13F GuideFiling Basics
What is SEC Form 13F? Ultimate Guide to Institutional Equity Filings
Learn how SEC Form 13F filings work, the $100M threshold, 45-day reporting lag, and how to track top hedge fund holdings.
AlphaSMO Research GuideRead Guide
CIK: 0001658363
Total reported value
$5.1B
$5.1B
40 檔
17.7%
During the Q3 2025 filing period, Maple Rock Capital Partners Inc. (CIK: 0001658363) submitted its Form 13F report to the U.S. SEC, disclosing a tracked public equity portfolio valued at $5.1B across 40 reported positions.
Maple Rock Capital Partners Inc. executed strategic sector rebalancing during Q3 2025, establishing 14 new positions while fully exiting 14 holdings and trimming 9 positions.
| # | Ticker | Issuer | Asset Subclass | Weight | Weight Change | Shares Change | 4Q Trend |
|---|---|---|---|---|---|---|---|
| 1 | WDC | Western Digital CORP | Stock-Tech | 12.27% | +4.69% | -30.68% | |
| 2 | EQX | Equinox Gold CORP | Stock-Other | 7.37% | -5.80% | +16.33% | |
| 3 | STX | Seagate Technology Holdings plc | Stock-Tech | 6.90% | -1.11% | -34.58% | |
| 4 | RUN | Sunrun Inc | Stock-Tech | 5.08% | -0.35% | -8.52% | |
| 5 | INTC | Intel CORP | Stock-Tech | 4.03% | — | +79.22% | |
| 6 | TFII | Tfi International Inc | Stock-Other | 3.82% | -0.82% | -4.30% | |
| 7 | HCC | Warrior Met Coal Inc | Stock-Materials | 3.67% | -0.03% | +31.41% | |
| 8 | TECK | Teck Resources Ltd-cls B | Stock-Materials | 3.50% | +0.84% | NEW | |
| 9 | SNDK | Sandisk CORP | Stock-Tech | 3.29% | -3.36% | +34.51% | |
| 10 | CLF | Cleveland-cliffs Inc | Stock-Materials | 3.13% | -5.13% | -22.46% | |
| 11 | JD | Jd.com Inc-adr | Stock-Consumer Disc | 3.10% | -1.58% | +21.34% | |
| 12 | LYFT | Lyft Inc-a | Stock-Tech | 3.05% | -1.19% | -18.32% | |
| 13 | HUM | Humana Inc | Stock-Healthcare | 2.91% | +2.94% | +170.99% | |
| 14 | BABA | Alibaba Group Holding-sp Adr | Stock-Consumer Disc | 2.87% | — | -4.30% | |
| 15 | PDD | Pdd Holdings Inc | Stock-Consumer Disc | 2.71% | — | -31.95% | |
| 16 | BTI | British American Tob-sp Adr | Stock-Consumer Staples | 2.45% | -0.40% | -13.12% | |
| 17 | AAP | Advance Auto Parts Inc | Stock-Consumer Disc | 2.31% | +0.72% | +508.17% | |
| 18 | BKD | Brookdale Senior Living Inc | Stock-Other | 2.11% | -0.83% | -4.30% | |
| 19 | RKT | Rocket Cos Inc-class A | Stock-Financials | 2.03% | +0.26% | +13.92% | |
| 20 | SDA | Sealed Air CORP | Stock-Consumer Disc | 1.94% | — | -17.04% | |
| 21 | GT | Goodyear Tire & Rubber Co | Stock-Consumer Disc | 1.91% | -1.25% | EXIT | |
| 22 | CNC | Centene CORP | Stock-Healthcare | 1.88% | +1.04% | — | |
| 23 | LVS | Las Vegas Sands CORP | Stock-Consumer Disc | 1.71% | -0.56% | -19.98% | |
| 24 | TLN | Talen Energy CORP | Stock-Utilities | 1.65% | +0.60% | NEW | |
| 25 | MT | Arcelormittal-ny Registered | Stock-Other | 1.63% | +0.20% | — | |
| 26 | NGVT | Ingevity CORP | Stock-Other | 1.47% | -0.52% | +3.24% | |
