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 2022
Institutional positions in Altimmune, Inc. as of Dec 31, 2022. 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
- 128
- +6 vs. Q3 2022
- Shares held
- 46.8M
- +770.8K (+1.7%) vs. Q3 2022
- Total value
- $769.9M
- +$181.8M (+30.9%) vs. Q3 2022
- New holders
- 36
- 38 more added
- Sold out
- 30
- 35 more reduced
Compare with Q3 2022: 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 2022
Shares, value and share of portfolio for each institution holding Altimmune, Inc.; share changes are against Q3 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Barclays PLC | 361,241 | $5.94M | 0.01% | +173,277+92.2% | Added |
| Sphera Funds Management Ltd. | 380,298 | $6.26M | 1.97% | −220,000−36.6% | Reduced |
| UBS Group AG | 383,069 | $6.30M | 0.00% | +326,792+580.7% | Added |
| Invesco Ltd. | 425,849 | $7.01M | 0.00% | +425,849 | New |
| Morgan Stanley | 434,584 | $7.15M | 0.00% | −157,326−26.6% | Reduced |
| Geode Capital Management, LLC | 438,882 | $7.22M | 0.00% | −37,185−7.8% | Reduced |
| Renaissance Technologies LLC | 508,000 | $8.36M | 0.01% | −490,200−49.1% | Reduced |
| Bank of America Corp | 529,636 | $8.71M | 0.00% | +267,432+102.0% | Added |
| Rafferty Asset Management, LLC | 598,887 | $9.85M | 0.08% | +298,556+99.4% | Added |
| Baker Bros. Advisors LP | 653,562 | $10.8M | 0.06% | −1,116,119−63.1% | Reduced |
| Ardsley Advisory Partners LP | 704,750 | $11.6M | 2.94% | −223,200−24.1% | Reduced |
| Laurion Capital Management LP | 751,300 | $12.4M | 0.35% | +1,195+0.2% | Added |
| Goldman Sachs Group Inc | 767,834 | $12.6M | 0.00% | +32,090+4.4% | Added |
| Two Sigma Investments, LP | 776,297 | $12.8M | 0.04% | −201,350−20.6% | Reduced |
| Two Sigma Advisers, LP | 925,300 | $15.2M | 0.04% | +56,500+6.5% | Added |
| Jennison Associates LLC | 928,813 | $15.3M | 0.02% | +747,283+411.7% | Added |
| Pictet Asset Management SA | 1,078,372 | $17.7M | 0.03% | +1,078,372 | New |
| Citadel Advisors LLC | 1,159,461 | $19.1M | 0.02% | +1,030,210+797.1% | Added |
| Marshall Wace, LLP | 1,239,794 | $20.4M | 0.05% | +140,880+12.8% | Added |
| Woodline Partners LP | 1,304,024 | $21.5M | 0.30% | +285,933+28.1% | Added |
| BlackRock Inc. | 1,354,033 | $22.3M | 0.00% | +134,733+11.1% | Added |
| Vanguard Group Inc | 2,532,420 | $41.7M | 0.00% | +505,378+24.9% | Added |
| Cormorant Asset Management, LP | 2,600,000 | $42.8M | 2.87% | −842,863−24.5% | Reduced |
| Tang Capital Management LLC | 2,700,450 | $44.4M | 6.45% | +100,000+3.8% | Added |
| Nuveen Asset Management, LLC | 3,265,963 | $53.7M | 0.02% | +52,063+1.6% | Added |
| Janus Henderson Group PLC | 3,833,579 | $63.1M | 0.05% | −288,235−7.0% | Reduced |
| Avidity Partners Management LP | 3,990,000 | $65.6M | 1.53% | +1,306,000+48.7% | Added |
| State Street Corp | 5,914,588 | $97.3M | 0.01% | +2,515,732+74.0% | Added |
| Driehaus Capital Management LLC | 0 | $0 | 0.00% | −1,222,586−100.0% | Sold out |
| Logos Global Management LP | 0 | $0 | 0.00% | −750,000−100.0% | Sold out |
| Boxer Capital, LLC | 0 | $0 | 0.00% | −500,000−100.0% | Sold out |
| Ghost Tree Capital, LLC | 0 | $0 | 0.00% | −435,000−100.0% | Sold out |
| VR Adviser, LLC | 0 | $0 | 0.00% | −369,306−100.0% | Sold out |
| EAM Investors, LLC | 0 | $0 | 0.00% | −205,167−100.0% | Sold out |
| Granite Point Capital Management, L.P. | 0 | $0 | 0.00% | −180,000−100.0% | Sold out |
| Cubist Systematic Strategies, LLC | 0 | $0 | 0.00% | −170,947−100.0% | Sold out |
| Connor, Clark & Lunn Investment Management Ltd. | 0 | $0 | 0.00% | −127,562−100.0% | Sold out |
| Acuta Capital Partners, LLC | 0 | $0 | 0.00% | −125,000−100.0% | Sold out |
| EAM Global Investors LLC | 0 | $0 | 0.00% | −84,821−100.0% | Sold out |
| Schonfeld Strategic Advisors LLC | 0 | $0 | 0.00% | −58,102−100.0% | Sold out |
| J. Goldman & Co LP | 0 | $0 | 0.00% | −55,935−100.0% | Sold out |
| Campbell & CO Investment Adviser LLC | 0 | $0 | 0.00% | −39,317−100.0% | Sold out |
| Wolverine Trading, LLC | 0 | $0 | 0.00% | −38,227−100.0% | Sold out |
| Weiss Multi-Strategy Advisers LLC | 0 | $0 | 0.00% | −32,600−100.0% | Sold out |
| Raymond James & Associates | 0 | $0 | 0.00% | −31,710−100.0% | Sold out |
| Bank of Montreal | 0 | $0 | 0.00% | −20,065−100.0% | Sold out |
| IMC-Chicago, LLC | 0 | $0 | 0.00% | −30,014−100.0% | Sold out |
| Atom Investors LP | 0 | $0 | 0.00% | −26,818−100.0% | Sold out |
| Bayesian Capital Management, LP | 0 | $0 | 0.00% | −25,409−100.0% | Sold out |
| CSS LLC | 0 | $0 | 0.00% | −20,546−100.0% | Sold out |
| SEI Investments Co | 0 | $0 | 0.00% | −20,263−100.0% | Sold out |
| Tudor Investment Corp Et Al | 0 | $0 | 0.00% | −18,607−100.0% | Sold out |
| PDT Partners, LLC | 0 | $0 | 0.00% | −16,915−100.0% | Sold out |
| Telemetry Investments, L.L.C. | 0 | $0 | 0.00% | −14,500−100.0% | Sold out |
| LMR Partners LLP | 0 | $0 | 0.00% | −14,139−100.0% | Sold out |
| Fox Run Management, L.L.C. | 0 | $0 | 0.00% | −12,823−100.0% | Sold out |
| Dark Forest Capital Management LP | 0 | $0 | 0.00% | −1,696−100.0% | Sold out |
| Carmichael Hill & Associates, Inc. | 0 | $0 | 0.00% | −729−100.0% | Sold out |