Two Sigma Securities, LLC
- SEC CIK
- 0001450144
- Latest filing
- Aug 14, 2026
ALT holding history
Altimmune, Inc. in every 13F filed by Two Sigma Securities, LLC, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.
ALT overviewAll 13F holders of ALTFull Q2 2026 holdings
- Shares (Q2 2026)
- 25,435
- Value
- $77.3K
- % of portfolio
- <0.1%
- Quarters held
- 5
- Since Q1 2023
| Quarter | Shares | Value | % of portfolio | Share change | Action | All holders |
|---|---|---|---|---|---|---|
| Q2 2026 | 25,435 | $77.3K | <0.1% | +25,435 | New | Holders |
| Q1 2026 | 0 | $0 | 0.0% | −12,274−100.0% | Sold out | Holders |
| Q4 2025 | 12,274 | $44.3K | <0.1% | +1,024+9.1% | Added | Holders |
| Q3 2025 | 11,250 | $42.4K | <0.1% | −6,861−37.9% | Reduced | Holders |
| Q2 2025 | 18,111 | $70.1K | <0.1% | +18,111 | New | Holders |
| Q2 2023 | 0 | $0 | 0.0% | −33,495−100.0% | Sold out | Holders |
| Q1 2023 | 33,495 | $141.3K | <0.1% | +33,495 | New | Holders |