.00% | −12,346−100.0% | Sold out |
| Independent Advisor Alliance | 0 | $0 | 0.00% | −10,145−100.0% | Sold out |
| Brave Asset Management Inc | 0 | $0 | 0.00% | −10,000−100.0% | Sold out |
| Acadian Asset Management LLC | 0 | $0 | 0.00% | −2,506−100.0% | Sold out |
| STRS Ohio | 0 | $0 | 0.00% | −1,200−100.0% | Sold out |
| NewSquare Capital LLC | 0 | $0 | 0.00% | −500−100.0% | Sold out |