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 2023
Institutional positions in Altimmune, Inc. as of Dec 31, 2023. 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
- 143
- +30 vs. Q3 2023
- Shares held
- 33.5M
- +3.21M (+10.6%) vs. Q3 2023
- Total value
- $377.1M
- +$297.9M (+376.2%) vs. Q3 2023
- New holders
- 56
- 41 more added
- Sold out
- 26
- 24 more reduced
Compare with Q3 2023: 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 2023
Shares, value and share of portfolio for each institution holding Altimmune, Inc.; share changes are against Q3 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| WealthPLAN Partners, LLC | 11,070 | $124.5K | 0.01% | −861−7.2% | Reduced |
| Keudell/Morrison Wealth Management | 10,940 | $123.1K | 0.04% | −3,060−21.9% | Reduced |
| Jump Financial, LLC | 10,660 | $119.9K | 0.00% | +10,660 | New |
| Tower Research Capital LLC (TRC) | 10,592 | $119.2K | 0.00% | +4,427+71.8% | Added |
| Eagle Ridge Investment Management | 10,373 | $116.7K | 0.01% | 00.0% | Unchanged |
| Vahanian & Associates Financial Planning Inc. | 10,000 | $112.5K | 0.44% | −3,760−27.3% | Reduced |
| GWM Advisors LLC | 10,000 | $112.5K | 0.00% | +10,000 | New |
| Independent Advisor Alliance | 10,000 | $112.5K | 0.00% | +10,000 | New |
| Horizon Wealth Management, LLC | 10,000 | $112.5K | 0.03% | +10,000 | New |
| Deuterium Capital Management, LLC | 10,000 | $112.5K | 0.38% | +10,000 | New |
| California State Teachers Retirement System | 8,698 | $97.9K | 0.00% | −2,209−20.3% | Reduced |
| Citigroup Inc | 7,577 | $85.2K | 0.00% | +2,912+62.4% | Added |
| AdvisorNet Financial, Inc | 6,089 | $68.5K | 0.01% | 00.0% | Unchanged |
| Ameritas Investment Partners, Inc. | 5,470 | $61.5K | 0.00% | +1,388+34.0% | Added |
| Legal & General Group Plc | 4,385 | $49.3K | 0.00% | −337−7.1% | Reduced |
| Amalgamated Bank | 4,312 | $49.0K | 0.00% | −496−10.3% | Reduced |
| Russell Investments Group, Ltd. | 4,303 | $48.4K | 0.00% | +3,959+1,150.9% | Added |
| FNY Investment Advisers, LLC | 3,171 | $35.0K | 0.04% | +3,171 | New |
| Metropolitan Life Insurance Co | 2,727 | $30.7K | 0.00% | 00.0% | Unchanged |
| Cutler Group LP | 2,200 | $24.0K | 0.00% | +700+46.7% | Added |
| The PNC Financial Services Group, Inc. | 1,914 | $21.5K | 0.00% | +1,542+414.5% | Added |
| Banque Cantonale Vaudoise | 1,500 | $17.0K | 0.00% | +1,500 | New |
| Steward Partners Investment Advisory, LLC | 1,000 | $11.3K | 0.00% | +1,000 | New |
| Godsey & Gibb Associates | 611 | $6.87K | 0.00% | 00.0% | Unchanged |
| Main Street Group, LTD | 447 | $5.03K | 0.00% | +447 | New |
| Leonteq Securities AG | 300 | $3.38K | 0.00% | +300 | New |
| Fifth Third Bancorp | 250 | $2.81K | 0.00% | 00.0% | Unchanged |
| Naples Money Management LLC | 250 | $2.81K | 0.00% | +250 | New |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 142 | $1.60K | 0.00% | −934−86.8% | Reduced |
| Federated Hermes, Inc. | 121 | $1.36K | 0.00% | −2,014−94.3% | Reduced |
