THOMSON REUTERS CORP (TRI) Top Institutional Shareholders
THOMSON REUTERS CORP (TRI) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended March 31, 2026. The institutional investors covered on this page collectively reported approximately $35.89B in TRI holdings during the latest filing period.
Woodbridge Co Ltd is currently the largest disclosed institutional shareholder of TRI tracked by InsiderSet, reporting ownership valued at approximately $27.07B in its March 31, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $23.84B, representing an estimated loss of -11.92% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 87% of the total disclosed TRI value among the investors covered in this analysis. Major shareholders include Woodbridge Co Ltd, Royal Bank Of Canada, 1832 Asset Management L.P., and several other long-term asset managers with concentrated positions in THOMSON REUTERS CORP (TRI).
This page ranks the largest institutional TRI shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
457
Total Reported Value
$35.89B
Largest Holder
Woodbridge Co Ltd
Largest Position
$27.07B
Insider Transactions (90d)
0
Latest Filing Quarter
Q1 2026
New Institutional Positions
67
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Woodbridge Co Ltd | 97.32% | 300,790,959 | $27,065,170,491 | $23,837,683,501 | -$3,227,486,990 | -11.92% | |
| Royal Bank Of Canada | 0.16% | 9,100,433 | $818,856,000 | $721,209,315 | -$97,646,685 | -11.92% | |
| 1832 Asset Management L.P. | 0.86% | 7,235,355 | $651,037,243 | $573,401,884 | -$77,635,359 | -11.92% | |
| Bank Of Montreal | 0.20% | 5,323,269 | $480,567,201 | $421,869,068 | -$58,698,133 | -12.21% | |
| Td Asset Management Inc | 0.38% | 5,199,592 | $467,816,254 | $412,067,666 | -$55,748,588 | -11.92% | |
| Tlt Family Holdco Ulc | 53.47% | 4,302,901 | $387,175,032 | $341,004,904 | -$46,170,128 | -11.92% | |
| Vanguard Capital Management Llc | 0.01% | 3,729,023 | $336,581,616 | $295,525,073 | -$41,056,543 | -12.20% | |
| Morgan Stanley | 0.02% | 3,262,425 | $293,553,138 | $258,547,181 | -$35,005,957 | -11.92% | |
| Lcc Family Corp. | 100.00% | 3,241,565 | $291,676,019 | $256,894,026 | -$34,781,993 | -11.92% | |
| Goldman Sachs Group Inc | 0.04% | 3,161,321 | $284,455,719 | $250,534,689 | -$33,921,030 | -11.92% | |
| Fmr Llc | 0.01% | 2,897,360 | $261,514,303 | $229,615,780 | -$31,898,523 | -12.20% | |
| Invesco Ltd. | 0.03% | 2,520,821 | $226,823,474 | $199,775,064 | -$27,048,410 | -11.92% | |
| Seg Family Corp. | 100.00% | 2,503,903 | $225,301,192 | $198,434,313 | -$26,866,879 | -11.92% | |
| Geode Capital Management, Llc | 0.01% | 2,229,967 | $202,956,851 | $176,724,885 | -$26,231,966 | -12.92% | |
| Fiera Capital Corp | 0.66% | 2,133,045 | $191,931,389 | $169,043,816 | -$22,887,573 | -11.92% | |
| National Bank Of Canada | 0.17% | 1,861,421 | $166,135,101 | $147,517,614 | -$18,617,487 | -11.21% | |
| Canada Pension Plan Investment Board | 0.10% | 1,768,259 | $159,632,595 | $140,134,526 | -$19,498,069 | -12.21% | |
| Mackenzie Financial Corp | 0.19% | 1,741,320 | $157,147,182 | $137,999,610 | -$19,147,572 | -12.18% | |
| Bank Of America Corp | 0.01% | 1,627,069 | $146,403,643 | $128,945,218 | -$17,458,425 | -11.92% | |
| First Trust Advisors Lp | 0.10% | 1,588,756 | $142,956,258 | $125,908,913 | -$17,047,345 | -11.92% | |
