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 |
|---|---|---|---|---|---|
| BlackRock Inc. | 3,786,916 | $9.85M | 0.00% | +122,642+3.3% | Added |
| Nuveen Asset Management, LLC | 3,446,778 | $8.96M | 0.00% | −12,171−0.4% | Reduced |
| Vanguard Group Inc | 3,344,295 | $8.70M | 0.00% | +38,323+1.2% | Added |
| Tang Capital Management LLC | 2,750,000 | $7.15M | 1.01% | 00.0% | Unchanged |
| Marshall Wace, LLP | 1,798,740 | $4.68M | 0.01% | −260,550−12.7% | Reduced |
| Avidity Partners Management LP | 1,159,900 | $3.02M | 0.12% | −14,200−1.2% | Reduced |
| Geode Capital Management, LLC | 1,053,336 | $2.74M | 0.00% | +83,475+8.6% | Added |
| Ardsley Advisory Partners LP | 992,050 | $2.58M | 0.70% | −50,000−4.8% | Reduced |
| Balyasny Asset Management LLC | 947,578 | $2.46M | 0.01% | +248,051+35.5% | Added |
| Two Sigma Advisers, LP | 937,000 | $2.44M | 0.01% | −20,800−2.2% | Reduced |
| State Street Corp | 870,881 | $2.26M | 0.00% | +66,808+8.3% | Added |
| Laurion Capital Management LP | 809,685 | $2.11M | 0.06% | −1,029,919−56.0% | Reduced |
| D. E. Shaw & Co., Inc. | 730,732 | $1.90M | 0.00% | +226,494+44.9% | Added |
| Two Sigma Investments, LP | 667,420 | $1.74M | 0.00% | −319,400−32.4% | Reduced |
| Morgan Stanley | 484,058 | $1.26M | 0.00% | −596,540−55.2% | Reduced |
| Northern Trust Corp | 450,410 | $1.17M | 0.00% | +27,974+6.6% | Added |
| Gsa Capital Partners LLP | 445,868 | $1.16M | 0.10% | +269,676+153.1% | Added |
| Beirne Wealth Consulting Services, LLC | 249,420 | $880.5K | 0.70% | 00.0% | Unchanged |
| Prudential Financial Inc | 333,255 | $866.5K | 0.00% | +333,255 | New |
| Renaissance Technologies LLC | 330,900 | $860.0K | 0.00% | −327,800−49.8% | Reduced |
| Ensign Peak Advisors, Inc | 326,777 | $849.6K | 0.00% | 00.0% | Unchanged |
| Nomura Holdings Inc | 273,100 | $710.1K | 0.01% | 00.0% | Unchanged |
| Dark Forest Capital Management LP | 230,353 | $598.9K | 0.05% | +27,210+13.4% | Added |
| XTX Topco Ltd | 204,998 | $533.0K | 0.09% | +204,998 | New |
| Dimensional Fund Advisors LP | 189,251 | $491.9K | 0.00% | −67,003−26.1% | Reduced |
| Barclays PLC | 180,409 | $469.1K | 0.00% | +69,014+62.0% | Added |
| Bank of New York Mellon Corp | 178,907 | $465.2K | 0.00% | −15,216−7.8% | Reduced |
| Qube Research & Technologies Ltd | 178,697 | $464.6K | 0.00% | −731,542−80.4% | Reduced |
| Group One Trading, L.P. | 166,650 | $433.3K | 0.02% | +56,439+51.2% | Added |
| Wells Fargo & Company | 141,651 | $368.3K | 0.00% | +105,411+290.9% | Added |
| Charles Schwab Investment Management Inc | 133,395 | $346.8K | 0.00% | 00.0% | Unchanged |
| Bridgeway Capital Management, LLC | 131,700 | $342.4K | 0.01% | 00.0% | Unchanged |
| Goldman Sachs Group Inc | 122,483 | $318.5K | 0.00% | −50,689−29.3% | Reduced |
| DCF Advisers, LLC | 119,975 | $311.9K | 0.22% | 00.0% | Unchanged |
| Citadel Advisors LLC | 119,404 | $310.4K | 0.00% | −211,425−63.9% | Reduced |
| Susquehanna International Group, LLP | 113,766 | $295.8K | 0.00% | −65,252−36.4% | Reduced |
| Gagnon Securities LLC | 111,522 | $290.0K | 0.07% | +111,522 | New |
| Silvercrest Asset Management Group LLC | 103,500 | $269.1K | 0.00% | 00.0% | Unchanged |
| OrbiMed Advisors LLC | 100,000 | $260.0K | 0.01% | 00.0% | Unchanged |
| Millennium Management LLC | 97,233 | $252.8K | 0.00% | −844,861−89.7% | Reduced |
| Platinum Investment Management Ltd | 95,081 | $247.2K | 0.01% | 00.0% | Unchanged |
| Graham Capital Management, L.P. | 94,105 | $244.7K | 0.01% | −49,324−34.4% | Reduced |
| Rhumbline Advisers | 77,363 | $201.1K | 0.00% | +2,291+3.1% | Added |
| Simplex Trading, LLC | 68,998 | $179.0K | 0.01% | +20,662+42.7% | Added |
| FMR LLC | 67,047 | $174.3K | 0.00% | +66,263+8,451.9% | Added |
| Bank of America Corp | 60,499 | $157.3K | 0.00% | −21,174−25.9% | Reduced |
| JPMorgan Chase & Co | 60,328 | $156.9K | 0.00% | −53,864−47.2% | Reduced |
| Jane Street Group, LLC | 58,949 | $153.3K | 0.00% | −231,327−79.7% | Reduced |
