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, Q2 2023
Institutional positions in Altimmune, Inc. as of Jun 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
- 120
- −12 vs. Q1 2023
- Shares held
- 35.3M
- −8.12M (−18.7%) vs. Q1 2023
- Total value
- $124.5M
- −$80.9M (−39.4%) vs. Q1 2023
- New holders
- 30
- 38 more added
- Sold out
- 42
- 32 more reduced
1 institution that held it in Q1 2023 haven't filed for Q2 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 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, Q2 2023
Shares, value and share of portfolio for each institution holding Altimmune, Inc.; share changes are against Q1 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock Inc. | 3,664,274 | $12.9M | 0.00% | +2,270,219+162.9% | Added |
| Nuveen Asset Management, LLC | 3,458,949 | $12.2M | 0.00% | +190,888+5.8% | Added |
| Vanguard Group Inc | 3,305,972 | $11.7M | 0.00% | +768,251+30.3% | Added |
| Tang Capital Management LLC | 2,750,000 | $9.71M | 1.43% | 00.0% | Unchanged |
| Marshall Wace, LLP | 2,059,290 | $7.27M | 0.02% | +462,160+28.9% | Added |
| Laurion Capital Management LP | 1,839,604 | $6.49M | 0.28% | −1,661,726−47.5% | Reduced |
| Avidity Partners Management LP | 1,174,100 | $4.14M | 0.14% | −141,100−10.7% | Reduced |
| Morgan Stanley | 1,080,598 | $3.81M | 0.00% | +295,077+37.6% | Added |
| Ardsley Advisory Partners LP | 1,042,050 | $3.68M | 0.83% | −405,200−28.0% | Reduced |
| Two Sigma Investments, LP | 986,820 | $3.48M | 0.01% | −57,367−5.5% | Reduced |
| Geode Capital Management, LLC | 969,861 | $3.42M | 0.00% | +487,500+101.1% | Added |
| Two Sigma Advisers, LP | 957,800 | $3.38M | 0.01% | +6,500+0.7% | Added |
| Millennium Management LLC | 942,094 | $3.33M | 0.00% | −126,651−11.9% | Reduced |
| Qube Research & Technologies Ltd | 910,239 | $3.21M | 0.01% | +227,559+33.3% | Added |
| State Street Corp | 804,073 | $2.84M | 0.00% | −4,155,181−83.8% | Reduced |
| Balyasny Asset Management LLC | 699,527 | $2.47M | 0.01% | +208,839+42.6% | Added |
| Renaissance Technologies LLC | 658,700 | $2.33M | 0.00% | +382,400+138.4% | Added |
| D. E. Shaw & Co., Inc. | 504,238 | $1.78M | 0.00% | +504,238 | New |
| Sphera Funds Management Ltd. | 500,000 | $1.76M | 0.38% | +200,000+66.7% | Added |
| Northern Trust Corp | 422,436 | $1.49M | 0.00% | +280,397+197.4% | Added |
| Walleye Capital LLC | 419,783 | $1.48M | 0.03% | +372,544+788.6% | Added |
| Citadel Advisors LLC | 330,829 | $1.17M | 0.00% | −1,713,656−83.8% | Reduced |
| Ensign Peak Advisors, Inc | 326,777 | $1.15M | 0.00% | 00.0% | Unchanged |
| Jane Street Group, LLC | 290,276 | $1.02M | 0.00% | +107,521+58.8% | Added |
| Nomura Holdings Inc | 273,100 | $964.0K | 0.01% | +249,900+1,077.2% | Added |
| Dimensional Fund Advisors LP | 256,254 | $904.5K | 0.00% | −310,247−54.8% | Reduced |
| Beirne Wealth Consulting Services, LLC | 249,420 | $880.5K | 0.70% | 00.0% | Unchanged |