| Manufacturers Life Insurance Company, The | 0.12% | 1,500,365 | $135,296,888 | $118,903,926 | -$16,392,962 | -12.12% | |
| Agf Management Ltd | 0.58% | 1,437,038 | $129,933,747 | $113,885,262 | -$16,048,486 | -12.35% | |
| Td Waterhouse Canada Inc. | 0.35% | 1,345,723 | $117,916,785 | $106,648,548 | -$11,268,237 | -9.56% | |
| Blackrock, Inc. | 0.00% | 1,194,266 | $107,460,054 | $94,645,581 | -$12,814,474 | -11.92% | |
| Vanguard Fiduciary Trust Co | 0.03% | 1,190,471 | $107,451,912 | $94,344,827 | -$13,107,085 | -12.20% | |
| Dkrt Investments Corp. | 22.89% | 1,003,851 | $90,326,513 | $79,555,192 | -$10,771,321 | -11.92% | |
| Cibc World Market Inc. | 0.16% | 992,791 | $89,589,460 | $78,678,687 | -$10,910,773 | -12.18% | |
| Cibc Asset Management Inc | 0.22% | 981,411 | $88,557,359 | $77,776,822 | -$10,780,537 | -12.17% | |
| Legal & General Group Plc | 0.02% | 981,822 | $88,336,229 | $77,809,394 | -$10,526,836 | -11.92% | |
| Aqr Capital Management Llc | 0.03% | 623,356 | $56,261,242 | $49,400,963 | -$6,860,279 | -12.19% | |
| Toronto Dominion Bank | 0.11% | 615,905 | $55,585,941 | $48,810,471 | -$6,775,470 | -12.19% | |
| Mirae Asset Global Etfs Holdings Ltd. | 0.07% | 591,500 | $53,231,913 | $46,876,375 | -$6,355,538 | -11.94% | |
| Barclays Plc | 0.02% | 585,065 | $52,644,149 | $46,366,401 | -$6,277,748 | -11.92% | |
| Proshare Advisors Llc | 0.08% | 563,915 | $50,741,072 | $44,690,264 | -$6,050,808 | -11.92% | |
| Vanguard Global Advisers, Llc | 0.03% | 543,512 | $49,057,393 | $43,073,326 | -$5,984,067 | -12.20% | |
| Pjt Investments Corp. | 18.91% | 530,297 | $47,716,124 | $42,026,037 | -$5,690,087 | -11.92% | |
| Swiss National Bank | 0.03% | 528,955 | $47,672,964 | $41,919,684 | -$5,753,280 | -12.07% | |
| Clearbridge Investments, Llc | 0.04% | 499,799 | $44,971,910 | $39,609,071 | -$5,362,839 | -11.92% | |
| Raymond James Financial Inc | 0.01% | 476,428 | $42,868,978 | $37,756,919 | -$5,112,059 | -11.92% | |
| Massachusetts Financial Services Co | 0.01% | 344,927 | $42,289,781 | $27,335,465 | -$14,954,316 | -35.36% | |
| Healthcare Of Ontario Pension Plan Trust Fund | 0.07% | 450,968 | $40,578,101 | $35,739,214 | -$4,838,887 | -11.92% | |
| Benjamin Edwards Inc | 0.39% | 431,988 | $38,869,751 | $34,235,049 | -$4,634,702 | -11.92% | |
| Bcv Asset Management Inc. | 1.32% | 427,356 | $38,443,338 | $33,867,963 | -$4,575,375 | -11.90% | |
| Pictet Asset Management Holding Sa | 0.04% | 414,770 | $37,320,142 | $32,870,523 | -$4,449,620 | -11.92% | |
| Bank Of New York Mellon Corp | 0.01% | 412,082 | $37,079,098 | $32,657,499 | -$4,421,600 | -11.92% | |
| Two Sigma Investments, Lp | 0.03% | 408,216 | $36,731,276 | $32,351,118 | -$4,380,158 | -11.92% | |
| Amundi | 0.01% | 400,522 | $36,038,971 | $31,741,369 | -$4,297,603 | -11.92% | |
| Deutsche Bank Ag\ | 0.01% | 390,606 | $35,146,728 | $30,955,526 | -$4,191,203 | -11.92% | |
| Bank Of Nova Scotia | 0.06% | 379,564 | $34,258,815 | $30,080,447 | -$4,178,368 | -12.20% | |
| Ubs Group Ag | 0.01% | 374,052 | $33,657,198 | $29,643,621 | -$4,013,577 | -11.92% |
Frequently asked questions about TRI
Who owns the most TRI stock?
The largest holders of TRI are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for THOMSON REUTERS CORP (TRI).
Is TRI widely held by superinvestors?
Many widely followed stocks like TRI appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly TRI is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.