| 27 | ASTL | Algoma Steel Group Inc | Stock-Other | 1.46% | -0.80% | +24.22% | |
| 28 | NUE | Nucor CORP | Stock-Materials | 1.21% | +2.04% | — | |
| 29 | PAGS | PagSeguro Digital Ltd. | Stock-Other | 1.11% | — | — | |
| 30 | WGO | Winnebago Industries | Stock-Other | 0.90% | -0.22% | +111.18% | |
| 31 | TPB | Turning Point Brands Inc | Stock-Other | 0.89% | -0.09% | -5.87% | |
| 32 | LPX | Louisiana-pacific CORP | Stock-Industrials | 0.85% | -0.28% | +67.49% | |
| 33 | UNH | Unitedhealth Group Inc | Stock-Healthcare | 0.81% | +3.65% | — | |
| 34 | THO | Thor Industries Inc | Stock-Consumer Disc | 0.75% | -0.52% | — | |
| 35 | JBS | Jbs N.v. | Stock-Other | 0.62% | — | -52.15% | |
| 36 | MOH | Molina Healthcare Inc | Stock-Healthcare | 0.62% | +0.35% | — | |
| 37 | WHR | Whirlpool CORP | Stock-Consumer Disc | 0.57% | -1.04% | EXIT | |
| 38 | UWMC | Uwm Holdings CORP | Stock-Other | 0.57% | — | — | |
| 39 | BHC | Bausch Health Cos Inc | Stock-Healthcare | 0.54% | — | -72.67% | |
| 40 | LKQ | Lkq CORP | Stock-Consumer Disc | 0.35% | -0.90% | +27.60% |
| # | Ticker | Issuer | Weight Change | Shares Change | Action |
|---|---|---|---|---|---|
| 1 | WDC | Western Digital CORP | +7.6% | -30.68% | Trim |
| 2 | EQX | Equinox Gold CORP | +5.6% | +16.33% | Add |
| 3 | STX | Seagate Technology Holdings plc | +5% | -34.58% | Add |
| 4 | RUN | Sunrun Inc | +4.2% | -8.52% | Add |
| 5 | SNDK | Sandisk CORP | +2.9% | +34.51% | Add |
| 6 | AAP | Advance Auto Parts Inc | +2% | +508.17% | Add |
| 7 | HUM | Humana Inc | +1.8% | +170.99% | Add |
| 8 | JD | Jd.com Inc-adr | +1.7% | +21.34% | Add |
| 9 | HCC | Warrior Met Coal Inc | +1.4% | +31.41% | Add |
| 10 | GT | Goodyear Tire & Rubber Co | +1.3% | +16.35% | Add |
| 11 | LVS | Las Vegas Sands CORP | +1.1% | -19.98% | Add |
| 12 | LYFT | Lyft Inc-a | +1% | -18.32% | Trim |
| 13 | INTC | Intel CORP | +0.9% | +79.22% | Trim |
| 14 | NGVT | Ingevity CORP | +0.7% | +3.24% | Add |
| 15 | WGO | Winnebago Industries | +0.7% | +111.18% | Add |
| 16 | TFII | Tfi International Inc | +0.6% | -4.30% | Trim |
| 17 | THO | Thor Industries Inc | +0.4% | — | Add |
| 18 | SDA | Sealed Air CORP | +0.4% | -17.04% | Trim |
| 19 | LPX | Louisiana-pacific CORP | +0.3% | +67.49% | Add |
| 20 | PDD | Pdd Holdings Inc | +0.2% | -31.95% | Trim |
| 21 | WHR | Whirlpool CORP | +0.2% | -65.45% | Add |
| 22 | ASTL | Algoma Steel Group Inc | +0.1% | +24.22% | Add |
| 23 | BABA | Alibaba Group Holding-sp Adr | -0.1% | -4.30% | Trim |
| 24 | LKQ | Lkq CORP | -0.1% | +27.60% | Add |
| 25 | BHC | Bausch Health Cos Inc | -1.1% | -72.67% | Trim |
| 26 | TLN | Talen Energy CORP | -1.2% | -62.71% | Trim |
| 27 | QQQ | Invesco Qqq Trust Series 1 | — | EXIT | Sold out |
| 28 | SPY | Ss Spdr S&p 500 ETF Trust-us | — | EXIT | Sold out |
| 29 | NVDA | Nvidia CORP | — | EXIT | Sold out |
| 30 | TSLA | Tesla Inc | — | EXIT | Sold out |
| 31 | LNG | Cheniere Energy Inc | — | EXIT | Sold out |
| 32 | TECK | Teck Resources Ltd-cls B | — | NEW | New buy |
