NasdaqGM - Nasdaq Real Time Price
USD
Altimmune, Inc. (ALT)
2.0400
-0.1000
(-4.67%)
At close: October 30 at 4:00:02 PM EDT
2.1200
+0.0800
(+3.92%)
Pre-Market: 8:17:00 AM EST
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Learn moreRecent transactions
Powered by Yahoo ScoutAltimmune, Inc. (ALT)reported 1 insider transaction: a purchaseby Jerome Benedict Dursototaling $44,250.00on August 13, 2026. Total verified transaction value: $44,250.00across 15,000 shares.
Major Holders
| Breakdown | |
|---|---|
| 0.43% | % of Shares Held by All Insider |
| 77.93% | % of Shares Held by Institutions |
| 78.27% | % of Float Held by Institutions |
| 275 | Number of Institutions Holding Shares |
Top Institutional Holders
| Holder | Shares | Date Reported | % Out | Value |
|---|---|---|---|---|
|
Blackrock Inc.
|
20.39M | Jun 30, 2026 | 10.48% | 41,585,978 |
|
Deep Track Capital, Lp
|
19.25M | Jun 30, 2026 | 9.90% | 39,269,999 |
|
State Street Corporation
|
12.1M | Jun 30, 2026 | 6.22% | 24,681,021 |
|
TCG Crossover Management, LLC
|
10M | Jun 30, 2026 | 5.14% | 20,399,999 |
|
Vanguard Capital Management LLC
|
8.18M | Jun 30, 2026 | 4.20% | 16,682,613 |
|
Vanguard Portfolio Management LLC
|
7.33M | Jun 30, 2026 | 3.77% | 14,953,740 |
|
Marshall Wace LLP
|
6.84M | Jun 30, 2026 | 3.52% | 13,955,751 |
|
Viking Global Investors, L.P.
|
6.7M | Jun 30, 2026 | 3.44% | 13,667,999 |
|
RA Capital Management, L.P.
|
6.5M | Jun 30, 2026 | 3.34% | 13,259,999 |
|
Geode Capital Management, LLC
|
5.01M | Jun 30, 2026 | 2.58% | 10,223,080 |
Top Mutual Fund Holders
| Holder | Shares | Date Reported | % Out | Value |
|---|---|---|---|---|
|
VANGUARD INDEX FUNDS-Vanguard Total Stock Market Index Fund
|
5.75M | Jun 30, 2026 | 2.96% | 11,727,492 |
|
iShares Trust-iShares Russell 2000 ETF
|
4.97M | Sep 30, 2026 | 2.56% | 10,145,495 |
|
SPDR SERIES TRUST-State Street SPDR S&P Biotech ETF
|
4.45M | Sep 30, 2026 | 2.29% | 9,079,127 |
|
VANGUARD HORIZON FUNDS-Vanguard Strategic Equity Fund
|
2.52M | Jun 30, 2026 | 1.30% | 5,140,055 |
|
VANGUARD INDEX FUNDS-Vanguard Extended Market Index Fund
|
2.24M | Jun 30, 2026 | 1.15% | 4,561,882 |
|
Fidelity Salem Street Trust-Fidelity Small Cap Index Fund
|
2.17M | Jul 31, 2026 | 1.12% | 4,433,927 |
|
iShares Trust-iShares Russell 2000 Value ETF
|
1.79M | Sep 30, 2026 | 0.92% | 3,658,001 |
|
Fidelity Commonwealth Trust II-Fidelity Enhanced Small Cap Core ETF
|
1.45M | Sep 30, 2026 | 0.75% | 2,957,383 |
|
iShares Trust-iShares Biotechnology ETF
|
1.47M | Sep 30, 2026 | 0.75% | 2,990,880 |
|
BlackRock Funds-BlackRock Advantage Small Cap Core Fund
|
1.36M | Aug 31, 2026 | 0.70% | 2,772,145 |
