Maple Rock Capital Partners Inc.
An institutional investment manager in Toronto. Its Form 13F for the quarter ended Jun 30, 2026, filed Aug 14, 2026. SEC CIK 1658363.
- Reported value$5.10bn
- Positions51
Holdings: 51 positions
The filing on sec.govAs filed, largest first. Reported value is what the manager stated for each position at the quarter end, in US dollars; it is filing data, not a price. Weight is the position's share of the total reported value. Changes compare with the 13F for the quarter ended 2026-03-31.
| Issuer | Class | CUSIP | Reported value$m | Weight | Shares | Put or call | Change on the quarter before |
|---|---|---|---|---|---|---|---|
| Western Digital CorpWDC | COM | 958102105 | 867 | 17.0% | 1,357,834 | Reduced−42,600 | |
| Seagate Technology HLDNGS PL | ORD SHS | G7997R103 | 291 | 5.7% | 301,162 | Reduced−232,823 | |
| Unitedhealth Group IncUNH | COM | 91324P102 | 283 | 5.6% | 681,100 | Added+465,700 | |
| Humana IncHUM | COM | 444859102 | 250 | 4.9% | 628,251 | Added+283,451 | |
| Icon Pub Ltd Co | SHS | G4705A100 | 208 | 4.1% | 1,199,600 | Added+864,300 | |
| TFI International IncTFII | COM | 87241L109 | 204 | 4.0% | 1,418,409 | Added+56,578 | |
| Equinox Gold CorpEQX | COM | 29446Y502 | 170 | 3.3% | 17,531,248 | Reduced−1,893,400 | |
| Advance Auto Parts IncAAP | COM | 00751Y106 | 151 | 3.0% | 2,421,040 | Added+1,122,900 | |
| Brookdale SR Living IncBKD | COM | 112463104 | 143 | 2.8% | 8,888,148 | Added+731,000 | |
| Nucor CorpNUE | COM | 670346105 | 137 | 2.7% | 614,000 | Added+496,788 | |
| British Amern Tob plcBTI | SPONSORED ADR | 110448107 | 134 | 2.6% | 2,166,000 | Added+576,900 | |
| Arcelormittal SA LuxembourgMT | NY REGISTRY SH | 03938L203 | 132 | 2.6% | 2,190,860 | Added+776,595 | |
| CVS Health CorpCVS | COM | 126650100 | 124 | 2.4% | 1,197,996 | Added+149,896 | |
| Smurfit Westrock plc | SHS | G8267P108 | 121 | 2.4% | 2,608,298 | New+2,608,298 | |
| Louisiana Pac CorpLPX | COM | 546347105 | 120 | 2.3% | 1,521,859 | Added+409,300 | |
| Centene Corp DelCNC | COM | 15135B101 | 88.7 | 1.7% | 1,381,879 | Added+725,300 | |
| Rocket Cos IncRKT | COM CL A | 77311W101 | 87.3 | 1.7% | 5,543,600 | Added+2,410,400 | |
| Alcoa CorpAA | COM | 013872106 | 82.3 | 1.6% | 1,577,720 | Added+674,400 | |
| Arcbest CorpARCB | COM | 03937C105 | 76.9 | 1.5% | 535,746 | Added+131,400 | |
| Elevance Health Inc FormerlyELV | COM | 036752103 | 74.1 | 1.5% | 191,500 | Added+129,500 | |
| XPO IncXPO | COM | 983793100 | 72.4 | 1.4% | 352,702 | Added+32,460 | |
| RXO IncRXO | COMMON STOCK | 74982T103 | 71.3 | 1.4% | 2,583,655 | New+2,583,655 | |
| Algoma STL Group IncASTL | COM | 015658107 | 68.3 | 1.3% | 16,861,818 | Added+931,000 | |
| Fedex FGHT HLDG Co IncFDXF | COMMON STOCK | 314352105 | 68.2 | 1.3% | 451,700 | New+451,700 | |
| Jd.Com IncJD | SPON ADS CL A | 47215P106 | 68.0 | 1.3% | 2,670,542 | Reduced−355,720 | |
