AdvisorCensus / Financial advisors / Massachusetts / Boston / Loon Lake Capital Management LP
Loon Lake Capital Management LP is an SEC-registered investment advisory firm in Boston, MA, registered since 2026, reporting $100 million to $500 million in regulatory assets under management in its Form ADV filing dated April 30, 2026.
Quick answers
From the filingHow is Loon Lake Capital Management LP compensated?
On its Form ADV (Item 5.E, October 2026), Loon Lake Capital Management LP reports these compensation arrangements: a percentage of assets under its management; performance-based fees.
How much does Loon Lake Capital Management LP charge?
Its Form ADV Part 2A brochure dated April 30, 2026 states: Asset-based fee: up to 1.5% of assets a year (the maximum the brochure states). Fees can differ by service and may be negotiable; the brochure is the complete statement.
Where is Loon Lake Capital Management LP located?
Loon Lake Capital Management LP's principal office is in Boston, MA, according to its Form ADV.
Is Loon Lake Capital Management LP registered with the SEC or a state?
Loon Lake Capital Management LP is an SEC-registered investment advisory firm, registered since 2026. Status as filed: Approved. CRD 339830.
How much does Loon Lake Capital Management LP manage?
Loon Lake Capital Management LP reports $336,024,596 in regulatory assets under management in its Form ADV filing dated April 30, 2026 (100% discretionary).
What types of clients does Loon Lake Capital Management LP serve?
By number of clients on Form ADV Item 5.D: pooled investment vehicles (other than investment companies and business development companies) (3).
Does Loon Lake Capital Management LP report any disciplinary disclosures?
Reports no disclosure items on Form ADV Item 11. The detail of any item is on the firm's SEC record: https://adviserinfo.sec.gov/firm/summary/339830
Does Loon Lake Capital Management LP state an account minimum?
Its Form ADV Part 2A brochure dated April 30, 2026 says: "The Clients have a minimum investment of $1,000,000."
What changed in Loon Lake Capital Management LP's recent Form ADV filings?
In the February 2026 filing data: Newly registered with the SEC.
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 2AAsset-based fee: up to 1.5% of assets a year (the maximum the brochure states)
The brochure's wording
Clients pay Loon Lake quarterly management fees no greater than 1.5% per annum of the balance in such Client’s account or the net asset value of each investor’s investment in a Client organized as a pooled investment vehicle.
Account minimum: $1,000,000
The brochure's wording
The Clients have a minimum investment of $1,000,000.
As stated in the firm's Form ADV Part 2A brochure dated April 30, 2026. Fees can differ by service and may be negotiable; the brochure is the complete statement. Read the brochure on the SEC's IAPD site
Regulatory assets under management
Item 5.F$336,024,596 as of October 2026, filing dated April 30, 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
- 2026 (0 years)
- Employees
- Total: 6. Performing investment advisory functions: 3.
- Wrap fee program participation
- No.
- States registered or notice-filed
-
1 state or jurisdiction
SEC-registered investment advisers are examined by the SEC. SEC, state, and exempt registration
Disclosures
Item 11None Reports no disclosure items on Form ADV Item 11. View on IAPD.
Item 11 asks about criminal, regulatory, and civil events involving the firm and its advisory personnel. The detail of each yes answer is on the IAPD record. Reading a firm's disclosures
Changes in the filing
Last 12 months- February 2026
- Newly registered with the SEC.
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. Loon Lake Capital Management LP (CRD 339830): Form ADV filing data as of October 2026. https://advisorcensus.com/firm/loon-lake-capital-management-lp-boston-ma-339830