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, Q1 2025
Institutional positions in Altimmune, Inc. as of Mar 31, 2025. 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
- 177
- −3 vs. Q4 2024
- Shares held
- 38.2M
- −2.13M (−5.3%) vs. Q4 2024
- Total value
- $191.2M
- −$99.4M (−34.2%) vs. Q4 2024
- New holders
- 26
- 53 more added
- Sold out
- 29
- 54 more reduced
3 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2025
Shares, value and share of portfolio for each institution holding Altimmune, Inc.; share changes are against Q4 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Voya Investment Management LLC | 18,967 | $94.8K | 0.00% | −2,275−10.7% | Reduced |
| ProShare Advisors LLC | 18,848 | $94.2K | 0.00% | −4,523−19.4% | Reduced |
| PFG Investments, LLC | 17,500 | $87.5K | 0.01% | +4,200+31.6% | Added |
| American Century Companies Inc | 17,175 | $85.9K | 0.00% | −27,567−61.6% | Reduced |
| Miracle Mile Advisors, LLC | 17,000 | $85.0K | 0.00% | 00.0% | Unchanged |
| Fortis Capital Management LLC | 16,606 | $83.0K | 0.02% | 00.0% | Unchanged |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 16,480 | $82.4K | 0.00% | +1,792+12.2% | Added |
| SG Americas Securities, LLC | 16,472 | $82.0K | 0.00% | −30,588−65.0% | Reduced |
| CIBC World Markets Corp | 15,760 | $78.8K | 0.00% | +15,760 | New |
| Cambridge Investment Research Advisors, Inc. | 15,668 | $78.0K | 0.00% | +1,147+7.9% | Added |
| China Universal Asset Management Co., Ltd. | 15,448 | $77.2K | 0.01% | +367+2.4% | Added |
| Raymond James Financial Inc | 14,660 | $73.3K | 0.00% | +2,420+19.8% | Added |
| Wealth Enhancement Advisory Services, LLC | 14,564 | $72.8K | 0.00% | −1,024−6.6% | Reduced |
| Bridgefront Capital, LLC | 14,518 | $72.6K | 0.02% | −2,705−15.7% | Reduced |
| State Board of Administration of Florida Retirement System | 14,344 | $71.7K | 0.00% | +620+4.5% | Added |
| Police & Firemen's Retirement System of New Jersey | 14,328 | $71.6K | 0.00% | 00.0% | Unchanged |
| PVG Asset Management Corp | 14,025 | $70.1K | 0.31% | +14,025 | New |
| E Fund Management Co., Ltd. | 13,427 | $67.1K | 0.00% | +2,268+20.3% | Added |
| Atria Investments LLC | 12,285 | $61.4K | 0.00% | +12,285 | New |
| 180 Wealth Advisors, LLC | 12,075 | $60.4K | 0.01% | +1,220+11.2% | Added |
| KLP Kapitalforvaltning AS | 11,300 | $56.5K | 0.00% | 00.0% | Unchanged |
| Sunbelt Securities, Inc. | 10,844 | $54.2K | 0.00% | 00.0% | Unchanged |
| Mercer Global Advisors Inc | 10,747 | $53.7K | 0.00% | +10,747 | New |
| Sequoia Financial Advisors, LLC | 10,155 | $50.8K | 0.00% | −3,500−25.6% | Reduced |
| Headland Capital, LLC | 10,097 | $50.5K | 0.02% | +10,097 | New |
| Cullen/Frost Bankers, Inc. | 10,000 | $50.0K | 0.00% | 00.0% | Unchanged |
| Geneos Wealth Management Inc. | 10,000 | $50.0K | 0.00% | +10,000 | New |
| Magnus Financial Group LLC | 10,000 | $50.0K | 0.00% | +10,000 | New |
| Ameritas Investment Partners, Inc. | 6,955 | $34.8K | 0.00% | 00.0% | Unchanged |
| SBI Securities Co., Ltd. | 6,754 | $33.8K | 0.00% | +549+8.8% | Added |
| Jones Financial Companies LLLP | 5,633 | $30.0K | 0.00% | +5,633 | New |
| HighTower Advisors, LLC | 5,250 | $26.3K | 0.00% | +2,592+97.5% | Added |
| Larson Financial Group LLC | 5,000 | $25.0K | 0.00% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 4,842 | $24.2K | 0.00% | −3,314−40.6% | Reduced |
| Advisory Services Network, LLC | 4,587 | $22.9K | 0.00% | +4,587 | New |
| Tower Research Capital LLC (TRC) | 4,466 | $22.3K | 0.00% | −21,277−82.7% | Reduced |
| Great West Life Assurance Co | 4,354 | $22.0K | 0.00% | 00.0% | Unchanged |
| Russell Investments Group, Ltd. | 4,204 | $21.0K | 0.00% | −174−4.0% | Reduced |
| Amundi | 3,273 | $14.6K | 0.00% | 00.0% | Unchanged |
| Mirae Asset Global Investments Co., Ltd. | 2,577 | $13.7K | 0.00% | +207+8.7% | Added |
| Amalgamated Bank | 2,451 | $12.0K | 0.00% | +784+47.0% | Added |
| Activest Wealth Management | 2,001 | $10.0K | 0.00% | 00.0% | Unchanged |
| GF Fund Management Co. Ltd. | 1,821 | $9.11K | 0.00% | +328+22.0% | Added |
| The PNC Financial Services Group, Inc. | 1,542 | $7.71K | 0.00% | 00.0% | Unchanged |
