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Super Investors Maple Rock Capital Partners Inc.
MR

Maple Rock Capital Partners Inc.

Quarterly 13F snapshot: US-listed longs only, no performance figures — 13F data cannot support them.

Portfolio value
$5.1B
Positions
51
Quarter ended
June 30, 2026
Filed
August 14, 2026

Reported portfolio value by quarter (43 quarters reported)

$5.1B $137M
Q4 15 Q1 18 Q2 20 Q3 22 Q4 24 Q2 26

$137M in Q4 2015 → $5.1B now. Hover for any quarter.

Holdings

As reported for the quarter ended June 30, 2026. Activity is the change in share count since the prior quarter's filing.

Holding % of portfolio Activity Shares Value
Western Digital Corp 17.0% Trimmed 3.0% 1,357,834 $867M
ST Seagate Technology Hldngs Pl 5.7% Trimmed 44% 301,162 $291M
Unitedhealth Group Inc 5.6% Added 216% 681,100 $283M
Humana Inc 4.9% Added 82% 628,251 $250M
IP Icon Pub Ltd Co 4.1% Added 258% 1,199,600 $208M
Tfi International Inc 4.0% Added 4.2% 1,418,409 $204M
Equinox Gold Corp 3.3% Trimmed 9.7% 17,531,248 $170M
Advance Auto Parts Inc 3.0% Added 87% 2,421,040 $151M
BS Brookdale Sr Living Inc 2.8% Added 9.0% 8,888,148 $143M
Nucor Corp 2.7% Added 424% 614,000 $137M
BA British Amern Tob PLC 2.6% Added 36% 2,166,000 $134M
AS Arcelormittal Sa Luxembourg 2.6% Added 55% 2,190,860 $132M
Cvs Health Corp 2.4% Added 14% 1,197,996 $124M
Smurfit Westrock PLC 2.4% New 2,608,298 $121M
LP Louisiana Pac Corp 2.3% Added 37% 1,521,859 $120M
CD Centene Corp Del 1.7% Added 110% 1,381,879 $88.7M
RC Rocket Cos Inc 1.7% Added 77% 5,543,600 $87.3M
Alcoa Corp 1.6% Added 75% 1,577,720 $82.3M
Arcbest Corp 1.5% Added 32% 535,746 $76.9M
EH Elevance Health Inc Formerly 1.5% Added 209% 191,500 $74.1M
Xpo Inc 1.4% Added 10% 352,702 $72.4M
Rxo Inc 1.4% New 2,583,655 $71.3M
AS Algoma Stl Group Inc 1.3% Added 5.8% 16,861,818 $68.3M
FF Fedex Fght Hldg Co Inc 1.3% New 451,700 $68.2M
Jd.com Inc 1.3% Trimmed 12% 2,670,542 $68M
Werner Enterprises Inc 1.2% Added 147% 1,366,167 $59.6M
TP Turning Pt Brands Inc 1.1% Added 58% 686,800 $58.2M
W Wabtec 1.1% Unchanged 215,400 $58.1M
Mosaic Co 1.1% New 2,680,000 $56.8M
Molina Healthcare Inc 1.1% Added 43% 243,300 $55.6M
FB Fortune Brands Innovations I 1.1% Added 105% 996,282 $54.7M
Lkq Corp 1.1% Unchanged 2,065,565 $54.4M
Sunrun Inc 1.0% Added 23% 3,694,548 $49.4M
WI Winnebago Inds Inc 1.0% Added 33% 1,559,231 $48.7M
RD Rambus Inc Del 0.9% New 342,600 $45.5M
Ingevity Corp 0.9% Unchanged 603,303 $45M
GP Graphic Packaging Hldg Co 0.8% New 4,099,800 $43.3M
Teck Resources Ltd 0.8% New 718,500 $42.7M
GM General Mtrs Co 0.8% New 499,497 $38.5M
TI Thor Inds Inc 0.7% Unchanged 461,864 $34.7M
Talen Energy Corp 0.6% New 80,300 $30.9M
Las Vegas Sands Corp 0.6% Unchanged 662,824 $30.6M
Lyft Inc 0.6% Trimmed 50% 2,062,351 $30.1M
CN Cleveland-cliffs Inc New 0.6% Trimmed 85% 3,083,157 $29M
KT Knight-swift Transn Hldgs In 0.6% Unchanged 366,095 $28.5M
AS Academy Sports & Outdoors In 0.5% Trimmed 30% 586,400 $27.6M
Amazon Com Inc 0.5% New 108,000 $25.7M
RA Rayonier Advanced Matls Inc 0.5% Unchanged 3,256,889 $25.6M
Warrior Met Coal Inc 0.4% Added 77% 253,559 $20.6M
International Paper Co 0.2% New 284,400 $10.8M
Sandisk Corp 0.1% Trimmed 99% 1,906 $4.33M

