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Maple Rock Capital Partners Inc.
Period ended Jun 30, 2026 · Latest filing Aug 14, 2026
These quarterly holdings are delayed and may not include all assets or short positions.
Values are from the reporting date, not current prices or purchase costs.
The same security may appear in multiple rows.
Source: SEC
Reported portfolio value
Quarter-end reported holdings; not current value or investment performance.
View reported values
- Jun 30, 2026: $5,100,027,142
More quarters will appear as history becomes available.
Top holdings
Top 10 at Jun 30, 2026. Matching entries are combined; security classes and options remain separate. Shares exclude principal amounts; option shares reflect the reported underlying amount.
View top holdings values
- WESTERN DIGITAL CORP · COM · 958102105 · shares: $867,275,732
- SEAGATE TECHNOLOGY HLDNGS PL · ORD SHS · G7997R103 · shares: $290,621,330
- UNITEDHEALTH GROUP INC · COM · 91324P102 · shares: $283,085,593
- HUMANA INC · COM · 444859102 · shares: $249,553,862
- ICON PUB LTD CO · SHS · G4705A100 · shares: $208,382,516
- TFI INTERNATIONAL INC · COM · 87241L109 · shares: $203,640,980
- EQUINOX GOLD CORP · COM · 29446Y502 · shares: $170,435,907
- ADVANCE AUTO PARTS INC · COM · 00751Y106 · shares: $150,637,109
- BROOKDALE SR LIVING INC · COM · 112463104 · shares: $143,010,301
- NUCOR CORP · COM · 670346105 · shares: $136,768,500
Reported holdings
51 reported entries| Issuer | Class | CUSIP | Type | Shares / principal | Reported value (USD) |
|---|---|---|---|---|---|
| WESTERN DIGITAL CORP | COM | 958102105 | — | 1,357,834 shares | $867,275,732 |
| SEAGATE TECHNOLOGY HLDNGS PL | ORD SHS | G7997R103 | — | 301,162 shares | $290,621,330 |
| UNITEDHEALTH GROUP INC | COM | 91324P102 | — | 681,100 shares | $283,085,593 |
| HUMANA INC | COM | 444859102 | — | 628,251 shares | $249,553,862 |
| ICON PUB LTD CO | SHS | G4705A100 | — | 1,199,600 shares | $208,382,516 |
| TFI INTERNATIONAL INC | COM | 87241L109 | — | 1,418,409 shares | $203,640,980 |
| EQUINOX GOLD CORP | COM | 29446Y502 | — | 17,531,248 shares | $170,435,907 |
| ADVANCE AUTO PARTS INC | COM | 00751Y106 | — | 2,421,040 shares | $150,637,109 |
| BROOKDALE SR LIVING INC | COM | 112463104 | — | 8,888,148 shares | $143,010,301 |
| NUCOR CORP | COM | 670346105 | — | 614,000 shares | $136,768,500 |
| BRITISH AMERN TOB PLC | SPONSORED ADR | 110448107 | — | 2,166,000 shares | $133,772,160 |
| ARCELORMITTAL SA LUXEMBOURG | NY REGISTRY SH | 03938L203 | — | 2,190,860 shares | $131,933,589 |
| CVS HEALTH CORP | COM | 126650100 | — | 1,197,996 shares | $123,932,686 |
| SMURFIT WESTROCK PLC | SHS | G8267P108 | — | 2,608,298 shares | $120,659,865 |
| LOUISIANA PAC CORP | COM | 546347105 | — | 1,521,859 shares | $119,709,429 |
| CENTENE CORP DEL | COM | 15135B101 | — | 1,381,879 shares | $88,702,813 |
| ROCKET COS INC | COM CL A | 77311W101 | — | 5,543,600 shares | $87,311,700 |
| ALCOA CORP | COM | 013872106 | — | 1,577,720 shares | $82,262,321 |
| ARCBEST CORP | COM | 03937C105 | — | 535,746 shares | $76,900,981 |
| ELEVANCE HEALTH INC FORMERLY | COM | 036752103 | — | 191,500 shares | $74,058,795 |
| XPO INC | COM | 983793100 | — | 352,702 shares | $72,406,194 |
| RXO INC | COMMON STOCK | 74982T103 | — | 2,583,655 shares | $71,283,041 |
| ALGOMA STL GROUP INC | COM | 015658107 | — | 16,861,818 shares | $68,290,363 |
| FEDEX FGHT HLDG CO INC | COMMON STOCK | 314352105 | — | 451,700 shares | $68,206,700 |
| JD.COM INC | SPON ADS CL A | 47215P106 | — | 2,670,542 shares | $68,045,410 |
| WERNER ENTERPRISES INC | COM | 950755108 | — | 1,366,167 shares | $59,578,543 |
| TURNING PT BRANDS INC | COM | 90041L105 | — | 686,800 shares | $58,247,508 |
| WABTEC | COM | 929740108 | — | 215,400 shares | $58,071,840 |
| MOSAIC CO | COM | 61945C103 | — | 2,680,000 shares | $56,789,200 |
| MOLINA HEALTHCARE INC | COM | 60855R100 | — | 243,300 shares | $55,642,710 |
| FORTUNE BRANDS INNOVATIONS I | COM | 34964C106 | — | 996,282 shares | $54,695,882 |
| LKQ CORP | COM | 501889208 | — | 2,065,565 shares | $54,386,326 |
| SUNRUN INC | COM | 86771W105 | — | 3,694,548 shares | $49,433,052 |
| WINNEBAGO INDS INC | COM | 974637100 | — | 1,559,231 shares | $48,710,376 |
| RAMBUS INC DEL | COM | 750917106 | — | 342,600 shares | $45,476,724 |
| INGEVITY CORP | COM | 45688C107 | — | 603,303 shares | $45,048,635 |
| GRAPHIC PACKAGING HLDG CO | COM | 388689101 | — | 4,099,800 shares | $43,334,886 |
| TECK RESOURCES LTD | CL B | 878742204 | — | 718,500 shares | $42,722,010 |
| GENERAL MTRS CO | COM | 37045V100 | — | 499,497 shares | $38,501,229 |
| THOR INDS INC | COM | 885160101 | — | 461,864 shares | $34,713,698 |
| TALEN ENERGY CORP | COM | 87422Q109 | — | 80,300 shares | $30,856,078 |
| LAS VEGAS SANDS CORP | COM | 517834107 | — | 662,824 shares | $30,615,841 |
| LYFT INC | CL A COM | 55087P104 | — | 2,062,351 shares | $30,130,948 |
| CLEVELAND-CLIFFS INC NEW | COM | 185899101 | — | 3,083,157 shares | $28,950,844 |
| KNIGHT-SWIFT TRANSN HLDGS IN | CL A | 499049104 | — | 366,095 shares | $28,507,818 |
| ACADEMY SPORTS & OUTDOORS IN | COM | 00402L107 | — | 586,400 shares | $27,637,032 |
| AMAZON COM INC | COM | 023135106 | — | 108,000 shares | $25,740,720 |
| RAYONIER ADVANCED MATLS INC | COM | 75508B104 | — | 3,256,889 shares | $25,599,148 |
| WARRIOR MET COAL INC | COM | 93627C101 | — | 253,559 shares | $20,578,848 |
| INTERNATIONAL PAPER CO | COM | 460146103 | — | 284,400 shares | $10,835,640 |
| SANDISK CORP | COM | 80004C200 | — | 1,906 shares | $4,333,729 |