Platinum Equity Advisors, LLC
In its 13F for Q1 2026 (holdings as of March 31, 2026, filed May 15, 2026), Platinum Equity Advisors, LLC reported 6 stock positions worth $8.9 billion. Its top holding was Ingram Micro (INGM) at 51.7% of the portfolio, followed by McGraw Hill (MH, 25.5%) and Custom Truck One Source (CTOS, 11.6%). Compared with Q4 2025, it opened 1 new position and reduced 1. The biggest buy was a new position in Gpgi (GPGI) and the biggest sale Ingram Micro (INGM, shares −7%).
- Most Recent 13F
- Q2 2026
- Location
- BEVERLY HILLS, CA
- CIK
- 0001803274
- Portfolio Value
- $8.9B (Q1 2026)
- SEC Filing
- 0001104659-26-061874 ↗ filed May 15, 2026
Holdings Value
Holdings 6 stocks · $8.9B
| INGM Ingram Micro Holding Corp. | 51.74% | 197,104,541 | $4.6B | Reduce -6.6% |
| MH McGraw Hill Inc. | 25.48% | 165,160,216 | $2.3B | No change |
| CTOS Custom Truck One Source Inc. | 11.60% | 156,743,635 | $1.0B | No change |
| GPGI Gpgi Inc. | 10.17% | 52,829,757 | $903.4M | New |
| RYZ Ryerson Holding Corp. | 0.99% | 3,924,478 | $88.2M | No change |
| IMXI International Money Express | 0.01% | 32,016 | $506K | No change |
Portfolio Sells Q4 2025 → Q1 2026
| INGM Ingram Micro Holding Corp. | Reduce -6.6% | 51.74% | −2.96 |
Portfolio Buys Q4 2025 → Q1 2026
| GPGI Gpgi Inc. | New | 10.17% | +10.17 |
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 |