# Longitude Capital Management Co., LLC

> Longitude Capital Management Co., LLC is an SEC-registered investment advisory firm in Menlo Park, CA, registered since 2014, reporting $1 billion to $5 billion in regulatory assets under management in its Form ADV filing dated August 21, 2026.

- CRD: 161916
- Filed as: LONGITUDE CAPITAL MANAGEMENT CO., LLC
- Registration: SEC-registered investment adviser (status as filed: Approved)
- Location: Menlo Park, CA
- Filing period: October 2026
- Form ADV filing dated: August 21, 2026
- SEC record (IAPD): https://adviserinfo.sec.gov/firm/summary/161916
- AdvisorCensus page: https://advisorcensus.com/firm/longitude-capital-management-co-llc-menlo-park-ca-161916

## Quick answers

**How is Longitude Capital Management Co., LLC compensated?**
On its Form ADV (Item 5.E, October 2026), Longitude Capital Management Co., LLC reports these compensation arrangements: a percentage of assets under its management; performance-based fees. The amounts are in Item 5 of its Form ADV Part 2A brochure.

**Where is Longitude Capital Management Co., LLC located?**
Longitude Capital Management Co., LLC's principal office is in Menlo Park, CA, according to its Form ADV; the September 2026 filing also lists 2 other offices (Schedule D, Section 1.F).

**Is Longitude Capital Management Co., LLC registered with the SEC or a state?**
Longitude Capital Management Co., LLC is an SEC-registered investment advisory firm, registered since 2014. Status as filed: Approved. CRD 161916.

**How much does Longitude Capital Management Co., LLC manage?**
Longitude Capital Management Co., LLC reports $2,440,493,000 in regulatory assets under management in its Form ADV filing dated August 21, 2026 (100% discretionary).

**How have Longitude Capital Management Co., LLC's assets and staff changed since 2021?**
In the Form ADV data for Longitude Capital Management Co., LLC: Regulatory assets under management: $1,737,853,000 in the October 2021 data and $2,440,493,000 in the October 2026 data, up 40%. Total employees: 25 in October 2021 and 27 in October 2026. Assets under management move with markets as well as with clients coming and going.

**What types of clients does Longitude Capital Management Co., LLC serve?**
By number of clients on Form ADV Item 5.D: pooled investment vehicles (other than investment companies and business development companies) (6).

**Does Longitude Capital Management Co., 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/161916

**What changed in Longitude Capital Management Co., LLC's recent Form ADV filings?**
In the April 2026 filing data: Regulatory assets under management went from $2,080,004,000 to $2,437,766,000 (+17%).

## From the Form ADV filing

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

### Regulatory assets under management (Item 5.F)
- Total: $2,440,493,000
- Discretionary: $2,440,493,000
- Non-discretionary: $0

### Clients (Item 5.D)

| Client type | Clients | Assets |
| --- | --- | --- |
| Individuals (other than high net worth individuals) | 0 | Not reported |
| High net worth individuals | 0 | Not reported |
| Banking or thrift institutions | 0 | Not reported |
| Investment companies | 0 | Not reported |
| Business development companies | 0 | Not reported |
| Pooled investment vehicles (other than investment companies and business development companies) | 6 | $2,440,493,000 |
| Pension and profit sharing plans (but not the plan participants or government pension plans) | 0 | Not reported |
| Charitable organizations | 0 | Not reported |
| State or municipal government entities (including government pension plans) | 0 | Not reported |
| Other investment advisers | 0 | Not reported |
| Insurance companies | 0 | Not reported |
| Sovereign wealth funds and foreign official institutions | 0 | Not reported |
| Corporations or other businesses not listed above | 0 | Not reported |
| Other | 0 | Not reported |

### Advisory services (Item 5.G)
- Portfolio management for pooled investment vehicles (other than investment companies)

### Firm details
- Registered since: 2014 (11 years)
- Employees: 27 total, 17 performing advisory functions
- Wrap fee program participation: No
- States registered or notice-filed: CA, ID, MA
- Disclosures (Item 11): Reports no disclosure items on Form ADV Item 11.

### Other offices (Schedule D, Section 1.F), as of the September 2026 filing
- Boston, MA
- Ketchum, ID

### Websites listed on Form ADV (Item 1.I)
- longitudecapital.com
- LinkedIn @longitude-capital

## Assets and staff over time

| Data period | Regulatory assets under management | Employees | Filing dated |
| --- | --- | --- | --- |
| October 2021 | $1,737,853,000 | 25 | September 22, 2021 |
| October 2022 | $1,786,250,000 | 24 | March 30, 2022 |
| October 2023 | $1,620,744,000 | 29 | March 30, 2023 |
| October 2024 | $1,671,277,000 | 29 | March 29, 2024 |
| October 2025 | $2,080,004,000 | 27 | March 27, 2025 |
| October 2026 | $2,440,493,000 | 27 | August 21, 2026 |

Regulatory assets under management: $1,737,853,000 in the October 2021 data and $2,440,493,000 in the October 2026 data, up 40%.
Total employees: 25 in October 2021 and 27 in October 2026.

## Changes in the filing (last 12 months)

### April 2026
- Regulatory assets under management went from $2,080,004,000 to $2,437,766,000 (+17%).

### January 2026
- No longer registered or notice-filed in CT.

## Source

Form ADV as filed, October 2026. Values appear as filed. Cite as: AdvisorCensus. Longitude Capital Management Co., LLC (CRD 161916): Form ADV filing data as of October 2026.