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, Q2 2021
Institutional positions in Altimmune, Inc. as of Jun 30, 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
- 109
- +11 vs. Q1 2021
- Shares held
- 27.3M
- +3.43M (+14.4%) vs. Q1 2021
- Total value
- $269.2M
- −$67.4M (−20.0%) vs. Q1 2021
- New holders
- 42
- 29 more added
- Sold out
- 31
- 21 more reduced
Compare with Q1 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, Q2 2021
Shares, value and share of portfolio for each institution holding Altimmune, Inc.; share changes are against Q1 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Marshall Wace, LLP | 928,716 | $9.15M | 0.05% | +928,716 | New |
| Baker Bros. Advisors LP | 1,072,038 | $10.6M | 0.05% | −1,686,480−61.1% | Reduced |
| Citadel Advisors LLC | 1,290,865 | $12.7M | 0.01% | +160,606+14.2% | Added |
| Credit Suisse AG | 1,429,775 | $14.1M | 0.01% | +515,336+56.4% | Added |
| Point72 Asset Management, L.P. | 1,564,654 | $15.4M | 0.08% | +1,564,654 | New |
| Vanguard Group Inc | 1,586,093 | $15.6M | 0.00% | +258,883+19.5% | Added |
| BlackRock Inc. | 2,557,242 | $25.2M | 0.00% | +1,499,055+141.7% | Added |
| VR Adviser, LLC | 3,500,000 | $34.5M | 4.18% | 00.0% | Unchanged |
| State Street Corp | 3,683,316 | $36.3M | 0.00% | +741,137+25.2% | Added |
| Caas Capital Management LP | 0 | $0 | 0.00% | −1,106,529−100.0% | Sold out |
| Millennium Management LLC | 0 | $0 | 0.00% | −732,742−100.0% | Sold out |
| Armistice Capital, LLC | 0 | $0 | 0.00% | −536,000−100.0% | Sold out |
| Acuta Capital Partners, LLC | 0 | $0 | 0.00% | −407,055−100.0% | Sold out |
| Two Sigma Advisers, LP | 0 | $0 | 0.00% | −236,200−100.0% | Sold out |
| McGuire Investment Group, LLC | 0 | $0 | 0.00% | −193,551−100.0% | Sold out |
| Ikarian Capital, LLC | 0 | $0 | 0.00% | −181,941−100.0% | Sold out |
| Schonfeld Strategic Advisors LLC | 0 | $0 | 0.00% | −99,834−100.0% | Sold out |
| California Public Employees Retirement System | 0 | $0 | 0.00% | −57,624−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −54,557−100.0% | Sold out |
| Jump Financial, LLC | 0 | $0 | 0.00% | −52,651−100.0% | Sold out |
| HighVista Strategies LLC | 0 | $0 | 0.00% | −45,866−100.0% | Sold out |
| Hayden Royal, LLC | 0 | $0 | 0.00% | −44,583−100.0% | Sold out |
| Parametrica Management Ltd | 0 | $0 | 0.00% | −43,651−100.0% | Sold out |
| Thrivent Financial for Lutherans | 0 | $0 | 0.00% | −40,243−100.0% | Sold out |
| Ameriprise Financial Inc | 0 | $0 | 0.00% | −31,382−100.0% | Sold out |
| Trexquant Investment LP | 0 | $0 | 0.00% | −30,951−100.0% | Sold out |
| Parallax Volatility Advisers, L.P. | 0 | $0 | 0.00% | −28,666−100.0% | Sold out |
| Two Sigma Investments, LP | 0 | $0 | 0.00% | −26,399−100.0% | Sold out |
| First Midwest Bank Trust Division | 0 | $0 | 0.00% | −21,765−100.0% | Sold out |
| LMR Partners LLP | 0 | $0 | 0.00% | −21,318−100.0% | Sold out |
| Boothbay Fund Management, LLC | 0 | $0 | 0.00% | −19,495−100.0% | Sold out |
| Ergoteles LLC | 0 | $0 | 0.00% | −18,100−100.0% | Sold out |
| Qube Research & Technologies Ltd | 0 | $0 | 0.00% | −17,645−100.0% | Sold out |
| SG Americas Securities, LLC | 0 | $0 | 0.00% | −10,968−100.0% | Sold out |
| Cullen/Frost Bankers, Inc. | 0 | $0 | 0.00% | −10,000−100.0% | Sold out |
| Pacer Advisors, Inc. | 0 | $0 | 0.00% | −4,650−100.0% | Sold out |
| Maven Securities LTD | 0 | $0 | 0.00% | −3,408−100.0% | Sold out |
| Central Trust Co | 0 | $0 | 0.00% | −500−100.0% | Sold out |
| Savior LLC | 0 | $0 | 0.00% | −39−100.0% | Sold out |
| Sofos Investments, Inc. | 0 | $0 | 0.00% | −2−100.0% | Sold out |