Mario Gabelli's ROK Position Overview
Mario Gabelli (via Gamco Investors, Inc. Et Al) currently holds 113,664 shares of Rockwell Automation, Inc. (ROK) worth $44.22 M, representing 0.42% of the portfolio. First purchased in 2013-Q2, this long-term strategic position has been held for 51 quarters.
Based on 13F filings since 2013, Mario Gabelli has maintained a long-term strategic position in ROK, representing a significant commitment to this investment thesis. Largest addition occurred in Q2 2019, adding 4,300 shares. Largest reduction occurred in Q4 2013, reducing 57,300 shares.
Analysis based on 13F filings available since 2013 Q2
Mario Gabelli's Rockwell Automation (ROK) Holding Value Over Time
Track share changes against reported price movement
Quarterly Rockwell Automation (ROK) Trades by Mario Gabelli
| Report Date | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q4 2025 | +118 | Add 0.10% | 113,664 | $389.07 |
| Q3 2025 | -2,080 | Reduce 1.80% | 113,546 | $349.53 |
| Q2 2025 | -2,346 | Reduce 1.99% | 115,626 | $332.17 |
| Q1 2025 | -1,523 | Reduce 1.27% | 117,972 | $258.38 |
| Q4 2024 | -2,046 | Reduce 1.68% | 119,495 | $285.79 |
| Q3 2024 | -1,853 | Reduce 1.50% | 121,541 | $268.46 |
| Q2 2024 | -766 | Reduce 0.62% | 123,394 | $275.28 |
| Q1 2024 | +654 | Add 0.53% | 124,160 | $291.33 |
| Q4 2023 | -200 | Reduce 0.16% | 123,506 | $310.48 |
| Q3 2023 | +100 | Add 0.08% | 123,706 | $285.87 |
| Q2 2023 | -300 | Reduce 0.24% | 123,606 | $329.45 |
| Q1 2023 | -300 | Reduce 0.24% | 123,906 | $293.45 |
| Q4 2022 | -255 | Reduce 0.20% | 124,206 | $257.57 |
| Q3 2022 | -6,915 | Reduce 5.26% | 124,461 | $215.11 |
| Q2 2022 | -155 | Reduce 0.12% | 131,376 | $199.31 |
| Q1 2022 | -1,577 | Reduce 1.18% | 131,531 | $280.03 |
| Q4 2021 | -2,415 | Reduce 1.78% | 133,108 | $348.85 |
| Q3 2021 | -3,910 | Reduce 2.80% | 135,523 | $294.04 |
| Q2 2021 | -4,259 | Reduce 2.96% | 139,433 | $286.02 |
| Q1 2021 | -6,722 | Reduce 4.47% | 143,692 | $265.44 |
| Q4 2020 | -12,756 | Reduce 7.82% | 150,414 | $250.81 |
| Q3 2020 | -1,647 | Reduce 1.00% | 163,170 | $220.68 |
| Q2 2020 | -47,621 | Reduce 22.42% | 164,817 | $213.00 |
| Q1 2020 | -8,812 | Reduce 3.98% | 212,438 | $150.91 |
| Q4 2019 | -8,335 | Reduce 3.63% | 221,250 | $202.67 |
| Q3 2019 | -13,320 | Reduce 5.48% | 229,585 | $164.80 |
| Q2 2019 | +4,300 | Add 1.80% | 242,905 | $163.83 |
| Q1 2019 | -865 | Reduce 0.36% | 238,605 | $175.46 |
| Q4 2018 | -350 | Reduce 0.15% | 239,470 | $150.48 |
| Q3 2018 | -12,680 | Reduce 5.02% | 239,820 | $187.52 |
| Q2 2018 | -3,925 | Reduce 1.53% | 252,500 | $166.23 |
| Q1 2018 | -13,705 | Reduce 5.07% | 256,425 | $174.20 |
| Q4 2017 | -17,520 | Reduce 6.09% | 270,130 | $196.35 |
| Q3 2017 | -2,450 | Reduce 0.84% | 287,650 | $178.21 |
| Q2 2017 | -15,400 | Reduce 5.04% | 290,100 | $161.96 |
| Q1 2017 | -5,300 | Reduce 1.71% | 305,500 | $155.71 |
| Q4 2016 | -7,280 | Reduce 2.29% | 310,800 | $134.40 |
| Q3 2016 | -2,350 | Reduce 0.73% | 318,080 | $122.34 |
| Q2 2016 | -2,600 | Reduce 0.80% | 320,430 | $114.82 |
| Q1 2016 | -8,800 | Reduce 2.65% | 323,030 | $113.75 |
| Q4 2015 | -13,100 | Reduce 3.80% | 331,830 | $102.61 |
| Q3 2015 | -27,400 | Reduce 7.36% | 344,930 | $101.47 |
| Q2 2015 | -13,250 | Reduce 3.44% | 372,330 | $124.64 |
| Q1 2015 | +450 | Add 0.12% | 385,580 | $115.99 |
| Q4 2014 | -11,700 | Reduce 2.95% | 385,130 | $111.20 |
| Q3 2014 | -6,600 | Reduce 1.64% | 396,830 | $109.88 |
| Q2 2014 | -1,500 | Reduce 0.37% | 403,430 | $125.16 |
| Q1 2014 | -7,700 | Reduce 1.87% | 404,930 | $124.55 |
| Q4 2013 | -57,300 | Reduce 12.19% | 412,630 | $118.16 |
| Q3 2013 | -29,350 | Reduce 5.88% | 469,930 | $106.94 |
| Q2 2013 | +499,280 | Add 0.00% | 499,280 | $83.14 |
Mario Gabelli's Rockwell Automation Investment FAQs
Mario Gabelli first purchased Rockwell Automation, Inc. (ROK) in Q2 2013, acquiring 499,280 shares, as reported in their 13F filing for that period. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Mario Gabelli has held Rockwell Automation, Inc. (ROK) for 51 quarters since Q2 2013.
Mario Gabelli's largest addition to Rockwell Automation, Inc. (ROK) was in Q2 2013, adding 499,280 shares worth $41.51 M.
According to the latest 13F filing for Q4 2025, Mario Gabelli's firm, Gamco Investors, Inc. Et Al, owns 113,664 shares of Rockwell Automation, Inc. (ROK), valued at approximately $44.22 M.
As of the Q4 2025 filing, Rockwell Automation, Inc. (ROK) represents approximately 0.42% of Mario Gabelli's publicly disclosed stock portfolio, making it one of their key holdings.
Mario Gabelli's peak holding in Rockwell Automation, Inc. (ROK) was 499,280 shares, as reported at the end of Q2 2013.