Maple Rock Capital Partners Inc. In its 13F for Q3 2024 (holdings as of September 30, 2024, filed November 14, 2024), Maple Rock Capital Partners Inc. reported 28 stock positions worth $1.8 billion . Its top holding was Western Digital (WDC) at 12.8% of the portfolio, followed by Vistra (VST, 9.0% ) and Jd.com Inc.-ADR (JD, 8.1% ). Compared with Q2 2024, it opened 7 new positions, sold out of 6, added to 10 and reduced 7. The biggest buy was a new position in Talen Energy (TLN) and the biggest sale Spirit Aerosystems Hold Class A (SPR, shares −66% ).
Location Toronto, A6
CIK 0001658363
Portfolio Value $1.8B (Q3 2024) Holdings 28 stocks · $1.8B 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 Q2 2024 WDC Western Digital Corp. 3,287,400 $224.5M Add +13.2% VST Vistra Corp. 1,331,714 $157.9M Add +12.7% JD Jd.com Inc.-ADR 3,577,138 $143.1M Add +5.9% TLN Talen Energy Corp. 643,130 $114.6M New BABA Alibaba Group Holding-SP ADR 1,064,300 $112.9M Reduce -1.2% HCC Warrior Met Coal Inc. 1,460,992 $93.4M Add +193.9% TEVA Teva Pharmaceutical-SP ADR 4,559,401 $82.2M Add +1.0% LYFT LYFT Inc. Class A 6,186,000 $78.9M Add +84.8% PDD PDD Holdings Inc. 550,560 $74.2M New BLCO Bausch + Lomb Corp. 3,617,548 $69.8M Reduce -3.4% ASTL Algoma Steel Group Inc. 6,092,091 $62.3M No change TFII Tfi International Inc. 436,999 $59.8M Add +43.8% EQX Equinox Gold Corp. 9,169,400 $55.8M Add +34.4% SEE Sealed Air Corp. 1,517,493 $55.1M Add +56.6% SPR Spirit Aerosystems Hold Class A 1,494,080 $48.6M Reduce -66.2% TGI Triumph Group Inc. 3,323,178 $42.8M Reduce -10.2% BIDU Baidu Inc. - Spon ADR 406,000 $42.7M New GDXJ Vaneck Junior Gold Miners 781,982 $38.2M Reduce -28.7% RUN Sunrun Inc. 1,865,600 $33.7M Add +0.6% RNG Ringcentral Inc. Class A 995,956 $31.5M Reduce -21.9% STX Seagate Technology Holdings 274,900 $30.1M Reduce -31.8% HUYA Huya Inc.-ADR 5,145,125 $26.2M No change VIST Vista Energy Sab DE CV 511,000 $22.6M No change BHC Bausch Health Cos Inc. 2,064,900 $16.8M New BMA Banco Macro SA-ADR 261,400 $16.6M No change TDOC Teladoc Health Inc. 1,230,000 $11.3M New AAP Advance Auto Parts Inc. 232,000 $9.0M New INTC Intel Corp. 224,500 $5.3M New
Options reported separately and not counted above: SPY puts ($1.1B), GLD puts ($486.1M), ALB puts ($94.7M), NFE puts ($36.4M), MP calls ($8.8M).
Portfolio Sells Q2 2024 → Q3 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 Q2 2024 % Of Portfolio Change To Portfolio ▲ SPR Spirit Aerosystems Hold Class A Reduce -66.2% 2.76% −7.19 FMC FMC Corp. Sold out 0.00% −4.49 ARCH Arch Resources Inc. Sold out 0.00% −3.55 IQ Iqiyi Inc.-ADR Sold out 0.00% −2.59 COMP Compass Inc. Class A Sold out 0.00% −1.91 TGI Triumph Group Inc. Reduce -10.2% 2.43% −1.47 STX Seagate Technology Holdings Reduce -31.8% 1.71% −1.13 GDXJ Vaneck Junior Gold Miners Reduce -28.7% 2.17% −0.99 SFIX Stitch Fix Inc. Class A Sold out 0.00% −0.97 RNG Ringcentral Inc. Class A Reduce -21.9% 1.79% −0.67 IP International Paper Co. Sold out 0.00% −0.62 BLCO Bausch + Lomb Corp. Reduce -3.4% 3.96% +0.24 BABA Alibaba Group Holding-SP ADR Reduce -1.2% 6.42% +1.11
Portfolio Buys Q2 2024 → Q3 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 Q2 2024 % Of Portfolio Change To Portfolio ▼ TLN Talen Energy Corp. New 6.51% +6.51 PDD PDD Holdings Inc. New 4.22% +4.22 HCC Warrior Met Coal Inc. Add +193.9% 5.30% +3.17 BIDU Baidu Inc. - Spon ADR New 2.43% +2.43 JD Jd.com Inc.-ADR Add +5.9% 8.13% +2.16 VST Vistra Corp. Add +12.7% 8.97% +2.02 LYFT LYFT Inc. Class A Add +84.8% 4.48% +1.25 BHC Bausch Health Cos Inc. New 0.96% +0.96 SEE Sealed Air Corp. Add +56.6% 3.13% +0.82 EQX Equinox Gold Corp. Add +34.4% 3.17% +0.73 TDOC Teladoc Health Inc. New 0.64% +0.64 AAP Advance Auto Parts Inc. New 0.51% +0.51 RUN Sunrun Inc. Add +0.6% 1.91% +0.41 TFII Tfi International Inc. Add +43.8% 3.40% +0.38 INTC Intel Corp. New 0.30% +0.30 TEVA Teva Pharmaceutical-SP ADR Add +1.0% 4.67% −0.35 WDC Western Digital Corp. Add +13.2% 12.76% −2.30
Options Activity Q2 2024 → Q3 2024 Security Type Change vs Q2 2024 Underlying Shares Value ▼ SPY SS SPDR S&P 500 ETF Trust-US put Add +100.0% 2,000,000 $1.1B QQQ Invesco QQQ Trust Series 1 put Sold out 1,200,000 $574.9Mbefore exit GLD SPDR Gold Shares put New 2,000,000 $486.1M IWM iShares Russell 2000 ETF put Sold out 1,000,000 $202.9Mbefore exit ALB Albemarle Corp. put New 1,000,000 $94.7M ARCH Arch Resources Inc. put Sold out 300,000 $45.7Mbefore exit NFE New Fortress Energy Inc. call Sold out 2,000,000 $44.0Mbefore exit NFE New Fortress Energy Inc. put Add +100.0% 4,000,000 $36.4M SPR Spirit Aerosystems Hold Class A call Sold out 1,000,000 $32.9Mbefore exit MP MP Materials Corp. call New 500,000 $8.8M
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