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 |
|---|---|---|---|---|---|
| Cornerstone Planning Group LLC | 1 | $5 | 0.00% | 00.0% | Unchanged |
| Huntington National Bank | 2 | $10 | 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 |
| Bernard Wealth Management Corp. | 15 | $75 | 0.00% | 00.0% | Unchanged |
| Farther Finance Advisors, LLC | 19 | $90 | 0.00% | 00.0% | Unchanged |
| Parallel Advisors, LLC | 40 | $200 | 0.00% | 00.0% | Unchanged |
| Stephens Consulting, LLC | 65 | $325 | 0.00% | +65 | New |
| CoreCap Advisors, LLC | 71 | $355 | 0.00% | 00.0% | Unchanged |
| Northwestern Mutual Wealth Management Co | 100 | $500 | 0.00% | 00.0% | Unchanged |
| Signaturefd, LLC | 137 | $685 | 0.00% | +137 | New |
| Rothschild Investment LLC | 165 | $825 | 0.00% | +30+22.2% | Added |
| Daiwa Securities Group Inc. | 235 | $1.00K | 0.00% | 00.0% | Unchanged |
| Aventura Private Wealth, LLC | 200 | $1.00K | 0.00% | +200 | New |
| IFP Advisors, Inc | 201 | $1.00K | 0.00% | −145−41.9% | Reduced |
| Massmutual Trust Co FSB | 240 | $1.20K | 0.00% | +78+48.1% | Added |
| Optiver Holding B.V. | 247 | $1.24K | 0.00% | +39+18.8% | Added |
| Fifth Third Bancorp | 250 | $1.25K | 0.00% | 00.0% | Unchanged |
| ZRC Wealth Management, LLC | 286 | $1.43K | 0.00% | +41+16.7% | Added |
| Nisa Investment Advisors, LLC | 367 | $1.83K | 0.00% | −78−17.5% | Reduced |
| Bessemer Group Inc | 398 | $2.00K | 0.00% | +18+4.7% | Added |
| Medallion Wealth Advisors, LLC | 435 | $2.06K | 0.00% | 00.0% | Unchanged |
| Stone House Investment Management, LLC | 500 | $2.50K | 0.00% | +500 | New |
| Sterling Capital Management LLC | 599 | $3.00K | 0.00% | −479−44.4% | Reduced |
| Public Employees Retirement Association of Colorado | 552 | $3.00K | 0.00% | 00.0% | Unchanged |
| SRS Capital Advisors, Inc. | 614 | $3.07K | 0.00% | −111−15.3% | Reduced |
| Hollencrest Capital Management | 770 | $3.85K | 0.00% | 00.0% | Unchanged |
| Caitong International Asset Management Co., Ltd | 937 | $4.68K | 0.00% | −23,399−96.1% | Reduced |
| Versant Capital Management, Inc | 1,193 | $5.96K | 0.00% | +1,193 | New |
| CWM, LLC | 1,183 | $6.00K | 0.00% | +25+2.2% | Added |
| US Bancorp | 1,278 | $6.39K | 0.00% | −127−9.0% | Reduced |
| GAMMA Investing LLC | 1,349 | $6.75K | 0.00% | −798−37.2% | Reduced |
| Penserra Capital Management LLC | 1,587 | $7.00K | 0.00% | +239+17.7% | Added |
| The PNC Financial Services Group, Inc. | 1,542 | $7.71K | 0.00% | 00.0% | Unchanged |
| GF Fund Management Co. Ltd. | 1,821 | $9.11K | 0.00% | +328+22.0% | Added |
| Activest Wealth Management | 2,001 | $10.0K | 0.00% | 00.0% | Unchanged |
| Amalgamated Bank | 2,451 | $12.0K | 0.00% | +784+47.0% | Added |
| Mirae Asset Global Investments Co., Ltd. | 2,577 | $13.7K | 0.00% | +207+8.7% | Added |
| Amundi | 3,273 | $14.6K | 0.00% | 00.0% | Unchanged |
| Russell Investments Group, Ltd. | 4,204 | $21.0K | 0.00% | −174−4.0% | Reduced |
| Great West Life Assurance Co | 4,354 | $22.0K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 4,466 | $22.3K | 0.00% | −21,277−82.7% | Reduced |
| Advisory Services Network, LLC | 4,587 | $22.9K | 0.00% | +4,587 | New |
| BNP Paribas Arbitrage, SA | 4,842 | $24.2K | 0.00% | −3,314−40.6% | Reduced |
| Larson Financial Group LLC | 5,000 | $25.0K | 0.00% | 00.0% | Unchanged |
| HighTower Advisors, LLC | 5,250 | $26.3K | 0.00% | +2,592+97.5% | Added |
| Jones Financial Companies LLLP | 5,633 | $30.0K | 0.00% | +5,633 | New |
| SBI Securities Co., Ltd. | 6,754 | $33.8K | 0.00% | +549+8.8% | Added |
| Ameritas Investment Partners, Inc. | 6,955 | $34.8K | 0.00% | 00.0% | Unchanged |
| 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 |
| Headland Capital, LLC | 10,097 | $50.5K | 0.02% | +10,097 | New |
| Sequoia Financial Advisors, LLC | 10,155 | $50.8K | 0.00% | −3,500−25.6% | Reduced |