| Nisa Investment Advisors, LLC | 113 | $1.27K | 0.00% | 00.0% | Unchanged |
| Proequities, Inc. | 100 | $1.13K | 0.00% | 00.0% | Unchanged |
| Harbour Investments, Inc. | 100 | $1.13K | 0.00% | 00.0% | Unchanged |
| Northwestern Mutual Wealth Management Co | 100 | $1.13K | 0.00% | 00.0% | Unchanged |
| Advisory Services Network, LLC | 100 | $1.13K | 0.00% | +100 | New |
| Global Retirement Partners, LLC | 100 | $1.08K | 0.00% | +100 | New |
| Parallel Advisors, LLC | 40 | $450 | 0.00% | 00.0% | Unchanged |
| Whittier Trust Co | 24 | $270 | 0.00% | +24 | New |
| Farther Finance Advisors, LLC | 19 | $214 | 0.00% | +19 | New |
| First Horizon Advisors, Inc. | 3 | $34 | 0.00% | 00.0% | Unchanged |
| Huntington National Bank | 2 | $23 | 0.00% | 00.0% | Unchanged |
| Team Financial Group, LLC | 2 | $23 | 0.00% | 00.0% | Unchanged |
| Cornerstone Planning Group LLC | 1 | $11 | 0.00% | 00.0% | Unchanged |
| Avidity Partners Management LP | 0 | $0 | 0.00% | −1,159,900−100.0% | Sold out |
| Balyasny Asset Management LLC | 0 | $0 | 0.00% | −947,578−100.0% | Sold out |
| Two Sigma Advisers, LP | 0 | $0 | 0.00% | −937,000−100.0% | Sold out |
| Laurion Capital Management LP | 0 | $0 | 0.00% | −809,685−100.0% | Sold out |
| Two Sigma Investments, LP | 0 | $0 | 0.00% | −667,420−100.0% | Sold out |
| Prudential Financial Inc | 0 | $0 | 0.00% | −333,255−100.0% | Sold out |
| Renaissance Technologies LLC | 0 | $0 | 0.00% | −330,900−100.0% | Sold out |
| Nomura Holdings Inc | 0 | $0 | 0.00% | −273,100−100.0% | Sold out |
| Dark Forest Capital Management LP | 0 | $0 | 0.00% | −230,353−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −204,998−100.0% | Sold out |
| Qube Research & Technologies Ltd | 0 | $0 | 0.00% | −178,697−100.0% | Sold out |
| Citadel Advisors LLC | 0 | $0 | 0.00% | −119,404−100.0% | Sold out |
| OrbiMed Advisors LLC | 0 | $0 | 0.00% | −100,000−100.0% | Sold out |
| Platinum Investment Management Ltd | 0 | $0 | 0.00% | −95,081−100.0% | Sold out |
| Graham Capital Management, L.P. | 0 | $0 | 0.00% | −94,105−100.0% | Sold out |
| Man Group plc | 0 | $0 | 0.00% | – | Sold out |
| Alps Advisors Inc | 0 | $0 | 0.00% | −38,878−100.0% | Sold out |
| Connor, Clark & Lunn Investment Management Ltd. | 0 | $0 | 0.00% | −34,052−100.0% | Sold out |
| Dynamic Technology Lab Private Ltd | 0 | $0 | 0.00% | −30,260−100.0% | Sold out |
| Mirae Asset Global Investments Co., Ltd. | 0 | $0 | 0.00% | −28,352−100.0% | Sold out |
| Engineers Gate Manager LP | 0 | $0 | 0.00% | −23,355−100.0% | Sold out |
| Quantbot Technologies LP | 0 | $0 | 0.00% | −15,300−100.0% | Sold out |
| Prelude Capital Management, LLC | 0 | $0 | 0.00% | −12,600−100.0% | Sold out |
| Corton Capital Inc. | 0 | $0 | 0.00% | −10,202−100.0% | Sold out |
| China Universal Asset Management Co., Ltd. | 0 | $0 | 0.00% | −1,354−100.0% | Sold out |
| Daiwa Securities Group Inc. | 0 | $0 | 0.00% | −136−100.0% | Sold out |