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Stephen D. Lane

Maple Rock Capital Partners Inc.

Assets Managed
$3.073B
Holdings
44
Last Quarter
2026 - Q1
Filed Date
27d ago
Growth Rate
1.54%(2Q avg: 10.5%)
Sustained Growth
3 quarters

Portfolio positions

This chart displays the top 10 holdings in Maple Rock Capital Partners Inc.'s 2026 - Q1 portfolio, based on their 13F SEC filing, out of a total of 44 positions.

Assets under management

The assets under management (AUM) of Maple Rock Capital Partners Inc. over the past 10 years (40 quarters) show continuous growth in total asset value over the last 3 quarters. As of the latest 13F SEC filing for 2026 - Q1, they manage 3.073B in assets, with a quarterly growth rate of 1.54% and a 2-quarter average growth rate of 10.5%. The portfolio is managed by Stephen D. Lane, and others.

Portfolio holdings

InvestmentPortfolio %Reported Value
WDC
Western Digital Corp
Recent Activity
Decreased -41.19%
12.33%
$378.803M
1.4M shares@ $270.5 avg price
EQX
Equinox Gold Corp
Recent Activity
Decreased -4%
9.14%
$280.786M
19.425M shares@ $14.46 avg price
STX
Seagate Technology Holdings
Recent Activity
Decreased -19.8%
6.81%
$209.194M
533,985 shares@ $391.77 avg price
CLF
Cleveland-cliffs Inc
Recent Activity
Increased 67.87%
5.71%
$175.3M
20.746M shares@ $8.46 avg price
TFII
Tfi International Inc
Recent Activity
New Position
4.82%
$147.936M
1.362M shares@ $108.64 avg price
BKD
Brookdale Senior Living Inc
Recent Activity
Decreased -4%
3.64%
$111.59M
8.157M shares@ $13.69 avg price
SNDK
Sandisk Corp
Recent Activity
Decreased -65.9%
3.45%
$105.784M
166,500 shares@ $635.34 avg price
BTI
British American Tob-sp Adr
Recent Activity
Decreased -3.99%
3.03%
$92.915M
1.589M shares@ $58.47 avg price
JD
Jd.com Inc-adr
Recent Activity
Increased 57.61%
2.92%
$89.487M
3.026M shares@ $29.57 avg price
LPX
Louisiana-pacific Corp
Recent Activity
Increased 88.94%
2.64%
$80.939M
1.113M shares@ $72.75 avg price

1-10 of 44