TransUnion
TransUnion (TRU) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · TRU · as of Sep 30, 2025
Ownership Breakdown
579
Institutional Holders
▲ 19 vs Q2
$17.68B
Total Inst. Value
▲ $259.30M vs Q2
192.80M
Shares Outstanding
freeFloat 99.32%
211.60M
13F Shares Held
▲ 13.19M vs Q2
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
TRU largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
BLACKROCK, INC. services-consumer credit reporting, collection agencies | 19.10M | 9.79% | 9.79% | $1.60T | Nov 12, 2025 | ▲ 8.45M |
VANGUARD GROUP INC services-consumer credit reporting, collection agencies | 19.06M | 9.77% | 9.77% | $1.60T | Nov 7, 2025 | ▲ 517.1K |
MASSACHUSETTS FINANCIAL SERVICES CO /MA/ services-consumer credit reporting, collection agencies | 18.28M | 9.37% | 9.37% | $1.53T | Oct 29, 2025 | ▼ 4.45M |
WELLINGTON MANAGEMENT GROUP LLP services-consumer credit reporting, collection agencies | 11.96M | 6.13% | 6.13% | $1.00T | Nov 14, 2025 | ▲ 11.1K |
MORGAN STANLEY services-consumer credit reporting, collection agencies | 8.31M | 4.26% | 4.26% | $696.06B | May 27, 2026 | ▲ 829.0K |
T. ROWE PRICE INVESTMENT MANAGEMENT, INC. services-consumer credit reporting, collection agencies | 7.06M | 3.62% | 3.62% | $591.11B | Nov 14, 2025 | ▲ 1.80M |
STATE STREET CORP services-consumer credit reporting, collection agencies | 6.78M | 3.48% | 3.48% | $568.18B | Nov 14, 2025 | ▲ 2.60M |
MERITAGE GROUP LP services-consumer credit reporting, collection agencies | 5.47M | 2.80% | 2.80% | $458.11B | Nov 13, 2025 | ▼ 450.3K |
FARALLON CAPITAL MANAGEMENT LLC services-consumer credit reporting, collection agencies | 4.73M | 2.43% | 2.43% | $396.45B | Feb 17, 2026 | ▼ 672.5K |
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC services-consumer credit reporting, collection agencies | 4.68M | 2.40% | 2.40% | $391.99B | Nov 12, 2025 | ▼ 60.3K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2025 vs prior quarter
Q3 2025
31
Increased
+25.59M shares1
New Positions
first time holders18
Decreased
−8.25M shares0
Sold Out
fully exitedNet shares change (top 50)
+17.34M
+25.59M / −8.25M
Net new holders
+14
1 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
TRU insider trading · insider activity
Source: SEC Form 4
Insiders have been primarily selling shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.
17
Buy transactions
12
Sell transactions
1.42
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Williams Jennifer A. SVP, Chief Accounting Officer | Jun 1, 2026 | Tax Withhold | 404 | $73.51 | $29.7K | 6.8K | Form 4 ↗ |
Skinner Todd C. President, International | Jun 1, 2026 | Sale | 1,000 | $70.73 | $70.7K | 65.6K | Form 4 ↗ |
CHAOUKI STEVEN M President, US Markets | Jun 1, 2026 | Sale | 5,000 | $70.73 | $353.6K | 99.9K | Form 4 ↗ |
RUSSELL HEATHER J EVP, Chief Legal Officer | May 29, 2026 | Sale | 6,683 | $71.87 | $480.3K | 45.2K | Form 4 ↗ |
Skinner Todd C. President, International | May 18, 2026 | Tax Withhold | 13,350 | $68.60 | $915.8K | 66.6K | Form 4 ↗ |
RUSSELL HEATHER J EVP, Chief Legal Officer | May 18, 2026 | Tax Withhold | 10,222 | $68.60 | $701.2K | 51.9K | Form 4 ↗ |
CHAOUKI STEVEN M President, US Markets | May 18, 2026 | Tax Withhold | 16,063 | $68.60 | $1.10M | 104.9K | Form 4 ↗ |
Achanta Venkat EVP, Chief Tech, Data & Analy. | May 18, 2026 | Tax Withhold | 16,213 | $68.60 | $1.11M | 156.7K | Form 4 ↗ |
Cello Todd M EVP & CFO | May 18, 2026 | Tax Withhold | 18,253 | $68.60 | $1.25M | 149.7K | Form 4 ↗ |
Cartwright Christopher A President and CEO | May 18, 2026 | Tax Withhold | 26,284 | $68.60 | $1.80M | 565.0K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
TransUnion (TRU) is primarily owned by institutional investors, who hold approximately 100.0% of total shares outstanding. Company insiders own approximately 0.68%, while retail and public investors account for the remaining 0.00%.
The largest institutional shareholder of TransUnion is BLACKROCK, INC., holding approximately 19.10 million shares — equal to 9.79% of outstanding shares — as of September 30, 2025.
A total of 579 institutional investors currently hold TRU stock, with a combined institutional value of approximately $17.68 billion as of the most recent 13F filing period.
Frequently asked questions
TRU ownershipTransUnion (TRU) is primarily owned by institutional investors, who hold approximately 100.0% of shares. The largest shareholder is BLACKROCK, INC. with a 9.79% stake. Company insiders hold 0.68%. Data sourced from SEC Form 13F as of September 30, 2025.