Renaissance Technologies (RenTech)'s GHM Position Overview
Renaissance Technologies (RenTech) (via Renaissance Technologies LLC) currently holds 247,368 shares of Graham Corporation (GHM) worth $19.52 M, representing 0.03% of the portfolio. First purchased in 2013-Q2, this long-term strategic position has been held for 52 quarters.
Based on 13F filings since 2013, Renaissance Technologies (RenTech) has maintained a long-term strategic position in GHM, representing a significant commitment to this investment thesis. Largest addition occurred in Q3 2023, adding 60,564 shares. Largest reduction occurred in Q3 2021, reducing 59,400 shares.
Analysis based on 13F filings available since 2013 Q2
Renaissance Technologies (RenTech)'s Graham Corporation (GHM) Holding Value Over Time
Track share changes against reported price movement
Quarterly Graham Corporation (GHM) Trades by Renaissance Technologies (RenTech)
| Report Date | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q1 2026 | -21,000 | Reduce 7.83% | 247,368 | $78.92 |
| Q4 2025 | -40,300 | Reduce 13.06% | 268,368 | $64.23 |
| Q3 2025 | -16,400 | Reduce 5.05% | 308,668 | $54.90 |
| Q2 2025 | -2,600 | Reduce 0.79% | 325,068 | $49.51 |
| Q1 2025 | -47,700 | Reduce 12.71% | 327,668 | $28.82 |
| Q4 2024 | +29,900 | Add 8.65% | 375,368 | $44.47 |
| Q3 2024 | +14,300 | Add 4.32% | 345,468 | $29.59 |
| Q2 2024 | -3,900 | Reduce 1.16% | 331,168 | $28.16 |
| Q1 2024 | -33,700 | Reduce 9.14% | 335,068 | $27.28 |
| Q4 2023 | -32,100 | Reduce 8.01% | 368,768 | $18.97 |
| Q3 2023 | +60,564 | Add 17.80% | 400,868 | $16.60 |
| Q2 2023 | +45,536 | Add 15.45% | 340,304 | $0.01 |
| Q1 2023 | +1,900 | Add 0.65% | 294,768 | $0.01 |
| Q4 2022 | -22,900 | Reduce 7.25% | 292,868 | $0.01 |
| Q3 2022 | -28,500 | Reduce 8.28% | 315,768 | $8.79 |
| Q2 2022 | -3,007 | Reduce 0.87% | 344,268 | $6.92 |
| Q1 2022 | -9,700 | Reduce 2.72% | 347,275 | $7.71 |
| Q4 2021 | -17,800 | Reduce 4.75% | 356,975 | $12.44 |
| Q3 2021 | -59,400 | Reduce 13.68% | 374,775 | $12.40 |
| Q2 2021 | -3,421 | Reduce 0.78% | 434,175 | $13.76 |
| Q1 2021 | -27,900 | Reduce 5.99% | 437,596 | $14.24 |
| Q4 2020 | +4,900 | Add 1.06% | 465,496 | $15.18 |
| Q3 2020 | -2,000 | Reduce 0.43% | 460,596 | $12.77 |
| Q2 2020 | +3,800 | Add 0.83% | 462,596 | $12.74 |
| Q1 2020 | -20,600 | Reduce 4.30% | 458,796 | $12.90 |
| Q4 2019 | +9,417 | Add 2.00% | 479,396 | $21.88 |
| Q3 2019 | +43,822 | Add 10.28% | 469,979 | $19.86 |
| Q2 2019 | +25,504 | Add 6.37% | 426,157 | $20.21 |
| Q1 2019 | +11,353 | Add 2.92% | 400,653 | $19.63 |
| Q4 2018 | +32,800 | Add 9.20% | 389,300 | $22.84 |
| Q3 2018 | +21,400 | Add 6.39% | 356,500 | $28.17 |
| Q2 2018 | +14,000 | Add 4.36% | 335,100 | $25.81 |
| Q1 2018 | -14,800 | Reduce 4.41% | 321,100 | $21.42 |
| Q4 2017 | -11,100 | Reduce 3.20% | 335,900 | $20.93 |
| Q3 2017 | +58,800 | Add 20.40% | 347,000 | $20.83 |
| Q2 2017 | +53,000 | Add 22.53% | 288,200 | $19.66 |
| Q1 2017 | +13,400 | Add 6.04% | 235,200 | $23.00 |
| Q4 2016 | +13,000 | Add 6.23% | 221,800 | $22.15 |
| Q3 2016 | +16,000 | Add 8.30% | 208,800 | $19.10 |
| Q2 2016 | +18,700 | Add 10.74% | 192,800 | $18.42 |
| Q1 2016 | +44,300 | Add 34.13% | 174,100 | $19.91 |
| Q4 2015 | +21,400 | Add 19.74% | 129,800 | $16.82 |
| Q3 2015 | +18,107 | Add 20.05% | 108,400 | $17.65 |
| Q2 2015 | +95 | Add 0.11% | 90,293 | $20.49 |
| Q1 2015 | +18,734 | Add 26.21% | 90,198 | $23.97 |
| Q4 2014 | -4,236 | Reduce 5.60% | 71,464 | $28.77 |
| Q3 2014 | +11,900 | Add 18.65% | 75,700 | $28.75 |
| Q2 2014 | +54,100 | Add 557.73% | 63,800 | $34.81 |
| Q1 2014 | +2,000 | Add 25.97% | 9,700 | $31.86 |
| Q4 2013 | -15,100 | Reduce 66.23% | 7,700 | $36.23 |
| Q3 2013 | +1,800 | Add 8.57% | 22,800 | $36.14 |
| Q2 2013 | +21,000 | Add 0.00% | 21,000 | $30.05 |
Renaissance Technologies (RenTech)'s Graham Corporation Investment FAQs
Renaissance Technologies (RenTech) first purchased Graham Corporation (GHM) in Q2 2013, acquiring 21,000 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 Graham Corporation (GHM) for 52 quarters since Q2 2013.
Renaissance Technologies (RenTech)'s largest addition to Graham Corporation (GHM) was in Q3 2023, adding 400,868 shares worth $6.65 M.
According to the latest 13F filing for Q1 2026, Renaissance Technologies (RenTech)'s firm, Renaissance Technologies LLC, owns 247,368 shares of Graham Corporation (GHM), valued at approximately $19.52 M.
As of the Q1 2026 filing, Graham Corporation (GHM) 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 Graham Corporation (GHM) was 479,396 shares, as reported at the end of Q4 2019.