Institutional Manager · CIK 0001658363
Maple Rock Capital Partners Inc.
Toronto, A6 · File #028-17337
Latest AUM
$3.03B
Positions
38
Top-10 Concentration
58.1%
Filings
9
Portfolio Value Over Time
2024-03
2024-06
2024-09
2024-12
2025-03
2025-06
2025-09
2025-12
Biggest QoQ Changes
Ranked by conviction flow (share change × current price) so mark-to-market moves don't dominate. Price effect column shows how much of the $ change was just the stock moving.
| Action | Issuer | Ticker / CUSIP | Δ Shares | Flow ($) | Price Effect |
|---|---|---|---|---|---|
| NEW | ALCOA CORP | AA | +3,263,300 | +$173.4M | $0 |
| EXITED | TFI INTL INC | 87241L109 | -1,098,362 | -$96.7M | $0 |
| NEW | BARRICK MNG CORP | 06849F108 | +1,991,400 | +$86.7M | $0 |
| ADD | CLEVELAND-CLIFFS INC NEW | CLF | +5,855,830 | +$77.8M | +$7.0M |
| EXITED | ALIBABA GROUP HLDG LTD | 01609W102 | -406,930 | -$72.7M | $0 |
| NEW | CVS HEALTH CORP | CVS | +816,400 | +$64.8M | $0 |
| REDUCE | SANDISK CORP | SNDK | -254,200 | -$60.3M | +$92.9M |
| EXITED | INTEL CORP | 458140100 | -1,700,000 | -$57.0M | $0 |
| ADD | EQUINOX GOLD CORP | EQX | +3,589,200 | +$50.4M | +$47.1M |
| EXITED | TALEN ENERGY CORP | 87422Q109 | -98,175 | -$41.8M | $0 |
Sector Allocation
Filing History
- 13F HOLDINGS REPORTQ/E Dec 202538 pos · $3.03B
- 13F HOLDINGS REPORTQ/E Sep 202541 pos · $2.53B
- 13F HOLDINGS REPORTQ/E Jun 202540 pos · $2.04B
- 13F HOLDINGS REPORTQ/E Mar 202541 pos · $2.73B
- 13F HOLDINGS REPORTQ/E Dec 202436 pos · $3.33B
- 13F HOLDINGS REPORTQ/E Sep 202433 pos · $3.53B
- 13F HOLDINGS REPORTQ/E Jun 202434 pos · $2.95B
- 13F HOLDINGS REPORTQ/E Mar 202431 pos · $1.80B
- 13F HOLDINGS REPORTQ/E Dec 202326 pos · $1.14B
Top 20 Holdings — Dec 2025
| # | Issuer | Ticker | Shares | Value | % of Portfolio |
|---|---|---|---|---|---|
| 1 | WESTERN DIGITAL CORP | WDC | 2,381,525 | $410.3M | 13.55% |
| 2 | EQUINOX GOLD CORP | EQX | 20,234,048 | $284.2M | 9.39% |
| 3 | SEAGATE TECHNOLOGY HLDNGS PL | SE | 665,852 | $183.4M | 6.06% |
| 4 | ALCOA CORP | AA | 3,263,300 | $173.4M | 5.73% |
| 5 | CLEVELAND-CLIFFS INC NEW | CLF | 12,358,230 | $164.1M | 5.42% |
| 6 | WARRIOR MET COAL INC | HCC | 1,637,238 | $144.4M | 4.77% |
| 7 | SANDISK CORP | SNDK | 488,300 | $115.9M | 3.83% |
| 8 | SUNRUN INC | RUN | 5,322,948 | $97.9M | 3.24% |
| 9 | BRITISH AMERN TOB PLC | 110448107 | 1,655,300 | $93.7M | 3.10% |
| 10 | BROOKDALE SR LIVING INC | 112463104 | 8,497,048 | $91.7M | 3.03% |
| 11 | LAS VEGAS SANDS CORP | LVS | 1,380,847 | $89.9M | 2.97% |
| 12 | SEALED AIR CORP NEW | SE | 2,105,556 | $87.2M | 2.88% |
| 13 | BARRICK MNG CORP | 06849F108 | 1,991,400 | $86.7M | 2.86% |
| 14 | LYFT INC | LYFT | 4,296,603 | $83.2M | 2.75% |
| 15 | ARCELORMITTAL SA LUXEMBOURG | ARCXF | 1,630,600 | $74.3M | 2.45% |
| 16 | TECK RESOURCES LTD | TCKRF | 1,393,516 | $66.7M | 2.20% |
| 17 | CVS HEALTH CORP | CVS | 816,400 | $64.8M | 2.14% |
| 18 | ALGOMA STL GROUP INC | 015658107 | 14,430,818 | $59.2M | 1.95% |
| 19 | JD.COM INC | JDCMF | 1,920,162 | $55.1M | 1.82% |
| 20 | ADVANCE AUTO PARTS INC | AAP | 1,352,240 | $53.1M | 1.76% |