| Penserra Capital Management LLC | 1,587 | $7.00K | 0.00% | +239+17.7% | Added |
| GAMMA Investing LLC | 1,349 | $6.75K | 0.00% | −798−37.2% | Reduced |
| US Bancorp | 1,278 | $6.39K | 0.00% | −127−9.0% | Reduced |
| CWM, LLC | 1,183 | $6.00K | 0.00% | +25+2.2% | Added |
| Versant Capital Management, Inc | 1,193 | $5.96K | 0.00% | +1,193 | New |
| Caitong International Asset Management Co., Ltd | 937 | $4.68K | 0.00% | −23,399−96.1% | Reduced |
| Hollencrest Capital Management | 770 | $3.85K | 0.00% | 00.0% | Unchanged |
| SRS Capital Advisors, Inc. | 614 | $3.07K | 0.00% | −111−15.3% | Reduced |
| Public Employees Retirement Association of Colorado | 552 | $3.00K | 0.00% | 00.0% | Unchanged |
| Sterling Capital Management LLC | 599 | $3.00K | 0.00% | −479−44.4% | Reduced |
| Stone House Investment Management, LLC | 500 | $2.50K | 0.00% | +500 | New |
| Medallion Wealth Advisors, LLC | 435 | $2.06K | 0.00% | 00.0% | Unchanged |
| Bessemer Group Inc | 398 | $2.00K | 0.00% | +18+4.7% | Added |
| Nisa Investment Advisors, LLC | 367 | $1.83K | 0.00% | −78−17.5% | Reduced |
| ZRC Wealth Management, LLC | 286 | $1.43K | 0.00% | +41+16.7% | Added |
| Fifth Third Bancorp | 250 | $1.25K | 0.00% | 00.0% | Unchanged |
| Optiver Holding B.V. | 247 | $1.24K | 0.00% | +39+18.8% | Added |
| Massmutual Trust Co FSB | 240 | $1.20K | 0.00% | +78+48.1% | Added |
| IFP Advisors, Inc | 201 | $1.00K | 0.00% | −145−41.9% | Reduced |
| Daiwa Securities Group Inc. | 235 | $1.00K | 0.00% | 00.0% | Unchanged |
| Aventura Private Wealth, LLC | 200 | $1.00K | 0.00% | +200 | New |
| Rothschild Investment LLC | 165 | $825 | 0.00% | +30+22.2% | Added |
| Signaturefd, LLC | 137 | $685 | 0.00% | +137 | New |
| Northwestern Mutual Wealth Management Co | 100 | $500 | 0.00% | 00.0% | Unchanged |
| CoreCap Advisors, LLC | 71 | $355 | 0.00% | 00.0% | Unchanged |
| Stephens Consulting, LLC | 65 | $325 | 0.00% | +65 | New |
| Parallel Advisors, LLC | 40 | $200 | 0.00% | 00.0% | Unchanged |
| Farther Finance Advisors, LLC | 19 | $90 | 0.00% | 00.0% | Unchanged |
| Bernard Wealth Management Corp. | 15 | $75 | 0.00% | 00.0% | Unchanged |
| Lindbrook Capital, LLC | 3 | $15 | 0.00% | −58−95.1% | Reduced |
| First Horizon Advisors, Inc. | 3 | $15 | 0.00% | 00.0% | Unchanged |
| Huntington National Bank | 2 | $10 | 0.00% | 00.0% | Unchanged |
| Cornerstone Planning Group LLC | 1 | $5 | 0.00% | 00.0% | Unchanged |
| Proequities, Inc. | 0 | $0 | 0.00% | −100−100.0% | Sold out |
| Citadel Advisors LLC | 0 | $0 | 0.00% | −675,044−100.0% | Sold out |
| Ensign Peak Advisors, Inc | 0 | $0 | 0.00% | −454,981−100.0% | Sold out |
| Colony Group, LLC | 0 | $0 | 0.00% | −122,539−100.0% | Sold out |
| Virtu Financial LLC | 0 | $0 | 0.00% | −86,831−100.0% | Sold out |
| Skandinaviska Enskilda Banken AB (publ) | 0 | $0 | 0.00% | −62,002−100.0% | Sold out |
| PEAK6 LLC | 0 | $0 | 0.00% | −61,948−100.0% | Sold out |
| Los Angeles Capital Management LLC | 0 | $0 | 0.00% | −31,197−100.0% | Sold out |
| UBS Oconnor LLC | 0 | $0 | 0.00% | −26,899−100.0% | Sold out |
| Farringdon Capital, Ltd. | 0 | $0 | 0.00% | −25,295−100.0% | Sold out |
| Walleye Capital LLC | 0 | $0 | 0.00% | −22,224−100.0% | Sold out |
| Integrated Wealth Concepts LLC | 0 | $0 | 0.00% | −19,019−100.0% | Sold out |
| Walleye Trading LLC | 0 | $0 | 0.00% | −18,975−100.0% | Sold out |
| Centiva Capital, LP | 0 | $0 | 0.00% | −17,180−100.0% | Sold out |
| Wolverine Trading, LLC | 0 | $0 | 0.00% | −15,543−100.0% | Sold out |
| Kestra Advisory Services, LLC | 0 | $0 | 0.00% | −15,682−100.0% | Sold out |
| Bayesian Capital Management, LP | 0 | $0 | 0.00% | −14,700−100.0% | Sold out |
| Freestone Grove Partners LP | 0 | $0 | 0.00% | −14,418−100.0% | Sold out |
| Engineers Gate Manager LP | 0 | $0 | 0.00% | −14,414−100.0% | Sold out |
| Headlands Technologies LLC | 0 | $0 | 0.00% | −14,054−100.0% | Sold out |
| AQR Capital Management LLC | 0 | $0 | 0.00% | −12,577−100.0% | Sold out |
| Axq Capital, LP | 0 | $0 | 0.00% | −12,388−100.0% | Sold out |
| WealthPLAN Partners, LLC | 0 | $0 | 0.00% | −10,204−100.0% | Sold out |