SCHEDULE 13D/A

Thomson Reuters

Common Shares of Thomson Reuters Corporation · CUSIP: 884903709

Event date: 2025-04-16

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

• THOMSON INVESTMENTS LIMITED

  Shares: 313,508,841 · Class: 69.6%

• THE WOODBRIDGE COMPANY LIMITEDReported CIK 0001397960

  Shares: 300,551,801 · Class: 66.7%

• 1908720 ONTARIO LIMITED

  Shares: 188,772,148 · Class: 41.9%

• 1000706525 ONTARIO LIMITED

  Shares: 36,348,839 · Class: 8.1%

• 1396164 Ontario Limited

  Shares: 12,921,791 · Class: 2.9%

• 1925124 Ontario Limited

  Shares: 506,720 · Class: 0.1%

• Woodbridge Investments Corporation

  Shares: 2,303 · Class: 0%

• 1000927194 Ontario Limited

  Shares: 6,200,000 · Class: 1.4%

• 1000927196 Ontario Limited

  Shares: 6,200,000 · Class: 1.4%

• 1000927197 Ontario Limited

  Shares: 6,200,000 · Class: 1.4%

• 1000927200 Ontario Limited

  Shares: 6,200,000 · Class: 1.4%

• 1000927201 Ontario Limited

  Shares: 6,200,000 · Class: 1.4%

• 1000927202 Ontario Limited

  Shares: 6,200,000 · Class: 1.4%

• 1000927205 Ontario Limited

  Shares: 6,200,000 · Class: 1.4%

• 1000927207 Ontario Limited

  Shares: 6,200,000 · Class: 1.4%

• 1000927210 Ontario Limited

  Shares: 6,200,000 · Class: 1.4%

• 1000927211 Ontario Limited

  Shares: 6,200,000 · Class: 1.4%

• KRT INVESTMENTS CORP.

  Shares: 87,754 · Class: 0%

• DKRT FAMILY CORP.

  Shares: 81,860 · Class: 0%

• DKRT INVESTMENTS CORP.

  Shares: 327,761 · Class: 0.1%

• 1000920847 ONTARIO LIMITED

  Shares: 260,000 · Class: 0.1%

• MB FINANCE CORP.

  Shares: 1,596 · Class: 0%

• TLT INVESTMENTS CORP.

  Shares: 530,176 · Class: 0.1%

• TLT ISSUE HOLDCO A CORP.

  Shares: 195,900 · Class: 0%

• TLT ISSUE HOLDCO B CORP.

  Shares: 759,751 · Class: 0.2%

• 1761173 ONTARIO LIMITED

  Shares: 1,422,190 · Class: 0.3%

• 2677295 ONTARIO LIMITED

  Shares: 697,006 · Class: 0.2%

• 1000919995 ONTARIO LIMITED

  Shares: 260,000 · Class: 0.1%

• 1754693 ONTARIO LIMITED

  Shares: 437,878 · Class: 0.1%

• PJT INVESTMENTS CORP.

  Shares: 270,297 · Class: 0.1%

• 1000920848 ONTARIO LIMITED

  Shares: 260,000 · Class: 0.1%

• PGF INVESTMENTS CORP.

  Shares: 20,358 · Class: 0%

• PGF FAMILY CORP.

  Shares: 19,984 · Class: 0%

• LCC INVESTMENTS CORP.

  Shares: 168,127 · Class: 0%

• 1000921307 ONTARIO LIMITED

  Shares: 1,589,642 · Class: 0.4%

• 1000921309 ONTARIO LIMITED

  Shares: 529,881 · Class: 0.1%

• 1000078931 ONTARIO LIMITED

  Shares: 357,105 · Class: 0.1%

• 1000921299 ONTARIO LIMITED

  Shares: 67,423 · Class: 0%

• LLD INVESTMENTS CORP.

  Shares: 106,639 · Class: 0%

• 1000921297 ONTARIO LIMITED

  Shares: 64,585 · Class: 0%

• JRD INVESTMENTS CORP.

  Shares: 241,571 · Class: 0.1%

• 1000921305 ONTARIO LIMITED

  Shares: 287,274 · Class: 0.1%

• 2754783 ONTARIO LIMITED

  Shares: 6,988 · Class: 0%

• 1000921303 ONTARIO LIMITED

  Shares: 298,675 · Class: 0.1%

• GED INVESTMENTS CORP.

  Shares: 325,509 · Class: 0.1%

• 1000921264 ONTARIO LIMITED

  Shares: 844,976 · Class: 0.2%

• 1000921265 ONTARIO LIMITED

  Shares: 281,658 · Class: 0.1%

• 1000031857 ONTARIO LIMITED

  Shares: 444,575 · Class: 0.1%

• SEG FAMILY CORP.

  Shares: 66,546 · Class: 0%

• TCM INVESTMENTS CORP.

  Shares: 69,500 · Class: 0%

• 1000921268 ONTARIO LIMITED

  Shares: 198,755 · Class: 0%

• DYM INVESTMENTS CORP.

  Shares: 101,028 · Class: 0%

• 1000921259 ONTARIO LIMITED

  Shares: 178,101 · Class: 0%

• BG INVESTMENTS CORP.

  Shares: 286,370 · Class: 0.1%

• 1000921257 ONTARIO LIMITED

  Shares: 285,160 · Class: 0.1%

• ACG INVESTMENTS CORP.

  Shares: 167,937 · Class: 0%

• 1000921253 ONTARIO LIMITED

  Shares: 65,299 · Class: 0%

• 2775329 ONTARIO LIMITED

  Shares: 4,145 · Class: 0%

• 1000921254 ONTARIO LIMITED

  Shares: 287,060 · Class: 0.1%

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