Terminal · Institutions

Every 13F-reported equity position this quarter, with its quarter-over-quarter change — each row traces back to the SEC filing.

Maple Rock Capital Partners Inc. 13F Holdings -- Portfolio & Top Positions (2026-06-30)

Maple Rock Capital Partners Inc. (CIK 1658363) reported $5.10B across 51 reported positions in its SEC 13F filing for 2026-06-30. Largest positions: WDC ($867.3M, 17.01%), STX ($290.6M, 5.70%), UNH ($283.1M, 5.55%), HUM ($249.6M, 4.89%), ICLR ($208.4M, 4.09%). Source: SEC Form 13F.

RankTickerCompanyValue% PortfolioSharesAction
1WDCWESTERN DIGITAL CORP$867.3M17.01%1.4MTrimmed
2STXSEAGATE TECHNOLOGY HLDNGS PL$290.6M5.70%301,162Trimmed
3UNHUNITEDHEALTH GROUP INC$283.1M5.55%681,100Added
4HUMHUMANA INC$249.6M4.89%628,251Added
5ICLRICON PUB LTD CO$208.4M4.09%1.2MAdded
6TFIITFI INTERNATIONAL INC$203.6M3.99%1.4MAdded
7EQXEQUINOX GOLD CORP$170.4M3.34%17.5MTrimmed
8AAPADVANCE AUTO PARTS INC$150.6M2.95%2.4MAdded
9BKDBROOKDALE SR LIVING INC$143.0M2.80%8.9MAdded
10NUENUCOR CORP$136.8M2.68%614,000Added
11BTIBRITISH AMERN TOB PLC$133.8M2.62%2.2MAdded
12MTARCELORMITTAL SA LUXEMBOURG$131.9M2.59%2.2MAdded
13CVSCVS HEALTH CORP$123.9M2.43%1.2MAdded
14SWSMURFIT WESTROCK PLC$120.7M2.37%2.6MNew
15LPXLOUISIANA PAC CORP$119.7M2.35%1.5MAdded
16CNCCENTENE CORP DEL$88.7M1.74%1.4MAdded
17RKTROCKET COS INC$87.3M1.71%5.5MAdded
18AAALCOA CORP$82.3M1.61%1.6MAdded
19ARCBARCBEST CORP$76.9M1.51%535,746Added
20ELVELEVANCE HEALTH INC FORMERLY$74.1M1.45%191,500Added
21XPOXPO INC$72.4M1.42%352,702Added
22RXORXO INC$71.3M1.40%2.6MNew
23FDXFFEDEX FGHT HLDG CO INC$68.2M1.34%451,700New
24ASTLALGOMA STL GROUP INC$68.3M1.34%16.9MAdded
25JDJD.COM INC$68.0M1.33%2.7MTrimmed

Source: SEC Form 13F filings · as of 2026-06-30