Communication Services · Miscellaneous Publishing

TRI Thomson Reuters SEC Filings & Insider Trading Activity 2026

company
CIK 107512428 filings
Nasdaq 100

TRI at a glance

  • As of March 31, 2026, 33 institutional investment managers tracked by SignalX reported holding Thomson Reuters (TRI) shares worth $2.9 billion in 13F-HR filings.

Source: SEC EDGAR (XBRL financial data, 13F-HR and Form 4 filings).

Insiders · 90 days
0 buys · 0 sells
No open-market trades
13F holders
33 funds
$2.9B · +1 vs prior quarter

SignalX for TRI

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13F Fund Holdings: Quarterly Trend

Latest: Q1 2026

Aggregate TRI share value held by 13F filers tracked by SignalX, by quarter.

Quarterly totals table
TRI shares held by 13F filers tracked by SignalX, by quarter
QuarterFundsTotal value
Q1 202633$2.92B
Q4 202532$4.51B
Q3 202533$3.95B
Q2 202533$4.55B
Q1 202530$3.41B
Q4 202426$2.42B
Q3 202425$505.3M
Position changes: Q4 2025 → Q1 2026
Top Buyers
Top Sellers
Closed Positions

Source: 13F-HR filings on SEC EDGAR (aggregated from 212 fund-quarter rows). Reflects only 13F filers tracked by SignalX, not the full institutional ownership universe. How 13F filings work

Latest 2026 SEC Filings: 10-K, 10-Q, 8-K & Form 4

FormFiling dateAnalysisSEC
6-KSep 17, 2026--
6-KSep 17, 2026--
6-KSep 14, 2026--
6-KSep 11, 2026--
6-KAug 6, 2026--
6-KAug 5, 2026--
6-KJul 14, 2026--
6-KJun 11, 2026--
6-KMay 6, 2026-
6-KMay 5, 2026--
6-KMay 4, 2026--
6-KMay 4, 2026--
6-KApr 30, 2026--
6-KApr 29, 2026--
6-KApr 16, 2026--
6-KApr 14, 2026--
6-KMar 16, 2026--
6-KMar 5, 2026--
6-KMar 4, 2026--
6-KMar 2, 2026--
6-KFeb 25, 2026--
SC 13GFeb 12, 2018-
SC 13DJul 18, 2012-
SC 13GDec 17, 2008-
SC 13DApr 30, 2007-

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TRI SEC filings: frequently asked questions

Which institutions hold TRI stock?

As of March 31, 2026, the largest Thomson Reuters (TRI) holders among the 13F filers tracked by SignalX were Invesco Ltd ($1.1 billion), Vanguard Capital Management LLC ($336.6 million), Morgan Stanley ($293.6 million), Goldman Sachs Group ($284.5 million), FMR LLC (Fidelity) ($261.5 million). 13F-HR reports are filed up to 45 days after each quarter ends.

What is TRI's SEC CIK number?

Thomson Reuters (TRI)'s SEC Central Index Key (CIK) is 1075124. EDGAR lists every TRI filing under that number.

Ask anything about TRI

The research agent reads TRI's filings, financials, insider trades and 13F holders, then answers with sources.