SCHEDULE 13D/A

BLACKBERRY LTD COM

Common Stock, No Par Value · CUSIP: 09228F103

Event date: 2025-09-26

Reporting persons may disclose overlapping interests. Their amounts are shown individually and are not added into a filing total.

Filing-level shares

Unavailable

Percent of class

Unavailable

• V. PREM WATSAReported CIK 0000938869

  Shares: 35,820,891.00 · Class: 6.1%

• THE SECOND 810 HOLDCO LTD.

  Shares: 35,524,320.00 · Class: 6.0%

• THE SECOND 1109 HOLDCO LTD.

  Shares: 35,395,320.00 · Class: 6.0%

• THE SIXTY TWO INVESTMENT COMPANY LIMITEDReported CIK 0001217251

  Shares: 35,395,320.00 · Class: 6.0%

• 12002574 CANADA INC.

  Shares: 35,395,320.00 · Class: 6.0%

• FAIRFAX FINANCIAL HOLDINGS LIMITEDReported CIK 0000915191

  Shares: 35,395,320.00 · Class: 6.0%

• FFHL GROUP LTD.Reported CIK 0001275984

  Shares: 30,397,272.00 · Class: 5.1%

• FAIRFAX (US) INC.

  Shares: 20,892,549.00 · Class: 3.5%

• ODYSSEY GROUP HOLDINGS, INC.

  Shares: 15,535,599.00 · Class: 2.6%

• ODYSSEY REINSURANCE COMPANYReported CIK 0001243947

  Shares: 15,535,599.00 · Class: 2.6%

• CRUM & FORSTER HOLDINGS CORP.Reported CIK 0001168338

  Shares: 4,630,800.00 · Class: 0.8%

• UNITED STATES FIRE INSURANCE COMPANY

  Shares: 4,630,800.00 · Class: 0.8%

• TIG INSURANCE COMPANYReported CIK 0001276413

  Shares: 726,150.00 · Class: 0.1%

• NORTHBRIDGE FINANCIAL CORPORATIONReported CIK 0001368588

  Shares: 3,131,400.00 · Class: 0.5%

• FEDERATED INSURANCE COMPANY OF CANADAReported CIK 0001432008

  Shares: 511,800.00 · Class: 0.1%

• NORTHBRIDGE GENERAL INSURANCE CORPORATIONReported CIK 0001276008

  Shares: 2,619,600.00 · Class: 0.4%

• VERASSURE INSURANCE COMPANY

  Shares: 4,630,800.00 · Class: 0.2%

• ZENITH INSURANCE COMPANY (CANADIAN ENTITY)

  Shares: 297,700.00 · Class: 0.1%

• 1102952 B.C. UNLIMITED LIABILITY COMPANY

  Shares: 4,998,048.00 · Class: 0.8%

• ALLIED WORLD ASSURANCE COMPANY HOLDINGS, LTD

  Shares: 4,998,048.00 · Class: 0.8%

• ALLIED WORLD ASSURANCE COMPANY HOLDINGS I, LTD

  Shares: 4,998,048.00 · Class: 0.8%

• ALLIED WORLD ASSURANCE COMPANY, LTD

  Shares: 4,998,048.00 · Class: 0.8%

• ALLIED WORLD ASSURANCE HOLDINGS (IRELAND) LTD

  Shares: 4,998,048.00 · Class: 0.8%

• ALLIED WORLD ASSURANCE HOLDINGS (U.S.) INC.

  Shares: 4,998,048.00 · Class: 0.8%

• ALLIED WORLD INSURANCE COMPANY

  Shares: 4,998,048.00 · Class: 0.8%

• AW UNDERWRITERS INC.

  Shares: 2,098,048.00 · Class: 0.4%

• ALLIED WORLD SPECIALTY INSURANCE COMPANY

  Shares: 2,098,048.00 · Class: 0.4%

• NEWLINE HOLDINGS UK LIMITED

  Shares: 754,457.00 · Class: 0.1%

• NEWLINE CORPORATE NAME LIMITED

  Shares: 651,577.00 · Class: 0.1%

• NEWLINE INSURANCE COMPANY LIMITED

  Shares: 102,880.00 · Class: 0.0%

• FAIRFAX UK HOLDINGS LIMITED

  Shares: 6,373,323.00 · Class: 1.1%

• BRIT GROUP HOLDINGS LIMITED

  Shares: 6,373,323.00 · Class: 1.1%

• BRIT INSURANCE HOLDINGS LIMITED

  Shares: 6,373,323.00 · Class: 1.1%

• BRIT UW LIMITED

  Shares: 2,555,190.00 · Class: 0.4%

• BRIT REINSURANCE (BERMUDA) LIMITED

  Shares: 3,818,133.00 · Class: 0.6%

Amounts are as disclosed in this filing. Schedule type alone does not establish investment intent.