CABO Institutional Ownership Changes & 13F Activity


CABLE ONE INC (CABO) institutional ownership data tracks hedge funds, asset managers, pension funds, and institutional investors holding Amazon shares based on recent SEC 13F filings (Q4 2025). Recent filings show notable position changes from firms including Renaissance Technologies LLC, Gardner Russo & Quinn, Parnassus Endeavor Fund, Durable Capital Partners, and Thunderbird Partners. This page analyzes institutional buying and selling activity, increased and reduced positions, new holdings, and sold-out positions to help investors understand institutional sentiment, portfolio allocation trends, and hedge fund conviction in CABLE ONE INC stock.


Key Insights:

Related CABO Insights:

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q4 2021Renaissance Technologies LLCSell-17,400110,800$195,390
Q3 2021Gardner Russo & QuinnSell-2,12487,731$159,067
Q3 2021Renaissance Technologies LLCSell-36,800128,200$232,443
Q2 2021Gardner Russo & QuinnBuy12,18489,855$171,875
Q2 2021Parnassus Endeavor FundBuy27,37585,791$164,102
Q2 2021Renaissance Technologies LLCSell-32,200165,000$315,614
Q1 2021Gardner Russo & QuinnBuy42,42577,671$142,011
Q1 2021Durable Capital PartnersSell-10,23616,763$30,649
Q1 2021Renaissance Technologies LLCSell-35,200197,200$360,553
Q4 2020Gardner Russo & QuinnBuy35,07835,246$78,519
Q4 2020Renaissance Technologies LLCSell-52,000232,400$517,722
Q3 2020Parnassus Endeavor FundSell-21558,416$110,139
Q3 2020Durable Capital PartnersBuy5,35626,999$50,905
Q3 2020Renaissance Technologies LLCSell-21,500284,400$536,216
Q2 2020Gardner Russo & QuinnBuy168168$298
Q2 2020Parnassus Endeavor FundBuy16,46558,631$104,061
Q2 2020Durable Capital PartnersBuy38821,643$38,413
Q2 2020Renaissance Technologies LLCSell-6,200305,900$542,927
Q1 2020Parnassus Endeavor FundBuy42,16642,166$69,321
Q1 2020Durable Capital PartnersBuy21,25521,255$34,943
Q1 2020Renaissance Technologies LLCBuy19,200312,100$513,096
Q4 2019Renaissance Technologies LLCBuy3,600292,900$435,973
Q3 2019Renaissance Technologies LLCBuy10,700289,300$362,985
Q2 2019Renaissance Technologies LLCBuy21,700278,600$326,238
Q1 2019Renaissance Technologies LLCBuy29,400256,900$252,117
Q4 2018Renaissance Technologies LLCBuy5,800227,500$186,573
Q3 2018Renaissance Technologies LLCBuy25,000221,700$195,896
Q1 2018Renaissance Technologies LLCSell-6,700196,700$135,155
Q4 2017Renaissance Technologies LLCBuy4,714203,400$143,061
Q3 2017Renaissance Technologies LLCBuy61,486198,686$143,475

Frequently asked questions about CABO activity

  • Which institutional owners are buying CABO?

    Institutional owners buying CABO 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 CABO activity?

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

  • Is institutional interest in CABO increasing?

    Institutional interest in CABO 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.