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Altimmune Inc
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2.840USD
-0.140-4.70%
Close 07-31 16:00（ET）Quotes delayed by 15 min
552.31MMarket Cap
LossP/E TTM
Shareholding Stats
Updated: Thu, May 14
Updated: Thu, May 14
Shareholders
Shareholder Types
Shareholders
Shareholders
Proportion
Deep Track Capital LP
9.91%
BlackRock Institutional Trust Company, N.A.
4.04%
State Street Investment Management (US)
3.68%
Viking Global Investors LP
3.45%
RA Capital Management, LP
3.35%
Other
75.57%
Shareholders
Shareholders
Proportion
Deep Track Capital LP
9.91%
BlackRock Institutional Trust Company, N.A.
4.04%
State Street Investment Management (US)
3.68%
Viking Global Investors LP
3.45%
RA Capital Management, LP
3.35%
Other
75.57%
Shareholder Types
Shareholders
Proportion
Investment Advisor
18.22%
Hedge Fund
14.76%
Investment Advisor/Hedge Fund
11.03%
Venture Capital
3.35%
Research Firm
2.65%
Individual Investor
0.41%
Bank and Trust
0.23%
Pension Fund
0.03%
Insurance Company
0.02%
Other
49.30%
Institutional Shareholding
Updated: Wed, Apr 1
Updated: Wed, Apr 1
Reporting Period
No. of institutions
Shares Held
Proportion
Change
2026Q1
416
57.72M
30.53%
+4.64M
2025Q4
397
42.20M
45.25%
+62.13K
2025Q3
414
42.28M
51.76%
+3.92M
2025Q2
414
38.35M
59.50%
-499.87K
2025Q1
418
38.87M
69.79%
-15.45M
2024Q4
424
41.24M
78.28%
+1.10M
2024Q3
424
40.14M
86.96%
-2.89M
2024Q2
422
42.99M
89.21%
-1.89M
2024Q1
404
45.12M
79.71%
-11.40M
2023Q4
374
33.97M
69.19%
+3.12M
View more
Shareholder Activity
Name
Shares Held
Proportion
Change
Chg %
Date
BlackRock Institutional Trust Company, N.A.
7.85M
6.04%
+2.05M
+35.43%
Dec 31, 2025
State Street Investment Management (US)
5.12M
3.94%
+1.52M
+42.16%
Dec 31, 2025
Nuveen LLC
1.24M
0.95%
+1.04M
+516.93%
Dec 31, 2025
Geode Capital Management, L.L.C.
2.29M
1.76%
+275.02K
+13.63%
Dec 31, 2025
View more
Related ETFs
Updated: Sat, Dec 6
Updated: Sat, Dec 6
Name
Proportion
Invesco NASDAQ Future Gen 200 ETF
0.57%
Virtus LifeSci Biotech Clinical Trials ETF
0.38%
State Street SPDR S&P Biotech ETF
0.15%
Fidelity Enhanced Small Cap ETF
0.09%
Direxion Daily S&P Biotech Bull 3X Shares
0.09%
iShares Micro-Cap ETF
0.06%
ProShares Ultra Nasdaq Biotechnology
0.04%
iShares Biotechnology ETF
0.03%
Invesco Nasdaq Biotechnology ETF
0.03%
iShares Russell 2000 Growth ETF
0.02%
View more
Invesco NASDAQ Future Gen 200 ETF
Proportion0.57%
Virtus LifeSci Biotech Clinical Trials ETF
Proportion0.38%
State Street SPDR S&P Biotech ETF
Proportion0.15%
Fidelity Enhanced Small Cap ETF
Proportion0.09%
Direxion Daily S&P Biotech Bull 3X Shares
Proportion0.09%
iShares Micro-Cap ETF
Proportion0.06%
ProShares Ultra Nasdaq Biotechnology
Proportion0.04%
iShares Biotechnology ETF
Proportion0.03%
Invesco Nasdaq Biotechnology ETF
Proportion0.03%
iShares Russell 2000 Growth ETF
Proportion0.02%