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 2023
Institutional positions in Altimmune, Inc. as of Sep 30, 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
- 113
- −6 vs. Q2 2023
- Shares held
- 30.3M
- −4.88M (−13.9%) vs. Q2 2023
- Total value
- $79.2M
- −$45.0M (−36.3%) vs. Q2 2023
- New holders
- 16
- 27 more added
- Sold out
- 22
- 40 more reduced
1 institution that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2023
Shares, value and share of portfolio for each institution holding Altimmune, Inc.; share changes are against Q2 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Daiwa Securities Group Inc. | 136 | $0 | 0.00% | 00.0% | Unchanged |
| Cornerstone Planning Group LLC | 1 | $3 | 0.00% | +1 | New |
| Huntington National Bank | 2 | $5 | 0.00% | −1,838−99.9% | Reduced |
| Team Financial Group, LLC | 2 | $5 | 0.00% | +2 | New |
| First Horizon Advisors, Inc. | 3 | $8 | 0.00% | −110−97.3% | Reduced |
| Parallel Advisors, LLC | 40 | $104 | 0.00% | 00.0% | Unchanged |
| Proequities, Inc. | 100 | $260 | 0.00% | 00.0% | Unchanged |
| Harbour Investments, Inc. | 100 | $260 | 0.00% | 00.0% | Unchanged |
| Northwestern Mutual Wealth Management Co | 100 | $260 | 0.00% | 00.0% | Unchanged |
| Nisa Investment Advisors, LLC | 113 | $294 | 0.00% | +113 | New |
| Fifth Third Bancorp | 250 | $650 | 0.00% | 00.0% | Unchanged |
| Russell Investments Group, Ltd. | 344 | $894 | 0.00% | +344 | New |
| The PNC Financial Services Group, Inc. | 372 | $967 | 0.00% | −1,102−74.8% | Reduced |
| Godsey & Gibb Associates | 611 | $1.59K | 0.00% | 00.0% | Unchanged |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 1,076 | $2.80K | 0.00% | −172−13.8% | Reduced |
| Cutler Group LP | 1,500 | $3.00K | 0.00% | −900−37.5% | Reduced |
| China Universal Asset Management Co., Ltd. | 1,354 | $3.52K | 0.00% | +708+109.6% | Added |
| Federated Hermes, Inc. | 2,135 | $5.55K | 0.00% | +1,927+926.4% | Added |
| Metropolitan Life Insurance Co | 2,727 | $7.09K | 0.00% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 3,441 | $8.95K | 0.00% | −4,393−56.1% | Reduced |
| Ameritas Investment Partners, Inc. | 4,082 | $10.6K | 0.00% | 00.0% | Unchanged |
| Citigroup Inc | 4,665 | $12.1K | 0.00% | −11,024−70.3% | Reduced |
| Legal & General Group Plc | 4,722 | $12.3K | 0.00% | 00.0% | Unchanged |
| Amalgamated Bank | 4,808 | $13.0K | 0.00% | 00.0% | Unchanged |
| AdvisorNet Financial, Inc | 6,089 | $15.8K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 6,165 | $16.0K | 0.00% | −20,592−77.0% | Reduced |
| BNP Paribas Arbitrage, SA | 6,777 | $17.6K | 0.00% | −4,833−41.6% | Reduced |
| Royal Bank of Canada | 8,390 | $22.0K | 0.00% | −10,648−55.9% | Reduced |
| EWG Elevate Inc. | 10,000 | $26.0K | 0.01% | −16,000−61.5% | Reduced |
| Corton Capital Inc. | 10,202 | $26.5K | 0.01% | −30,911−75.2% | Reduced |
| Eagle Ridge Investment Management | 10,373 | $27.0K | 0.00% | 00.0% | Unchanged |
| Price T Rowe Associates Inc | 10,047 | $27.0K | 0.00% | −15,600−60.8% | Reduced |
| Ameriprise Financial Inc | 10,891 | $28.3K | 0.00% | −764−6.6% | Reduced |
| California State Teachers Retirement System | 10,907 | $28.4K | 0.00% | −5,536−33.7% | Reduced |
| WealthPLAN Partners, LLC | 11,931 | $31.0K | 0.00% | 00.0% | Unchanged |
| Prelude Capital Management, LLC | 12,600 | $32.8K | 0.00% | +12,600 | New |
| Vahanian & Associates Financial Planning Inc. | 13,760 | $35.8K | 0.11% | +13,760 | New |
| Keudell/Morrison Wealth Management | 14,000 | $36.4K | 0.01% | +14,000 | New |
| Brave Asset Management Inc | 15,000 | $39.0K | 0.01% | +15,000 | New |
| Quantbot Technologies LP | 15,300 | $39.8K | 0.00% | +15,300 | New |
| Miracle Mile Advisors, LLC | 17,000 | $44.2K | 0.00% | +17,000 | New |
| Voya Investment Management LLC | 19,629 | $51.0K | 0.00% | 00.0% | Unchanged |
| Walleye Trading LLC | 20,000 | $52.0K | 0.00% | −16,230−44.8% | Reduced |
| Manufacturers Life Insurance Company, The | 20,569 | $53.5K | 0.00% | 00.0% | Unchanged |
| MML Investors Services, LLC | 21,071 | $55.0K | 0.00% | −1,743−7.6% | Reduced |
| American Century Companies Inc | 21,264 | $55.3K | 0.00% | +10,093+90.4% | Added |
| Aviva PLC | 22,954 | $59.7K | 0.00% | 00.0% | Unchanged |
