1y return+140.2%S&P 500 +20.9%
3y return+219.1%S&P 500 +68.5%
5y return+179.7%S&P 500 +74.5%
10y return+713.1%S&P 500 +256.5%
These returns are for its stock picks as disclosed on Form 13F: last quarter's holdings, valued at this quarter's prices. They miss trades within each quarter, short positions, options, bonds, cash and fees, so they aren't the returns its clients got.
$100 invested in its stock picks
Since June 30, 2016: $813 against $357 in the S&P 500.2
Maple Rock Capital Partners Inc.S&P 500 (SPY)
Top holdings
At the end of June 30, 2026. Change is in shares since the quarter before.2
| Stock | Value | Share of portfolio | Change |
|---|---|---|---|
| WDCWestern Digital Corp | $867.3M | 17.0% | −3.0% |
| Seagate Technology Hldngs PlCUSIP G7997R103 | $290.6M | 5.7% | −43.6% |
| UNHUnitedhealth Group Inc | $283.1M | 5.6% | +216.2% |
| HUMHumana Inc | $249.6M | 4.9% | +82.2% |
| Icon Pub Ltd CoCUSIP G4705A100 | $208.4M | 4.1% | +257.8% |
| TFIITfi International Inc | $203.6M | 4.0% | +4.2% |
| EQXEquinox Gold Corp | $170.4M | 3.3% | −9.7% |
| AAPAdvance Auto Parts Inc | $150.6M | 3.0% | +86.5% |
| BKDBrookdale Sr Living Inc | $143.0M | 2.8% | +9.0% |
| NUENucor Corp | $136.8M | 2.7% | +423.8% |
| BTIBritish Amern Tob PLC | $133.8M | 2.6% | +36.3% |
| MTArcelormittal Sa Luxembourg | $131.9M | 2.6% | +54.9% |
| CVSCvs Health Corp | $123.9M | 2.4% | +14.3% |
| Smurfit Westrock PLCCUSIP G8267P108 | $120.7M | 2.4% | New |
| LPXLouisiana Pac Corp | $119.7M | 2.3% | +36.8% |
| CNCCentene Corp Del | $88.7M | 1.7% | +110.5% |
| RKTRocket Cos Inc | $87.3M | 1.7% | +76.9% |
| AAAlcoa Corp | $82.3M | 1.6% | +74.7% |
| ARCBArcbest Corp | $76.9M | 1.5% | +32.5% |
| ELVElevance Health Inc Formerly | $74.1M | 1.5% | +208.9% |
| XPOXpo Inc | $72.4M | 1.4% | +10.1% |
| RXORxo Inc | $71.3M | 1.4% | New |
| ASTLAlgoma Stl Group Inc | $68.3M | 1.3% | +5.8% |
| FDXFFedex Fght Hldg Co Inc | $68.2M | 1.3% | New |
| JDJd.com Inc | $68.0M | 1.3% | −11.8% |
Best picks still held
How each current holding has done since the quarter it first appeared in its filings (up to six years back).
| Stock | Held since | Return since | Now worth |
|---|---|---|---|
| WDCWestern Digital Corp | June 30, 2020 | +1346.7% | $867.3M |
| Seagate Technology Hldngs PlCUSIP G7997R103 | June 30, 2024 | +834.4% | $290.6M |
| BKDBrookdale Sr Living Inc | June 30, 2025 | +131.2% | $143.0M |
| ARCBArcbest Corp | December 31, 2025 | +93.5% | $76.9M |
| NGVTIngevity Corp | December 31, 2024 | +83.2% | $45.0M |
| CNCCentene Corp Del | September 30, 2025 | +79.9% | $88.7M |
| MTArcelormittal Sa Luxembourg | September 30, 2025 | +66.6% | $131.9M |
| EQXEquinox Gold Corp | March 31, 2024 | +61.5% | $170.4M |
| AAPAdvance Auto Parts Inc | September 30, 2024 | +59.6% | $150.6M |
| Icon Pub Ltd CoCUSIP G4705A100 | March 31, 2026 | +57.0% | $208.4M |
Sold off last quarter
- GTGoodyear Tire & Rubr Co was $38.6M
- BTGB2gold Corp was $37.0M
- WHRWhirlpool Corp was $32.0M
- CARAvis Budget Group Inc was $13.5M
Quarter by quarter
| Quarter | Its picks | S&P 500 |
|---|---|---|
| June 30, 2026 | +35.3% | +14.8% |
| March 31, 2026 | +14.0% | −4.6% |
| December 31, 2025 | +15.6% | +2.4% |
| September 30, 2025 | +34.7% | +7.8% |
| June 30, 2025 | +16.5% | +10.5% |
| March 31, 2025 | −9.9% | −4.6% |
| December 31, 2024 | −4.2% | +2.1% |
| September 30, 2024 | +12.5% | +5.4% |
| June 30, 2024 | −2.7% | +4.0% |
| March 31, 2024 | +6.1% | +10.0% |
| December 31, 2023 | +11.7% | +11.2% |
| September 30, 2023 | +1.9% | −3.6% |
| June 30, 2023 | −8.1% | +8.3% |
| March 31, 2023 | +4.3% | +7.0% |
| December 31, 2022 | +8.1% | +7.1% |
| September 30, 2022 | −12.4% | −5.3% |
| June 30, 2022 | −19.9% | −16.5% |
| March 31, 2022 | +14.3% | −4.9% |
| December 31, 2021 | +0.7% | +10.7% |
| September 30, 2021 | +4.9% | +0.3% |
Sources
Every number on this page points here. Each one links to the public record.
- 1SEC EDGAR: Maple Rock Capital Partners Inc. Form 13F filingshttps://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=1658363&type=13F-HR&dateb=&owner=include&count=40CIK 1658363
- 2SEC: 13F for the quarter ended June 30, 2026https://www.sec.gov/Archives/edgar/data/1658363/000165836326000007/Filed August 14, 2026 · accession 0001658363-26-000007