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, Q3 2021
Institutional positions in Altimmune, Inc. as of Sep 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
- 119
- +11 vs. Q2 2021
- Shares held
- 32.9M
- +5.63M (+20.7%) vs. Q2 2021
- Total value
- $375.3M
- +$106.2M (+39.5%) vs. Q2 2021
- New holders
- 26
- 48 more added
- Sold out
- 15
- 30 more reduced
1 institution that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2021
Shares, value and share of portfolio for each institution holding Altimmune, Inc.; share changes are against Q2 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Marshall Wace, LLP | 478,923 | $5.42M | 0.03% | −449,793−48.4% | Reduced |
| Geode Capital Management, LLC | 658,852 | $7.45M | 0.00% | +123,336+23.0% | Added |
| Logos Global Management LP | 700,000 | $7.92M | 0.57% | +700,000 | New |
| Braun Stacey Associates Inc | 711,818 | $8.05M | 0.32% | +2,890+0.4% | Added |
| Morgan Stanley | 721,804 | $8.16M | 0.00% | −53,724−6.9% | Reduced |
| Marshall Wace North America L.P. | 791,606 | $8.95M | 0.04% | +791,606 | New |
| D. E. Shaw & Co., Inc. | 955,438 | $10.8M | 0.01% | +127,682+15.4% | Added |
| Ardsley Advisory Partners LP | 1,027,500 | $11.7M | 2.44% | +726,000+240.8% | Added |
| Baker Bros. Advisors LP | 1,072,038 | $12.1M | 0.05% | 00.0% | Unchanged |
| Nuveen Asset Management, LLC | 805,820 | $12.3M | 0.00% | +567,253+237.8% | Added |
| Sphera Funds Management Ltd. | 1,088,854 | $12.3M | 1.22% | +405,459+59.3% | Added |
| Citadel Advisors LLC | 1,089,852 | $12.3M | 0.01% | −201,013−15.6% | Reduced |
| Credit Suisse AG | 1,410,397 | $16.0M | 0.01% | −19,378−1.4% | Reduced |
| Tang Capital Management LLC | 1,600,000 | $18.1M | 3.76% | +816,593+104.2% | Added |
| Vanguard Group Inc | 1,636,357 | $18.5M | 0.00% | +50,264+3.2% | Added |
| Avidity Partners Management LP | 2,167,900 | $24.5M | 0.63% | +2,167,900 | New |
| BlackRock Inc. | 2,941,790 | $33.3M | 0.00% | +384,548+15.0% | Added |
| State Street Corp | 3,524,018 | $39.9M | 0.00% | −159,298−4.3% | Reduced |
| VR Adviser, LLC | 3,800,000 | $43.0M | 5.52% | +300,000+8.6% | Added |
| Point72 Asset Management, L.P. | 0 | $0 | 0.00% | −1,564,654−100.0% | Sold out |
| Capital World Investors | 0 | $0 | 0.00% | −692,604−100.0% | Sold out |
| Integral Health Asset Management, LLC | 0 | $0 | 0.00% | −160,000−100.0% | Sold out |
| Cubist Systematic Strategies, LLC | 0 | $0 | 0.00% | −69,300−100.0% | Sold out |
| MYDA Advisors LLC | 0 | $0 | 0.00% | −60,000−100.0% | Sold out |
| CSS LLC | 0 | $0 | 0.00% | −35,073−100.0% | Sold out |
| AXA S.A. | 0 | $0 | 0.00% | −32,600−100.0% | Sold out |
| Engineers Gate Manager LP | 0 | $0 | 0.00% | −13,929−100.0% | Sold out |
| Raymond James & Associates | 0 | $0 | 0.00% | −11,786−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −6,985−100.0% | Sold out |
| Global Retirement Partners, LLC | 0 | $0 | 0.00% | −4,362−100.0% | Sold out |
| SG3 Management, LLC | 0 | $0 | 0.00% | −3,000−100.0% | Sold out |
| IFP Advisors, Inc | 0 | $0 | 0.00% | −2,227−100.0% | Sold out |
| Panagora Asset Management Inc | 0 | $0 | 0.00% | −122−100.0% | Sold out |
| FMR LLC | 0 | $0 | 0.00% | −1−100.0% | Sold out |
| CWM, LLC | – | – | – | – | Not filed |