Maple Rock Capital Partners, Inc.
13F Reported Value
ⓘ$3.1B
Holdings
44
Latest Filing
2026-03-31
Filing Quarter
Q1 2026
Portfolio Overview
Maple Rock Capital Partners, Inc. disclosed 44 positions worth $3.1B in its Form 13F-HR for Q1 2026, led by $WDC (WESTERN DIGITAL CORP) at 12.3% of the equity portfolio, followed by $EQX and $STX. During the quarter the fund opened 13 new positions and exited 7 — including a new stake in $TFII and a full exit from $SDA. The portfolio is most concentrated in Materials (25.6% of disclosed assets). All figures are sourced directly from Maple Rock Capital Partners, Inc.’s Form 13F-HR filing with the SEC under CIK 1658363.
AI Fund Analysis
DiversifyingSector Allocation
AUM History
Top Equity Holdings by Value
Quarterly Activity — Q1 2026
Click any card to unlockTop Holdings
- 76.8#98
Quality
$378.8M1,400,434 sh - —
Quality
$280.8M19,424,648 sh - —
Quality
$209.2M533,985 sh - 35.7
Quality
$175.3M20,745,557 sh - —
Quality
$147.9M1,361,831 sh - 43.1
Quality
$111.6M8,157,148 sh - 88.8
Quality
$105.8M166,500 sh - —
Quality
$92.9M1,589,100 sh - —
Quality
$89.5M3,026,262 sh - 50.7
Quality
$80.9M1,112,559 sh
| Company | Quality | Value | Shares |
|---|---|---|---|
| 76.8#98 | $378.8M | 1,400,434 | |
| — | $280.8M | 19,424,648 | |
| — | $209.2M | 533,985 | |
| 35.7 | $175.3M | 20,745,557 | |
| — | $147.9M | 1,361,831 | |
| 43.1 | $111.6M | 8,157,148 | |
| 88.8 | $105.8M | 166,500 | |
| — | $92.9M | 1,589,100 | |
| — | $89.5M | 3,026,262 | |
| 50.7 | $80.9M | 1,112,559 |
Unlock AI quality scores for every holding
32-signal composite ranking on each of Maple Rock Capital Partners, Inc.'s 44 positions.
Showing top 10 of 44 holdings.
Sector Allocation
Materials
$786.7M
Technology
$766.5M
Industrials
$506.8M
Healthcare
$447.3M
Consumer Discretionary
$377.5M
Consumer Staples
$130.8M
Financials
$44.6M
Energy
$13.3M
Full Holdings — Maple Rock Capital Partners, Inc. (Q1 2026)
All 44 disclosed positions from the latest Form 13F-HR, with quarter-over-quarter share changes and 13F Pro quality scores. Sourced from SEC EDGAR.
| # | Ticker | Company | Value | Weight | QoQ | Quality |
|---|---|---|---|---|---|---|
| 1 | WESTERN DIGITAL CORP | $378.8M | 12.3% | -41% | 76.8 | |
| 2 | Equinox Gold Corp. | $280.8M | 9.1% | -4% | — | |
| 3 | Seagate Technology Holdings plc | $209.2M | 6.8% | -20% | — | |
| 4 | CLEVELAND-CLIFFS INC. | $175.3M | 5.7% | +68% | 35.7 | |
| 5 | TFI International Inc. | $147.9M | 4.8% | NEW | — | |
| 6 | Brookdale Senior Living Inc. | $111.6M | 3.6% | -4% | 43.1 | |
| 7 | Sandisk Corp | $105.8M | 3.4% | -66% | 88.8 | |
| 8 | British American Tobacco p.l.c. | $92.9M | 3.0% | -4% | — | |
| 9 | JD.com, Inc. | $89.5M | 2.9% | +58% | — | |
| 10 | LOUISIANA-PACIFIC CORP | $80.9M | 2.6% | +89% | 50.7 | |
| 11 | CVS HEALTH Corp | $75.3M | 2.5% | +28% | 51.3 | |
| 12 | ArcelorMittal | $73.5M | 2.4% | -13% | — | |
| 13 | ADVANCE AUTO PARTS INC | $68.5M | 2.2% | -4% | 42.3 | |
| 14 | Algoma Steel Group Inc. | $65.8M | 2.1% | +10% | — | |
| 15 | XPO, Inc. | $62.3M | 2.0% | NEW | 55.3 | |
| 16 | LKQ CORP | $60.7M | 2.0% | +97% | 54.3 | |
| 17 | Alcoa Corp | $59.9M | 1.9% | -72% | 66.2 | |
| 18 | HUMANA INC | $59.8M | 1.9% | +100% | 82 | |
| 19 | UNITEDHEALTH GROUP INC | $58.3M | 1.9% | +292% | 66.8 | |
| 20 | Lyft, Inc. | $54.9M | 1.8% | -4% | 63.1 | |
| 21 | WESTINGHOUSE AIR BRAKE TECHNOLOGIES CORP | $53.8M | 1.8% | NEW | 70.8 | |
| 22 | Academy Sports & Outdoors, Inc. | $47.4M | 1.5% | NEW | 54.2 | |
| 23 | Rocket Companies, Inc. | $44.6M | 1.4% | +72% | — | |
| 24 | Ingevity Corp | $43.0M | 1.4% | -11% | 52.7 | |
| 25 | Sunrun Inc. | $40.7M | 1.3% | -44% | 54.6 | |
| 26 | ARCBEST CORP /DE/ | $39.8M | 1.3% | +181% | 42.9 | |
| 27 | GOODYEAR TIRE & RUBBER CO /OH/ | $38.6M | 1.3% | +46% | 32.6 | |
| 28 | Turning Point Brands, Inc. | $37.8M | 1.2% | +9% | 57.7 | |
| 29 | ICON PLC | $37.1M | 1.2% | NEW | — | |
| 30 | B2GOLD CORP | $37.0M | 1.2% | NEW | — | |
| 31 | THOR INDUSTRIES INC | $36.9M | 1.2% | +170% | 52.7 | |
| 32 | WINNEBAGO INDUSTRIES INC | $36.3M | 1.2% | NEW | 46.6 | |
| 33 | RAYONIER ADVANCED MATERIALS INC. | $36.1M | 1.2% | NEW | 31.1 | |
| 34 | LAS VEGAS SANDS CORP | $35.7M | 1.2% | -52% | 73.7 | |
| 35 | WHIRLPOOL CORP /DE/ | $32.0M | 1.0% | +47% | 40.6 | |
| 36 | MOLINA HEALTHCARE, INC. | $22.6M | 0.7% | -25% | 60.5 | |
| 37 | CENTENE CORP | $21.5M | 0.7% | -35% | 52.7 | |
| 38 | Knight-Swift Transportation Holdings Inc. | $21.1M | 0.7% | NEW | 49.3 | |
| 39 | NUCOR CORP | $19.8M | 0.6% | NEW | 58.9 | |
| 40 | Fortune Brands Innovations, Inc. | $18.9M | 0.6% | NEW | 48.7 | |
| 41 | Elevance Health, Inc. | $18.2M | 0.6% | NEW | 59.4 | |
| 42 | WERNER ENTERPRISES INC | $16.3M | 0.5% | -30% | 39.2 | |
| 43 | AVIS BUDGET GROUP, INC. | $13.5M | 0.4% | NEW | 49.2 | |
| 44 | WARRIOR MET COAL, INC. | $13.3M | 0.4% | -91% | 42.1 |
New Positions (13)
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