Altimmune Ownership | Who Owns Altimmune?
Altimmune Ownership Summary
Altimmune is owned by 3.00% institutional investors, 0.76% insiders, and 96.24% retail investors. Blackrock funding, inc. /de is the largest institutional shareholder, holding 8.66% of ALT shares. Vanguard US Total Market Shares ETF is the top mutual fund, with 3.36% of its assets in Altimmune shares.
ALT Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Altimmune | 3.00% | 0.76% | 96.24% |
| Sector | Healthcare Stocks | 279.19% | 10.58% | -189.76% |
| Industry | Biotech Stocks | 63.97% | 10.68% | 25.35% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Blackrock funding, inc. /de | 6.16M | 8.66% | $44.41M |
| Ameriprise financial | 5.25M | 7.39% | $37.89M |
| Vanguard group | 4.43M | 6.23% | $31.95M |
| State street | 3.47M | 4.88% | $25.02M |
| Tang capital management | 2.75M | 3.87% | $19.83M |
| Geode capital management | 1.66M | 2.33% | $11.96M |
| Knoll capital management | 1.12M | 1.48% | $5.61M |
| Millennium management | 1.11M | 1.47% | $5.56M |
| Bellevue group | 945.45K | 1.33% | $6.82M |
| Ubs group | 719.55K | 1.01% | $5.19M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Knoll capital management | 1.12M | 3.65% | $5.61M |
| Gerber | 281.78K | 1.48% | $2.03M |
| Tang capital management | 2.75M | 1.31% | $19.83M |
| Beirne wealth consulting services | 294.46K | 0.77% | $2.12M |
| Kraematon investment advisors | 30.79K | 0.22% | $221.96K |
| Bellevue group | 945.45K | 0.13% | $6.82M |
| Brown wealth management | 50.00K | 0.13% | $360.50K |
| Summit financial wealth advisors | 99.49K | 0.13% | $640.70K |
| Wealth effects | 32.85K | 0.08% | $236.85K |
| Hennion & walsh asset management | 205.59K | 0.07% | $1.48M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Ameriprise financial | 5.25M | 0.01% | 1.38M |
| Millennium management | 1.11M | 0.00% | 765.66K |
| Blackrock funding, inc. /de | 6.16M | 0.00% | 693.21K |
| Ubs group | 719.55K | 0.00% | 437.10K |
| Invesco | 247.09K | 0.00% | 215.38K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Capital fund management | - | - | -726.83K |
| Vanguard group | 4.43M | 0.00% | -552.25K |
| Ensign peak advisors | - | - | -454.98K |
| Susquehanna group, llp | 500.92K | 0.00% | -426.04K |
| Goldman sachs group | 526.17K | 0.00% | -406.65K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Marshall wace, llp | 65.52K | 0.00% | 65.52K | $472.38K |
| Baird financial group | 59.44K | 0.00% | 59.44K | $428.56K |
| Kraematon investment advisors | 30.79K | 0.22% | 30.79K | $221.96K |
| Resources investment advisors, llc. | 24.48K | 0.00% | 24.48K | $176.48K |
| Walleye trading | 18.98K | 0.00% | 18.98K | $136.81K |
Sold Out
| Holder | Change |
|---|---|
| Capital performance advisors llp | -11.00 |
| Eversource wealth advisors | -12.00 |
| Quantbot technologies lp | -60.00 |
| Advisornet financial | -100.00 |
| First command advisory services | -250.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Mar 31, 2025 | 7 | -96.55% | 2,264,429 | -94.40% | 2 | 0.09% | 2 | -98.15% | 2 | -95.12% |
| Dec 31, 2024 | 197 | 8.84% | 39,287,627 | -0.54% | 55 | 1.79% | 104 | 25.30% | 41 | -4.65% |
| Sep 30, 2024 | 180 | -4.26% | 39,499,260 | -6.80% | 55 | 1.56% | 83 | -17.82% | 43 | -6.52% |
| Jun 30, 2024 | 188 | 2.73% | 42,381,900 | -4.54% | 59 | 1.04% | 101 | -4.72% | 46 | 12.20% |
| Mar 31, 2024 | 183 | 22.00% | 44,397,217 | 33.58% | 75 | 1.98% | 106 | 10.42% | 41 | 78.26% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| Vanguard US Total Market Shares ETF | 2.58M | 3.36% | - |
| Vanguard Total Stock Mkt Idx Inv | 2.24M | 2.87% | - |
| iShares Russell 2000 ETF | 1.85M | 2.28% | 906.00 |
| SPDR® S&P Biotech ETF | 1.62M | 2.00% | 2.10K |
| Vanguard Institutional Extnd Mkt Idx Tr | 1.14M | 1.47% | 2.33K |
| CT (Lux) American Smaller Com 9U USD | 830.56K | 1.08% | -2.54M |
| Fidelity Small Cap Index | 708.11K | 0.92% | - |
| Bellevue Healthcare Ord | 600.00K | 0.84% | 600.00K |
| CT American Smaller Coms(US) InstAccGBP | 468.27K | 0.61% | -1.49M |
| iShares Biotechnology ETF | 473.82K | 0.58% | -2.22K |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Mar 17, 2025 | Sohn Catherine A. | - | Buy | $5.78K |
| Mar 13, 2025 | WEAVER GREGORY L | Chief Financial Officer | Buy | $52.00K |
| Aug 19, 2024 | Drutz David | - | Sell | $56.31K |
| Aug 19, 2024 | Drutz David | - | Sell | $54.24K |
| Aug 15, 2023 | Drutz David | - | Buy | $862.50 |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2025 Q1 | 2 | - |
| 2024 Q4 | - | - |
| 2024 Q3 | - | 2 |
| 2024 Q2 | - | - |
| 2024 Q1 | - | - |
ALT Ownership FAQ
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