Altimmune Ownership | Who Owns Altimmune?


OverviewForecastRevenueFinancialsChartTranscripts

Altimmune Ownership Summary


Altimmune is owned by 55.27% institutional investors, 0.82% insiders, and 43.91% retail investors. Blackrock funding, inc. /de is the largest institutional shareholder, holding 8.66% of ALT shares. CT (Lux) American Smaller Com 9U USD is the top mutual fund, with 4.40% of its assets in Altimmune shares.

ALT Ownership Benchmark


TypeName% Inst% Insiders% Retail
StockAltimmune55.27%0.82%43.91%
SectorHealthcare Stocks 57.43%9.41%33.16%
IndustryBiotech Stocks 69.02%8.92%22.06%

Institutional Shareholders


Top Institutional Shareholders by Total Shares

HolderShares% HoldingValue
Blackrock funding, inc. /de6.16M8.66%$44.41M
Ameriprise financial5.25M7.39%$37.89M
Vanguard group4.43M6.23%$31.95M
State street3.47M4.88%$25.02M
Tang capital management2.75M3.87%$19.83M
Geode capital management1.66M2.33%$11.96M
Bellevue group945.45K1.33%$6.82M
Ubs group719.55K1.01%$5.19M
Dimensional fund advisors lp633.44K0.89%$4.57M
Two sigma investments, lp605.30K0.85%$4.36M

Top Institutional Shareholders by % of Total Assets

HolderShares% AssetsValue
Gerber281.78K1.48%$2.03M
Tang capital management2.75M1.31%$19.83M
Beirne wealth consulting services294.46K0.77%$2.12M
Kraematon investment advisors30.79K0.22%$221.96K
Bellevue group945.45K0.13%$6.82M
Brown wealth management50.00K0.13%$360.50K
Summit financial wealth advisors99.49K0.13%$640.70K
Wealth effects32.85K0.08%$236.85K
Hennion & walsh asset management205.59K0.07%$1.48M
Gsa capital partners llp82.96K0.04%$598.00K

Top Buyers

HolderShares% AssetsChange
Ameriprise financial5.25M0.01%1.38M
Blackrock funding, inc. /de6.16M0.00%693.21K
Ubs group719.55K0.00%437.10K
Millennium management345.64K0.00%241.48K
Invesco247.09K0.00%215.38K

Top Sellers

HolderShares% AssetsChange
Capital fund management---726.83K
Vanguard group4.43M0.00%-552.25K
Susquehanna group, llp500.92K0.00%-426.04K
Goldman sachs group526.17K0.00%-406.65K
D. e. shaw459.83K0.00%-298.17K

New Positions

HolderShares% AssetsChangeValue
Colony group122.54K0.00%122.54K$883.51K
Marshall wace, llp65.52K0.00%65.52K$472.38K
Peak661.95K0.00%61.95K$446.64K
Baird financial group59.44K0.00%59.44K$428.56K
Kraematon investment advisors30.79K0.22%30.79K$221.96K

Sold Out

HolderChange
Capital performance advisors llp-11.00
Advisornet financial-100.00
First command advisory services-250.00
Harbour investments-310.00
Newsquare capital-500.00

Institutional Ownership Trends


DateHoldingsChange %SharesChange %OwnershipChange %Increased PositionChange %Decreased PositionChange %
Dec 31, 20241978.84%39,287,627-0.54%551.79%10425.30%41-4.65%
Sep 30, 2024180-4.26%39,499,260-6.80%551.56%83-17.82%43-6.52%
Jun 30, 20241882.73%42,381,900-4.54%591.04%101-4.72%4612.20%
Mar 31, 202418322.00%44,397,21733.58%751.98%10610.42%4178.26%
Dec 31, 202315025.00%33,236,1309.54%611.73%96104.26%23-41.03%

Top Mutual Funds Shareholders


HolderShares% HoldingChange
CT (Lux) American Smaller Com 9U USD3.13M4.40%794.96K
Vanguard Total Stock Mkt Idx Inv2.24M3.15%-
CT American Smaller Coms(US) InstAccGBP1.95M2.74%174.76K
iShares Russell 2000 ETF1.85M2.60%-36.16K
SPDR® S&P Biotech ETF1.69M2.37%12.76K
Vanguard Institutional Extnd Mkt Idx Tr1.12M1.58%334.00
Fidelity Small Cap Index721.37K1.01%-5.34K
Bellevue Healthcare Ord600.00K0.84%600.00K
iShares Biotechnology ETF434.17K0.61%-3.76K
International Biotechnology Ord428.32K0.60%-45.54K

Recent Insider Transactions


DateNameRoleActivityValue
Mar 13, 2025WEAVER GREGORY L Chief Financial OfficerBuy$52.00K
Aug 19, 2024Drutz David-Sell$56.31K
Aug 19, 2024Drutz David-Sell$54.24K
Aug 15, 2023Drutz David-Buy$862.50
Aug 12, 2022GILL JOHN-Sell$40.71K

Insider Transactions Trends


DateBuySell
2025 Q1--
2024 Q4--
2024 Q3-2
2024 Q2--
2024 Q1--

ALT Ownership FAQ


Who Owns Altimmune?

Altimmune shareholders are primarily institutional investors at 55.27%, followed by 0.82% insiders and 43.91% retail investors. The average institutional ownership in Altimmune's industry, Biotech Stocks , is 69.02%, which Altimmune falls below.

Who owns the most shares of Altimmune?

Altimmune’s largest shareholders are Blackrock funding, inc. /de (6.16M shares, 8.66%), Ameriprise financial (5.25M shares, 7.39%), and Vanguard group (4.43M shares, 6.23%). Together, they hold 22.29% of Altimmune’s total shares outstanding.

Does Blackrock own Altimmune?

BlackRock is not among the top 10 institutional shareholders of Altimmune.

Who is Altimmune’s biggest shareholder by percentage of total assets invested?

Gerber is Altimmune’s biggest shareholder by percentage of total assets invested, with 1.48% of its assets in 281.78K Altimmune shares, valued at 2.03M$.

Who is the top mutual fund holder of Altimmune shares?

CT (Lux) American Smaller Com 9U USD is the top mutual fund holder of Altimmune shares, with 4.40% of its total shares outstanding invested in 3.13M Altimmune shares.

Try Tickergate Pro Free

Customize Everything. 100% Flexibility. Fast and Easy to Use (No code or Excel Needed)

  • Customize your own personal stocks lists, views and charts

  • Choose from hundreds of fields, up to 15 years of history

  • Conduct deep comparison analysis

  • Discover trending investment themes

  • Find your next best investment

  • Research stocks using tools