(CNM) Stock Institutional Trading Activity


(CNM) position changes reported by tracked institutional filers across multiple SEC 13F reporting periods. Based on recent SEC 13F filings (Q2 2025), investors with some of the largest reported share count changes include Renaissance Technologies LLC, Polen Capital Management, and Vulcan Value Partners. 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
Q2 2025Polen Capital ManagementSell-90,94034,013$2,052,685
Q2 2025Renaissance Technologies LLCSell-281,70036,900$2,226,915
Q1 2025Polen Capital ManagementSell-10,784124,953$6,036,491
Q1 2025Renaissance Technologies LLCSell-129,800318,600$15,391,566
Q4 2024Polen Capital ManagementSell-11,670135,737$6,910,386
Q4 2024Renaissance Technologies LLCBuy373,500448,400$22,828,044
Q3 2024Renaissance Technologies LLCSell-90,00074,900$3,325,560
Q3 2024Polen Capital ManagementSell-11,592147,407$6,544,868
Q2 2024Polen Capital ManagementSell-1,015158,999$7,781,391
Q2 2024Renaissance Technologies LLCSell-52,100164,900$8,070,206
Q1 2024Renaissance Technologies LLCSell-546,700217,000$12,423
Q1 2024Polen Capital ManagementSell-27,126160,014$9,160,810
Q4 2023Vulcan Value PartnersSell-80,273257,850$10,420
Q4 2023Renaissance Technologies LLCSell-51,700763,700$30,861
Q4 2023Polen Capital ManagementBuy187,140187,140$7,562,316
Q3 2023Vulcan Value PartnersSell-21,925338,123$9,755
Q3 2023Renaissance Technologies LLCBuy523,000815,400$23,524
Q2 2023Renaissance Technologies LLCBuy195,000292,400$9,164
Q2 2023Vulcan Value PartnersSell-619,131360,048$11,284
Q1 2023Vulcan Value PartnersBuy979,179979,179$22,619
Q4 2022Renaissance Technologies LLCBuy77,90097,400$1,881
Q2 2022Renaissance Technologies LLCSell-18,90019,500$435
Q4 2021Renaissance Technologies LLCBuy38,40038,400$1,165

Frequently asked questions about CNM activity

  • Which institutional owners are buying CNM?

    Institutional owners buying CNM 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 CNM activity?

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

  • Is institutional interest in CNM increasing?

    Institutional interest in CNM 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.