Maple Rock Capital Partners Inc. 13F holdings, Q2 2026
Holdings as of June 30, 2026 · filings on SEC EDGAR · this is the latest filing on record
Maple Rock Capital Partners Inc. disclosed 51 US equity positions worth $5.1bn in its Q2 2026 13F filing. The largest position was WDC at 17.0% of the reported book, followed by STX and UNH. Against the Q1 2026 filing, it opened 11 new positions, added to 25 and reduced 7 among the top 50 holdings.
What did Maple Rock Capital Partners Inc. own in Q2 2026? Top 50 positions
| # | Stock | Sector | Weight | Value | Shares | Δ shares | vs Q1 2026 |
|---|---|---|---|---|---|---|---|
| 1 | WDC WESTERN DIGITAL CORP | Technology | 17.0% | $867.3m | 1,357,834 | -3% | reduced |
| 2 | STX SEAGATE TECHNOLOGY HLDNGS PL | Technology | 5.7% | $290.6m | 301,162 | -44% | reduced |
| 3 | UNH UNITEDHEALTH GROUP INC | Healthcare | 5.6% | $283.1m | 681,100 | 216% | added |
| 4 | HUM HUMANA INC | Healthcare | 4.9% | $249.6m | 628,251 | 82% | added |
| 5 | ICLR ICON PUB LTD CO | Healthcare | 4.1% | $208.4m | 1,199,600 | 258% | added |
| 6 | TFII TFI INTERNATIONAL INC | Industrials | 4.0% | $203.6m | 1,418,409 | 4% | added |
| 7 | EQX EQUINOX GOLD CORP | Basic Materials | 3.3% | $170.4m | 17,531,248 | -10% | reduced |
| 8 | AAP ADVANCE AUTO PARTS INC | Consumer Cyclical | 3.0% | $150.6m | 2,421,040 | 87% | added |
| 9 | BKD BROOKDALE SR LIVING INC | Healthcare | 2.8% | $143.0m | 8,888,148 | 9% | added |
| 10 | NUE NUCOR CORP | Basic Materials | 2.7% | $136.8m | 614,000 | 424% | added |
| 11 | BTI BRITISH AMERN TOB PLC | Consumer Defensive | 2.6% | $133.8m | 2,166,000 | 36% | added |
| 12 | ARCELORMITTAL SA LUXEMBOURG | 2.6% | $131.9m | 2,190,860 | 55% | added | |
| 13 | CVS CVS HEALTH CORP | Healthcare | 2.4% | $123.9m | 1,197,996 | 14% | added |
| 14 | SW SMURFIT WESTROCK PLC | Consumer Cyclical | 2.4% | $120.7m | 2,608,298 | – | new |
| 15 | LPX LOUISIANA PAC CORP | Industrials | 2.3% | $119.7m | 1,521,859 | 37% | added |
| 16 | CNC CENTENE CORP DEL | Healthcare | 1.7% | $88.7m | 1,381,879 | 110% | added |
| 17 | RKT ROCKET COS INC | Financial Services | 1.7% | $87.3m | 5,543,600 | 77% | added |
| 18 | AA ALCOA CORP | Basic Materials | 1.6% | $82.3m | 1,577,720 | 75% | added |
| 19 | ARCB ARCBEST CORP | Industrials | 1.5% | $76.9m | 535,746 | 32% | added |
| 20 | ELV ELEVANCE HEALTH INC FORMERLY | Healthcare | 1.5% | $74.1m | 191,500 | 209% | added |
| 21 | XPO XPO INC | Industrials | 1.4% | $72.4m | 352,702 | 10% | added |
| 22 | RXO RXO INC | Industrials | 1.4% | $71.3m | 2,583,655 | – | new |
| 23 | ASTL ALGOMA STL GROUP INC | 1.3% | $68.3m | 16,861,818 | 6% | added | |
| 24 | FDXF FEDEX FGHT HLDG CO INC | Industrials | 1.3% | $68.2m | 451,700 | – | new |
| 25 | JD JD.COM INC | Consumer Cyclical | 1.3% | $68.0m | 2,670,542 | -12% | reduced |
| 26 | WERN WERNER ENTERPRISES INC | Industrials | 1.2% | $59.6m | 1,366,167 | 147% | added |
| 27 | TPB TURNING PT BRANDS INC | Consumer Defensive | 1.1% | $58.2m | 686,800 | 58% | added |
| 28 | WAB WABTEC | Industrials | 1.1% | $58.1m | 215,400 | 0% | held |
| 29 | MOS MOSAIC CO | Basic Materials | 1.1% | $56.8m | 2,680,000 | – | new |
| 30 | MOH MOLINA HEALTHCARE INC | Healthcare | 1.1% | $55.6m | 243,300 | 43% | added |
| 31 | FBIN FORTUNE BRANDS INNOVATIONS I | Industrials | 1.1% | $54.7m | 996,282 | 105% | added |
| 32 | LKQ LKQ CORP | Consumer Cyclical | 1.1% | $54.4m | 2,065,565 | 0% | held |
| 33 | RUN SUNRUN INC | Technology | 1.0% | $49.4m | 3,694,548 | 23% | added |
| 34 | WGO WINNEBAGO INDS INC | Consumer Cyclical | 1.0% | $48.7m | 1,559,231 | 33% | added |
| 35 | RMBS RAMBUS INC DEL | Technology | 0.9% | $45.5m | 342,600 | – | new |
| 36 | NGVT INGEVITY CORP | Basic Materials | 0.9% | $45.0m | 603,303 | 0% | held |
| 37 | GPK GRAPHIC PACKAGING HLDG CO | Consumer Cyclical | 0.8% | $43.3m | 4,099,800 | – | new |
| 38 | TECK TECK RESOURCES LTD | Basic Materials | 0.8% | $42.7m | 718,500 | – | new |
| 39 | GM GENERAL MTRS CO | Consumer Cyclical | 0.8% | $38.5m | 499,497 | – | new |
| 40 | THO THOR INDS INC | Consumer Cyclical | 0.7% | $34.7m | 461,864 | 0% | held |
| 41 | TLN TALEN ENERGY CORP | Utilities | 0.6% | $30.9m | 80,300 | – | new |
| 42 | LVS LAS VEGAS SANDS CORP | Consumer Cyclical | 0.6% | $30.6m | 662,824 | 0% | held |
| 43 | LYFT LYFT INC | Technology | 0.6% | $30.1m | 2,062,351 | -50% | reduced |
| 44 | CLF CLEVELAND-CLIFFS INC NEW | Basic Materials | 0.6% | $29.0m | 3,083,157 | -85% | reduced |
| 45 | KNX KNIGHT-SWIFT TRANSN HLDGS IN | Industrials | 0.6% | $28.5m | 366,095 | 0% | held |
| 46 | ASO ACADEMY SPORTS & OUTDOORS IN | Consumer Cyclical | 0.5% | $27.6m | 586,400 | -30% | reduced |
| 47 | AMZN AMAZON COM INC | Consumer Cyclical | 0.5% | $25.7m | 108,000 | – | new |
| 48 | RYAM RAYONIER ADVANCED MATLS INC | Basic Materials | 0.5% | $25.6m | 3,256,889 | 0% | held |
| 49 | HCC WARRIOR MET COAL INC | Basic Materials | 0.4% | $20.6m | 253,559 | 77% | added |
| 50 | IP INTERNATIONAL PAPER CO | Consumer Cyclical | 0.2% | $10.8m | 284,400 | – | new |
Weights are shares of the reported long US equity book (options excluded). Values are as filed, normalised to whole dollars. Share changes compare against the immediately preceding filing only.