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 2022
Institutional positions in Altimmune, Inc. as of Sep 30, 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
- 122
- +11 vs. Q2 2022
- Shares held
- 46.0M
- +6.14M (+15.4%) vs. Q2 2022
- Total value
- $588.1M
- +$121.2M (+26.0%) vs. Q2 2022
- New holders
- 40
- 39 more added
- Sold out
- 29
- 27 more reduced
Compare with Q2 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, Q3 2022
Shares, value and share of portfolio for each institution holding Altimmune, Inc.; share changes are against Q2 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Janus Henderson Group PLC | 4,121,814 | $52.6M | 0.04% | +4,121,814 | New |
| Cormorant Asset Management, LP | 3,442,863 | $44.0M | 3.09% | +442,863+14.8% | Added |
| State Street Corp | 3,398,856 | $43.4M | 0.00% | +3,263,310+2,407.5% | Added |
| Nuveen Asset Management, LLC | 3,213,900 | $41.0M | 0.02% | +149,620+4.9% | Added |
| Avidity Partners Management LP | 2,684,000 | $34.3M | 0.75% | −297,000−10.0% | Reduced |
| Tang Capital Management LLC | 2,600,450 | $33.2M | 4.07% | −1,000,000−27.8% | Reduced |
| Vanguard Group Inc | 2,027,042 | $25.9M | 0.00% | +301,496+17.5% | Added |
| Baker Bros. Advisors LP | 1,769,681 | $22.6M | 0.15% | −305,722−14.7% | Reduced |
| Driehaus Capital Management LLC | 1,222,586 | $15.6M | 0.24% | +282,525+30.1% | Added |
| BlackRock Inc. | 1,219,300 | $15.6M | 0.00% | +257,116+26.7% | Added |
| Marshall Wace, LLP | 1,098,914 | $14.0M | 0.04% | +828,584+306.5% | Added |
| Balyasny Asset Management LLC | 1,037,662 | $13.3M | 0.05% | +831,193+402.6% | Added |
| Woodline Partners LP | 1,018,091 | $13.0M | 0.19% | +467,406+84.9% | Added |
| Renaissance Technologies LLC | 998,200 | $12.7M | 0.02% | +332,800+50.0% | Added |
| Two Sigma Investments, LP | 977,647 | $12.5M | 0.04% | +362,029+58.8% | Added |
| Ardsley Advisory Partners LP | 927,950 | $11.8M | 3.13% | −411,050−30.7% | Reduced |
| Two Sigma Advisers, LP | 868,800 | $11.1M | 0.03% | +102,200+13.3% | Added |
| Laurion Capital Management LP | 750,105 | $9.58M | 0.27% | −13,865−1.8% | Reduced |
| Logos Global Management LP | 750,000 | $9.58M | 1.18% | +750,000 | New |
| Goldman Sachs Group Inc | 735,744 | $9.39M | 0.00% | +230,988+45.8% | Added |
| JPMorgan Chase & Co | 651,028 | $8.31M | 0.00% | +490,455+305.4% | Added |
| Sphera Funds Management Ltd. | 600,298 | $7.67M | 1.36% | −792,586−56.9% | Reduced |
| Morgan Stanley | 591,910 | $7.56M | 0.00% | −782,114−56.9% | Reduced |
| Millennium Management LLC | 505,727 | $6.46M | 0.01% | −318,921−38.7% | Reduced |
| Boxer Capital, LLC | 500,000 | $6.38M | 0.36% | +500,000 | New |
| Geode Capital Management, LLC | 476,067 | $6.08M | 0.00% | +96,236+25.3% | Added |
| Ikarian Capital, LLC | 472,054 | $6.03M | 3.01% | −425,305−47.4% | Reduced |
