Maple Rock Capital Partners Inc.
CIK 0001658363 · TORONTO, A6 · Quarter end: 2026-06-30 · Filed on: 2026-08-14 · Open the SEC source ↗
Portfolio Value (AUM)Total value of the fund's US stock portfolio reported to the SEC.
$5.10B
2026 Q2
Positions
51
Top-10 ConcentrationHow much of the portfolio sits in the 10 largest holdings. High = concentrated bets.
53.0%
Est. Net Flow (Q)
—
2026 Q2
Top Holdings
WDC
WESTERN DIGITAL CORP
17.0%
STX
SEAGATE TECHNOLOGY HLDNGS PL
5.7%
UNH
UNITEDHEALTH GROUP INC
5.6%
HUM
HUMANA INC
4.9%
ICLR
ICON PUB LTD CO
4.1%
TFII
TFI INTERNATIONAL INC
4.0%
EQX
EQUINOX GOLD CORP
3.3%
AAP
ADVANCE AUTO PARTS INC
3.0%
New / Increased
No prior quarter data
Reduced / Exited
No prior quarter data
Read the 2026-Q2 quarterly report · 13F Filing Calendar
13F data shows quarter-end positions, is delayed by up to 45 days and covers only long positions in US-listed securities; short positions, most derivatives and non-US assets are not reported.