Jefferies Group's ALT Position Overview
Jefferies Group (via Jefferies Financial Group Inc.) currently holds 110,000 shares of Altimmune, Inc. (ALT) worth $338,800, representing 0.00% of the portfolio. First purchased in 2023-Q4, this medium-term investment has been held for 10 quarters.
Based on 13F filings, Jefferies Group has maintained a strategic position in ALT, demonstrating sustained confidence in this investment. Largest addition occurred in Q4 2025, adding 107,800 shares. Largest reduction occurred in Q1 2024, reducing 216,000 shares.
Analysis based on 13F filings available since 2013 Q2
Jefferies Group's Altimmune (ALT) Holding Value Over Time
Track share changes against reported price movement
Quarterly Altimmune (ALT) Trades by Jefferies Group
| Report Date | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q1 2026 | -47,800 | Reduce 30.29% | 110,000 | $3.08 |
| Q4 2025 | +107,800 | Add 215.60% | 157,800 | $3.61 |
| Q3 2025 | +15,000 | Add 42.86% | 50,000 | $3.77 |
| Q2 2025 | +10,000 | Add 40.00% | 35,000 | $3.87 |
| Q4 2024 | +5,000 | Add 25.00% | 25,000 | $7.21 |
| Q2 2024 | +20,000 | New Buy | 20,000 | $6.65 |
| Q1 2024 | -216,000 | Sold Out | 0 | $0.00 |
| Q4 2023 | +216,000 | New Buy | 216,000 | $11.25 |
Jefferies Group's Altimmune Investment FAQs
Jefferies Group first purchased Altimmune, Inc. (ALT) in Q4 2023, acquiring 216,000 shares, as reported in their 13F filing for that period. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Jefferies Group has held Altimmune, Inc. (ALT) for 10 quarters since Q4 2023.
Jefferies Group's largest addition to Altimmune, Inc. (ALT) was in Q4 2023, adding 216,000 shares worth $2.43 M.
According to the latest 13F filing for Q1 2026, Jefferies Group's firm, Jefferies Financial Group Inc., owns 110,000 shares of Altimmune, Inc. (ALT), valued at approximately $338,800.
As of the Q1 2026 filing, Altimmune, Inc. (ALT) represents approximately 0.00% of Jefferies Group's publicly disclosed stock portfolio, making it one of their key holdings.
Jefferies Group's peak holding in Altimmune, Inc. (ALT) was 216,000 shares, as reported at the end of Q4 2023.