StockDriftsStockDriftsTop 50 Maple Rock Capital Partners INC Holdings
| Stock | Company | % Port. | Shares | Value | Activity | Ownership | Avg. Cost | Date |
|---|---|---|---|---|---|---|---|---|
| WDC | WESTERN DIGITAL CORP | 17.01% | 1.36M | $867.3M | -3.04%(-42.60K) | $39.21(+1194.13%) | 2026-06-30 | |
| STX | SEAGATE TECHNOLOGY HLDNGS PL | 5.7% | 301.2K | $290.6M | -43.60%(-232.82K) | $102.02(+879.49%) | 2026-06-30 | |
| UNH | UNITEDHEALTH GROUP INC | 5.55% | 681.1K | $283.1M | +216.20%(+465.70K) | $328.86(+20.57%) | 2026-06-30 | |
| HUM | HUMANA INC | 4.89% | 628.3K | $249.6M | +82.21%(+283.45K) | $255.94(+52.01%) | 2026-06-30 | |
| ICLR | ICON PUB LTD CO | 4.09% | 1.20M | $208.4M | +257.77%(+864.30K) | $141.37(+18.06%) | 2026-06-30 | |
| TFII | TFI INTERNATIONAL INC | 3.99% | 1.42M | $203.6M | +4.15%(+56.58K) | $119.80(+21.55%) | 2026-06-30 | |
| EQX | EQUINOX GOLD CORP | 3.34% | 17.53M | $170.4M | -9.75%(-1.89M) | $7.41(+56.47%) | 2026-06-30 | |
| AAP | ADVANCE AUTO PARTS INC | 2.95% | 2.42M | $150.6M | +86.50%(+1.12M) | $54.47(+3.81%) | 2026-06-30 | |
| BKD | BROOKDALE SR LIVING INC | 2.8% | 8.89M | $143.0M | +8.96%(+731.00K) | $7.96(+58.82%) | 2026-06-30 | |
| NUE | NUCOR CORP | 2.68% | 614.0K | $136.8M | +423.84%(+496.79K) | $182.05(+47.56%) | 2026-06-30 |
| Performance Metric | 3-Year Annualized | 3-Year Cumulative | 5-Year Annualized | 5-Year Cumulative |
|---|---|---|---|---|
| Top 20 Holdings Weighted | +55.14% | +273.38% | +31.53% | +293.62% |
| Top 20 Holdings Unweighted | +39.17% | +169.55% | +23.86% | +191.54% |
Maple Rock Capital Partners INC reports $5.10B in US-listed equity holdings across 51 positions in its most recent 13F filing. Its largest disclosed positions are WDC (17.0%), STX (5.7%) and UNH (5.5%). The top 20 holdings account for 73.38% of reported assets. Its disclosed equity book has returned +273.38% on a three-year cumulative basis. Figures reflect the Q2 2026 filing.
Portfolio changes
Every reported change this quarter, grouped by direction. The signal is in the rotation, not any single trade.
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Holdings on this page are parsed from Maple Rock Capital Partners INC’s Form 13F filings with the U.S. Securities and Exchange Commission (CIK 1658363). View Maple Rock Capital Partners INC’s 13F filings on SEC