Timeline of changes

What changed each quarter, from the filings' own share counts. Largest moves first; most recent 8 quarters.

Q2 2026

quarter ended June 30, 2026 · filed August 14, 2026

Company Action Shares changed Value of change % of portfolio
Sandisk Corp Trimmed −164,594 −$374M 0.1%
ST Seagate Technology Hldngs Pl Trimmed −232,823 −$225M 5.7%
Unitedhealth Group Inc Added +465,700 +$194M 5.6%
CN Cleveland-cliffs Inc New Trimmed −17,662,400 −$166M 0.6%
IP Icon Pub Ltd Co Added +864,300 +$150M 4.1%
Smurfit Westrock PLC New +2,608,298 +$121M 2.4%
Humana Inc Added +283,451 +$113M 4.9%
Nucor Corp Added +496,788 +$111M 2.7%
Rxo Inc New +2,583,655 +$71.3M 1.4%
Advance Auto Parts Inc Added +1,122,900 +$69.9M 3.0%

Showing the 10 largest of 48 changes.

Q1 2026

quarter ended March 31, 2026 · filed May 15, 2026

Company Action Shares changed Value of change % of portfolio
Western Digital Corp Trimmed −981,091 −$265M 12.3%
Sandisk Corp Trimmed −321,800 −$204M 3.4%
Alcoa Corp Trimmed −2,359,980 −$157M 1.9%
TI Tfi Intl Inc New +1,361,831 +$148M 4.8%
Warrior Met Coal Inc Trimmed −1,494,179 −$139M 0.4%
SA Sealed Air Corp New Exited −2,105,556 −$87.2M —
BM Barrick Mng Corp Exited −1,991,400 −$86.7M —
CN Cleveland-cliffs Inc New Added +8,387,327 +$70.9M 5.7%
Teck Resources Ltd Exited −1,393,516 −$66.7M —
Xpo Inc New +320,242 +$62.3M 2.0%

Showing the 10 largest of 51 changes.

Q4 2025

quarter ended December 31, 2025 · filed February 17, 2026

Company Action Shares changed Value of change % of portfolio
Alcoa Corp New +3,263,300 +$173M 5.7%
TI Tfi Intl Inc Exited −1,098,362 −$96.7M —
BM Barrick Mng Corp New +1,991,400 +$86.7M 2.9%
CN Cleveland-cliffs Inc New Added +5,855,830 +$77.8M 5.4%
AG Alibaba Group Hldg Ltd Exited −406,930 −$72.7M —
Cvs Health Corp New +816,400 +$64.8M 2.1%
Sandisk Corp Trimmed −254,200 −$60.3M 3.8%
Intel Corp Exited −1,700,000 −$57M —
Equinox Gold Corp Added +3,589,200 +$50.4M 9.4%
Intel Corp Exited −1,346,800 −$45.2M —

Showing the 10 largest of 45 changes.

Q3 2025

quarter ended September 30, 2025 · filed November 14, 2025

Company Action Shares changed Value of change % of portfolio
Western Digital Corp Trimmed −1,145,971 −$138M 12.3%
ST Seagate Technology Hldngs Pl Trimmed −391,400 −$92.4M 6.9%
Teck Resources Ltd New +2,018,700 +$88.6M 3.5%
Avis Budget Group Exited −415,584 −$70.3M —
Talen Energy Corp Trimmed −165,076 −$70.2M 1.6%
Advance Auto Parts Inc Added +795,290 +$48.8M 2.3%
CD Centene Corp Del New +1,338,299 +$47.8M 1.9%
Humana Inc Added +178,756 +$46.5M 2.9%
Intel Corp New +1,346,800 +$45.2M 1.8%
KH Kyndryl Hldgs Inc Exited −1,000,832 −$42M —

Showing the 10 largest of 47 changes.

