Maple Rock Capital Partners Inc.
Follow13F filer, CIK 1658363, Toronto, Ontario, Canada
Maple Rock Capital Partners Inc. reported $5,100,027,142 across 51 holdings for the quarter ended 2026-06-30, in a 13F-HR filed 2026-08-14. Its ten largest share positions make up 53.01% of the portfolio.
Filed (acceptance time not in the bulk data set), ingested 13F-HR 0001658363-26-000007
- Period
- 2026-06-30
- Reported value
- $5.1B
- Holdings
- 51
- Top 10 weight
- 53.01%
- New
- 11
- Sold out
- 4
Largest buys vs the previous quarter
| Security | Shares change | Approx. value |
|---|---|---|
| UNHadded | +465,700 | $194M |
| ICLRadded | +864,300 | $150M |
| SWnew | +2,608,298 | $121M |
| HUMadded | +283,451 | $113M |
| NUEadded | +496,788 | $111M |
Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.
Largest sells vs the previous quarter
| Security | Shares change | Approx. value |
|---|---|---|
| SNDKreduced | -164,594 | -$374M |
| STXreduced | -232,823 | -$225M |
| CLFreduced | -17,662,400 | -$166M |
| GTexited | -5,817,063 | -$38.6M |
| BTGexited | -8,158,600 | -$37M |
Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.
Holdings, Q2 2026
Share positions as resolved from 13F-HR 0001658363-26-000007, largest first. % of portfolio is the value over $5,100,027,142, the sum of the share positions whose value is usable for ratios (method).
| Security | History | Shares | Value | % of portfolio | Change | Latest event | Timeline |
|---|---|---|---|---|---|---|---|
| WDCWESTERN DIGITAL CORP | 1,357,834 | $867M | 17.01% | -42,600 | Timeline | ||
| STXSEAGATE TECHNOLOGY HLDNGS PL | 301,162 | $291M | 5.7% | -232,823 | Timeline | ||
| UNHUNITEDHEALTH GROUP INC | 681,100 | $283M | 5.55% | +465,700 | Timeline | ||
| HUMHUMANA INC | 628,251 | $250M | 4.89% | +283,451 | Timeline | ||
| ICLRICON PUB LTD CO | 1,199,600 | $208M | 4.09% | +864,300 | Timeline | ||
| TFIITFI INTERNATIONAL INC | 1,418,409 | $204M | 3.99% | +56,578 | Timeline | ||
| EQXEQUINOX GOLD CORP | 17,531,248 | $170M | 3.34% | -1,893,400 | Timeline | ||
| AAPADVANCE AUTO PARTS INC | 2,421,040 | $151M | 2.95% | +1,122,900 | Timeline | ||
| BKDBROOKDALE SR LIVING INC | 8,888,148 | $143M | 2.8% | +731,000 | Timeline | ||
| NUENUCOR CORP | 614,000 | $137M | 2.68% | +496,788 | Timeline | ||
| BTIBRITISH AMERN TOB PLC | 2,166,000 | $134M | 2.62% | +576,900 | Timeline | ||
| MTARCELORMITTAL SA LUXEMBOURG | 2,190,860 | $132M | 2.59% | +776,595 | Timeline | ||
| CVSCVS HEALTH CORP | 1,197,996 | $124M | 2.43% | +149,896 | Timeline | ||
| SWSMURFIT WESTROCK PLC | 2,608,298 | $121M | 2.37% | new | Timeline | ||
| LPXLOUISIANA PAC CORP | 1,521,859 | $120M | 2.35% | +409,300 | Timeline | ||
| CNCCENTENE CORP DEL | 1,381,879 | $88.7M | 1.74% | +725,300 | Timeline | ||
| RKTROCKET COS INC | 5,543,600 | $87.3M | 1.71% | +2,410,400 | Timeline | ||
| AAALCOA CORP | 1,577,720 | $82.3M | 1.61% | +674,400 | Timeline | ||
| ARCBARCBEST CORP | 535,746 | $76.9M | 1.51% | +131,400 | Timeline | ||
