Custom Truck One Source Inc
Ownership
Ownership Structure
Who owns Custom Truck One Source Inc (CTOS)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 26.4% of the shares are freely tradable; institutional investors hold 97.0%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Platinum Equity Advisors, LLC/DE | 68.90 | 156,743,635 | +0.0 | 06/30/2026 |
| Dimensional Fund Advisors, Inc. | 2.71 | 6,172,555 | +10.2 | 06/30/2026 |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 2.71 | 6,156,876 | +8.5 | 06/30/2026 |
| Canvas Wealth Advisors, LLC | 2.63 | 5,982,649 | -14.8 | 06/30/2026 |
| BlackRock Inc | 2.01 | 4,574,024 | +7.5 | 06/30/2026 |
| Allspring Global Investments Holdings, LLC | 1.18 | 2,692,878 | -31.2 | 06/30/2026 |
| Vanguard Capital Management, LLC | 1.13 | 2,578,410 | +2.1 | 06/30/2026 |
| Arrowstreet Capital Limited Partnership | 0.97 | 2,202,031 | +108.4 | 06/30/2026 |
| The Goldman Sachs Group Inc | 0.83 | 1,877,617 | +264.1 | 06/30/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Global X US Infrastructure Dev ETF | 1.77 | 4,037,853 | +0.7 | 09/30/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Data as of: November 4, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.