| Man Group plc | – | $150.1K | 0.00% | – | – |
| Alliancebernstein L.P. | 47,140 | $122.6K | 0.00% | 00.0% | Unchanged |
| Cubist Systematic Strategies, LLC | 46,153 | $120.0K | 0.00% | −102,249−68.9% | Reduced |
| LMR Partners LLP | 44,508 | $115.7K | 0.00% | +44,508 | New |
| SG Americas Securities, LLC | 43,086 | $112.0K | 0.00% | +16,661+63.1% | Added |
| Commonwealth Equity Services, LLC | 41,010 | $107.0K | 0.00% | +3,945+10.6% | Added |
| Alps Advisors Inc | 38,878 | $101.1K | 0.00% | +2,645+7.3% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 34,052 | $88.5K | 0.00% | −132,309−79.5% | Reduced |
| Invesco Ltd. | 33,029 | $85.9K | 0.00% | +4,956+17.7% | Added |
| Deutsche Bank AG | 30,428 | $79.1K | 0.00% | +30,428 | New |
| 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 |
| Mirae Asset Global Investments Co., Ltd. | 28,352 | $73.7K | 0.00% | +124+0.4% | Added |
| MetLife Investment Management | 26,315 | $68.4K | 0.00% | 00.0% | Unchanged |
| American International Group, Inc. | 24,669 | $64.1K | 0.00% | +878+3.7% | Added |
| New York State Common Retirement Fund | 24,620 | $64.0K | 0.00% | +520+2.2% | Added |
| UBS Group AG | 24,256 | $63.1K | 0.00% | +5,694+30.7% | Added |
| Engineers Gate Manager LP | 23,355 | $60.7K | 0.00% | −4,120−15.0% | Reduced |
| Aviva PLC | 22,954 | $59.7K | 0.00% | 00.0% | Unchanged |
| American Century Companies Inc | 21,264 | $55.3K | 0.00% | +10,093+90.4% | Added |
| MML Investors Services, LLC | 21,071 | $55.0K | 0.00% | −1,743−7.6% | Reduced |
| Manufacturers Life Insurance Company, The | 20,569 | $53.5K | 0.00% | 00.0% | Unchanged |
| Walleye Trading LLC | 20,000 | $52.0K | 0.00% | −16,230−44.8% | Reduced |
| Voya Investment Management LLC | 19,629 | $51.0K | 0.00% | 00.0% | Unchanged |
| Miracle Mile Advisors, LLC | 17,000 | $44.2K | 0.00% | +17,000 | New |
| Quantbot Technologies LP | 15,300 | $39.8K | 0.00% | +15,300 | New |
| Brave Asset Management Inc | 15,000 | $39.0K | 0.01% | +15,000 | New |
| Keudell/Morrison Wealth Management | 14,000 | $36.4K | 0.01% | +14,000 | New |
| Vahanian & Associates Financial Planning Inc. | 13,760 | $35.8K | 0.11% | +13,760 | New |
| Prelude Capital Management, LLC | 12,600 | $32.8K | 0.00% | +12,600 | New |
| WealthPLAN Partners, LLC | 11,931 | $31.0K | 0.00% | 00.0% | Unchanged |
| California State Teachers Retirement System | 10,907 | $28.4K | 0.00% | −5,536−33.7% | Reduced |
| Ameriprise Financial Inc | 10,891 | $28.3K | 0.00% | −764−6.6% | Reduced |
| Price T Rowe Associates Inc | 10,047 | $27.0K | 0.00% | −15,600−60.8% | Reduced |
| Eagle Ridge Investment Management | 10,373 | $27.0K | 0.00% | 00.0% | Unchanged |
| Corton Capital Inc. | 10,202 | $26.5K | 0.01% | −30,911−75.2% | Reduced |
| EWG Elevate Inc. | 10,000 | $26.0K | 0.01% | −16,000−61.5% | Reduced |
| Royal Bank of Canada | 8,390 | $22.0K | 0.00% | −10,648−55.9% | Reduced |
| BNP Paribas Arbitrage, SA | 6,777 | $17.6K | 0.00% | −4,833−41.6% | Reduced |
| Tower Research Capital LLC (TRC) | 6,165 | $16.0K | 0.00% | −20,592−77.0% | Reduced |
| AdvisorNet Financial, Inc | 6,089 | $15.8K | 0.00% | 00.0% | Unchanged |
| Amalgamated Bank | 4,808 | $13.0K | 0.00% | 00.0% | Unchanged |
| Legal & General Group Plc | 4,722 | $12.3K | 0.00% | 00.0% | Unchanged |
| Citigroup Inc | 4,665 | $12.1K | 0.00% | −11,024−70.3% | Reduced |
| Ameritas Investment Partners, Inc. | 4,082 | $10.6K | 0.00% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 3,441 | $8.95K | 0.00% | −4,393−56.1% | Reduced |
| Metropolitan Life Insurance Co | 2,727 | $7.09K | 0.00% | 00.0% | Unchanged |
| Federated Hermes, Inc. | 2,135 | $5.55K | 0.00% | +1,927+926.4% | Added |
| China Universal Asset Management Co., Ltd. | 1,354 | $3.52K | 0.00% | +708+109.6% | Added |
| Cutler Group LP | 1,500 | $3.00K | 0.00% | −900−37.5% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 1,076 | $2.80K | 0.00% | −172−13.8% | Reduced |
| Godsey & Gibb Associates | 611 | $1.59K | 0.00% | 00.0% | Unchanged |