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 2025
Institutional positions in Altimmune, Inc. as of Jun 30, 2025. 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
- 180
- +4 vs. Q1 2025
- Shares held
- 37.6M
- −579.0K (−1.5%) vs. Q1 2025
- Total value
- $145.5M
- −$45.7M (−23.9%) vs. Q1 2025
- New holders
- 38
- 72 more added
- Sold out
- 34
- 39 more reduced
1 institution that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2025: 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 2025
Shares, value and share of portfolio for each institution holding Altimmune, Inc.; share changes are against Q1 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Cornerstone Planning Group LLC | 1 | $4 | 0.00% | 00.0% | Unchanged |
| Huntington National Bank | 2 | $8 | 0.00% | 00.0% | Unchanged |
| First Horizon Advisors, Inc. | 3 | $12 | 0.00% | 00.0% | Unchanged |
| Twin Peaks Wealth Advisors, LLC | 13 | $47 | 0.00% | +13 | New |
| Bernard Wealth Management Corp. | 15 | $59 | 0.00% | 00.0% | Unchanged |
| Farther Finance Advisors, LLC | 19 | $74 | 0.00% | 00.0% | Unchanged |
| Tradewinds Capital Management, LLC | 20 | $78 | 0.00% | +20 | New |
| Principal Securities, Inc. | 35 | $135 | 0.00% | +35 | New |
| Parallel Advisors, LLC | 40 | $155 | 0.00% | 00.0% | Unchanged |
| CoreCap Advisors, LLC | 71 | $275 | 0.00% | 00.0% | Unchanged |
| Parkside Financial Bank & Trust | 105 | $407 | 0.00% | +105 | New |
| EverSource Wealth Advisors, LLC | 120 | $464 | 0.00% | +120 | New |
| Northwestern Mutual Wealth Management Co | 168 | $650 | 0.00% | +68+68.0% | Added |
| Sterling Capital Management LLC | 187 | $724 | 0.00% | −412−68.8% | Reduced |
| Allworth Financial LP | 190 | $736 | 0.00% | +190 | New |
| Rothschild Investment LLC | 195 | $755 | 0.00% | +30+18.2% | Added |
| IFP Advisors, Inc | 200 | $774 | 0.00% | −1−0.5% | Reduced |
| Ameritas Advisory Services, LLC | 200 | $774 | 0.00% | +200 | New |
| Versant Capital Management, Inc | 230 | $890 | 0.00% | −963−80.7% | Reduced |
| Fifth Third Bancorp | 250 | $968 | 0.00% | 00.0% | Unchanged |
| Daiwa Securities Group Inc. | 235 | $1.00K | 0.00% | 00.0% | Unchanged |
| ZRC Wealth Management, LLC | 286 | $1.11K | 0.00% | 00.0% | Unchanged |
| Signaturefd, LLC | 318 | $1.23K | 0.00% | +181+132.1% | Added |
| GAMMA Investing LLC | 327 | $1.26K | 0.00% | −1,022−75.8% | Reduced |
| Nisa Investment Advisors, LLC | 376 | $1.46K | 0.00% | +9+2.5% | Added |
| Stone House Investment Management, LLC | 500 | $1.94K | 0.00% | 00.0% | Unchanged |
| Skopos Labs, Inc. | 572 | $2.21K | 0.00% | +572 | New |
| Hollencrest Capital Management | 770 | $2.98K | 0.00% | 00.0% | Unchanged |
| Bessemer Group Inc | 703 | $3.00K | 0.00% | +305+76.6% | Added |
| NBC Securities, Inc. | 1,000 | $3.00K | 0.00% | +1,000 | New |
| Country Trust Bank | 1,000 | $3.87K | 0.00% | +1,000 | New |
| Accordant Advisory Group Inc | 1,000 | $3.87K | 0.00% | +1,000 | New |
| Winnow Wealth LLC | 1,000 | $3.87K | 0.00% | +1,000 | New |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 1,612 | $6.24K | 0.00% | −14,868−90.2% | Reduced |
| SRS Capital Advisors, Inc. | 1,642 | $6.35K | 0.00% | +1,028+167.4% | Added |
| The PNC Financial Services Group, Inc. | 1,689 | $6.54K | 0.00% | +147+9.5% | Added |
| CWM, LLC | 1,891 | $7.00K | 0.00% | +708+59.8% | Added |
| GF Fund Management Co. Ltd. | 1,821 | $7.05K | 0.00% | 00.0% | Unchanged |
| Activest Wealth Management | 2,001 | $7.74K | 0.00% | 00.0% | Unchanged |
| Amalgamated Bank | 2,451 | $9.00K | 0.00% | 00.0% | Unchanged |
| HighTower Advisors, LLC | 2,453 | $9.49K | 0.00% | −2,797−53.3% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 3,133 | $12.1K | 0.00% | +556+21.6% | Added |
| PEAK6 LLC | 3,423 | $13.2K | 0.00% | +3,423 | New |
| GWM Advisors LLC | 3,488 | $13.5K | 0.00% | −21,271−85.9% | Reduced |
| TD Waterhouse Canada Inc. | 3,500 | $14.7K | 0.00% | +3,500 | New |
| US Bancorp | 3,871 | $15.0K | 0.00% | +2,593+202.9% | Added |
| Quarry LP | 4,000 | $15.5K | 0.00% | +4,000 | New |
| UBS Asset Management Americas Inc | 4,215 | $16.3K | 0.00% | −102,657−96.1% | Reduced |
| Russell Investments Group, Ltd. | 4,680 | $18.1K | 0.00% | +476+11.3% | Added |
