# 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.

- CRD: 163148
- Filed as: MONASHEE INVESTMENT MANAGEMENT, LLC
- Registration: SEC-registered investment adviser (status as filed: Approved)
- Location: Boston, MA
- Filing period: October 2026
- Form ADV filing dated: February 27, 2026
- SEC record (IAPD): https://adviserinfo.sec.gov/firm/summary/163148
- AdvisorCensus page: https://advisorcensus.com/firm/monashee-investment-management-llc-boston-ma-163148

## Quick answers

**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

### Compensation (Item 5.E)
- A percentage of assets under your management
- Performance-based fees

### Custodians (Schedule D, Section 5.K(3))
- Goldman Sachs & Co. LLC
- J.P. Morgan Securities LLC
- Morgan Stanley & Co. LLC

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.

### Regulatory assets under management (Item 5.F)
- Total: $1,856,181,965
- Discretionary: $1,856,181,965
- Non-discretionary: $0

### Clients (Item 5.D)

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

### 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

### Firm details
- Registered since: 2014 (12 years)
- Employees: 13 total, 8 performing advisory functions
- Wrap fee program participation: No
- States registered or notice-filed: MA
- Disclosures (Item 11): Reports no disclosure items on Form ADV Item 11.

### Other offices (Schedule D, Section 1.F), as of the March 2026 filing
- London
- New York, NY

### Websites listed on Form ADV (Item 1.I)
- monasheecap.com

## Assets and staff over time

| Data period | Regulatory assets under management | Employees | Filing dated |
| --- | --- | --- | --- |
| October 2021 | $2,140,738,181 | 17 | February 26, 2021 |
| October 2022 | $2,693,563,370 | 21 | June 6, 2022 |
| October 2023 | $2,023,700,301 | 17 | February 28, 2023 |
| October 2024 | $2,251,182,325 | 17 | February 28, 2024 |
| October 2025 | $1,923,109,292 | 15 | May 2, 2025 |
| October 2026 | $1,856,181,965 | 13 | February 27, 2026 |

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.

## Changes in the filing (last 12 months)

### March 2026
- Employees performing advisory functions went from 9 to 8.

## Source

Form ADV as filed, October 2026. Values appear as filed. Cite as: AdvisorCensus. Monashee Investment Management, LLC (CRD 163148): Form ADV filing data as of October 2026.