ROCKWELL AUTOMATION INC (ROK) Stock Institutional Trading Activity


ROCKWELL AUTOMATION INC (ROK) position changes reported by tracked institutional filers across multiple SEC 13F reporting periods. Based on recent SEC 13F filings (Q4 2025), investors with some of the largest reported share count changes include Mairs & Power Growth Fund, Parnassus Endeavor Fund, Sequoia Financial Advisors, Renaissance Technologies LLC, and ARK Invest. Explore insights into buying and selling patterns, position changes, and investment conviction levels to understand institutional trading behavior and market dynamics.

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Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q3 2019Renaissance Technologies LLCSell-181,30098,000$16,150
Q2 2019Jensen Investment ManagementBuy4,7304,730$775
Q2 2019Sequoia Financial AdvisorsSell-702,147$352
Q2 2019Renaissance Technologies LLCSell-53,500279,300$45,758
Q1 2019Sequoia Financial AdvisorsBuy702,217$389
Q1 2019Renaissance Technologies LLCBuy214,400332,800$58,393
Q4 2018Renaissance Technologies LLCBuy103,700118,400$17,817
Q3 2018ARK InvestBuy2,73610,562$1,981
Q3 2018Renaissance Technologies LLCSell-4,50014,700$2,757
Q2 2018Mairs & Power Growth FundSell-4231,500$249
Q2 2018ARK InvestSell-5527,826$1,301
Q1 2018ARK InvestBuy2,1018,378$1,459
Q1 2018Renaissance Technologies LLCBuy16,90019,200$3,345
Q4 2017Sequoia Financial AdvisorsSell-522,147$422
Q4 2017Renaissance Technologies LLCSell-275,7002,300$452
Q4 2017ARK InvestBuy1,5876,277$1,232
Q3 2017Sequoia Financial AdvisorsBuy1732,199$392
Q3 2017ARK InvestBuy1,2814,690$836
Q2 2017ARK InvestBuy1,1093,409$552
Q1 2017Mairs & Power Growth FundSell-1501,923$299
Q1 2017ARK InvestSell-3022,300$358
Q4 2016Sequoia Financial AdvisorsBuy2492,026$272
Q4 2016ARK InvestBuy2,6022,602$350
Q3 2016Mairs & Power Growth FundBuy2,0732,073$254
Q2 2016Sequoia Financial AdvisorsBuy1,5751,777$204
Q1 2016Sequoia Financial AdvisorsSell-1,412202$1,777
Q4 2015Renaissance Technologies LLCSell-131,902278,000$28,526
Q3 2015Renaissance Technologies LLCBuy346,802409,902$41,593
Q2 2015Sequoia Financial AdvisorsBuy1,6141,614$201
Q2 2015Renaissance Technologies LLCSell-195,90063,100$7,865

Frequently asked questions about ROK activity

  • Which institutional owners are buying ROK?

    Institutional owners buying ROK include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in ROK activity?

    "Buy" means an investor increased their reported position in ROK compared to the prior reporting period. This reflects growing exposure to ROCKWELL AUTOMATION INC (ROK) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in ROK increasing?

    Institutional interest in ROK can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.