| 33 | CLF | Cleveland-cliffs Inc | — | NEW | New buy |
| 34 | BTI | British American Tob-sp Adr | — | NEW | New buy |
| 35 | BIDU | Baidu Inc - Spon Adr | — | EXIT | Sold out |
| 36 | BKD | Brookdale Senior Living Inc | — | NEW | New buy |
| 37 | KD | Kyndryl Holdings Inc | — | EXIT | Sold out |
| 38 | RKT | Rocket Cos Inc-class A | — | NEW | New buy |
| 39 | CNC | Centene CORP | — | NEW | New buy |
| 40 | TMF | Dir Dly 20+yr Tr Bl3x Etf-ui | — | EXIT | Sold out |
| 41 | MT | Arcelormittal-ny Registered | — | NEW | New buy |
| 42 | KMX | Carmax Inc | — | EXIT | Sold out |
| 43 | W | Wayfair Inc- Class A | — | EXIT | Sold out |
| 44 | NUE | Nucor CORP | — | NEW | New buy |
| 45 | BLCO | Bausch + Lomb CORP | — | EXIT | Sold out |
| 46 | PAGS | PagSeguro Digital Ltd. | — | NEW | New buy |
| 47 | TDOC | Teladoc Health Inc | — | EXIT | Sold out |
| 48 | CAR | Avis Budget Group Inc | — | EXIT | Sold out |
| 49 | TPB | Turning Point Brands Inc | — | NEW | New buy |
| 50 | UNH | Unitedhealth Group Inc | — | NEW | New buy |
According to official SEC Form 13F filings, Maple Rock Capital Partners Inc. reported a total U.S. public equity portfolio value of $5.1B across 40 disclosed positions in Q3 2025.
Expert Analysis & Guides for Tracking Wall Street Smart Money Movements
Learn how SEC Form 13F filings work, the $100M threshold, 45-day reporting lag, and how to track top hedge fund holdings.
In terms of portfolio concentration, the top 5 core holdings (including WDC, EQX, STX) accounted for 17.7% of total reported equity market value during Q3 2025.
Top New Position Initiated
TECK
市值: $88.6M
Top Position Liquidated / Trimmed
QQQ
前期市值: $468.9M
During Q3 2025, Maple Rock Capital Partners Inc.'s top holdings by market value included WDC (12.3%)、EQX (7.4%)、STX (6.9%). The largest single position, WDC, represented 12.3% of total portfolio value.
In Q3 2025, Maple Rock Capital Partners Inc. made 54 total portfolio adjustments, initiating 14 new buys, adding to 17 positions, trimming 9 holdings, and fully liquidating 14 stocks.
All holding records on this page are fetched directly from the U.S. Securities and Exchange Commission (SEC) EDGAR system (Form 13F-HR). AlphaSMO parses CUSIP identifiers and formats data into Schema.org-compliant datasets.
Understand SEC Form 4 insider disclosures for corporate officers, directors, and 10% owners to track executive transactions.
Understand Rule 144 restricted stock sale notices to spot planned insider liquidations before market sell pressure arrives.
Explore the 5% beneficial ownership threshold, 13D vs 13G filing differences, and recent SEC accelerated deadline rules.
Best practices for analyzing 13F quarterly changes without getting misled by stock splits, options, or market valuation drift.
Learn how AlphaSMO's flagship signal detects high-conviction stocks where 13F hedge funds and corporate insiders buy at the same time.