(BOC) Stock Institutional Trading Activity


(BOC) position changes reported by tracked institutional filers across multiple SEC 13F reporting periods. Based on recent SEC 13F filings (Q3 2025), investors with some of the largest reported share count changes include Renaissance Technologies LLC and Akre Capital Management. 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 2025Renaissance Technologies LLCBuy42,900193,100$2,525,748
Q2 2025Renaissance Technologies LLCBuy100,000150,200$2,108,808
Q1 2025Renaissance Technologies LLCSell-35,40050,200$731,916
Q4 2024Renaissance Technologies LLCSell-109,10085,600$1,213,808
Q3 2024Renaissance Technologies LLCBuy1,600194,700$2,895,189
Q2 2024Renaissance Technologies LLCBuy148,600193,100$2,599,126
Q1 2024Renaissance Technologies LLCSell-84,56244,500$688
Q4 2023Renaissance Technologies LLCSell-49,438129,062$2,030
Q3 2023Renaissance Technologies LLCSell-3,800178,500$2,926
Q2 2023Renaissance Technologies LLCBuy91,100182,300$3,431
Q1 2023Renaissance Technologies LLCBuy59,90091,200$2,159
Q4 2022Renaissance Technologies LLCSell-9,90031,300$829
Q3 2022Renaissance Technologies LLCSell-29,90041,200$949
Q2 2022Renaissance Technologies LLCBuy55,50071,100$1,468
Q1 2022Renaissance Technologies LLCSell-19,70015,600$396
Q4 2021Renaissance Technologies LLCSell-55,20035,300$1,014
Q2 2021Renaissance Technologies LLCBuy5,70090,500$2,870
Q3 2020Renaissance Technologies LLCSell-74,20084,800$1,357
Q2 2020Renaissance Technologies LLCBuy121,100159,000$2,544
Q1 2020Renaissance Technologies LLCBuy15,80037,900$686
Q4 2019Renaissance Technologies LLCSell-7,10022,100$465
Q3 2019Akre Capital ManagementSell-220,91321,483$426
Q3 2019Renaissance Technologies LLCBuy17,50029,200$579
Q2 2019Renaissance Technologies LLCBuy11,70011,700$271
Q4 2018Akre Capital ManagementSell-21,438242,396$5,672
Q3 2018Akre Capital ManagementSell-86,166263,834$7,889
Q2 2017Akre Capital ManagementBuy350,000350,000$4,615

Frequently asked questions about BOC activity

  • Which institutional owners are buying BOC?

    Institutional owners buying BOC 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 BOC activity?

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

  • Is institutional interest in BOC increasing?

    Institutional interest in BOC 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.