Boston Partners
- SEC CIK
- 0001386060
- Latest filing
- Aug 4, 2026
CTOS holding history
Custom Truck One Source, Inc. in every 13F filed by Boston Partners, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.
CTOS overviewAll 13F holders of CTOSFull Q2 2026 holdings
- Shares (Q2 2026)
- 1,625,092
- Value
- $19.2M
- % of portfolio
- <0.1%
- Quarters held
- 7
- Since Q4 2024
| Quarter | Shares | Value | % of portfolio | Share change | Action | All holders |
|---|---|---|---|---|---|---|
| Q2 2026 | 1,625,092 | $19.2M | <0.1% | −391,314−19.4% | Reduced | Holders |
| Q1 2026 | 2,016,406 | $13.2M | <0.1% | −1,777,191−46.8% | Reduced | Holders |
| Q4 2025 | 3,793,597 | $21.9M | <0.1% | −1,681,710−30.7% | Reduced | Holders |
| Q3 2025 | 5,475,307 | $35.2M | <0.1% | +42,232+0.8% | Added | Holders |
| Q2 2025 | 5,433,075 | $26.8M | <0.1% | +2,264,366+71.5% | Added | Holders |
| Q1 2025 | 3,168,709 | $13.4M | <0.1% | −627,715−16.5% | Reduced | Holders |
| Q4 2024 | 3,796,424 | $18.3M | <0.1% | +3,796,424 | New | Holders |