# Summit Partners, L.P.

> Summit Partners, L.P. is an SEC-registered investment advisory firm in Boston, MA, registered since 2005, reporting over $5 billion in regulatory assets under management in its Form ADV filing dated August 20, 2026.

- CRD: 135271
- Filed as: SUMMIT PARTNERS, L.P.
- Registration: SEC-registered investment adviser (status as filed: Approved)
- Location: Boston, MA
- Filing period: October 2026
- Form ADV filing dated: August 20, 2026
- SEC record (IAPD): https://adviserinfo.sec.gov/firm/summary/135271
- AdvisorCensus page: https://advisorcensus.com/firm/summit-partners-l-p-boston-ma-135271

## Quick answers

**How is Summit Partners, L.P. compensated?**
On its Form ADV (Item 5.E, October 2026), Summit Partners, L.P. reports these compensation arrangements: a percentage of assets under its management; performance-based fees.

**Where is Summit Partners, L.P. located?**
Summit Partners, L.P.'s principal office is in Boston, MA, according to its Form ADV; the September 2026 filing also lists 3 other offices (Schedule D, Section 1.F).

**Is Summit Partners, L.P. registered with the SEC or a state?**
Summit Partners, L.P. is an SEC-registered investment advisory firm, registered since 2005. Status as filed: Approved. CRD 135271.

**How much does Summit Partners, L.P. manage?**
Summit Partners, L.P. reports $42,008,600,050 in regulatory assets under management in its Form ADV filing dated August 20, 2026 (100% discretionary).

**How have Summit Partners, L.P.'s assets and staff changed since 2021?**
In the Form ADV data for Summit Partners, L.P.: Regulatory assets under management: $25,563,771,594 in the October 2021 data and $42,008,600,050 in the October 2026 data, up 64%. Total employees: 184 in October 2021 and 218 in October 2026. Assets under management move with markets as well as with clients coming and going.

**What types of clients does Summit Partners, L.P. serve?**
By number of clients on Form ADV Item 5.D: pooled investment vehicles (other than investment companies and business development companies) (87).

**Does Summit Partners, 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/135271

**What changed in Summit Partners, L.P.'s recent Form ADV filings?**
In the April 2026 filing data: Employees performing advisory functions went from 113 to 118. No longer lists an office in Strassen.

## 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: $42,008,600,050
- Discretionary: $42,008,600,050
- Non-discretionary: $0

### Clients (Item 5.D)

| Client type | Clients | Assets |
| --- | --- | --- |
| Pooled investment vehicles (other than investment companies and business development companies) | 87 | $42,008,600,050 |

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

### Firm details
- Registered since: 2005 (21 years)
- Employees: 218 total, 118 performing advisory functions
- Wrap fee program participation: No
- States registered or notice-filed: CA, MA, NY
- 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
- London
- Menlo Park, CA
- New York, NY

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

## Assets and staff over time

| Data period | Regulatory assets under management | Employees | Filing dated |
| --- | --- | --- | --- |
| October 2021 | $25,563,771,594 | 184 | September 17, 2021 |
| October 2022 | $35,184,178,740 | 191 | August 5, 2022 |
| October 2023 | $31,803,735,320 | 179 | March 28, 2023 |
| October 2024 | $34,741,173,981 | 205 | September 30, 2024 |
| October 2025 | $43,634,617,453 | 211 | April 11, 2025 |
| October 2026 | $42,008,600,050 | 218 | August 20, 2026 |

Regulatory assets under management: $25,563,771,594 in the October 2021 data and $42,008,600,050 in the October 2026 data, up 64%.
Total employees: 184 in October 2021 and 218 in October 2026.

## Changes in the filing (last 12 months)

### April 2026
- Employees performing advisory functions went from 113 to 118.
- No longer lists an office in Strassen.

## Source

Form ADV as filed, October 2026. Values appear as filed. Cite as: AdvisorCensus. Summit Partners, L.P. (CRD 135271): Form ADV filing data as of October 2026.