Q2 2025

quarter ended June 30, 2025 · filed August 14, 2025

Company Action Shares changed Value of change % of portfolio
IQ Invesco Qqq Tr Exited −1,000,000 −$469M —
SS SPDR S&P 500 ETF Tr Exited −700,000 −$392M —
Nvidia Corporation Exited −2,000,000 −$217M —
Tesla Inc Exited −500,000 −$130M —
Cheniere Energy Inc Exited −500,000 −$116M —
ST Seagate Technology Hldngs Pl Added +520,846 +$75.2M 8.0%
CN Cleveland-cliffs Inc New New +8,385,600 +$63.7M 3.1%
BA British Amern Tob PLC New +1,346,400 +$63.7M 3.1%
Baidu Inc Exited −625,100 −$57.5M —
Intel Corp Exited −2,106,230 −$47.8M —

Showing the 10 largest of 49 changes.

Q1 2025

quarter ended March 31, 2025 · filed May 15, 2025

Company Action Shares changed Value of change % of portfolio
SS SPDR S&P 500 ETF Tr Trimmed −800,000 −$448M 14.3%
SG SPDR Gold Tr Exited −1,500,000 −$363M —
Nvidia Corporation New +2,000,000 +$217M 7.9%
Tesla Inc New +500,000 +$130M 4.7%
Cheniere Energy Inc New +500,000 +$116M 4.2%
TP Teva Pharmaceutical Inds Ltd Exited −4,208,741 −$92.8M —
Albemarle Corp Exited −1,000,000 −$86.1M —
TG Triumph Group Inc New Exited −3,323,178 −$62M —
Talen Energy Corp Exited −300,000 −$60.4M —
Vistra Corp Exited −425,414 −$58.7M —

Showing the 10 largest of 50 changes.

Q4 2024

quarter ended December 31, 2024 · filed February 14, 2025

Company Action Shares changed Value of change % of portfolio
IQ Invesco Qqq Tr New +1,000,000 +$511M 15.3%
SS SPDR S&P 500 ETF Tr Trimmed −500,000 −$293M 26.4%
Vistra Corp Trimmed −906,300 −$125M 1.8%
SG SPDR Gold Tr Trimmed −500,000 −$121M 10.9%
Jd.com Inc Trimmed −2,355,500 −$81.7M 1.3%
Talen Energy Corp New +300,000 +$60.4M 1.8%
SA Spirit Aerosystems Hldgs Inc Exited −1,494,080 −$48.6M —
Talen Energy Corp Trimmed −206,400 −$41.6M 2.6%
VE Vaneck ETF Trust Exited −781,982 −$38.2M —
New Fortress Energy Inc Exited −4,000,000 −$36.4M —

Showing the 10 largest of 37 changes.

Q3 2024

quarter ended September 30, 2024 · filed November 14, 2024

Company Action Shares changed Value of change % of portfolio
IQ Invesco Qqq Tr Exited −1,200,000 −$575M —
SS SPDR S&P 500 ETF Tr Added +1,000,000 +$574M 32.5%
SG SPDR Gold Tr New +2,000,000 +$486M 13.8%
IT Ishares Tr Exited −1,000,000 −$203M —
Talen Energy Corp New +643,130 +$115M 3.2%
SA Spirit Aerosystems Hldgs Inc Trimmed −2,928,920 −$95.2M 1.4%
Albemarle Corp New +1,000,000 +$94.7M 2.7%
Pdd Holdings Inc New +550,560 +$74.2M 2.1%
Fmc Corp Exited −1,141,018 −$65.7M —
Warrior Met Coal Inc Added +963,892 +$61.6M 2.6%

Showing the 10 largest of 40 changes.

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