Common Shares of Thomson Reuters Corporation (TRI)

Filing manager: Woodbridge CO LTD
Reporting owner: THOMSON INVESTMENTS LIMITED
Security: THOMSON REUTERS CORP /CAN/ Common Shares of Thomson Reuters Corporation
Beneficially owned shares: 312,518,088 shares
Large-stake signal: Form
SCHEDULE 13D/A
Active or control-oriented beneficial ownership filing.
Ownership
71%
Beneficial ownership of this reported class.
Shares
312,518,088 shares
Shares beneficially owned as disclosed.
Event date
15 Apr 2026
Date tied to the ownership event or amendment.
Accepted by SEC
17 Apr 2026
EDGAR acceptance date.
How to read this large-stake filing
Schedule 13D/G filings focus on beneficial ownership stakes, not a full portfolio.
Compare this filing with the holder history and issuer page before treating the percentage as a current position.
Use amendments to understand whether the disclosed stake increased, decreased, or changed reporting status.
Class ownership: 71%
Symbol: TRI
Shares outstanding: 442,911,122 shares
SEC form: SCHEDULE 13D/A
Accepted by SEC: 17 Apr 2026, 21:20:42 UTC
Event date: 15 Apr 2026
Prior SEC filing: 10 Nov 2025
Source filing: View source filing

Key filing fact

Woodbridge CO LTD disclosed 71% ownership in THOMSON REUTERS CORP /CAN/ Common Shares of Thomson Reuters Corporation (TRI) on 15 Apr 2026.

Key facts

Woodbridge CO LTD filed SCHEDULE 13D/A for THOMSON REUTERS CORP /CAN/ Common Shares of Thomson Reuters Corporation (TRI).
Disclosed ownership: 71%.
Date of event: 15 Apr 2026.

Change

Previous schedule filing date: 10 Nov 2025.
Current filing was accepted on 17 Apr 2026, 21:20.

Research use

This page turns one Schedule 13D/G filing into a quick large-stake read before the raw reporting-person rows.
Use the linked SEC filing as the source of truth for ownership percentages, shares, and reporting-party details.

Evidence

Backed by Schedule 13D/13G

Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.

View source filing

Reporting persons

Disclosed reporting parties (42)

Names, ownership percentages, voting power, signatures, titles, and CIKs as disclosed in this Schedule 13D/G filing.

