# Route One Investment Company, L.P.

> Route One Investment Company, L.P. is an SEC-registered investment advisory firm in San Francisco, CA, registered since 2011, reporting $1 billion to $5 billion in regulatory assets under management in its Form ADV filing dated March 25, 2026.

- CRD: 156398
- Filed as: ROUTE ONE INVESTMENT COMPANY, L.P.
- Registration: SEC-registered investment adviser (status as filed: Approved)
- Location: San Francisco, CA
- Filing period: October 2026
- Form ADV filing dated: March 25, 2026
- SEC record (IAPD): https://adviserinfo.sec.gov/firm/summary/156398
- AdvisorCensus page: https://advisorcensus.com/firm/route-one-investment-company-l-p-san-francisco-ca-156398

## Quick answers

**How is Route One Investment Company, L.P. compensated?**
On its Form ADV (Item 5.E, October 2026), Route One Investment Company, L.P. reports these compensation arrangements: a percentage of assets under its management; performance-based fees; other. The amounts are in Item 5 of its Form ADV Part 2A brochure.

**Where is Route One Investment Company, L.P. located?**
Route One Investment Company, L.P.'s principal office is in San Francisco, CA, according to its Form ADV.

**Is Route One Investment Company, L.P. registered with the SEC or a state?**
Route One Investment Company, L.P. is an SEC-registered investment advisory firm, registered since 2011. Status as filed: Approved. CRD 156398.

**How much does Route One Investment Company, L.P. manage?**
Route One Investment Company, L.P. reports $4,681,719,383 in regulatory assets under management in its Form ADV filing dated March 25, 2026 (100% discretionary).

**How have Route One Investment Company, L.P.'s assets and staff changed since 2021?**
In the Form ADV data for Route One Investment Company, L.P.: Regulatory assets under management: $6,986,014,950 in the October 2021 data and $4,681,719,383 in the October 2026 data, down 33%. Total employees: 20 in October 2021 and 20 in October 2026. Assets under management move with markets as well as with clients coming and going.

**What types of clients does Route One Investment Company, L.P. serve?**
By number of clients on Form ADV Item 5.D: pooled investment vehicles (other than investment companies and business development companies) (4).

**Does Route One Investment Company, L.P. 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/156398

**What changed in Route One Investment Company, L.P.'s recent Form ADV filings?**
In the April 2026 filing data: No longer lists the business name Route One Investment Company, LLC.

## From the Form ADV filing

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

### Regulatory assets under management (Item 5.F)
- Total: $4,681,719,383
- Discretionary: $4,681,719,383
- Non-discretionary: $0

### Clients (Item 5.D)

| Client type | Clients | Assets |
| --- | --- | --- |
| Pooled investment vehicles (other than investment companies and business development companies) | 4 | $4,681,719,383 |

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

### Firm details
- Registered since: 2011 (15 years)
- Employees: 20 total, 8 performing advisory functions
- Wrap fee program participation: No
- Disclosures (Item 11): Reports no disclosure items on Form ADV Item 11.

## Assets and staff over time

| Data period | Regulatory assets under management | Employees | Filing dated |
| --- | --- | --- | --- |
| October 2021 | $6,986,014,950 | 20 | March 17, 2021 |
| October 2022 | $6,915,307,821 | 20 | July 28, 2022 |
| October 2023 | $5,254,592,770 | 20 | March 24, 2023 |
| October 2024 | $5,366,660,545 | 20 | March 26, 2024 |
| October 2025 | $4,985,995,353 | 20 | March 24, 2025 |
| October 2026 | $4,681,719,383 | 20 | March 25, 2026 |

Regulatory assets under management: $6,986,014,950 in the October 2021 data and $4,681,719,383 in the October 2026 data, down 33%.
Total employees: 20 in October 2021 and 20 in October 2026.

## Changes in the filing (last 12 months)

### April 2026
- No longer lists the business name Route One Investment Company, LLC.

### February 2026
- Updated its list of owners and control persons (Schedule A).

## Source

Form ADV as filed, October 2026. Values appear as filed. Cite as: AdvisorCensus. Route One Investment Company, L.P. (CRD 156398): Form ADV filing data as of October 2026.