Renaissance Technologies (RenTech)'s KOS Position Overview
Renaissance Technologies (RenTech) (via Renaissance Technologies LLC (Rentech)) currently holds 1.65 M shares of Kosmos Energy Ltd. (KOS) worth $1.5 M, representing 0.00% of the portfolio. First purchased in 2019-Q4, this medium-term investment has been held for 13 quarters.
Based on 13F filings, Renaissance Technologies (RenTech) has maintained a strategic position in KOS, demonstrating sustained confidence in this investment. Largest addition occurred in Q1 2024, adding 1.43 M shares. Largest reduction occurred in Q3 2024, reducing 1.46 M shares.
Analysis based on 13F filings available since 2013 Q2
Renaissance Technologies (RenTech)'s Kosmos Energy (KOS) Holding Value Over Time
Track share changes against reported price movement
Quarterly Kosmos Energy (KOS) Trades by Renaissance Technologies (RenTech)
| Report Date | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q4 2025 | +1.35 M | Add 448.82% | 1.65 M | $0.91 |
| Q3 2025 | +300,253 | New Buy | 300,253 | $1.66 |
| Q3 2024 | -1.46 M | Sold Out | 0 | $0.00 |
| Q2 2024 | +4,395 | Add 0.30% | 1.46 M | $5.54 |
| Q1 2024 | +1.43 M | Add 5083.17% | 1.46 M | $5.96 |
| Q4 2023 | +28,138 | New Buy | 28,138 | $6.72 |
| Q2 2023 | -736,038 | Sold Out | 0 | $0.00 |
| Q1 2023 | +736,038 | New Buy | 736,038 | $0.01 |
| Q3 2021 | -788,816 | Sold Out | 0 | $0.00 |
| Q2 2021 | +788,816 | New Buy | 788,816 | $3.46 |
| Q2 2020 | -197,938 | Sold Out | 0 | $0.00 |
| Q1 2020 | -844,700 | Reduce 81.02% | 197,938 | $0.89 |
| Q4 2019 | +1.04 M | New Buy | 1.04 M | $5.70 |
Renaissance Technologies (RenTech)'s Kosmos Energy Investment FAQs
Renaissance Technologies (RenTech) first purchased Kosmos Energy Ltd. (KOS) in Q4 2019, acquiring 1,042,638 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 Kosmos Energy Ltd. (KOS) for 13 quarters since Q4 2019.
Renaissance Technologies (RenTech)'s largest addition to Kosmos Energy Ltd. (KOS) was in Q1 2024, adding 1,458,440 shares worth $8.69 M.
According to the latest 13F filing for Q4 2025, Renaissance Technologies (RenTech)'s firm, Renaissance Technologies LLC (Rentech), owns 1,647,838 shares of Kosmos Energy Ltd. (KOS), valued at approximately $1.5 M.
As of the Q4 2025 filing, Kosmos Energy Ltd. (KOS) 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 Kosmos Energy Ltd. (KOS) was 1,647,838 shares, as reported at the end of Q4 2025.