| Rock Springs Capital Management LP | 223,255 | $788.1K | 0.02% | 00.0% | Unchanged |
| Dark Forest Capital Management LP | 203,143 | $717.1K | 0.07% | +159,208+362.4% | Added |
| Bank of New York Mellon Corp | 194,123 | $685.3K | 0.00% | +135,169+229.3% | Added |
| Susquehanna International Group, LLP | 179,018 | $631.9K | 0.00% | −617,704−77.5% | Reduced |
| Gsa Capital Partners LLP | 176,192 | $622.0K | 0.06% | −239,662−57.6% | Reduced |
| Knoll Capital Management, LLC | 173,864 | $613.7K | 0.75% | 00.0% | Unchanged |
| Goldman Sachs Group Inc | 173,172 | $611.3K | 0.00% | −681,887−79.7% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 166,361 | $587.3K | 0.00% | +87,804+111.8% | Added |
| Cubist Systematic Strategies, LLC | 148,402 | $523.9K | 0.01% | +48,934+49.2% | Added |
| Graham Capital Management, L.P. | 143,429 | $506.3K | 0.02% | +143,429 | New |
| Squarepoint Ops LLC | 139,911 | $493.9K | 0.00% | −74,353−34.7% | Reduced |
| Charles Schwab Investment Management Inc | 133,395 | $470.9K | 0.00% | +112,999+554.0% | Added |
| Bridgeway Capital Management, LLC | 131,700 | $464.9K | 0.01% | +131,700 | New |
| DCF Advisers, LLC | 119,975 | $423.5K | 0.29% | +43,000+55.9% | Added |
| JPMorgan Chase & Co | 114,192 | $403.1K | 0.00% | +38,107+50.1% | Added |
| Barclays PLC | 111,395 | $393.2K | 0.00% | −115,466−50.9% | Reduced |
| Group One Trading, L.P. | 110,211 | $389.0K | 0.02% | −8,920−7.5% | Reduced |
| Silvercrest Asset Management Group LLC | 103,500 | $365.4K | 0.00% | 00.0% | Unchanged |
| OrbiMed Advisors LLC | 100,000 | $353.0K | 0.01% | +49,400+97.6% | Added |
| Platinum Investment Management Ltd | 95,081 | $335.6K | 0.01% | 00.0% | Unchanged |
| Bank of America Corp | 81,673 | $288.3K | 0.00% | −564,473−87.4% | Reduced |
| Rhumbline Advisers | 75,072 | $265.0K | 0.00% | +75,072 | New |
| Tekla Capital Management LLC | 75,000 | $264.8K | 0.01% | 00.0% | Unchanged |
| Schonfeld Strategic Advisors LLC | 68,100 | $240.4K | 0.00% | −206,341−75.2% | Reduced |
| Dana Investment Advisors, Inc. | 58,740 | $207.4K | 0.01% | +1,088+1.9% | Added |
| Simplex Trading, LLC | 48,336 | $170.0K | 0.01% | +48,336 | New |
| Alliancebernstein L.P. | 47,140 | $166.4K | 0.00% | +47,140 | New |
| Corton Capital Inc. | 41,113 | $145.1K | 0.07% | +41,113 | New |
| Commonwealth Equity Services, LLC | 37,065 | $131.0K | 0.00% | +6,696+22.0% | Added |
| Wells Fargo & Company | 36,240 | $127.9K | 0.00% | −53,497−59.6% | Reduced |
| Alps Advisors Inc | 36,233 | $127.9K | 0.00% | +3,768+11.6% | Added |
| Walleye Trading LLC | 36,230 | $127.9K | 0.01% | −6,885−16.0% | Reduced |
| Man Group plc | 32,723 | $115.5K | 0.00% | – | – |
| Envestnet Asset Management Inc | 30,986 | $109.4K | 0.00% | +7,984+34.7% | Added |
| Bayesian Capital Management, LP | 30,175 | $106.5K | 0.01% | +1,500+5.2% | Added |
| Mirae Asset Global Investments Co., Ltd. | 28,228 | $99.6K | 0.00% | +7,437+35.8% | Added |
