Platinum Equity Advisors, LLC holds a concentrated book of 6 stocks worth $8.9B as of Q1 2026 (disclosed May 15, 2026, a ~45-day 13F lag). This quarter they opened Gpgi Inc and trimmed Ingram Micro Holding Corp. Their largest long position is Ingram Micro Holding Corp at 52% of the equity book.
The public view is the crawlable proof. The same sourced dataset is available through REST and MCP for agents, research scripts, and back-office tools.
This fund page is the Follow view. The Build view lets your agent pull holdings, quarter changes, overlap, and source filings through API or MCP.
curl -H "Authorization: Bearer YOUR_API_KEY" \ "https://arkolith.com/api/v1/funds/1803274/holdings"
Use Arkolith to show Platinum Equity Advisors, LLC/DE's latest holdings, largest changes, and filing provenance.
Top-heavy: concentrated book
Share of the disclosed book in its largest positions. A higher top-5 share means a more concentrated, higher-conviction portfolio.
100% mapped to company sectors
Direct operating-company sectors from our SIC-based security master. ETF/fund and unclassified holdings stay visible separately; this is not ETF look-through exposure.
Estimated $ traded · quarter-end prices, no cost basis
Other tracked managers holding the same core names as Platinum Equity Advisors, LLC
| Manager / fund | Shared names | Their $ in those |
|---|---|---|
| FMR LLC | 6 / 6 | $681.7M |
| BlackRock, Inc. | 6 / 6 | $444.5M |
| VANGUARD CAPITAL MANAGEMENT LLC | 6 / 6 | $255.2M |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 6 / 6 | $208.3M |
| AMERICAN CENTURY COMPANIES INC | 6 / 6 | $166.7M |
| STATE STREET CORP | 6 / 6 | $156.7M |
| GEODE CAPITAL MANAGEMENT, LLC | 6 / 6 | $129.5M |
| UBS Group AG | 6 / 6 | $91.2M |
Ranked by how many of Platinum Equity Advisors, LLC's top 6 disclosed names each fund also holds: a cross-fund conviction signal from the latest 13F of every tracked manager.
Bars show each stock's share of the portfolio. Click a row for its position history.
| # | Security | Value | Shares | % Port | Last move | History |
|---|---|---|---|---|---|---|
| 1 | Ingram Micro Hldg Corp COM | $4.6B | 197.10M | 51.7% | ▼−6.6% Reduced · −13.8M sh | |
| 2 | McGraw Hill Inc COM | $2.3B | 165.16M | 25.5% | —Held | |
| 3 | Custom Truck One Source Inc COM CL A | $1.0B | 156.74M | 11.6% | —Held | |
| 4 | Gpgi Inc COM CL A | $903.4M | 52.83M | 10.2% | ▲New New position | |
| 5 | Ryerson Hldg Corp COM | $88.2M | 3.92M | 1.0% | —Held | |
| 6 | International Mny Express In COM | $506K | 32.0K | 0.0% | —Held |
As-of date vs the date the SEC received each filing
| Quarter | As of | Filed | Positions | Value | Form |
|---|---|---|---|---|---|
| Q1 2026 | Mar 31, 2026 | May 15, 2026 | 6 | $8.9B | 13F-HR |
| Q4 2025 | Dec 31, 2025 | Feb 17, 2026 | 5 | $8.2B | 13F-HR |
| Q3 2025 | Sep 30, 2025 | Jan 6, 2026 | 5 | $7.7B | 13F-HR/A |
| Q2 2025 | Jun 30, 2025 | Jan 6, 2026 | 4 | $5.3B | 13F-HR/A |
| Q1 2025 | Mar 31, 2025 | Jan 6, 2026 | 4 | $4.5B | 13F-HR/A |
| Q4 2024 | Dec 31, 2024 | Jan 6, 2026 | 4 | $4.9B | 13F-HR/A |
| Q3 2024 | Sep 30, 2024 | Jan 6, 2026 | 3 | $591.4M | 13F-HR/A |
| Q2 2024 | Jun 30, 2024 | Jan 6, 2026 | 3 | $723.6M | 13F-HR/A |
| Q1 2024 | Mar 31, 2024 | Jan 6, 2026 | 3 | $997.1M | 13F-HR/A |
Holdings from SEC EDGAR 13F-HR filings, updated quarterly ~45 days after quarter-end. Public domain. The book and weighting are long equity only; disclosed put/call options are listed separately and excluded from those totals. Price-derived performance is withheld until the price-source policy and freshness gate are green.