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Maple Rock Capital Partners Inc.

Xavier Majic · Hedge Fund · Long/Short Equity

Maple Rock Capital Partners Inc. is a Toronto-based investment management firm founded in 2014 by Xavier Majic. The firm operates as a globally oriented hedge fund, specializing in a concentrated portfolio of small- and mid-cap equities. Maple Rock is known for its value-oriented and opportunistic approach, targeting mispriced assets in structurally inefficient sectors and countries. Headquartered in Canada with a satellite office in the San Francisco Bay Area, the firm leverages deep fundamental research and situational analysis to generate long-term capital appreciation for its clients.

Simulated Performance

MetricValue
Total return+153.0%
YTD return+108.3%
Sharpe ratio2.73
Win rate49%
AUM$3.1B
InceptionOct 1, 2025
UpdatedSep 4, 2026

Institution Status

FieldValue
AUM$3.1B
TurnoverLow (<15%)
Avg holding18 Months
InceptionOct 1, 2025
Websitehttps://maplerockpartners.com

Current Holdings

Updated on Sep 4, 2026.

TickerNamePortfolio %Return
WDCWestern Digital Corporation20.0%+169.4%
UNHUnitedHealth Group Incorporated8.6%+2.1%
STXSeagate Technology PLC8.0%+118.9%
HUMHumana Inc7.8%+19.7%
ICLRICON PLC6.5%-0.9%
MTArcelorMittal SA ADR5.2%+35.2%
NUENucor Corp4.9%+4.2%
SWSmurfit WestRock plc4.0%-5.1%
BTIBritish American Tobacco p.l.c.3.9%-4.6%
CVSCVS Health Corp3.6%+14.3%
LPXLouisiana-Pacific Corporation3.4%-8.0%
BKDBrookdale Senior Living Inc3.4%-0.7%
AAPAdvance Auto Parts Inc3.3%-11.6%
CNCCentene Corp2.8%+3.4%
AAAlcoa Corp2.5%-0.7%
RKTRocket Companies Inc2.5%+1.6%
JDJD.com Inc Adr2.4%-9.6%
ELVElevance Health Inc2.4%+3.2%
ARCBArcBest Corp2.3%+11.2%
ASTLAlgoma Steel Group Inc2.3%+16.0%

Recent activity

DateActionTickerWeight
Aug 31, 2026SELLLKQ1.8% → 0.0%
Aug 31, 2026BUYNUE0.0% → 4.9%
Aug 31, 2026BUYICLR1.9% → 6.5%
Aug 31, 2026BUYHUM4.7% → 7.8%
Aug 31, 2026SELLWAB2.3% → 0.0%

Investment Style Analysis

Maple Rock Capital Partners Inc. is widely recognized for employing a Long/Short Equity strategy. As of Sep 4, 2026, the firm oversees approximately $3.1B in assets under management (AUM). The portfolio demonstrates a clear preference for the Computer Hardware and Healthcare Plans sectors, reflecting a high-conviction approach to capital allocation.

Recent Market Moves

During the latest rebalancing period ending Aug 31, Maple Rock Capital Partners Inc. made a significant move by reducing the position in LKQ. This adjustment aligns with the fund's dynamic approach to risk management and capital deployment in current market conditions.

Investment Philosophy

Maple Rock Capital Partners employs a strategy centered on a concentrated portfolio of high-conviction ideas, primarily targeting small- and mid-cap equities. The firm's investment process is built on pattern recognition, deep company-specific knowledge, and detailed situational analysis to identify mispriced opportunities driven by fundamental or technical factors. Maple Rock emphasizes long-term holdings and maintains close relationships with management teams to gain a thorough understanding of businesses and their industries. The strategy utilizes both long and short positions to navigate complex market environments and achieve superior risk-adjusted returns.

Disclaimer

The content provided on this page, including the simulated portfolio performance, holdings analysis, and AI-generated insights, is for informational and educational purposes only. It does not constitute financial advice, investment recommendations, or an offer to buy or sell any securities. All data is derived from historical SEC 13F filings and other public disclosures, which have a reporting lag. The "Simulated Performance" is a hypothetical reconstruction based on past disclosures and does not represent the actual returns of the institution. Past performance is not indicative of future results. Tritonix.ai is not affiliated with Maple Rock Capital Partners Inc..

Similar Investment Style

Based on Long/Short Equity.

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  • Redmile Group, LLC — Jeremy Green · 3M +29.9%

Frequently asked questions

How is the simulated portfolio for Maple Rock Capital Partners Inc. constructed?

This simulation is powered by Tritonix AI using official SEC filings. We focus on the "Best Ideas" by filtering for only the Top 20 largest holdings and rebalancing them to 100%. The simulation tracks performance starting from Oct 1, 2025. Our AI monitors for updates every Monday to capture major shifts. This concentrated approach highlights the manager's true stock-picking skill and mirrors their actual investment returns.

What is Maple Rock Capital Partners Inc.'s largest holding?

As of the latest filing, Maple Rock Capital Partners Inc.'s top position is Western Digital Corporation (WDC), representing 20.0% of the portfolio. This reflects a high-conviction bet by the institution.

What is Maple Rock Capital Partners Inc.'s historical performance and risk profile?

Our simulation indicates a total return of +153.0% with a win rate of 49%. Notably, the portfolio maintains a Sharpe Ratio of 2.73, suggesting an excellent level of risk-adjusted returns compared to the broader market.

What sectors does Maple Rock Capital Partners Inc. primarily invest in?

Maple Rock Capital Partners Inc. has a strong preference for the Computer Hardware sector, which makes up 28.1% of their disclosed assets. The portfolio also has exposure to Healthcare Plans, indicating a specific thematic focus.

Is Maple Rock Capital Partners Inc.'s portfolio concentrated or diversified?

Maple Rock Capital Partners Inc. runs a moderately concentrated portfolio with 20 disclosed positions. The top 3 holdings alone account for 36.6% of the total portfolio weight, suggesting a strategy that favors broader market exposure.

How has Maple Rock Capital Partners Inc. performed in 2026?

Our AI-simulated model portfolio for Maple Rock Capital Partners Inc. tracks a Year-to-Date (YTD) return of +108.3%. This metric helps investors gauge the institution's effectiveness in the current market environment.

Does Xavier Majic manage Maple Rock Capital Partners Inc. directly?

Yes, Xavier Majic serves as the key portfolio manager for Maple Rock Capital Partners Inc., overseeing the investment strategy and final capital allocation decisions.