| Engineers Gate Manager LP | 23,355 | $60.7K | 0.00% | −4,120−15.0% | Reduced |
| UBS Group AG | 24,256 | $63.1K | 0.00% | +5,694+30.7% | Added |
| New York State Common Retirement Fund | 24,620 | $64.0K | 0.00% | +520+2.2% | Added |
| American International Group, Inc. | 24,669 | $64.1K | 0.00% | +878+3.7% | Added |
| MetLife Investment Management | 26,315 | $68.4K | 0.00% | 00.0% | Unchanged |
| Mirae Asset Global Investments Co., Ltd. | 28,352 | $73.7K | 0.00% | +124+0.4% | Added |
| Dynamic Technology Lab Private Ltd | 30,260 | $78.0K | 0.01% | +15,704+107.9% | Added |
| Timelo Investment Management Inc. | 30,000 | $78.0K | 0.22% | +30,000 | New |
| Deutsche Bank AG | 30,428 | $79.1K | 0.00% | +30,428 | New |
| Invesco Ltd. | 33,029 | $85.9K | 0.00% | +4,956+17.7% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 34,052 | $88.5K | 0.00% | −132,309−79.5% | Reduced |
| Alps Advisors Inc | 38,878 | $101.1K | 0.00% | +2,645+7.3% | Added |
| Commonwealth Equity Services, LLC | 41,010 | $107.0K | 0.00% | +3,945+10.6% | Added |
| SG Americas Securities, LLC | 43,086 | $112.0K | 0.00% | +16,661+63.1% | Added |
| LMR Partners LLP | 44,508 | $115.7K | 0.00% | +44,508 | New |
| Cubist Systematic Strategies, LLC | 46,153 | $120.0K | 0.00% | −102,249−68.9% | Reduced |
| Alliancebernstein L.P. | 47,140 | $122.6K | 0.00% | 00.0% | Unchanged |
| Man Group plc | – | $150.1K | 0.00% | – | – |
| Jane Street Group, LLC | 58,949 | $153.3K | 0.00% | −231,327−79.7% | Reduced |
| JPMorgan Chase & Co | 60,328 | $156.9K | 0.00% | −53,864−47.2% | Reduced |
| Bank of America Corp | 60,499 | $157.3K | 0.00% | −21,174−25.9% | Reduced |
| FMR LLC | 67,047 | $174.3K | 0.00% | +66,263+8,451.9% | Added |
| Simplex Trading, LLC | 68,998 | $179.0K | 0.01% | +20,662+42.7% | Added |
| Rhumbline Advisers | 77,363 | $201.1K | 0.00% | +2,291+3.1% | Added |
| Graham Capital Management, L.P. | 94,105 | $244.7K | 0.01% | −49,324−34.4% | Reduced |
| Platinum Investment Management Ltd | 95,081 | $247.2K | 0.01% | 00.0% | Unchanged |
| Millennium Management LLC | 97,233 | $252.8K | 0.00% | −844,861−89.7% | Reduced |
| OrbiMed Advisors LLC | 100,000 | $260.0K | 0.01% | 00.0% | Unchanged |
| Silvercrest Asset Management Group LLC | 103,500 | $269.1K | 0.00% | 00.0% | Unchanged |
| Gagnon Securities LLC | 111,522 | $290.0K | 0.07% | +111,522 | New |
| Susquehanna International Group, LLP | 113,766 | $295.8K | 0.00% | −65,252−36.4% | Reduced |
| Citadel Advisors LLC | 119,404 | $310.4K | 0.00% | −211,425−63.9% | Reduced |
| DCF Advisers, LLC | 119,975 | $311.9K | 0.22% | 00.0% | Unchanged |
| Goldman Sachs Group Inc | 122,483 | $318.5K | 0.00% | −50,689−29.3% | Reduced |
| Bridgeway Capital Management, LLC | 131,700 | $342.4K | 0.01% | 00.0% | Unchanged |
| Charles Schwab Investment Management Inc | 133,395 | $346.8K | 0.00% | 00.0% | Unchanged |
| Wells Fargo & Company | 141,651 | $368.3K | 0.00% | +105,411+290.9% | Added |
| Group One Trading, L.P. | 166,650 | $433.3K | 0.02% | +56,439+51.2% | Added |
| Qube Research & Technologies Ltd | 178,697 | $464.6K | 0.00% | −731,542−80.4% | Reduced |
| Bank of New York Mellon Corp | 178,907 | $465.2K | 0.00% | −15,216−7.8% | Reduced |
| Barclays PLC | 180,409 | $469.1K | 0.00% | +69,014+62.0% | Added |
| Dimensional Fund Advisors LP | 189,251 | $491.9K | 0.00% | −67,003−26.1% | Reduced |
| XTX Topco Ltd | 204,998 | $533.0K | 0.09% | +204,998 | New |
| Dark Forest Capital Management LP | 230,353 | $598.9K | 0.05% | +27,210+13.4% | Added |
| Nomura Holdings Inc | 273,100 | $710.1K | 0.01% | 00.0% | Unchanged |
| Ensign Peak Advisors, Inc | 326,777 | $849.6K | 0.00% | 00.0% | Unchanged |
| Renaissance Technologies LLC | 330,900 | $860.0K | 0.00% | −327,800−49.8% | Reduced |
| Prudential Financial Inc | 333,255 | $866.5K | 0.00% | +333,255 | New |
| Beirne Wealth Consulting Services, LLC | 249,420 | $880.5K | 0.70% | 00.0% | Unchanged |
| Gsa Capital Partners LLP | 445,868 | $1.16M | 0.10% | +269,676+153.1% | Added |
| Northern Trust Corp | 450,410 | $1.17M | 0.00% | +27,974+6.6% | Added |
| Morgan Stanley | 484,058 | $1.26M | 0.00% | −596,540−55.2% | Reduced |
| Two Sigma Investments, LP | 667,420 | $1.74M | 0.00% | −319,400−32.4% | Reduced |