| Ghost Tree Capital, LLC | 435,000 | $5.55M | 2.27% | +435,000 | New |
| VR Adviser, LLC | 369,306 | $4.72M | 0.73% | 00.0% | Unchanged |
| Rafferty Asset Management, LLC | 300,331 | $3.83M | 0.04% | +300,331 | New |
| Beirne Wealth Consulting Services, LLC | 282,820 | $3.61M | 1.37% | −1,827−0.6% | Reduced |
| Citigroup Inc | 272,106 | $3.48M | 0.00% | −617,364−69.4% | Reduced |
| Sectoral Asset Management Inc | 269,100 | $3.44M | 0.68% | +119,100+79.4% | Added |
| Bank of America Corp | 262,204 | $3.35M | 0.00% | +197,231+303.6% | Added |
| Jane Street Group, LLC | 230,563 | $2.94M | 0.01% | +186,349+421.5% | Added |
| DCF Advisers, LLC | 229,000 | $2.92M | 2.16% | −106,180−31.7% | Reduced |
| Rock Springs Capital Management LP | 223,255 | $2.85M | 0.07% | +223,255 | New |
| EAM Investors, LLC | 205,167 | $2.62M | 0.57% | +10,896+5.6% | Added |
| Candriam Luxembourg S.C.A. | 200,000 | $2.55M | 0.02% | +200,000 | New |
| Barclays PLC | 187,964 | $2.40M | 0.00% | −877,583−82.4% | Reduced |
| Jennison Associates LLC | 181,530 | $2.32M | 0.00% | +72,066+65.8% | Added |
| Granite Point Capital Management, L.P. | 180,000 | $2.30M | 2.41% | +180,000 | New |
| Susquehanna International Group, LLP | 175,287 | $2.24M | 0.00% | +175,287 | New |
| Dimensional Fund Advisors LP | 174,373 | $2.23M | 0.00% | +51,009+41.3% | Added |
| Knoll Capital Management, LLC | 173,864 | $2.22M | 1.30% | +40,886+30.7% | Added |
| Cubist Systematic Strategies, LLC | 170,947 | $2.18M | 0.02% | +71,582+72.0% | Added |
| Tri Locum Partners LP | 157,303 | $2.01M | 0.57% | −417,343−72.6% | Reduced |
| Simplex Trading, LLC | 137,743 | $1.76M | 0.07% | +12,481+10.0% | Added |
| Price T Rowe Associates Inc | 134,614 | $1.72M | 0.00% | +99,014+278.1% | Added |
| Citadel Advisors LLC | 129,251 | $1.65M | 0.00% | −1,018,607−88.7% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 127,562 | $1.63M | 0.01% | +127,562 | New |
| Acuta Capital Partners, LLC | 125,000 | $1.60M | 0.71% | +125,000 | New |
| Platinum Investment Management Ltd | 118,730 | $1.52M | 0.06% | +61,867+108.8% | Added |
| Northern Trust Corp | 111,389 | $1.42M | 0.00% | +9,600+9.4% | Added |
| Silverarc Capital Management, LLC | 100,469 | $1.28M | 0.54% | +100,469 | New |
| Boothbay Fund Management, LLC | 86,911 | $1.11M | 0.04% | −41,372−32.3% | Reduced |
| EAM Global Investors LLC | 84,821 | $1.08M | 0.29% | −41,174−32.7% | Reduced |
| BNP Paribas Arbitrage, SA | 82,339 | $1.05M | 0.00% | +81,194+7,091.2% | Added |
| Bank of New York Mellon Corp | 73,096 | $934.0K | 0.00% | +24,051+49.0% | Added |
| Silvercrest Asset Management Group LLC | 62,500 | $798.0K | 0.01% | 00.0% | Unchanged |
| Picton Mahoney Asset Management | 58,350 | $744.0K | 0.03% | +58,350 | New |
| Schonfeld Strategic Advisors LLC | 58,102 | $742.0K | 0.01% | −120,898−67.5% | Reduced |