| Invesco Ltd. | 28,073 | $99.1K | 0.00% | +28,073 | New |
| Engineers Gate Manager LP | 27,475 | $97.0K | 0.00% | +27,475 | New |
| Tower Research Capital LLC (TRC) | 26,757 | $94.5K | 0.00% | +6,664+33.2% | Added |
| SG Americas Securities, LLC | 26,425 | $93.0K | 0.00% | +11,223+73.8% | Added |
| MetLife Investment Management | 26,315 | $92.9K | 0.00% | +26,315 | New |
| EWG Elevate Inc. | 26,000 | $91.8K | 0.04% | +26,000 | New |
| Price T Rowe Associates Inc | 25,647 | $91.0K | 0.00% | +5,847+29.5% | Added |
| New York State Common Retirement Fund | 24,100 | $85.1K | 0.00% | +24,100 | New |
| American International Group, Inc. | 23,791 | $84.0K | 0.00% | +23,791 | New |
| Aviva PLC | 22,954 | $81.0K | 0.00% | +22,954 | New |
| UBS Asset Management Americas Inc | 19,200 | $81.0K | 0.00% | 00.0% | Unchanged |
| MML Investors Services, LLC | 22,814 | $81.0K | 0.00% | +674+3.0% | Added |
| Tudor Investment Corp Et Al | 22,501 | $79.4K | 0.00% | +22,501 | New |
| Jump Financial, LLC | 21,249 | $75.0K | 0.00% | −267,451−92.6% | Reduced |
| Delphia (USA) Inc. | 21,205 | $74.9K | 0.12% | +21,205 | New |
| Manufacturers Life Insurance Company, The | 20,569 | $72.6K | 0.00% | +20,569 | New |
| Allspring Global Investments Holdings, LLC | 19,842 | $70.0K | 0.00% | +19,842 | New |
| Voya Investment Management LLC | 19,629 | $69.3K | 0.00% | +19,629 | New |
| Royal Bank of Canada | 19,038 | $66.0K | 0.00% | +7,347+62.8% | Added |
| UBS Group AG | 18,562 | $65.5K | 0.00% | −143,636−88.6% | Reduced |
| State of Wisconsin Investment Board | 18,000 | $63.5K | 0.00% | −26,161−59.2% | Reduced |
| California State Teachers Retirement System | 16,443 | $58.0K | 0.00% | −26,664−61.9% | Reduced |
| Citigroup Inc | 15,689 | $55.4K | 0.00% | −396,861−96.2% | Reduced |
| Dynamic Technology Lab Private Ltd | 14,556 | $51.0K | 0.01% | −27,801−65.6% | Reduced |
| State Board of Administration of Florida Retirement System | 14,030 | $49.5K | 0.00% | +14,030 | New |
| Point72 Middle East FZE | 12,097 | $42.7K | 0.00% | +3,764+45.2% | Added |
| Pitcairn Co | 11,960 | $42.2K | 0.00% | −4,301−26.4% | Reduced |
| WealthPLAN Partners, LLC | 11,931 | $42.1K | 0.01% | 00.0% | Unchanged |
| Aigen Investment Management, LP | 11,712 | $41.3K | 0.01% | +11,712 | New |
| Ameriprise Financial Inc | 11,655 | $41.1K | 0.00% | −1,047−8.2% | Reduced |
| BNP Paribas Arbitrage, SA | 11,610 | $41.0K | 0.00% | −327,566−96.6% | Reduced |
| American Century Companies Inc | 11,171 | $39.4K | 0.00% | +11,171 | New |
| Wolverine Trading, LLC | 10,553 | $36.9K | 0.00% | +10,553 | New |
| Eagle Ridge Investment Management | 10,373 | $36.6K | 0.00% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 7,834 | $27.6K | 0.00% | +3,416+77.3% | Added |
| AdvisorNet Financial, Inc | 6,089 | $21.5K | 0.00% | 00.0% | Unchanged |
| Amalgamated Bank | 4,808 | $17.0K | 0.00% | +4,808 | New |