AdvisorCensus by AdvisorSEO Max

AdvisorCensus / Financial advisors / Massachusetts / Boston / Monashee Investment Management, LLC

Monashee Investment Management, LLC

Boston, MASEC-registered investment adviserCRD 163148

Filed as MONASHEE INVESTMENT MANAGEMENT, LLC

Monashee Investment Management, LLC is an SEC-registered investment advisory firm in Boston, MA, registered since 2014, reporting $1 billion to $5 billion in regulatory assets under management in its Form ADV filing dated February 27, 2026.

12 years
registered since 2014
$1,856,181,965
assets under management
2 arrangements
Percentage of assets, Performance-based
None
disclosure items (Item 11)

Quick answers

From the filing

How is Monashee Investment Management, LLC compensated?

On its Form ADV (Item 5.E, October 2026), Monashee Investment Management, LLC reports these compensation arrangements: a percentage of assets under its management; performance-based fees.

Where is Monashee Investment Management, LLC located?

Monashee Investment Management, LLC's principal office is in Boston, MA, according to its Form ADV; the March 2026 filing also lists 2 other offices (Schedule D, Section 1.F).

Is Monashee Investment Management, LLC registered with the SEC or a state?

Monashee Investment Management, LLC is an SEC-registered investment advisory firm, registered since 2014. Status as filed: Approved. CRD 163148.

How much does Monashee Investment Management, LLC manage?

Monashee Investment Management, LLC reports $1,856,181,965 in regulatory assets under management in its Form ADV filing dated February 27, 2026 (100% discretionary).

How have Monashee Investment Management, LLC's assets and staff changed since 2021?

In the Form ADV data for Monashee Investment Management, LLC: Regulatory assets under management: $2,140,738,181 in the October 2021 data and $1,856,181,965 in the October 2026 data, down 13%. Total employees: 17 in October 2021 and 13 in October 2026. Assets under management move with markets as well as with clients coming and going.

What types of clients does Monashee Investment Management, LLC serve?

By number of clients on Form ADV Item 5.D: pooled investment vehicles (other than investment companies and business development companies) (5).

Which custodians does Monashee Investment Management, LLC use?

Monashee Investment Management, LLC's most recent Form ADV filing (Schedule D, Section 5.K(3)) lists Goldman Sachs & Co. LLC, J.P. Morgan Securities LLC and Morgan Stanley & Co. LLC as custodians holding 10% or more of its separately managed account assets.

Does Monashee Investment Management, LLC 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/163148

What changed in Monashee Investment Management, LLC's recent Form ADV filings?

In the March 2026 filing data: Employees performing advisory functions went from 9 to 8.

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 2A

See the firm's brochure (dated February 27, 2026) for its fees and any account minimum, on the SEC's IAPD site.

Regulatory assets under management

Item 5.F
$1,856,181,965

$1,856,181,965 as of October 2026, filing dated February 27, 2026.

Discretionary: $1,856,181,965.Non-discretionary: $0.

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.D
Pooled investment vehicles (other than investment companies and business development companies)
Clients 5 Assets $689,181,421 (37%)
Pension and profit sharing plans (but not the plan participants or government pension plans)
Clients Fewer than 5 Assets $647,224,129 (35%)
Charitable organizations
Clients Fewer than 5 Assets $439,776,415 (24%)
Corporations or other businesses not listed above
Clients Fewer than 5 Assets $80,000,000 (4%)

A 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)
  • Portfolio management for businesses (other than small businesses) or institutional clients

Registration and firm details

Items 1, 2, 5
Registration
SEC-registered investment adviser. Status as filed: Approved.
Registered since
2014 (12 years)
Employees
Total: 13. Performing investment advisory functions: 8.
Wrap fee program participation
No.
Custodians (Schedule D, Section 5.K(3))

Custodians holding 10% or more of the firm's separately managed account assets, as filed on Form ADV (Schedule D, Section 5.K(3)). A custodian holds client assets; it does not endorse or supervise the firm. AdvisorCensus has no relationship with any custodian.

Other offices (Schedule D, Section 1.F)
2 other offices, as of the March 2026 filing
LondonNew York, NY
States registered or notice-filed
1 state or jurisdiction
MA

SEC-registered investment advisers are examined by the SEC. SEC, state, and exempt registration

Disclosures

Item 11

None 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

Assets and staff over time

Items 5.A, 5.F
$2.14B 2021 $2.69B 2022 $2.02B 2023 $2.25B 2024 $1.92B 2025 $1.86B 2026
Data periodAssets under managementEmployeesFiling dated
October 2026$1,856,181,96513February 27, 2026
October 2025$1,923,109,29215May 2, 2025
October 2024$2,251,182,32517February 28, 2024
October 2023$2,023,700,30117February 28, 2023
October 2022$2,693,563,37021June 6, 2022
October 2021$2,140,738,18117February 26, 2021

Regulatory assets under management: $2,140,738,181 in the October 2021 data and $1,856,181,965 in the October 2026 data, down 13%.

Total employees: 17 in October 2021 and 13 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
  1. March 2026
    • Employees performing advisory functions went from 9 to 8.

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.I
monasheecap.com

Source: 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. Monashee Investment Management, LLC (CRD 163148): Form ADV filing data as of October 2026.
https://advisorcensus.com/firm/monashee-investment-management-llc-boston-ma-163148