Name	Ownership	Shares owned	Shared voting power	Signature	Title	CIK
THOMSON INVESTMENTS LIMITED	71%	312,518,088	312,518,088	/s/ Michael Medline	CEO & President
THE WOODBRIDGE COMPANY LIMITED	68%	300,790,959	300,790,959	/s/ Michael Medline	CEO & President	0001397960
1908720 ONTARIO LIMITED	46%	202,322,148	202,322,148	/s/ Michael Medline	CEO & President
1000706525 ONTARIO LIMITED	19%	84,798,839	84,798,839	/s/ Michael Medline	CEO & President
1396164 Ontario Limited	2.9%	13,160,949	13,160,949	/s/ Michael Medline	CEO & President
1925124 Ontario Limited	0.1%	506,720	506,720	/s/ Michael Medline	CEO & President
Woodbridge Investments Corporation	0%	2,303	2,303	/s/ Michael Medline	CEO & President
KRT INVESTMENTS CORP.	0%	87,754	87,754	/s/ Michael Medline	Attorney-in-fact
DKRT FAMILY CORP.	0%	276,864	276,864	/s/ Michael Medline	Attorney-in-fact
DKRT INVESTMENTS CORP.	0.1%	327,761	327,761	/s/ Michael Medline	Attorney-in-fact
DKRT FUNDING CORP.	0%	137,630	137,630	/s/ Michael Medline	Attorney-in-fact
1000920847 ONTARIO LIMITED	0.1%	260,000	260,000	/s/ Michael Medline	Attorney-in-fact
MB FINANCE CORP.	0%	1,596	1,596	/s/ Michael Medline	Attorney-in-fact
TT INVESTMENTS CORP.	0%	16,516	16,516	/s/ Michael Medline	Attorney-in-fact
TLT INVESTMENTS CORP.	0.12%	530,176	530,176	/s/ Michael Medline	Attorney-in-fact
TLT ISSUE HOLDCO A CORP.	0%	195,900	195,900	/s/ Michael Medline	Attorney-in-fact
TLT ISSUE HOLDCO CORP.	0.17%	759,751	759,751	/s/ Michael Medline	Attorney-in-fact
1761173 ONTARIO LIMITED	0.32%	1,422,190	1,422,190	/s/ Michael Medline	Attorney-in-fact
2677295 ONTARIO LIMITED	0.16%	697,006	697,006	/s/ Michael Medline	Attorney-in-fact
1000919995 ONTARIO LIMITED	0.1%	260,000	260,000	/s/ Michael Medline	Attorney-in-fact
1754693 ONTARIO LIMITED	0.1%	437,878	437,878	/s/ Michael Medline	Attorney-in-fact
PJT INVESTMENTS CORP.	0.1%	270,297	270,297	/s/ Michael Medline	Attorney-in-fact
1000920848 ONTARIO LIMITED	0.1%	260,000	260,000	/s/ Michael Medline	Attorney-in-fact
PGF INVESTMENTS CORP.	0%	20,358	20,358	/s/ Michael Medline	Attorney-in-fact
PGF FAMILY CORP.	0%	19,984	19,984	/s/ Michael Medline	Attorney-in-fact
LCC INVESTMENTS CORP.	0.4%	1,777,670	1,777,670	/s/ Michael Medline	Attorney-in-fact
1000078931 ONTARIO LIMITED	0.1%	357,105	357,105	/s/ Michael Medline	Attorney-in-fact
1000421133 ONTARIO LIMITED	0%	39,832	39,832	/s/ Michael Medline	Attorney-in-fact
LLD INVESTMENTS CORP.	0%	96,804	96,804	/s/ Michael Medline	Attorney-in-fact
2806335 ONTARIO LIMITED	0%	64,585	64,585	/s/ Michael Medline	Attorney-in-fact
JRD INVESTMENTS CORP.	0.1%	412,843	412,843	/s/ Michael Medline	Attorney-in-fact
2754783 ONTARIO LIMITED	0%	6,988	6,988	/s/ Michael Medline	Attorney-in-fact
GED INVESTMENTS CORP.	0.1%	485,738	485,738	/s/ Michael Medline	Attorney-in-fact
SEG INVESTMENTS CORP.	0.1%	477,059	477,059	/s/ Michael Medline	Attorney-in-fact
1000031857 ONTARIO LIMITED	0.1%	444,575	444,575	/s/ Michael Medline	Attorney-in-fact
SEG FAMILY CORP.	0%	66,546	66,546	/s/ Michael Medline	Attorney-in-fact
TCM INVESTMENTS CORP.	0.1%	268,255	268,255	/s/ Michael Medline	Attorney-in-fact
DYM INVESTMENTS CORP.	0.1%	254,129	254,129	/s/ Michael Medline	Attorney-in-fact
BG INVESTMENTS CORP.	0.1%	521,530	521,530	/s/ Michael Medline	Attorney-in-fact
ACG INVESTMENTS CORP.	0.1%	233,236	233,236	/s/ Michael Medline	Attorney-in-fact
1001404651 ONTARIO LIMITED	0%	1,513	1,513	/s/ Michael Medline	Attorney-in-fact
2808194 ONTARIO LIMITED	0.1%	237,060	237,060	/s/ Michael Medline	Attorney-in-fact

CIK / CUSIP context first

Continue from this filing

Woodbridge CO LTD 13D/G history THOMSON REUTERS CORP /CAN/ Common Shares of Thomson Reuters Corporation (TRI) holder history Woodbridge CO LTD 13F portfolio

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