Renaissance Technologies (RenTech)'s ALT Position Overview
Renaissance Technologies (RenTech) (via Renaissance Technologies LLC) currently holds 71,600 shares of Altimmune, Inc. (ALT) worth $217,664, representing 0.00% of the portfolio. First purchased in 2018-Q3, this medium-term investment has been held for 20 quarters.
Based on 13F filings, Renaissance Technologies (RenTech) has maintained a strategic position in ALT, demonstrating sustained confidence in this investment. Largest addition occurred in Q1 2020, adding 443,656 shares. Largest reduction occurred in Q4 2020, reducing 1.02 M shares.
Analysis based on 13F filings available since 2013 Q2
Renaissance Technologies (RenTech)'s Altimmune (ALT) Holding Value Over Time
Track share changes against reported price movement
Quarterly Altimmune (ALT) Trades by Renaissance Technologies (RenTech)
| Report Date | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q2 2026 | +71,600 | New Buy | 71,600 | $3.04 |
| Q4 2023 | -330,900 | Sold Out | 0 | $0.00 |
| Q3 2023 | -327,800 | Reduce 49.76% | 330,900 | $2.60 |
| Q2 2023 | +382,400 | Add 138.40% | 658,700 | $0.00 |
| Q1 2023 | -231,700 | Reduce 45.61% | 276,300 | $0.00 |
| Q4 2022 | -490,200 | Reduce 49.11% | 508,000 | $0.02 |
| Q3 2022 | +332,800 | Add 50.02% | 998,200 | $12.77 |
| Q2 2022 | +276,700 | Add 71.19% | 665,400 | $11.70 |
| Q1 2022 | +321,900 | Add 481.89% | 388,700 | $6.09 |
| Q4 2021 | +66,800 | New Buy | 66,800 | $9.16 |
| Q4 2020 | -1.02 M | Sold Out | 0 | $0.00 |
| Q3 2020 | +98,800 | Add 10.67% | 1.02 M | $13.20 |
| Q2 2020 | +308,700 | Add 50.03% | 925,707 | $10.71 |
| Q1 2020 | +443,656 | Add 255.93% | 617,007 | $3.21 |
| Q4 2019 | +129,736 | Add 297.46% | 173,351 | $1.89 |
| Q3 2019 | +43,615 | New Buy | 43,615 | $1.95 |
| Q2 2019 | -109,306 | Sold Out | 0 | $0.00 |
| Q1 2019 | -85,200 | Reduce 43.80% | 109,306 | $2.90 |
| Q4 2018 | +152,205 | Add 359.81% | 194,506 | $2.06 |
| Q3 2018 | +42,301 | New Buy | 42,301 | $4.40 |
Renaissance Technologies (RenTech)'s Altimmune Investment FAQs
Renaissance Technologies (RenTech) first purchased Altimmune, Inc. (ALT) in Q3 2018, acquiring 42,301 shares, as reported in their 13F filing for that period. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Renaissance Technologies (RenTech) has held Altimmune, Inc. (ALT) for 20 quarters since Q3 2018.
Renaissance Technologies (RenTech)'s largest addition to Altimmune, Inc. (ALT) was in Q1 2020, adding 617,007 shares worth $1.98 M.
According to the latest 13F filing for Q2 2026, Renaissance Technologies (RenTech)'s firm, Renaissance Technologies LLC, owns 71,600 shares of Altimmune, Inc. (ALT), valued at approximately $217,664.
As of the Q2 2026 filing, Altimmune, Inc. (ALT) represents approximately 0.00% of Renaissance Technologies (RenTech)'s publicly disclosed stock portfolio, making it one of their key holdings.
Renaissance Technologies (RenTech)'s peak holding in Altimmune, Inc. (ALT) was 1,024,507 shares, as reported at the end of Q3 2020.