Maple Rock Capital Partners Inc. In its 13F for Q2 2024 (holdings as of June 30, 2024, filed August 14, 2024), Maple Rock Capital Partners Inc. reported 27 stock positions worth $1.5 billion . Its top holding was Western Digital (WDC) at 15.1% of the portfolio, followed by Spirit Aerosystems Hold Class A (SPR, 9.9% ) and Vistra (VST, 6.9% ). Compared with Q1 2024, it opened 4 new positions, sold out of 6, added to 9 and reduced 3. The biggest buy was a new position in Seagate Technology (STX) and the biggest sale an exit from Las Vegas Sands (LVS).
Location Toronto, A6
CIK 0001658363
Portfolio Value $1.5B (Q2 2024) Holdings 27 stocks · $1.5B Holdings quarter Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024 Q1 2024
Stock % Of Portfolio ▼ Shares Held Total Value Change vs Q1 2024 WDC Western Digital Corp. 2,904,010 $220.0M No change SPR Spirit Aerosystems Hold Class A 4,423,000 $145.4M No change VST Vistra Corp. 1,181,300 $101.6M Reduce -31.3% JD Jd.com Inc.-ADR 3,376,938 $87.3M Add +1.5% BABA Alibaba Group Holding-SP ADR 1,077,500 $77.6M Add +13.0% TEVA Teva Pharmaceutical-SP ADR 4,512,401 $73.3M Add +3.4% FMC FMC Corp. 1,141,018 $65.7M Add +92.9% TGI Triumph Group Inc. 3,699,178 $57.0M No change BLCO Bausch + Lomb Corp. 3,745,062 $54.4M No change ARCH Arch Resources Inc. 341,012 $51.9M Reduce -34.7% LYFT LYFT Inc. Class A 3,348,000 $47.2M Add +22.8% GDXJ Vaneck Junior Gold Miners 1,096,482 $46.2M Add +150.6% TFII Tfi International Inc. 303,999 $44.1M Add +9.6% ASTL Algoma Steel Group Inc. 6,092,091 $42.4M No change STX Seagate Technology Holdings 402,800 $41.6M New IQ Iqiyi Inc.-ADR 10,320,000 $37.9M No change RNG Ringcentral Inc. Class A 1,274,956 $36.0M Add +9.1% EQX Equinox Gold Corp. 6,820,400 $35.7M Add +38.0% SEE Sealed Air Corp. 969,000 $33.7M New HCC Warrior Met Coal Inc. 497,100 $31.2M New COMP Compass Inc. Class A 7,771,531 $28.0M No change VIST Vista Energy Sab DE CV 511,000 $23.2M No change RUN Sunrun Inc. 1,855,000 $22.0M No change HUYA Huya Inc.-ADR 5,145,125 $20.3M No change BMA Banco Macro SA-ADR 261,400 $15.0M Reduce -47.5% SFIX Stitch Fix Inc. Class A 3,406,934 $14.1M No change IP International Paper Co. 210,000 $9.1M New
Options reported separately and not counted above: QQQ puts ($574.9M), SPY puts ($544.2M), IWM puts ($202.9M), ARCH puts ($45.7M), NFE puts ($44.0M), NFE calls ($44.0M), SPR calls ($32.9M).
Portfolio Sells Q1 2024 → Q2 2024 Portfolio Sells quarter Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024 Q1 2024
Stock Change vs Q1 2024 % Of Portfolio Change To Portfolio ▲ LVS Las Vegas Sands Corp. Sold out 0.00% −3.55 BIDU Baidu Inc. - Spon ADR Sold out 0.00% −3.20 MT Arcelormittal-NY Registered Sold out 0.00% −2.31 LPX Louisiana-Pacific Corp. Sold out 0.00% −1.99 ARCH Arch Resources Inc. Reduce -34.7% 3.55% −1.77 CEG Constellation Energy Sold out 0.00% −1.76 GPN Global Payments Inc. Sold out 0.00% −1.63 VST Vistra Corp. Reduce -31.3% 6.95% −0.64 BMA Banco Macro SA-ADR Reduce -47.5% 1.03% −0.49
Portfolio Buys Q1 2024 → Q2 2024 Portfolio Buys quarter Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024 Q1 2024
Stock Change vs Q1 2024 % Of Portfolio Change To Portfolio ▼ STX Seagate Technology Holdings New 2.85% +2.85 SEE Sealed Air Corp. New 2.31% +2.31 HCC Warrior Met Coal Inc. New 2.13% +2.13 FMC FMC Corp. Add +92.9% 4.49% +2.11 GDXJ Vaneck Junior Gold Miners Add +150.6% 3.16% +2.09 TEVA Teva Pharmaceutical-SP ADR Add +3.4% 5.02% +1.12 BABA Alibaba Group Holding-SP ADR Add +13.0% 5.31% +0.94 IP International Paper Co. New 0.62% +0.62 EQX Equinox Gold Corp. Add +38.0% 2.44% +0.56 TFII Tfi International Inc. Add +9.6% 3.02% +0.22 JD Jd.com Inc.-ADR Add +1.5% 5.97% +0.20 LYFT LYFT Inc. Class A Add +22.8% 3.23% −0.11 RNG Ringcentral Inc. Class A Add +9.1% 2.46% −0.11
Options Activity Q1 2024 → Q2 2024 Security Type Change vs Q1 2024 Underlying Shares Value ▼ QQQ Invesco QQQ Trust Series 1 put New 1,200,000 $574.9M SPY SS SPDR S&P 500 ETF Trust-US put New 1,000,000 $544.2M IWM iShares Russell 2000 ETF put New 1,000,000 $202.9M TSLA Tesla Inc. put Sold out 700,000 $123.1Mbefore exit WDC Western Digital Corp. call Sold out 1,500,000 $102.4Mbefore exit ARCH Arch Resources Inc. put New 300,000 $45.7M NFE New Fortress Energy Inc. put New 2,000,000 $44.0M NFE New Fortress Energy Inc. call New 2,000,000 $44.0M SPR Spirit Aerosystems Hold Class A call New 1,000,000 $32.9M
Calls and puts are listed by the shares they cover; their value is not part of the stock holdings above.
All Filings Quarter Positions 13F Reported Value Top Holdings Q2 2026 51 $5.1B WDC, STX, UNH, HUM, ICLR Q1 2026 44 $3.1B WDC, EQX, STX, CLF, TFII Q4 2025 38 $3.0B WDC, EQX, STX, AA, CLF Q3 2025 40 $2.5B WDC, EQX, STX, RUN, TFII Q2 2025 39 $2.0B WDC, STX, TFII, EQX, PDD Q1 2025 35 $1.4B WDC, TFII, BABA, TLN, PDD Q4 2024 29 $1.4B WDC, TEVA, TLN, LYFT, TFII Q3 2024 28 $1.8B WDC, VST, JD, TLN, BABA Q2 2024 27 $1.5B WDC, SPR, VST, JD, BABA Q1 2024 29 $1.6B WDC, SPR, VST, JD, ARCH