BLACKBERRY LTD (BB) Stock Institutional Trading Activity


BLACKBERRY LTD (BB) 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 Renaissance Technologies LLC, Fairfax Financial Holdings, Kahn Brothers Group, Sequoia Financial Advisors, and Chou Associates 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
Q4 2025Renaissance Technologies LLCSell-1,880,6531,482,390$5,618,258
Q4 2025Fairfax Financial HoldingsSell-415,10034,980,220$132,225,232
Q3 2025Renaissance Technologies LLCSell-5,742,2003,363,043$16,411,650
Q3 2025Fairfax Financial HoldingsSell-5,389,38035,395,320$172,375,208
Q2 2025Renaissance Technologies LLCSell-5,280,5009,105,243$41,702,013
Q2 2025Fairfax Financial HoldingsSell-5,940,00040,784,700$186,793,926
Q1 2025Renaissance Technologies LLCBuy9,230,90014,385,743$54,234,251
Q4 2024Renaissance Technologies LLCBuy4,994,4005,154,843$19,485,307
Q4 2023Kahn Brothers GroupSell-123,2321,256,824$4,449,826
Q3 2023Kahn Brothers GroupSell-26,1891,380,056$6,499,826
Q3 2023Renaissance Technologies LLCSell-1,507,100160,443$756
Q3 2023Sequoia Financial AdvisorsBuy10,16410,164$47,873
Q2 2023Kahn Brothers GroupSell-6,7001,406,245$7,776,318
Q2 2023Renaissance Technologies LLCSell-598,9001,667,543$9,222
Q1 2023Kahn Brothers GroupSell-8,0531,412,945$6,443,000
Q1 2023Renaissance Technologies LLCBuy1,432,9002,266,443$10,335
Q4 2022Kahn Brothers GroupSell-55,9701,420,998$4,632,000
Q4 2022Renaissance Technologies LLCBuy229,700833,543$2,717
Q3 2022Kahn Brothers GroupSell-21,7601,476,968$6,942,000
Q3 2022Chou Associates ManagementSell-70,000312,900$1,475
Q3 2022Renaissance Technologies LLCBuy295,843603,843$2,839
Q2 2022Kahn Brothers GroupSell-6,1271,498,728$8,078,000
Q2 2022Renaissance Technologies LLCSell-218,200308,000$1,660
Q1 2022Kahn Brothers GroupSell-39,0921,504,855$11,226,000
Q1 2022Renaissance Technologies LLCBuy340,500526,200$3,916
Q4 2021Kahn Brothers GroupSell-175,5701,543,947$1,443,504
Q4 2021Renaissance Technologies LLCSell-15,200185,700$1,735
Q4 2021Fairfax Financial HoldingsBuy906,84446,724,700$436,876
Q3 2021Kahn Brothers GroupSell-43,3701,719,517$16,730,900
Q3 2021Renaissance Technologies LLCSell-104,300200,900$1,957

Frequently asked questions about BB activity

  • Which institutional owners are buying BB?

    Institutional owners buying BB 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 BB activity?

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

  • Is institutional interest in BB increasing?

    Institutional interest in BB 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.