| Werner Enterprises IncWERN | COM | 950755108 | 59.6 | 1.2% | 1,366,167 | Added+812,800 | |
| Turning PT Brands IncTPB | COM | 90041L105 | 58.2 | 1.1% | 686,800 | Added+250,800 | |
| WabtecWAB | COM | 929740108 | 58.1 | 1.1% | 215,400 | Unchanged | |
| Mosaic CoMOS | COM | 61945C103 | 56.8 | 1.1% | 2,680,000 | New+2,680,000 | |
| Molina Healthcare IncMOH | COM | 60855R100 | 55.6 | 1.1% | 243,300 | Added+73,600 | |
| Fortune Brands Innovations IFBIN | COM | 34964C106 | 54.7 | 1.1% | 996,282 | Added+510,500 | |
| LKQ CorpLKQ | COM | 501889208 | 54.4 | 1.1% | 2,065,565 | Unchanged | |
| Sunrun IncRUN | COM | 86771W105 | 49.4 | 1.0% | 3,694,548 | Added+692,448 | |
| Winnebago Inds IncWGO | COM | 974637100 | 48.7 | 1.0% | 1,559,231 | Added+389,400 | |
| Rambus Inc DelRMBS | COM | 750917106 | 45.5 | 0.9% | 342,600 | New+342,600 | |
| Ingevity CorpNGVT | COM | 45688C107 | 45.0 | 0.9% | 603,303 | Unchanged | |
| Graphic Packaging HLDG CoGPK | COM | 388689101 | 43.3 | 0.8% | 4,099,800 | New+4,099,800 | |
| Teck Resources LtdTECK | CL B | 878742204 | 42.7 | 0.8% | 718,500 | New+718,500 | |
| General MTRS CoGM | COM | 37045V100 | 38.5 | 0.8% | 499,497 | New+499,497 | |
| Thor Inds IncTHO | COM | 885160101 | 34.7 | 0.7% | 461,864 | Unchanged | |
| Talen Energy CorpTLN | COM | 87422Q109 | 30.9 | 0.6% | 80,300 | New+80,300 | |
| LAS Vegas Sands CorpLVS | COM | 517834107 | 30.6 | 0.6% | 662,824 | Unchanged | |
| Lyft IncLYFT | CL A COM | 55087P104 | 30.1 | 0.6% | 2,062,351 | Reduced−2,062,352 | |
| Cleveland-Cliffs Inc NewCLF | COM | 185899101 | 29.0 | 0.6% | 3,083,157 | Reduced−17,662,400 | |
| Knight-Swift Transn Holdings inKNX | CL A | 499049104 | 28.5 | 0.6% | 366,095 | Unchanged | |
| Academy Sports & Outdoors inASO | COM | 00402L107 | 27.6 | 0.5% | 586,400 | Reduced−253,600 | |
| Amazon Com IncAMZN | COM | 023135106 | 25.7 | 0.5% | 108,000 | New+108,000 | |
| Rayonier Advanced Matls IncRYAM | COM | 75508B104 | 25.6 | 0.5% | 3,256,889 | Unchanged | |
| Warrior Met Coal IncHCC | COM | 93627C101 | 20.6 | 0.4% | 253,559 | Added+110,500 | |
| International Paper CoIP | COM | 460146103 | 10.8 | 0.2% | 284,400 | New+284,400 | |
| Sandisk CorpSNDK | COM | 80004C200 | 4.3 | <0.1% | 1,906 | Reduced−164,594 |
Sold out: 4 positions
Held at the end of the quarter before and not reported this quarter.
| Issuer | Class | CUSIP | Reported value$ | Weight | Shares | Put or call | Change on the quarter before |
|---|---|---|---|---|---|---|---|
| Avis Budget Group IncCAR | COM | 053774105 | 0.0 | 0.0% | 0 | Sold out−92,248 | |
| B2GOLD CorpBTG | COM | 11777Q209 | 0.0 | 0.0% | 0 | Sold out−8,158,600 | |
| Goodyear Tire & Rubr CoGT | COM | 382550101 | 0.0 | 0.0% | 0 | Sold out−5,817,063 | |
| Whirlpool CorpWHR | COM | 963320106 | 0.0 | 0.0% | 0 | Sold out−593,200 |
Source: SEC EDGAR, Form 13F-HR, accession 0001658363-26-000007 (on sec.gov). Last ingested by Listed: Oct 22, 2026, 05:26 ET. Listed shows no prices and gives no investment advice.