| California State Teachers Retirement System | 5,146 | $19.9K | 0.00% | −61,276−92.3% | Reduced |
| Larson Financial Group LLC | 5,300 | $20.5K | 0.00% | +300+6.0% | Added |
| Jones Financial Companies LLLP | 6,626 | $23.2K | 0.00% | +993+17.6% | Added |
| Ameritas Investment Partners, Inc. | 6,955 | $26.9K | 0.00% | 00.0% | Unchanged |
| SBI Securities Co., Ltd. | 7,118 | $27.5K | 0.00% | +364+5.4% | Added |
| Legal & General Group Plc | 8,620 | $33.3K | 0.00% | −59,482−87.3% | Reduced |
| Geneos Wealth Management Inc. | 10,000 | $38.7K | 0.00% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 10,095 | $39.1K | 0.00% | +5,253+108.5% | Added |
| Dark Forest Capital Management LP | 10,165 | $39.3K | 0.00% | +10,165 | New |
| Kingswood Wealth Advisors, LLC | 10,400 | $40.2K | 0.00% | +10,400 | New |
| DCF Advisers, LLC | 10,770 | $41.7K | 0.02% | −11,000−50.5% | Reduced |
| Prudential Financial Inc | 11,195 | $43.3K | 0.00% | +11,195 | New |
| 180 Wealth Advisors, LLC | 11,300 | $43.7K | 0.01% | −775−6.4% | Reduced |
| E Fund Management Co., Ltd. | 11,357 | $44.0K | 0.00% | −2,070−15.4% | Reduced |
| PFG Investments, LLC | 12,000 | $46.4K | 0.00% | −5,500−31.4% | Reduced |
| Mercer Global Advisors Inc | 12,868 | $49.8K | 0.00% | +2,121+19.7% | Added |
| Virtus Investment Advisers, Inc. | 13,151 | $50.9K | 0.02% | −5,965−31.2% | Reduced |
| Los Angeles Capital Management LLC | 13,947 | $54.0K | 0.00% | +13,947 | New |
| Bayesian Capital Management, LP | 14,300 | $55.3K | 0.01% | +14,300 | New |
| State Board of Administration of Florida Retirement System | 14,344 | $55.5K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 14,956 | $57.9K | 0.00% | +10,490+234.9% | Added |
| Horizon Wealth Management, LLC | 15,000 | $58.0K | 0.01% | −10,000−40.0% | Reduced |
| Advisory Services Network, LLC | 16,087 | $59.4K | 0.00% | +11,500+250.7% | Added |
| China Universal Asset Management Co., Ltd. | 16,290 | $63.0K | 0.01% | +842+5.5% | Added |
| Police & Firemen's Retirement System of New Jersey | 16,310 | $63.1K | 0.00% | +1,982+13.8% | Added |
| Keudell/Morrison Wealth Management | 16,360 | $63.3K | 0.01% | +16,360 | New |
| Fortis Capital Management LLC | 16,606 | $64.3K | 0.01% | 00.0% | Unchanged |
| North Star Investment Management Corp. | 17,000 | $65.8K | 0.00% | −13,000−43.3% | Reduced |
| Miracle Mile Advisors, LLC | 17,039 | $65.9K | 0.00% | +39+0.2% | Added |
| Advisor Group Holdings, Inc. | 18,081 | $70.0K | 0.00% | −1,607−8.2% | Reduced |
| Two Sigma Securities, LLC | 18,111 | $70.1K | 0.01% | +18,111 | New |
| Cetera Investment Advisers | 18,150 | $70.2K | 0.00% | −4,652−20.4% | Reduced |
| National Asset Management, Inc. | 18,288 | $70.8K | 0.00% | −6,012−24.7% | Reduced |
| SEI Investments Co | 18,421 | $71.3K | 0.00% | +18,421 | New |
| Headlands Technologies LLC | 18,557 | $71.8K | 0.01% | +18,557 | New |
| Cambridge Investment Research Advisors, Inc. | 18,668 | $72.0K | 0.00% | +3,000+19.1% | Added |
| ProShare Advisors LLC | 18,898 | $73.1K | 0.00% | +50+0.3% | Added |
| Quest Partners LLC | 19,820 | $76.7K | 0.01% | 00.0% | Unchanged |
| Vivaldi Capital Management, LLC | 20,000 | $77.4K | 0.01% | 00.0% | Unchanged |
| Sunbelt Securities, Inc. | 10,844 | $78.2K | 0.01% | 00.0% | Unchanged |
| Glenmede Investment Management, LP | 20,465 | $79.2K | 0.00% | +20,465 | New |
| Voya Investment Management LLC | 20,838 | $80.6K | 0.00% | +1,871+9.9% | Added |
| Baader Bank INC | 34,292 | $82.0K | 0.01% | +34,292 | New |
| New York State Common Retirement Fund | 21,447 | $83.0K | 0.00% | 00.0% | Unchanged |
| Profund Advisors LLC | 21,713 | $84.0K | 0.00% | −8,046−27.0% | Reduced |
| Marshall Wace, LLP | 22,100 | $85.5K | 0.00% | −1,146,238−98.1% | Reduced |
| DLD Asset Management, LP | 22,600 | $87.5K | 0.01% | +22,600 | New |
| Resources Investment Advisors, LLC. | 24,147 | $93.4K | 0.00% | +2,557+11.8% | Added |
| Concurrent Investment Advisors, LLC | 25,258 | $97.7K | 0.00% | +3,565+16.4% | Added |
| Raymond James Financial Inc | 25,969 | $100.5K | 0.00% | +11,309+77.1% | Added |
| Farallon Capital Management, L.L.C. | 27,600 | $106.8K | 0.00% | 00.0% | Unchanged |