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 (2026-03-31)

Maple Rock Capital Partners Inc. (CIK 1658363) reported $3.07B across 44 reported positions in its SEC 13F filing for 2026-03-31. Largest positions: WDC ($378.8M, 12.32%), EQX ($280.8M, 9.14%), STX ($209.2M, 6.81%), CLF ($175.3M, 5.70%), TFII ($147.9M, 4.81%). Source: SEC Form 13F.

RankTickerCompanyValue% PortfolioSharesAction
1WDCWESTERN DIGITAL CORP$378.8M12.32%1.4MTrimmed
2EQXEQUINOX GOLD CORP$280.8M9.14%19.4MTrimmed
3STXSEAGATE TECHNOLOGY HLDNGS PL$209.2M6.81%533,985Trimmed
4CLFCLEVELAND-CLIFFS INC NEW$175.3M5.70%20.7MAdded
5TFIITFI INTL INC$147.9M4.81%1.4MNew
6BKDBROOKDALE SR LIVING INC$111.6M3.63%8.2MTrimmed
7SNDKSANDISK CORP$105.8M3.44%166,500Trimmed
8BTIBRITISH AMERN TOB PLC$92.9M3.02%1.6MTrimmed
9JDJD.COM INC$89.5M2.91%3.0MAdded
10LPXLOUISIANA PAC CORP$80.9M2.63%1.1MAdded
11CVSCVS HEALTH CORP$75.3M2.45%1.0MAdded
12MTARCELORMITTAL SA LUXEMBOURG$73.5M2.39%1.4MTrimmed
13AAPADVANCE AUTO PARTS INC$68.5M2.23%1.3MTrimmed
14ASTLALGOMA STL GROUP INC$65.8M2.14%15.9MAdded
15XPOXPO INC$62.3M2.03%320,242New
16LKQLKQ CORP$60.7M1.97%2.1MAdded
17AAALCOA CORP$59.9M1.95%903,320Trimmed
18HUMHUMANA INC$59.8M1.95%344,800Added
19UNHUNITEDHEALTH GROUP INC$58.3M1.90%215,400Added
20LYFTLYFT INC$54.9M1.78%4.1MTrimmed
21WABWABTEC$53.8M1.75%215,400New
22ASOACADEMY SPORTS & OUTDOORS IN$47.4M1.54%840,000New
23RKTROCKET COS INC$44.6M1.45%3.1MAdded
24NGVTINGEVITY CORP$43.0M1.40%603,303Trimmed
25RUNSUNRUN INC$40.7M1.32%3.0MTrimmed

Source: SEC Form 13F filings · as of 2026-03-31