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 2021
Institutional positions in Altimmune, Inc. as of Dec 31, 2021. 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
- 102
- −16 vs. Q3 2021
- Shares held
- 32.5M
- +379.9K (+1.2%) vs. Q3 2021
- Total value
- $295.8M
- −$70.6M (−19.3%) vs. Q3 2021
- New holders
- 19
- 39 more added
- Sold out
- 35
- 29 more reduced
1 institution that held it in Q3 2021 haven't filed for Q4 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2021: 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 2021
Shares, value and share of portfolio for each institution holding Altimmune, Inc.; share changes are against Q3 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock Inc. | 2,956,267 | $27.1M | 0.00% | +14,477+0.5% | Added |
| State Street Corp | 4,421,541 | $40.5M | 0.00% | +897,523+25.5% | Added |
| Proequities, Inc. | 0 | $0 | 0.00% | −200−100.0% | Sold out |
| VR Adviser, LLC | 0 | $0 | 0.00% | −3,800,000−100.0% | Sold out |
| Credit Suisse AG | 0 | $0 | 0.00% | −1,410,397−100.0% | Sold out |
| Braun Stacey Associates Inc | 0 | $0 | 0.00% | −711,818−100.0% | Sold out |
| Logos Global Management LP | 0 | $0 | 0.00% | −700,000−100.0% | Sold out |
| Marshall Wace, LLP | 0 | $0 | 0.00% | −478,923−100.0% | Sold out |
| Canada Pension Plan Investment Board | 0 | $0 | 0.00% | −300,000−100.0% | Sold out |
| Acuta Capital Partners, LLC | 0 | $0 | 0.00% | −150,000−100.0% | Sold out |
| Principal Financial Group Inc | 0 | $0 | 0.00% | −113,509−100.0% | Sold out |
| HAP Trading, LLC | 0 | $0 | 0.00% | −104,491−100.0% | Sold out |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −74,358−100.0% | Sold out |
| Parallax Volatility Advisers, L.P. | 0 | $0 | 0.00% | −57,130−100.0% | Sold out |
| DekaBank Deutsche Girozentrale | 0 | $0 | 0.00% | −50,000−100.0% | Sold out |
| State of Wisconsin Investment Board | 0 | $0 | 0.00% | −42,000−100.0% | Sold out |
| Connor, Clark & Lunn Investment Management Ltd. | 0 | $0 | 0.00% | −40,435−100.0% | Sold out |
| Brookfield Asset Management Inc. | 0 | $0 | 0.00% | −26,593−100.0% | Sold out |
| Campbell & CO Investment Adviser LLC | 0 | $0 | 0.00% | −23,300−100.0% | Sold out |
| Belvedere Trading LLC | 0 | $0 | 0.00% | −20,005−100.0% | Sold out |
| Dana Investment Advisors, Inc. | 0 | $0 | 0.00% | −20,635−100.0% | Sold out |
| Keebeck Wealth Management, LLC | 0 | $0 | 0.00% | −20,000−100.0% | Sold out |
| Commonwealth Equity Services, LLC | 0 | $0 | 0.00% | −19,255−100.0% | Sold out |
| Atom Investors LP | 0 | $0 | 0.00% | −16,977−100.0% | Sold out |
| Winton Group Ltd | 0 | $0 | 0.00% | −15,751−100.0% | Sold out |
| Envestnet Asset Management Inc | 0 | $0 | 0.00% | −15,168−100.0% | Sold out |
| Harvest Investment Services, LLC | 0 | $0 | 0.00% | −11,496−100.0% | Sold out |
| Fox Run Management, L.L.C. | 0 | $0 | 0.00% | −11,165−100.0% | Sold out |
| Emfo, LLC | 0 | $0 | 0.00% | −5,000−100.0% | Sold out |
| Private Capital Group, LLC | 0 | $0 | 0.00% | −1,153−100.0% | Sold out |
| Penserra Capital Management LLC | 0 | $0 | 0.00% | −910−100.0% | Sold out |
| Patriot Financial Group Insurance Agency, LLC | 0 | $0 | 0.00% | −500−100.0% | Sold out |
| Toth Financial Advisory Corp | 0 | $0 | 0.00% | −300−100.0% | Sold out |
| Farmers & Merchants Investments Inc | 0 | $0 | 0.00% | −227−100.0% | Sold out |
| Atlas Private Wealth Advisors | 0 | $0 | 0.00% | −300−100.0% | Sold out |
| Harbour Investments, Inc. | 0 | $0 | 0.00% | −3−100.0% | Sold out |
| Ellevest, Inc. | 0 | $0 | 0.00% | −5−100.0% | Sold out |
| Marshall Wace North America L.P. | – | – | – | – | Not filed |