Custom Truck One Source, Inc. (CTOS) ownership: Top institutional holder: Platinum Equity Advisors, LLC/DE ($1.03B). Insider activity: Net Seller (0 buys, 20 sells). SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| Platinum Equity Advisors, LLC/DE | 156743635.00 | $1.03B | 2026-03-31 |
| Canvas Wealth Advisors, LLC | 5982649.00 | $70.66M | 2026-06-30 |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 5674918.00 | $37.28M | 2026-03-31 |
| DIMENSIONAL FUND ADVISORS LP | 5602838.00 | $36.81M | 2026-03-31 |
| BlackRock, Inc. | 4252972.00 | $27.94M | 2026-03-31 |
| Allspring Global Investments Holdings, LLC | 3914133.00 | $25.91M | 2026-03-31 |
| VANGUARD GROUP INC | 3466621.00 | $19.97M | 2025-12-31 |
| Alyeska Investment Group, L.P. | 2825820.00 | $18.57M | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-04-01 | |
| Sell | null | 2026-04-01 | |
| Sell | null | 2026-04-01 | |
| Sell | null | 2026-04-01 | |
| Sell | null | 2026-04-01 | |
| Sell | null | 2026-04-01 | |
| Sell | null | 2026-04-01 | |
| Sell | null | 2026-04-01 |
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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.