Renaissance Technologies (RenTech)'s MLM Position Overview
Renaissance Technologies (RenTech) (via Renaissance Technologies LLC) currently holds 31,894 shares of Martin Marietta Materials, Inc. (MLM) worth $18.39 M, representing 0.03% of the portfolio. First purchased in 2014-Q1, this medium-term investment has been held for 20 quarters.
Based on 13F filings, Renaissance Technologies (RenTech) has maintained a strategic position in MLM, demonstrating sustained confidence in this investment. Largest addition occurred in Q1 2015, adding 338,843 shares. Largest reduction occurred in Q3 2015, reducing 220,000 shares.
Analysis based on 13F filings available since 2013 Q2
Renaissance Technologies (RenTech)'s Martin Marietta Materials (MLM) Holding Value Over Time
Track share changes against reported price movement
Quarterly Martin Marietta Materials (MLM) Trades by Renaissance Technologies (RenTech)
| Report Date | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q2 2026 | +31,894 | New Buy | 31,894 | $576.70 |
| Q2 2023 | -7,494 | Sold Out | 0 | $0.00 |
| Q1 2023 | +7,494 | New Buy | 7,494 | $0.36 |
| Q4 2022 | -4,894 | Sold Out | 0 | $0.00 |
| Q3 2022 | -21,500 | Reduce 81.46% | 4,894 | $322.03 |
| Q2 2022 | +26,394 | New Buy | 26,394 | $299.23 |
| Q1 2020 | -49,470 | Sold Out | 0 | $0.00 |
| Q4 2019 | +49,470 | New Buy | 49,470 | $279.64 |
| Q3 2017 | -122,794 | Sold Out | 0 | $0.00 |
| Q2 2017 | +120,900 | Add 6383.32% | 122,794 | $222.58 |
| Q1 2017 | -208,400 | Reduce 99.10% | 1,894 | $218.06 |
| Q4 2016 | +210,294 | New Buy | 210,294 | $221.53 |
| Q1 2016 | -46,494 | Sold Out | 0 | $0.00 |
| Q4 2015 | -47,300 | Reduce 50.43% | 46,494 | $136.58 |
| Q3 2015 | -220,000 | Reduce 70.11% | 93,794 | $151.95 |
| Q2 2015 | -25,049 | Reduce 7.39% | 313,794 | $141.51 |
| Q1 2015 | +338,843 | New Buy | 338,843 | $139.80 |
| Q3 2014 | -5,000 | Sold Out | 0 | $0.00 |
| Q1 2014 | +5,000 | New Buy | 5,000 | $128.40 |
Renaissance Technologies (RenTech)'s Martin Marietta Materials Investment FAQs
Renaissance Technologies (RenTech) first purchased Martin Marietta Materials, Inc. (MLM) in Q1 2014, acquiring 5,000 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 Martin Marietta Materials, Inc. (MLM) for 20 quarters since Q1 2014.
Renaissance Technologies (RenTech)'s largest addition to Martin Marietta Materials, Inc. (MLM) was in Q1 2015, adding 338,843 shares worth $47.37 M.
According to the latest 13F filing for Q2 2026, Renaissance Technologies (RenTech)'s firm, Renaissance Technologies LLC, owns 31,894 shares of Martin Marietta Materials, Inc. (MLM), valued at approximately $18.39 M.
As of the Q2 2026 filing, Martin Marietta Materials, Inc. (MLM) represents approximately 0.03% of Renaissance Technologies (RenTech)'s publicly disclosed stock portfolio, making it one of their key holdings.
Renaissance Technologies (RenTech)'s peak holding in Martin Marietta Materials, Inc. (MLM) was 338,843 shares, as reported at the end of Q1 2015.