| ELVELEVANCE HEALTH INC FORMERLY | 191,500 | $74.1M | 1.45% | +129,500 | Timeline | ||
| XPOXPO INC | 352,702 | $72.4M | 1.42% | +32,460 | Timeline | ||
| RXORXO INC | 2,583,655 | $71.3M | 1.4% | new | Timeline | ||
| ASTLALGOMA STL GROUP INC | 16,861,818 | $68.3M | 1.34% | +931,000 | Timeline | ||
| FDXFFEDEX FGHT HLDG CO INC | 451,700 | $68.2M | 1.34% | new | Timeline | ||
| JDJD.COM INC | 2,670,542 | $68M | 1.33% | -355,720 | Timeline | ||
| WERNWERNER ENTERPRISES INC | 1,366,167 | $59.6M | 1.17% | +812,800 | Timeline | ||
| TPBTURNING PT BRANDS INC | 686,800 | $58.2M | 1.14% | +250,800 | Timeline | ||
| WABWABTEC | 215,400 | $58.1M | 1.14% | 0 | Timeline | ||
| MOSMOSAIC CO | 2,680,000 | $56.8M | 1.11% | new | Timeline | ||
| MOHMOLINA HEALTHCARE INC | 243,300 | $55.6M | 1.09% | +73,600 | Timeline | ||
| FBINFORTUNE BRANDS INNOVATIONS I | 996,282 | $54.7M | 1.07% | +510,500 | Timeline | ||
| LKQLKQ CORP | 2,065,565 | $54.4M | 1.07% | 0 | Timeline | ||
| RUNSUNRUN INC | 3,694,548 | $49.4M | 0.97% | +692,448 | Timeline | ||
| WGOWINNEBAGO INDS INC | 1,559,231 | $48.7M | 0.96% | +389,400 | Timeline | ||
| RMBSRAMBUS INC DEL | 342,600 | $45.5M | 0.89% | new | Timeline | ||
| NGVTINGEVITY CORP | 603,303 | $45M | 0.88% | 0 | Timeline | ||
| GPKGRAPHIC PACKAGING HLDG CO | 4,099,800 | $43.3M | 0.85% | new | Timeline | ||
| TECKTECK RESOURCES LTD | 718,500 | $42.7M | 0.84% | new | Timeline | ||
| GMGENERAL MTRS CO | 499,497 | $38.5M | 0.75% | new | Timeline | ||
| THOTHOR INDS INC | 461,864 | $34.7M | 0.68% | 0 | Timeline | ||
| TLNTALEN ENERGY CORP | 80,300 | $30.9M | 0.61% | new | Timeline | ||
| LVSLAS VEGAS SANDS CORP | 662,824 | $30.6M | 0.6% | 0 | Timeline | ||
| LYFTLYFT INC | 2,062,351 | $30.1M | 0.59% | -2,062,352 | Timeline | ||
| CLFCLEVELAND-CLIFFS INC NEW | 3,083,157 | $29M | 0.57% | -17,662,400 | Timeline | ||
| KNXKNIGHT-SWIFT TRANSN HLDGS IN | 366,095 | $28.5M | 0.56% | 0 | Timeline | ||
| ASOACADEMY SPORTS & OUTDOORS IN | 586,400 | $27.6M | 0.54% | -253,600 | Timeline | ||
| AMZNAMAZON COM INC | 108,000 | $25.7M | 0.5% | new | Timeline | ||
| RYAMRAYONIER ADVANCED MATLS INC | 3,256,889 | $25.6M | 0.5% | 0 | Timeline | ||
| HCCWARRIOR MET COAL INC | 253,559 | $20.6M | 0.4% | +110,500 | Timeline | ||
| IPINTERNATIONAL PAPER CO | 284,400 | $10.8M | 0.21% | new | Timeline | ||
| SNDKSANDISK CORP | 1,906 | $4.33M | 0.08% | -164,594 | Timeline |
Sold out in Q2 2026
Positions in the previous quarter's report that this quarter's report no longer lists.
How Q2 2026 was built
Available 13F filings of this filer for the quarter and their roles: the base report is the latest original or restatement, NEW HOLDINGS amendments filed after it are added (method).
| Filing | Role | Amendment | Filed | Accepted | Ingested |
|---|---|---|---|---|---|
| 13F-HR 0001658363-26-000007 | base | 2026-08-14 | acceptance time not in the bulk data set |
Filings
Every filing of this filer: 13F reports and notices, the 13D and 13G it filed or is a reporting person of, and Forms 3, 4 and 5 it reported as an owner.
