Altimmune, Inc. (ALT) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

89,418,028Shares Outstanding
69,171,293Shares held by institutions
$210,972,444Value of institutional holdings
77.36%Institutional ownership %
62.96%Shares Changed QoQ
169No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

Altimmune, Inc. (NASDAQ:ALT) appears in 180 institutional 13F filings for the quarter ending December 2025.

331 Institutional Holders

69,171,293 Total Shares Held
Download Data
Owner Name Date Shares Held Change (QoQ) Change (%) Value (USD)
BlackRock, Inc. 31 Mar, 2026 12,795,277 3,090,979 31.85% $39,409,453.00
BlackRock, Inc. 31 Mar, 2026 9,704,298 3,331,039 52.27% $35,032,515.00
VANGUARD GROUP INC 31 Mar, 2026 9,491,159 3,117,521 48.91% $34,263,084.00
State Street Corp 31 Mar, 2026 7,145,550 2,025,847 39.57% $22,008,294.00
VANGUARD CAPITAL MANAGEMENT LLC 31 Mar, 2026 5,658,049 5,658,049 0.00% $17,426,791.00
VANGUARD PORTFOLIO MANAGEMENT LLC 31 Mar, 2026 5,382,002 5,382,002 0.00% $16,576,566.00
State Street Corp 31 Mar, 2026 5,119,703 1,518,448 42.16% $18,482,128.00
MARSHALL WACE, LLP 31 Mar, 2026 4,017,901 3,095,124 335.41% $12,375,135.00
MILLENNIUM MANAGEMENT LLC 31 Mar, 2026 3,258,191 3,050,808 1,471.10% $10,035,228.00
GEODE CAPITAL MANAGEMENT, LLC 31 Mar, 2026 3,107,096 814,686 35.54% $9,572,306.00
Goldman Sachs Group Inc 31 Mar, 2026 2,698,586 2,136,329 379.96% $9,741,896.00
Alyeska Investment Group, L.P. 31 Mar, 2026 2,644,600 2,644,600 0.00% $8,145,368.00
TWO SIGMA INVESTMENTS, LP 31 Mar, 2026 2,478,900 1,213,217 95.85% $7,635,012.00
Nuveen, LLC 31 Mar, 2026 2,334,601 1,090,390 87.64% $7,190,571.00
GEODE CAPITAL MANAGEMENT, LLC 31 Mar, 2026 2,292,410 275,025 13.63% $8,277,782.00
TANG CAPITAL MANAGEMENT LLC 31 Mar, 2026 2,131,307 0 0.00% $7,694,018.00
JANE STREET GROUP, LLC 31 Mar, 2026 1,783,950 1,503,751 536.67% $6,440,060.00
SUSQUEHANNA INTERNATIONAL GROUP, LLP 31 Mar, 2026 1,369,017 -5,165 -0.38% $4,942,151.00
Morgan Stanley 31 Mar, 2026 1,359,885 -131,164 -8.80% $4,909,186.00
Goldman Sachs Group Inc 31 Mar, 2026 1,350,649 -1,347,937 -49.95% $4,159,999.00