AdvisorCensus / Financial advisors / Maple Rock Capital Partners Inc.
Maple Rock Capital Partners Inc. is an SEC-registered investment advisory firm in Toronto, Canada, registered since 2015, reporting over $5 billion in regulatory assets under management in its Form ADV filing dated March 31, 2026.
Quick answers
From the filingHow is Maple Rock Capital Partners Inc. compensated?
On its Form ADV (Item 5.E, October 2026), Maple Rock Capital Partners Inc. reports these compensation arrangements: a percentage of assets under its management; performance-based fees.
Where is Maple Rock Capital Partners Inc. located?
Maple Rock Capital Partners Inc.'s principal office is in Toronto, Canada, according to its Form ADV; the April 2026 filing also lists 1 other office (Schedule D, Section 1.F).
Is Maple Rock Capital Partners Inc. registered with the SEC or a state?
Maple Rock Capital Partners Inc. is an SEC-registered investment advisory firm, registered since 2015. Status as filed: Approved. CRD 173887.
How much does Maple Rock Capital Partners Inc. manage?
Maple Rock Capital Partners Inc. reports $6,340,993,380 in regulatory assets under management in its Form ADV filing dated March 31, 2026 (100% discretionary).
How have Maple Rock Capital Partners Inc.'s assets and staff changed since 2021?
In the Form ADV data for Maple Rock Capital Partners Inc.: Regulatory assets under management: $1,401,492,171 in the October 2021 data and $6,340,993,380 in the October 2026 data, up 352%. Total employees: 11 in October 2021 and 16 in October 2026. Assets under management move with markets as well as with clients coming and going.
What types of clients does Maple Rock Capital Partners Inc. serve?
By number of clients on Form ADV Item 5.D: pooled investment vehicles (other than investment companies and business development companies) (3).
Does Maple Rock Capital Partners Inc. report any disciplinary disclosures?
Reports 2 disclosure items on Form ADV Item 11: yes answers to 11.D(2) (another regulator's finding of a violation) and 11.D(4) (another regulator's order in the past ten years). Each question covers the firm and its advisory affiliates, and one event can produce several yes answers. The detail of any item is on the firm's SEC record: https://adviserinfo.sec.gov/firm/summary/173887
What changed in Maple Rock Capital Partners Inc.'s recent Form ADV filings?
In the April 2026 filing data: Regulatory assets under management went from $3,491,460,203 to $6,340,993,380 (+82%).
From the Form ADV filing
Every figure below is as the firm filed it with regulators, as of October 2026.
How the firm is compensated
Item 5.E- A percentage of assets under your management
- Performance-based fees
Item 5.E lists how the firm is compensated for its advice; Items 5.B, 6.A, and 7.A show whether its people or related companies can also earn commissions. Percentage of assets, fixed, hourly, subscription, and performance-based fees come from clients (a performance-based fee depends on investment results); commissions come with a sale or a trade, often from the company behind the product. How fees, commissions, and other arrangements differ
Fees and minimums
Form ADV Part 2ASee the firm's brochure (dated March 31, 2026) for its fees and any account minimum, on the SEC's IAPD site.
Regulatory assets under management
Item 5.F$6,340,993,380 as of October 2026, filing dated March 31, 2026.
A measure of scale, not skill or returns. Discretionary means the firm decides trades; non-discretionary means clients approve each one. What assets under management means
Who the firm serves
Item 5.DA firm with no individual clients is an institutional manager even if it manages billions; the mix tells you whom the practice is built around.
Advisory services
Item 5.G- Portfolio management for pooled investment vehicles (other than investment companies)
Registration and firm details
Items 1, 2, 5- Registration
- SEC-registered investment adviser. Status as filed: Approved.
- Registered since
- 2015 (11 years)
- Employees
- Total: 16. Performing investment advisory functions: 10.
- Wrap fee program participation
- No.
- Other offices (Schedule D, Section 1.F)
-
1 other office, as of the April 2026 filing
- States registered or notice-filed
- Not reported.
SEC-registered investment advisers are examined by the SEC. SEC, state, and exempt registration
Disclosures
Item 112 Reports 2 disclosure items on Form ADV Item 11. View on IAPD.
Questions answered yes on this filing
Regulatory matters Items 11.C to 11.G
- 11.D(2) Has another federal regulator, a state regulator, or a foreign financial regulator ever found that the firm or an advisory affiliate was involved in a violation of investment-related regulations or statutes?
- 11.D(4) In the past ten years, has another federal regulator, a state regulator, or a foreign financial regulator entered an order against the firm or an advisory affiliate in connection with investment-related activity?
Each question covers the firm and its advisory affiliates: its current employees other than clerical staff, its officers, partners, and directors, and anyone who controls the firm or is controlled by it. One event can produce yes answers to several questions. SEC-registered advisers and exempt reporting advisers may leave out events more than ten years old, and may answer 11.A(2) and 11.B(2) for pending charges only. What happened, and who was involved, is on the Disclosure Reporting Pages of the IAPD record. Reading a firm's disclosures
Assets and staff over time
Items 5.A, 5.F| Data period | Assets under management | Employees | Filing dated |
|---|---|---|---|
| October 2026 | $6,340,993,380 | 16 | March 31, 2026 |
| October 2025 | $3,491,460,203 | 16 | March 5, 2025 |
| October 2024 | $2,428,438,320 | 15 | March 27, 2024 |
| October 2023 | $2,328,921,153 | 13 | March 29, 2023 |
| October 2022 | $1,963,490,830 | 11 | March 31, 2022 |
| October 2021 | $1,401,492,171 | 11 | June 24, 2021 |
Regulatory assets under management: $1,401,492,171 in the October 2021 data and $6,340,993,380 in the October 2026 data, up 352%.
Total employees: 11 in October 2021 and 16 in October 2026.
As filed in each year's data for the same month. Assets under management move with markets as well as with clients coming and going; they measure scale, not skill or returns. Most firms update these figures once a year.
Changes in the filing
Last 12 months- April 2026
- Regulatory assets under management went from $3,491,460,203 to $6,340,993,380 (+82%).
Compared month to month from the SEC's monthly adviser data and the state compilation feed. Owners and control persons are summarized, never named.
Websites listed on Form ADV
Item 1.ISource: Form ADV, as of October 2026. Values appear as filed; a value the firm did not report is shown as "Not reported."
Cite this page
AdvisorCensus. Maple Rock Capital Partners Inc. (CRD 173887): Form ADV filing data as of October 2026. https://advisorcensus.com/firm/maple-rock-capital-partners-inc-toronto-173887