| Ensign Peak Advisors, Inc | 57,300 | $732.0K | 0.00% | +57,300 | New |
| UBS Group AG | 56,277 | $718.0K | 0.00% | +55,769+10,978.1% | Added |
| J. Goldman & Co LP | 55,935 | $714.0K | 0.05% | +55,935 | New |
| Caption Management, LLC | 55,000 | $703.0K | 0.12% | +36,193+192.4% | Added |
| Legal & General Group Plc | 53,547 | $684.0K | 0.00% | +53,547 | New |
| Gsa Capital Partners LLP | 42,621 | $544.0K | 0.07% | −70,296−62.3% | Reduced |
| FMR LLC | 40,713 | $520.0K | 0.00% | +39,920+5,034.0% | Added |
| Skandinaviska Enskilda Banken AB (publ) | 40,793 | $520.0K | 0.00% | +40,793 | New |
| Campbell & CO Investment Adviser LLC | 39,317 | $502.0K | 0.11% | +39,317 | New |
| Group One Trading, L.P. | 38,591 | $493.0K | 0.02% | −150,483−79.6% | Reduced |
| ClariVest Asset Management LLC | 38,100 | $487.0K | 0.02% | −6,500−14.6% | Reduced |
| Wolverine Trading, LLC | 38,227 | $482.0K | 0.02% | +14,085+58.3% | Added |
| Advisory Research Inc | 35,150 | $448.0K | 0.04% | +35,150 | New |
| Qube Research & Technologies Ltd | 34,579 | $442.0K | 0.00% | +34,579 | New |
| Weiss Multi-Strategy Advisers LLC | 32,600 | $416.0K | 0.01% | +32,600 | New |
| Raymond James & Associates | 31,710 | $405.0K | 0.00% | +31,710 | New |
| Bank of Montreal | 20,065 | $391.0K | 0.00% | +20,065 | New |
| IMC-Chicago, LLC | 30,014 | $383.0K | 0.03% | +30,014 | New |
| Tower Research Capital LLC (TRC) | 29,136 | $373.0K | 0.01% | +23,098+382.5% | Added |
| Atom Investors LP | 26,818 | $342.0K | 0.12% | −53,128−66.5% | Reduced |
| Alps Advisors Inc | 26,779 | $342.0K | 0.00% | +1,142+4.5% | Added |
| Cutler Group LP | 25,561 | $326.0K | 0.04% | +25,561 | New |
| Bayesian Capital Management, LP | 25,409 | $324.0K | 0.07% | +25,409 | New |
| Quantbot Technologies LP | 22,538 | $287.0K | 0.02% | +22,538 | New |
| E Fund Management Co., Ltd. | 20,640 | $264.0K | 0.02% | +20,640 | New |
| CSS LLC | 20,546 | $262.0K | 0.02% | +20,546 | New |
| SEI Investments Co | 20,263 | $259.0K | 0.00% | +20,263 | New |
| MML Investors Services, LLC | 20,000 | $255.0K | 0.00% | 00.0% | Unchanged |
| Tudor Investment Corp Et Al | 18,607 | $238.0K | 0.01% | +18,607 | New |
| Vahanian & Associates Financial Planning Inc. | 17,380 | $222.0K | 0.76% | +17,380 | New |
| Charles Schwab Investment Management Inc | 17,274 | $221.0K | 0.00% | 00.0% | Unchanged |
| PDT Partners, LLC | 16,915 | $216.0K | 0.03% | −39,351−69.9% | Reduced |
| Commonwealth Equity Services, LLC | 16,549 | $211.0K | 0.00% | +16,549 | New |
| ETF Managers Group, LLC | 14,467 | $185.0K | 0.01% | +812+5.9% | Added |
| Telemetry Investments, L.L.C. | 14,500 | $185.0K | 0.30% | +1,500+11.5% | Added |
| LMR Partners LLP | 14,139 | $181.0K | 0.00% | 00.0% | Unchanged |
| SG Americas Securities, LLC | 14,062 | $180.0K | 0.00% | +575+4.3% | Added |
| Algert Global LLC | 13,280 | $170.0K | 0.01% | +13,280 | New |