| Mercer Global Advisors Inc | 10,747 | $53.7K | 0.00% | +10,747 | New |
| Sunbelt Securities, Inc. | 10,844 | $54.2K | 0.00% | 00.0% | Unchanged |
| KLP Kapitalforvaltning AS | 11,300 | $56.5K | 0.00% | 00.0% | Unchanged |
| 180 Wealth Advisors, LLC | 12,075 | $60.4K | 0.01% | +1,220+11.2% | Added |
| Atria Investments LLC | 12,285 | $61.4K | 0.00% | +12,285 | New |
| E Fund Management Co., Ltd. | 13,427 | $67.1K | 0.00% | +2,268+20.3% | Added |
| PVG Asset Management Corp | 14,025 | $70.1K | 0.31% | +14,025 | New |
| Police & Firemen's Retirement System of New Jersey | 14,328 | $71.6K | 0.00% | 00.0% | Unchanged |
| State Board of Administration of Florida Retirement System | 14,344 | $71.7K | 0.00% | +620+4.5% | Added |
| Bridgefront Capital, LLC | 14,518 | $72.6K | 0.02% | −2,705−15.7% | Reduced |
| Wealth Enhancement Advisory Services, LLC | 14,564 | $72.8K | 0.00% | −1,024−6.6% | Reduced |
| Raymond James Financial Inc | 14,660 | $73.3K | 0.00% | +2,420+19.8% | Added |
| China Universal Asset Management Co., Ltd. | 15,448 | $77.2K | 0.01% | +367+2.4% | Added |
| Cambridge Investment Research Advisors, Inc. | 15,668 | $78.0K | 0.00% | +1,147+7.9% | Added |
| CIBC World Markets Corp | 15,760 | $78.8K | 0.00% | +15,760 | New |
| SG Americas Securities, LLC | 16,472 | $82.0K | 0.00% | −30,588−65.0% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 16,480 | $82.4K | 0.00% | +1,792+12.2% | Added |
| Fortis Capital Management LLC | 16,606 | $83.0K | 0.02% | 00.0% | Unchanged |
| Miracle Mile Advisors, LLC | 17,000 | $85.0K | 0.00% | 00.0% | Unchanged |
| American Century Companies Inc | 17,175 | $85.9K | 0.00% | −27,567−61.6% | Reduced |
| PFG Investments, LLC | 17,500 | $87.5K | 0.01% | +4,200+31.6% | Added |
| ProShare Advisors LLC | 18,848 | $94.2K | 0.00% | −4,523−19.4% | Reduced |
| Voya Investment Management LLC | 18,967 | $94.8K | 0.00% | −2,275−10.7% | Reduced |
| Virtus Investment Advisers, Inc. | 19,116 | $95.6K | 0.03% | +19,116 | New |
| Teacher Retirement System of Texas | 19,144 | $95.7K | 0.00% | −2,061−9.7% | Reduced |
| Advisor Group Holdings, Inc. | 19,688 | $98.4K | 0.00% | −1,360−6.5% | Reduced |
| Quest Partners LLC | 19,820 | $99.1K | 0.01% | +19,820 | New |
| Vivaldi Capital Management, LLC | 20,000 | $100.0K | 0.02% | 00.0% | Unchanged |
| Arizona State Retirement System | 20,386 | $101.9K | 0.00% | −172−0.8% | Reduced |
| Simplex Trading, LLC | 20,821 | $104.0K | 0.00% | −160,351−88.5% | Reduced |
| FMR LLC | 20,803 | $104.0K | 0.00% | −35,936−63.3% | Reduced |
| New York State Common Retirement Fund | 21,447 | $107.2K | 0.00% | 00.0% | Unchanged |
| Resources Investment Advisors, LLC. | 21,590 | $108.0K | 0.00% | −2,887−11.8% | Reduced |
| Concurrent Investment Advisors, LLC | 21,693 | $108.5K | 0.00% | +21,693 | New |
| DCF Advisers, LLC | 21,770 | $108.8K | 0.06% | −47,098−68.4% | Reduced |
| Envestnet Asset Management Inc | 22,237 | $111.2K | 0.00% | +22,237 | New |
| Cetera Investment Advisers | 22,802 | $114.0K | 0.00% | +8,449+58.9% | Added |
| National Asset Management, Inc. | 24,300 | $121.5K | 0.00% | −154−0.6% | Reduced |
| GWM Advisors LLC | 24,759 | $123.8K | 0.00% | −366−1.5% | Reduced |
| Jefferies Financial Group Inc. | 25,000 | $125.0K | 0.00% | 00.0% | Unchanged |
| Marex Group plc | 25,000 | $125.0K | 0.00% | 00.0% | Unchanged |
| Horizon Wealth Management, LLC | 25,000 | $125.0K | 0.02% | +25,000 | New |
| Manufacturers Life Insurance Company, The | 25,197 | $126.0K | 0.00% | −463−1.8% | Reduced |
| Farallon Capital Management, L.L.C. | 27,600 | $138.0K | 0.00% | 00.0% | Unchanged |
| Profund Advisors LLC | 29,759 | $148.8K | 0.01% | −791−2.6% | Reduced |
| North Star Investment Management Corp. | 30,000 | $150.0K | 0.01% | 00.0% | Unchanged |