| Filing | Subject | Filed | Accepted | Ingested |
|---|---|---|---|---|
| 13F-HR 0001658363-26-000007 | Quarter ended 2026-06-30 | 2026-08-14 | acceptance time not in the bulk data set | |
| 13F-HR 0001658363-26-000005 | Quarter ended 2026-03-31 | 2026-05-15 | acceptance time not in the bulk data set | |
| 13F-HR 0001658363-26-000003 | Quarter ended 2025-12-31 | 2026-02-17 | acceptance time not in the bulk data set | |
| 13F-HR 0001658363-25-000005 | Quarter ended 2025-09-30 | 2025-11-14 | acceptance time not in the bulk data set | |
| 13F-HR 0001085146-25-005275 | Quarter ended 2025-06-30 | 2025-08-14 | acceptance time not in the bulk data set | |
| 13F-HR 0001172661-25-002351 | Quarter ended 2025-03-31 | 2025-05-15 | acceptance time not in the bulk data set | |
| 13F-HR 0001172661-25-001210 | Quarter ended 2024-12-31 | 2025-02-14 | acceptance time not in the bulk data set | |
| 13F-HR 0001172661-24-004812 | Quarter ended 2024-09-30 | 2024-11-14 | acceptance time not in the bulk data set | |
| 13F-HR 0001172661-24-003526 | Quarter ended 2024-06-30 | 2024-08-14 | acceptance time not in the bulk data set | |
| 13F-HR 0001172661-24-002529 | Quarter ended 2024-03-31 | 2024-05-15 | acceptance time not in the bulk data set | |
| 13F-HR 0001172661-24-001449 | Quarter ended 2023-12-31 | 2024-02-14 | acceptance time not in the bulk data set | |
| 13F-HR 0001172661-23-004042 | Quarter ended 2023-09-30 | 2023-11-14 | acceptance time not in the bulk data set | |
| 13F-HR 0001172661-23-003186 | Quarter ended 2023-06-30 | 2023-08-14 | acceptance time not in the bulk data set | |
| 13F-HR 0001172661-23-002331 | Quarter ended 2023-03-31 | 2023-05-15 | acceptance time not in the bulk data set | |
| 13F-HR 0001172661-23-001359 | Quarter ended 2022-12-31 | 2023-02-14 | acceptance time not in the bulk data set | |
| 13F-HR 0001606587-22-002346 | Quarter ended 2022-09-30 | 2022-11-14 | acceptance time not in the bulk data set | |
| 13F-HR 0001606587-22-001805 | Quarter ended 2022-06-30 | 2022-08-15 | acceptance time not in the bulk data set | |
| 13F-HR 0001606587-22-001214 | Quarter ended 2022-03-31 | 2022-05-16 | acceptance time not in the bulk data set | |
| 13F-HR 0001606587-22-000553 | Quarter ended 2021-12-31 | 2022-02-14 | acceptance time not in the bulk data set | |
| 13F-HR 0001085146-21-003360 | Quarter ended 2021-09-30 | 2021-11-15 | acceptance time not in the bulk data set | |
| 13F-HR 0001085146-21-002602 | Quarter ended 2021-06-30 | 2021-08-16 | acceptance time not in the bulk data set | |
| 13F-HR 0001085146-21-001799 | Quarter ended 2021-03-31 | 2021-05-17 | acceptance time not in the bulk data set | |
| 13F-HR 0001085146-21-001003 | Quarter ended 2020-12-31 | 2021-02-16 | acceptance time not in the bulk data set | |
| 13F-HR 0001172661-20-002311 | Quarter ended 2020-09-30 | 2020-11-16 | acceptance time not in the bulk data set | |
| 13F-HR 0001172661-20-001835 | Quarter ended 2020-06-30 | 2020-08-14 | acceptance time not in the bulk data set | |
| 13F-HR 0001172661-20-001404 | Quarter ended 2020-03-31 | 2020-05-15 | acceptance time not in the bulk data set | |
| 13F-HR 0001172661-20-000803 | Quarter ended 2019-12-31 | 2020-02-14 | acceptance time not in the bulk data set | |
| 13F-HR 0001172661-19-002359 | Quarter ended 2019-09-30 | 2019-11-14 | acceptance time not in the bulk data set | |
| 13F-HR 0001172661-19-001870 | Quarter ended 2019-06-30 | 2019-08-14 | acceptance time not in the bulk data set | |
| 13F-HR 0001172661-19-001348 | Quarter ended 2019-03-31 | 2019-05-15 | acceptance time not in the bulk data set | |
| 13F-HR 0001172661-19-000837 | Quarter ended 2018-12-31 | 2019-02-14 | acceptance time not in the bulk data set | |
| 13F-HR 0001172661-18-002155 | Quarter ended 2018-09-30 | 2018-11-14 | acceptance time not in the bulk data set | |
| 13F-HR 0001164691-18-000127 | Quarter ended 2018-06-30 | 2018-08-14 | acceptance time not in the bulk data set | |
| 13F-HR 0001164691-18-000080 | Quarter ended 2018-03-31 | 2018-05-15 | acceptance time not in the bulk data set | |
| 13F-HR 0001164691-18-000040 | Quarter ended 2017-12-31 | 2018-02-14 | acceptance time not in the bulk data set | |
| 13F-HR 0001164691-17-000184 | Quarter ended 2017-09-30 | 2017-11-14 | acceptance time not in the bulk data set | |
| 13F-HR 0001658363-17-000002 | Quarter ended 2017-06-30 | 2017-08-14 | acceptance time not in the bulk data set | |
| 13F-HR 0001164691-17-000104 | Quarter ended 2017-03-31 | 2017-05-15 | acceptance time not in the bulk data set | |
| 13F-HR 0001164691-17-000057 | Quarter ended 2016-12-31 | 2017-02-14 | acceptance time not in the bulk data set | |
| 13F-HR 0001164691-16-000310 | Quarter ended 2016-09-30 | 2016-11-14 | acceptance time not in the bulk data set | |
| 13F-HR 0001658363-16-000005 | Quarter ended 2016-06-30 | 2016-08-15 | acceptance time not in the bulk data set | |
| 13F-HR 0001164691-16-000271 | Quarter ended 2016-03-31 | 2016-05-16 | acceptance time not in the bulk data set | |
| 13F-HR 0001164691-16-000238 | Quarter ended 2015-12-31 | 2016-02-16 | acceptance time not in the bulk data set |