Platinum Equity Advisors, LLC
In its 13F for Q3 2025 (holdings as of September 30, 2025, filed January 6, 2026), Platinum Equity Advisors, LLC reported 5 stock positions worth $7.7 billion. Its top holding was Ingram Micro (INGM) at 58.9% of the portfolio, followed by McGraw Hill (MH, 26.9%) and Custom Truck One Source (CTOS, 13.1%). Compared with Q2 2025, it opened 1 new position. The biggest buy was a new position in McGraw Hill (MH).
- Most Recent 13F
- Q2 2026
- Location
- BEVERLY HILLS, CA
- CIK
- 0001803274
- Portfolio Value
- $7.7B (Q3 2025)
- SEC Filing
- 0001104659-26-001205 ↗ filed Jan 6, 2026
Holdings Value
Holdings 5 stocks · $7.7B
| INGM Ingram Micro Holding Corp. | 58.86% | 210,952,854 | $4.5B | No change |
| MH McGraw Hill Inc. | 26.91% | 165,160,216 | $2.1B | New |
| CTOS Custom Truck One Source Inc. | 13.06% | 156,743,635 | $1.0B | No change |
| RYZ Ryerson Holding Corp. | 1.16% | 3,924,478 | $89.7M | No change |
| IMXI International Money Express | 0.01% | 32,016 | $447K | No change |
Portfolio Sells Q2 2025 → Q3 2025
| None this quarter. | |||
Portfolio Buys Q2 2025 → Q3 2025
| MH McGraw Hill Inc. | New | 26.91% | +26.91 |
All Filings
| Quarter | Positions | 13F Reported Value | Top Holdings |
|---|---|---|---|
| Q2 2026 | 6 | $9.0B | INGM, CTOS, MH, GPGI, RYZ |
| Q1 2026 | 6 | $8.9B | INGM, MH, CTOS, GPGI, RYZ |
| Q4 2025 | 5 | $8.2B | INGM, MH, CTOS, RYZ, IMXI |
| Q3 2025Amended | 5 | $7.7B | INGM, MH, CTOS, RYZ, IMXI |
| Q2 2025Amended | 4 | $5.3B | INGM, CTOS, RYZ, IMXI |
| Q1 2025Amended | 4 | $4.5B | INGM, CTOS, RYZ, IMXI |
| Q4 2024Amended | 4 | $4.9B | INGM, CTOS, RYZ, IMXI |
| Q3 2024Amended | 3 | $591.4M | CTOS, RYZ, IMXI |
| Q2 2024Amended | 3 | $723.6M | CTOS, RYZ, IMXI |
| Q1 2024Amended | 3 | $997.1M | CTOS, RYZ, IMXI |